Outdoor Kitchens

An outdoor kitchen is a permanent, weather-exposed building project — a foundation, a non-combustible frame, and code-governed gas, electrical, and water runs — that happens to hold a grill, not a patio accessory you assemble. Two facts decide whether it survives a decade outdoors and almost nothing else does: whether it sits on a footing that will not heave, and whether the utilities were permitted, sized, and clearance-checked to code. Build the frame from a non-combustible, weatherproof system on a real foundation and pull permits for the gas, power, and water, and the kitchen lasts; skip either and you get a cracked island, a failed inspection, or a combustion-clearance hazard inside one season. Get a free consultation and a written, itemized scope from a vetted builder before a single block is laid — that document is where a lasting outdoor kitchen is decided.

An Outdoor Kitchen Is a Foundation Job First, a Grill Job Second

The grill and door panels everyone shops for matter least to how long the kitchen lasts. What separates an island still square in ten years from one that cracks in two is the footing and the frame system underneath the stone everyone sees.

The Foundation Decides Whether the Island Stays Square

The ground under the island dictates what is possible; the countertop and appliances only decide what it looks like inside that constraint, so a credible builder assesses the base before quoting:

• A masonry island poured on bare topsoil or an old patio settles unevenly, and the countertop cracks along the movement.
• A frame set above the frost line on a footing that heaves in winter lifts a corner and racks the doors out of square.
• A heavy stone counter on an under-built cabinet base sags at the span, opening a seam the weather then drives into.

None of those are appliance defects — they are foundation and structure failures, the most common reason a new outdoor kitchen disappoints. The same base discipline runs through every outdoor surface.

The Order of Operations Never Changes Across Materials

Foundation, then frame, then finish. That sequence holds whether the island is built from block and stucco, a steel stud system clad in stone veneer, or a modular kit. The base work is always the same: build a footing the local frost depth and soil can carry, set a non-combustible weatherproof frame that will not rot or rust, rough in permitted gas, electrical, and water before anything is clad, confirm every appliance clearance against its listing, then finish with a counter rated for sun and weather. The material choice happens inside those facts, not before them.

The Outdoor-Kitchen Readiness Gate: Six Checks Before Anything Is Clad

Before an island is finished, a competent builder runs every project through the same six-check gate. Each check has a code reference or a manufacturer spec, each is a documented cause of failure or a failed inspection when skipped, and a build that fails any one is not ready. Call it the Outdoor-Kitchen Readiness Gate: pass all six and the kitchen has a foundation to last; fail one and you are buying a future tear-out.

1. Foundation and frost depth

The island sits on an engineered base — a poured slab, footings, or a compacted-aggregate pad — sized to the soil and carried below the local frost line where the ground freezes, so seasonal heave cannot lift a corner. A masonry island on bare ground or an aging patio is the single most common source of the cracked countertop and racked doors that show up the first winter.

2. Non-combustible, weatherproof frame

The structure is built from a system rated for permanent outdoor use and for the heat of a built-in grill — galvanized or stainless steel studs, masonry block, or a listed modular frame — never wood framing or interior drywall. Untreated wood rots and feeds combustion-clearance problems; sheathing must be the exterior-rated cement-board type. The frame is what every other check is fastened to.

3. Permitted, sized gas line

A built-in gas grill or burner is fed by a line sized to its total BTU/hr demand and run by a licensed contractor under permit — natural gas off the home's meter or a properly located propane supply. An undersized or unpermitted line starves the appliance, fails inspection, and is a fuel hazard; sizing and material follow the fuel-gas code, not a guess.

4. Permitted electrical with GFCI

Outdoor receptacles and any 120/240-volt appliances are on circuits protected by a GFCI and run in weather-rated cable and conduit with in-use covers, per the electrical code. Refrigerators, lighting, and side burners each draw load that has to be planned into the circuit; ungrounded or unprotected outdoor power is both a code violation and a shock risk in a wet location.

5. Water supply, drainage, and freeze protection

An outdoor sink needs a supply line, a drain routed to an approved point, and — in any climate that freezes — a shutoff and drain-down or a frost-proof assembly so the lines do not split in winter. Skipping the freeze plan is how a first hard frost cracks the supply behind finished stone, turning a small omission into an opened wall.

