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Drywall questions Calgary homeowners actually ask

This is every question we get asked on Calgary driveways and in Calgary basements, gathered in one place. The answers are the same ones we give on site. Where a number depends on your job — and with drywall it almost always does — we say what it depends on rather than guess, and we put the real figure in a free written quote before any tools come out.

Drywall FAQ Calgary

Watch drywall jobs in Calgary on our YouTube channel

Before the drywall: insulation, spray foam and who does which half

Foam has to be covered, and that is our half of the job

Under the National Building Code — Alberta Edition, Article 9.10.17.10, foamed plastic cannot be left exposed to the inside of a house. It has to sit behind a thermal barrier, and in a Calgary home that is almost always 12.7 mm gypsum board. Emplastrum does not spray foam and does not quote it. We are a mudding and taping crew; the foam itself is applied by a spray foam insulation contractor, and we are the crew that boards, tapes and finishes over it afterwards.

Sequence the two trades, do not stack them

Foam goes in first, any inspection happens while the assembly is still open, and only then do we board. If you are planning a basement, read up on insulating before drywall before you set your dates, then tell us the foam date when you book so the walls are not left open longer than they need to be. Where foam is more than the job needs we say so — an open stud wall that is simply going to be boarded over is usually better served by batt insulation, and an attic top-up by blown-in. We install both.

Work the numbers before you call us

The calculators are free and they are the same arithmetic we do

Our drywall calculator, insulation calculator, framing calculator and paint calculator turn room dimensions into sheet, batt, stud and paint quantities. Treat every one of them as a planning number: openings, ceiling height, waste and the board we would actually specify all move it, and we confirm the real quantity at the free on-site quote before anything is ordered.

Terms, and what other people said

If a word on this page is unfamiliar, the drywall glossary defines it in plain English. Our reviews are on the reviews page and on our Google Business Profile, where you can read them and leave one.

Simple, clean, on schedule — Drywall in Calgary

1

Free quote

Someone attends the Calgary address, inspects what the drywall actually involves, and gives you a firm number before leaving. Nothing is estimated from a photo.

2

Book a day

Scheduling is settled in one conversation. The drywall start date in Calgary is confirmed and the team turns up on it.

3

The work

Dust control is set up first — sheeting, sealed openings, containment — then the drywall is taken through to a paint-ready finish in your Calgary home.

4

Walk it with you

The drywall is not done when the tools are packed — it is done when you have walked it in Calgary and told us it is right.

Rated by Calgary Homeowners

Emplastrum Drywall does drywall in Calgary — patches, restoration and paint-ready finishing. The reviews come from Calgary homeowners on Google, not from us.

Go through them, then judge us on your own Calgary project.