6. Appliance clearances and ventilation

Every built-in appliance carries a listed clearance to combustibles, a required non-combustible surround, and — under any roof or overhead structure — a ventilation requirement, and the opening is framed to those numbers before cladding. A grill set too close to a wood pergola post or boxed in without venting is the clearance hazard an inspector catches and a fire marshal cares about; matching the build to each appliance's listing is what makes the other five checks count.

Three of these six — the footing, the permitted utilities, and the appliance clearances — are the corners cut on cheap quotes, because they cost engineering, licensed trades, and inspection a low bid skips, yet every one is verifiable on paper. That is why the gate is non-negotiable.

Outdoor Kitchen Specifications & Standards

The numbers that gate an outdoor kitchen are published, code-referenced, and specific to the appliances going in — from the controlling fuel and electrical codes, through the foundation depth, to the clearances every built-in shares.

Fuel and Gas-Line Sizing

Gas sizing is the spec that decides whether the grill performs and passes inspection, because a line too small for the connected load starves every burner downstream. How it is sized depends on the fuel and the total demand.

Built-In Grill and Burner Gas Demand

A built-in gas appliance draws a rated input in BTU/hr, and the supply line is sized to carry the sum of every appliance it feeds, governed by the fuel-gas code. The reading that matters is total connected load, not a single burner.

Natural Gas vs. Propane Supply

Natural gas is piped from the home's meter at low pressure and never runs out, but the run length and pipe diameter must carry the load without an unacceptable pressure drop — a longer run needs a larger pipe. Propane is stored in a tank that must sit a code-set distance from the structure and openings and is delivered through a regulator; the orifice and regulator are matched to the fuel, and a grill plumbed for one fuel will not run correctly on the other without conversion.

Why an Undersized Line Starves a Grill

When the connected load exceeds what the pipe can deliver, pressure sags at the appliance and the burners cannot reach temperature — the grill that "never gets hot enough" is usually a sizing failure, not a bad grill. The licensed installer calculates the demand and the run, sizes the pipe to the code's tables, and pressure-tests the line before it is buried — which is why this is permitted work, not a DIY hookup.

Foundation and Frost Depth

The base is the spec that decides whether the island stays square. A masonry island is heavy and unforgiving of movement, so it sits on a poured slab or footings sized to the soil and carried below the local frost line — the depth to which the ground freezes, which ranges from a few inches in warm regions to several feet in cold ones, set by local code. A frame-and-veneer island is lighter and more forgiving but still needs a stable, drained pad. Correcting a settled base after the stone is on means demolition, which is why the footing is engineered first, not poured to a habit.

Appliance Clearances and Ventilation

Even a perfect frame fails if the appliances are boxed wrong. Every built-in carries a listed clearance to combustibles, a required non-combustible surround, and — under a roof, pergola, or other overhead structure — a ventilation requirement so combustion products and heat do not collect. Brittle assumptions break here: a grill that clears in the open can be a hazard the moment a wood structure is added overhead. The opening is framed to the appliance's installation listing, not eyeballed.

Codes and Clearances, by System

The table below collects the recognized requirements a competent builder verifies. These are representative of what the codes govern — the local jurisdiction and each appliance's printed instructions always control, and where they are stricter, the stricter requirement wins.

The lesson is that an outdoor kitchen is a small building with three permitted trades inside it, not an appliance you set on a patio — the reason gas, electrical, and structural work are inspected. Skipping the permit does not just risk a fine; it removes the second set of eyes that catches the clearance or sizing error before it becomes a hazard. Size the project realistically with the cost guides first.

Outdoor Kitchen Frame Systems Compared

How the island is framed is as consequential as the appliances, because each system has a climate and a budget it suits and one it fails in. There are four mainstream approaches, and the right one is dictated by climate, weight, and finish — never by which is cheapest to assemble.

The Frame System Comparison Matrix

The matrix below is the decision the builder is making — durability, weight on the footing, finish options, and cost driver, side by side.

Masonry: Block and Brick Construction

A concrete-block (CMU) island is built like a short wall — courses laid on a footing, cored for utilities, and clad in stucco, tile, or stone veneer. It is the most durable and the heaviest, demanding a poured footing below the frost line, and it is unforgiving of a base that moves. Too small a footing, or one above the frost line in a cold climate, and the heave that lifts a corner cracks the masonry and the counter together.

Steel Framing: Studs and Cement Board

A galvanized or stainless steel stud frame sheathed in exterior-rated cement board is lighter, faster, and easy to shape around appliance cutouts, then finished in veneer, tile, or stucco. It depends entirely on corrosion-resistant metal and proper weatherproofing — ordinary interior studs or non-exterior board rust and fail outdoors. Done in the right metal with the cladding sealed, it lasts as long as the masonry it imitates.

Modular and Pre-Fab Systems

Modular metal kits and pre-fabricated islands trade some customization for speed: the structure arrives engineered, and the work becomes setting it level on a prepared pad and connecting the permitted utilities. They are the easiest to install but still depend on a stable base and on the same gas, electrical, and water permits as a built-from-scratch island — buying a kit does not remove the inspections, and setting one on unprepared ground re-introduces the settlement problem the kit was meant to avoid.

Which Outdoor Kitchen Build Is Right for Your Site?

The build is not a preference — it is the output of a short chain of facts about your climate, your site, your utilities, and your layout. Walk the decision in order; each branch eliminates the options the site cannot support, and what survives is the right call.

1. Start with climate and frost depth. Does the ground freeze where you live? A hard-freeze climate forces footings below the local frost line and freeze protection on every water line — which raises the floor on both foundation and plumbing before anything else is decided.
2. Confirm the utilities you can reach. Is natural gas available at the home, or will the island run on propane? Is there a path to bring electrical and water to the location? The answers set what appliances are realistic and route the permitted runs — and a sink or refrigerator no one can supply drops off the plan here.
3. Match the frame system to climate and weight. A freeze climate and a heavy stone finish point to masonry on a real footing or galvanized/stainless steel framing; a milder climate and a faster timeline open modular or pre-fab. The finish you want — full stone veneer versus a clad panel — pulls the frame with it.
4. Lay out appliances to their clearances. Place the grill, burners, refrigerator, and sink so each meets its listed clearance to combustibles and to each other, and so any overhead structure triggers the right ventilation. This is where a wood pergola post or a too-tight corner forces the layout to change — on paper, not after framing.
5. Confirm the foundation for the surviving build. Every option that remains still needs a base it can sit on without moving — a footing below frost for masonry, a stable drained pad for a lighter frame. If the ground cannot carry it as-is, the prep step is excavation and a poured base, regardless of which build you chose.

Run honestly, this tree almost always returns a single defensible build — and a contractor who proposes the same island for a Minnesota backyard and a Phoenix one is the red flag.

Why Outdoor Kitchens Crack, Rust, and Fail Inspection — and How the Build Stops It

The common outdoor-kitchen failures trace back to the base, the metal, the utilities, or the clearances, and all are preventable at build — each paired below with its mechanism, cause, and named prevention.

Cracking: A Foundation That Moved

A cracked island or split countertop happens when the base settles or heaves and the rigid masonry above has nowhere to flex, so it fractures along the movement. It is almost always foundation — an island built on bare soil, an old patio, or a footing set above the frost line. The prevention is upstream: engineer a footing to the soil, carry it below the local frost depth, and let the base, not the stone, absorb the ground.

Rust and Rot: The Wrong Frame Material

Rust streaks, a sagging cabinet, or a soft door frame are a materials failure — interior studs, untreated wood, or non-exterior board used where only galvanized steel, stainless, or masonry belong. Outdoors, ordinary metal corrodes and ordinary wood rots, and the finish lets go with the structure behind it. The prevention is specifying a non-combustible, corrosion-resistant frame and exterior-rated sheathing from the start, then sealing the cladding against water intrusion.

Freeze Splits: Water Lines With No Drain-Down

A supply line that splits behind finished stone is a freeze failure: water left in an outdoor line expands when it freezes and ruptures the pipe, then leaks the moment it thaws. It points back to a missing shutoff and drain-down or a non-frost-proof assembly in a climate that freezes — an omission hidden until the first hard winter opens the wall to find it.

Clearance Hazards and Failed Inspections: Boxing Appliances Wrong

The fourth failure — a grill too close to combustibles, a boxed-in appliance with no venting, or unprotected outdoor power — is a clearance and code problem, caught at the Readiness Gate. Framing each opening to the appliance's listed clearance, adding the required ventilation under any overhead structure, and running GFCI-protected weatherproof circuits removes it. If a kitchen has already failed inspection or shown damage, the path is diagnosis-first structural repair of what holds it, not a cosmetic patch over a base or clearance problem.