Read our reviews on Google

Drywall FAQ Calgary: your questions answered

How much does drywall repair cost in Calgary?
Small Calgary drywall repairs — nail pops, holes and small patches — are usually a flat call-out plus a bit of material. Bigger water-damage jobs or full-sheet replacements we price after a free on-site look. You know the number before we start and it does not change.
How much does a drywall contractor in Calgary cost?
A Calgary drywall contractor prices each job by scope — a single repair is very different from boarding, taping and finishing a full basement or new build. As a full-service residential drywall contractor, Emplastrum quotes on site and gives you one fixed written price before any work starts, so there are no surprises after.
How much does 1500 square feet of drywall cost?
A square-foot number on its own is not a quote, and we will not hand you one. The same 1,500 square feet prices very differently depending on whether it is boarding only, boarding plus taping to Level 4, or a Level 5 finish, and on ceiling height, access and how much texture matching is involved. Start with our free drywall calculator at /drywall-calculator/ for sheet, mud and tape quantities, then we price the labour on site for free.
Why does Level 5 cost more than Level 4?
Because it adds a full skim coat across every surface — more material, more labour and more sanding than a standard Level 4. That is why it is used where perfection is required, not everywhere.
How much does interior painting cost in Calgary?
Interior painting costs in Calgary vary by room size, surface condition and finish type. A single room in good condition typically runs a few hundred dollars; a full-house paint job after renovation or basement development is priced after a free on-site assessment. Every quote is fixed — you know the number before we start.
How much drywall do I need for my project?
Use our free drywall calculator at /drywall-calculator/ to get a sheet count and a mud and tape estimate from your room dimensions — it is the same arithmetic we do on site. Treat it as a planning number: openings, ceiling height, waste and the board type we would actually specify all move it. We confirm the real quantity at the free on-site quote before anything is ordered.
Do you offer free quotes?
Yes — free on-site drywall quotes anywhere in Calgary (NW, NE, SW, SE), Cochrane, Airdrie and Okotoks. 7 days a week, no obligation. We come look at the project in person, measure the work, ask the right questions, and hand you a fixed written price before any tools come out.
How long does drywall repair in Calgary take?
Most Calgary drywall repair jobs — cracks, holes and nail pops — are completed in one visit, usually the same week you call. Larger water-damage jobs or multi-room work take a bit longer. We give you the timeline at the quote.
Will the drywall repair match my existing Calgary wall texture?
Yes. We match knockdown, stipple, orange peel and smooth Level 5 finish. We feather the edges past the repair so there is no ridge or hard line when it is painted. Most Calgary homeowners say they cannot find where we worked.
Why does my patch stand out?
Usually the texture or the feathering wasn’t matched. We blend the edges so the repair disappears.
Can you fix bad taping and mudding from another crew?
Yes. Re-finishing failed taping is common work for us — bubbled tape, cracked seams, visible ridges and pin-holing. We assess what is salvageable, re-coat or re-tape as needed, sand and check under light so the wall finishes clean.
Do you guarantee your drywall repair work?
Yes. We stand behind every drywall repair job in Calgary and we walk every job with you before we pack up. If something is not right, we come back and fix it.
Can you match my existing texture?
Yes, knockdown, orange peel, stipple and smooth are all textures we match regularly.
Do you match ceiling textures too?
Yes, including knockdown and stipple ceilings.
Is it ready for paint after?
Yes, we leave the matched area sanded and paint-ready.
Do pre-1990 Calgary ceilings need an asbestos test before removal?
Yes, we recommend it. Stipple and popcorn texture applied before the early 1990s can contain asbestos in the binder compound. A single bulk-sample test from a certified Calgary lab costs under $100 and takes a few business days. We will advise you on the process and schedule the job around the result. We do not scrape unknown pre-1990 ceilings without clearance.
How long does popcorn ceiling removal take in a Calgary home?
A standard main floor in a Calgary bungalow or bi-level — two or three rooms — is typically a one-to-two day job. Vaulted ceilings, open-concept main floors or jobs that include re-texture take a bit longer. We give you a realistic timeline at the on-site quote.
How messy is popcorn ceiling removal?
It produces a lot of fine dust when done without containment. We mask doorways with poly sheeting, cover all floors and protect fixtures before we scrape a single line. Most Calgary homeowners tell us they expected a much bigger mess and were surprised at how clean we kept the house.
Is knockdown texture the same as popcorn?
No. Popcorn (stipple) is a sprayed granular material that usually wet-scrapes off. Knockdown is troweled joint compound bonded to the ceiling, so it is sanded and skimmed flat instead of scraped.
Will the ceiling be perfectly smooth after removal?
Yes — the goal is a flat, smooth, modern ceiling. After sanding the texture down we skim coat, sand smooth and check under light so it reads as a clean smooth ceiling, ready for paint.
What ceiling textures do you apply?