Common Outdoor Kitchen Mistakes, Consequences, and Prevention

Most outdoor-kitchen failures are the same handful of shortcuts, each with a predictable consequence and a known prevention. Naming them is how you spot a corner being cut before it is sealed behind stone.

Every row is a documented inspection-failure or hazard trigger — which is why "we pull the gas, electrical, and structural permits and build to each appliance's listing" is the most valuable sentence in a quote.

Choosing the Appliances and Counter for the Climate — and the Spec That Rates Them

The best outdoor kitchen is matched to its climate, its use, and the structure underneath, and every component has a published rating that predicts how it holds up outdoors — which is why buying on showroom looks alone lands an indoor-grade part in a weather-exposed island.

Durability Ratings by Component

Each component is graded on its own terms — the rating, not the finish, predicts how it survives sun and weather, so match the spec to the climate.

• Built-in grills and burners are rated by total BTU/hr input and by their construction grade — outdoor-rated stainless (commonly 304-series) resists corrosion far better than budget alloys. The grill's listed clearance to combustibles, not its size, drives the opening it needs.
• Refrigeration must be an outdoor-rated unit; an indoor mini-fridge installed outside fails because it is not built to cool against ambient heat or to survive the elements, and it draws a circuit that has to be planned in.
• Countertops for outdoor use want a UV-stable, freeze-tolerant surface — granite and porcelain hold up to sun and weather where many indoor materials fade, etch, or crack. Match the counter to your climate, not just the look.
• Doors, drawers, and access panels should be outdoor-rated stainless or a weatherproof system; ordinary cabinet hardware corrodes and seizes within seasons.
• Cladding and veneer must be a freeze-rated exterior product — a stucco or stone finish sealed against water, not an interior tile that spalls in a freeze-thaw cycle.

Matching the Spec to the Climate and Use

Climate context overrides preference. A freeze climate demands freeze-rated cladding, drain-down plumbing, and footings below frost; a coastal site needs higher-grade stainless against salt corrosion; a covered kitchen triggers ventilation its open cousin does not. Pick the spec for the climate first. To compare materials spec-for-spec, the material comparison tool lines them up, and the surface selector narrows the finish to your site.

What Actually Drives the Cost of an Outdoor Kitchen

An outdoor-kitchen quote is not a flat per-foot rate; the headline number a low bid leads with hides the items below, ranked by how much they move the total.

The Cost Drivers That Move the Total Most

1. Utility runs and permits. Bringing permitted gas, electrical, and water to the island — and how far they travel from the source — is the biggest variable on most jobs. Three licensed trades and their inspections are real cost a "grill on a slab" never carries.
2. Foundation and site prep. Excavation and a footing or slab below the frost line on poor soil is serious material and labor; a site that already drains and sits on stable ground avoids much of it.
3. Frame system and size. Masonry on a footing costs more in labor than a lighter steel-stud or modular frame, and every linear foot of counter and each appliance cutout adds structure.
4. Appliances. The grill, burners, refrigeration, and accessories set a wide baseline — outdoor-rated stainless and higher BTU/hr units cost more than budget equivalents, and each adds a utility connection.
5. Countertop material. A freeze- and UV-rated stone or porcelain counter, templated and set, is a real line item that scales with size and edge detail.
6. Cladding and finish. Full stone veneer is more labor and material than stucco or tile, and the finish wraps every face the eye reaches.
7. Overhead structure and venting. A roof, pergola, or vent hood adds both the structure and the ventilation its presence requires under the grill.
8. Freeze protection. Shutoffs, drain-downs, and frost-proof assemblies in a cold climate are cheap insurance but a real line the lowest bid tends to omit.

Because these drivers swing so widely, the only honest number comes from an on-site assessment. Compare what moves the price across outdoor projects in our cost guides — including the related deck cost guide — so you can read a quote critically.

The Outdoor Kitchen Build Process, Step by Step

A professional build runs the same disciplined sequence every time, and each step exists to prevent a specific failure. The six steps below are the full arc from on-site assessment to final inspection.

1. On-Site Assessment and Design

   The builder reads the site for soil, drainage, and the local frost line, confirms what gas, electrical, and water can reach the location, and lays out appliances to their listed clearances. Scope, frame system, and utility routing are decided here against the Readiness Gate — not from a catalog — before anything is ordered.

2. Permits and Foundation

   Permits are pulled for the gas, electrical, and any structural work, and the base goes in — excavation, then a footing or slab carried below the frost line on stable, drained soil. A base that will not heave or settle is poured before a single course or stud is set, because everything above it depends on it staying still.

3. Framing the Non-Combustible Structure

   The island is built from masonry block, galvanized or stainless steel studs, or a listed modular frame — never wood — with each appliance opening framed to its listed clearance. Exterior-rated cement board sheathes a steel frame; the structure is squared and weatherproofed before utilities are roughed in.

4. Roughing In Permitted Utilities

   Licensed trades run the gas line sized to total BTU/hr load, the GFCI-protected weatherproof electrical, and the water supply and drain — with a shutoff and drain-down where it freezes. The gas line is pressure-tested and the rough-in is inspected before anything is concealed, not after.

5. Cladding, Countertop, and Appliances

   The frame is finished in freeze-rated stucco, tile, or stone veneer, sealed against water; the UV- and freeze-stable countertop is templated and set; and the outdoor-rated appliances drop into their framed openings. Ventilation is added under any overhead structure as the appliances go in.

6. Final Inspection and Walkthrough

   The gas, electrical, and structural work passes its inspections, the site is cleaned, and the builder walks the kitchen with you to test every appliance, confirm clearances and venting, and explain freeze-season shutdown and care. The kitchen is handed over working and signed off, not just assembled.

Skip or rush any one of these six steps and the failure it was meant to prevent shows up later — which is why a vetted builder treats the sequence as fixed, not optional.

Outdoor Kitchen Glossary

The terms below recur in every quote, permit, and appliance manual — each defined as its working meaning on an actual outdoor-kitchen job, so you can read a scope and judge whether it is complete.

Frost line

The depth to which ground freezes in a given climate, set by local code. Footings carried below it cannot be lifted by the heave of freezing soil — the reason a masonry island does not crack the first winter.

Frost heave

The upward movement of soil as the water in it freezes and expands. It lifts a footing set too shallow, racking the island and cracking the counter; carrying the footing below the frost line defeats it.

Footing

The engineered base — a poured slab or pad — that spreads the island's weight onto stable soil and anchors it below frost. Distinct from the cladding and the frame it carries.

Non-combustible frame

An island structure of masonry or corrosion-resistant steel rather than wood, required so the heat of a built-in grill and the weather outdoors cannot start a fire or rot the structure.

BTU/hr

British thermal units per hour — the rated heat input of a gas appliance. The sum of every appliance's BTU/hr demand sizes the gas line under the fuel-gas code.

Connected load

The total gas demand of every appliance a single line feeds, added together. The line is sized to this number, not to one burner — which is why adding a side burner can outgrow an existing pipe.

GFCI

Ground-fault circuit interrupter — a device that cuts power instantly on a ground fault, required on outdoor receptacles because a wet location makes a shock far more dangerous.

Clearance to combustibles

The minimum distance an appliance's listing requires between it and anything that can burn — a wood post, a fence, siding. The opening is framed to this number, and it shrinks the layout where overhead wood is added.

Drain-down

Emptying an outdoor water line before winter through a shutoff and a low drain, so no water is left to freeze, expand, and split the pipe behind finished stone.

Frost-proof assembly

A hose bib or supply fitting designed to keep the shutoff point inside the heated envelope, so the exposed portion holds no standing water to freeze — an alternative to manual drain-down in some layouts.

Outdoor-rated

A component built and listed for exposure to weather, sun, and temperature swings — the distinction between an outdoor refrigerator that lasts and an indoor one that fails the first season outside.

Veneer

The thin stone, tile, or stucco finish applied over the structural frame. It carries the look but none of the load, and outdoors it must be a freeze-rated product sealed against water.

Standards, Permit Conditions, and When an Inspection Applies

An outdoor kitchen sits under building, fuel-gas, electrical, and plumbing codes at once, and most of what goes wrong is not the appliance — it is how the permitted work was done.

Permit Conditions That Hinge on the Build

The conditions are specific and inspected: a gas line sized to the connected load, permitted, and pressure-tested; outdoor circuits GFCI-protected and weather-rated; footings below the frost line; appliance clearances and ventilation to each listing. A builder who skips the permit or undersizes the line has built in a hazard the inspection exists to catch. Ask in writing that the gas, electrical, and structural work be permitted and inspected — that paper trail is what protects you, and one more reason the cheapest quote is rarely the cheapest kitchen.

The Codes and Bodies That Set the Bar

Several codes govern at once. The fuel-gas code (locally an IFGC family) governs gas-line sizing, material, and testing; the electrical code (NEC family) governs GFCI protection and wet-location wiring; NFPA 58 governs propane-tank siting; the local building code sets the frost depth and structural requirements; and each appliance's UL listing sets its clearances. A kitchen built to these passes inspection and stays safe.

When an Outdoor Kitchen Permit Is Required

Permits enter the moment the work goes beyond a freestanding appliance. Running a new gas line, adding outdoor circuits, plumbing a sink, or building a permanent masonry structure each typically requires a permit and inspection, and an overhead roof brings its own structural review. A reputable builder tells you which permits apply and pulls them rather than working around them — and structural or drainage questions about the site belong with the team handling outdoor surface installation first.

A Real Outdoor Kitchen Decision

One representative scenario shows why the base and the permits decide everything: the site and the climate, not the appliance wish list, drove every call below.

How to Vet an Outdoor Kitchen Builder

Most outdoor-kitchen failures are build failures, so the builder matters more than the brand of the grill. These questions separate a crew that builds a kitchen to last from one that sets appliances on a slab.

They size the footing to your soil and frost depth

A builder who pours the same slab everywhere is guessing. Ask how deep the footing goes and why — a real answer names your local frost line and the soil, not a habit.

They pull and coordinate the gas, electrical, and plumbing permits

Ask who pulls the permits and which licensed trades do the gas and electrical. A crew that treats a built-in kitchen as unpermitted handyman work is a red flag.

They frame in a non-combustible, weatherproof system

Ask what the island is framed from. A credible answer is masonry or galvanized/stainless steel with exterior-rated board — never wood studs or interior cement board.

They lay out appliances to their listed clearances

The right builder explains how each appliance's clearance to combustibles and venting drove the layout, especially under a roof or pergola. Vague answers here are where hazards hide.

They plan freeze protection and outdoor-rated components

Ask how the water lines survive winter and whether the refrigerator, doors, and counter are outdoor-rated. The freeze plan and the ratings are where rushed builds quietly cut corners.

They put the scope and schedule in writing and stand behind the work

Ask for the full scope, the timeline, and the labor warranty in writing before work starts. A crew willing to name a workmanship guarantee — and to return if a seam opens or a line leaks — is accountable for the build, not just the appliances the maker covers.

Why Route Your Outdoor Kitchen Through Pro Work Home Surface

Pro Work Home Surface is not a contractor and does not build your kitchen — we are a national authority on home surfaces that matches homeowners with vetted local builders and holds them to a published bar.

A free consultation and an itemized written scope

Every connection starts with a no-obligation consult and a written quote that lines out the footing, the permitted utilities, the frame, the appliances, and the finish separately — so you read the whole job, not a headline rate.

A real vetting standard, applied before we connect you

Builders are screened on what decides an outdoor kitchen's life: whether they size the footing to frost, pull the gas and electrical permits, frame in non-combustible materials, and lay out appliances to their listed clearances.

Permit and clearance discipline, every time

The base, the utilities, and the appliance clearances are checked against the local codes and each appliance's listing before anything is clad — footings below the frost line, gas sized to the connected load, outdoor power on GFCI.

National coverage, local crews

We match you with builders in your area nationwide, so the standard is consistent even though the crew — and the frost depth — is local, whether your project is a compact grill island or a full covered kitchen.

Outdoor kitchens are one part of the outdoor work we cover. If your project also touches a new patio to set it on, a paver or stamped-concrete surround, a retaining wall to level the grade, or a natural-stone finish, the same standards apply — compare what moves the price in our cost guides, dig into the how-and-why in our project guides, size the job with our surface tools, and start from the outdoor surfaces hub or the full range of home surfaces.

Brands & Material Authority

Quality and construction drive long-term performance more than the label. These are widely respected names in this category:

• Trex
• TimberTech
• Belgard
• Techo-Bloc
• Unilock
• Fiberon