Knockdown, spray textures like orange peel and splatter, and custom finishes. We also match existing textures for repairs, or skim ceilings smooth if you prefer no texture.
Why does my ceiling keep cracking in the same spot?
A crack that returns usually was not addressed at the cause. Calgary homes move with our dry climate and temperature swings, and a crack over a seam needs to be re-taped, not just filled. We re-tape and finish so it is far less likely to return.
Can you repair a water-stained ceiling?
Yes. We seal the stain with a stain-blocking primer so it does not bleed through paint, replace any water-damaged board, then re-tape, mud and texture-match. We can provide photos and invoices for an insurance claim.
What is the difference between a Level 4 and Level 5 finish?
A Level 4 finish is three coats over taped joints and fasteners, sanded smooth — right for most walls in standard paint sheens. A Level 5 finish adds a full skim coat over the entire surface for a flawless look under glossy paint, raking light and on flat ceilings. We recommend the level your job actually needs.
Do I need Level 5 or is Level 4 enough?
Level 4 is right for most rooms in standard paint and normal light. Level 5 is worth it for raking light, large windows, glossy or dark paint, feature walls and flat ceilings. We advise which surfaces actually need it.
Does lighting really change whether I need Level 5?
Yes — light is the single biggest factor. Raking light from windows or pot lights, and glossy or dark paint, reveal flaws a matte wall in soft light never would. We assess the real lighting in the room.
What is skim coating?
Skim coating is troweling a thin layer of joint compound over an entire wall or ceiling, then sanding it smooth, to create a dead-flat surface. It is used to smooth texture, hide damage, and achieve a Level 5 finish.
Is skim coating the same as a Level 5 finish?
A Level 5 finish is a full skim coat over an already-taped Level 4 surface. Skim coating is the technique; Level 5 is the finish standard it produces.
Can you skim coat over textured or stippled walls?
Yes — smoothing old texture and stipple is one of the most common skim coating jobs we do. The result is a flat, modern, paint-ready wall or ceiling.
Do you finish drywall I boarded myself?
Absolutely. Many calls come from homeowners who boarded a basement or room themselves and found the taping and mudding trickier than expected. We finish DIY boarding to a clean Level 4 or Level 5.
Do you do legal suite basement drywall in Calgary?
Yes, and we know the spec. Calgary legal suites require 5/8” Type X fire-rated board on the ceiling separating the suite from the floor above, and STC-rated soundproof board on the party walls between the suite and the main living space. We board to that spec so the suite passes inspection.
What type of drywall do you use for exterior basement walls in Calgary?
Moisture-resistant (green board or purple board) on all walls against the exterior foundation and around plumbing and laundry. Standard 1/2” drywall for interior partition walls away from moisture. For legal suites, 5/8” Type X fire-rated on the ceiling and soundproof board on party walls. We specify before we start.
How long does basement drywall take in a Calgary home?
A typical open basement in a Calgary new build takes two to four days to board and another two to three days to tape, mud and finish (mud needs drying time between coats). A basement suite conversion with more complex framing takes longer. We give you a realistic timeline at the on-site quote.
Where is fire-rated drywall required in a Calgary home?
Most commonly on the wall between an attached garage and the living space, on the garage ceiling when there is living space above, and on legal suite party walls and floor-ceiling separations. Certain mechanical rooms may also require it.
Does the garage need fire-rated drywall on the ceiling?
Only where there is living space above the garage — then the ceiling must be fire-rated. If it is unoccupied attic space above, the requirement is different. We confirm your configuration on site.
Will your fire-rated install pass inspection?
We install to the Alberta Building Code requirement with correct board, fastening, seams and penetration treatment, finished clean, so the assembly is inspection-ready.
Do you do poly-B re-pipe drywall repair across all of Calgary?
Yes — we cover all four Calgary quadrants, Airdrie, Cochrane and Okotoks, 7 days a week. Free on-site quotes, fixed prices, same-day reply. We work in all the established NW and NE Calgary communities with high poly-B density, and in newer communities where the calls are smaller-scope plumbing repair patches.
What is poly-B remediation, and which part of it do you do?
Poly-B remediation is the whole job of getting poly-B pipe out of a home: the plumbing work itself, opening walls and ceilings to reach the pipe, and closing everything back up afterwards. Emplastrum does the last part. We are not plumbers and we do not quote or perform pipe work — we are the crew that makes the house look like it never happened.
Can I replace poly-B myself?
Replacing poly-B pipe is licensed plumbing work. It is not something we do, and it is not something we would advise on — that is a conversation for a licensed plumber. What we do is the other half of the job: the cut-outs the re-pipe leaves in your walls and ceilings, boarded, taped, textured to match and left paint-ready.
What does poly-B drywall repair cost in Calgary?
Poly-B drywall repair is priced off the openings, not the floor area — how many cut-outs the plumber left, where they are, and what texture has to be matched. A run of small wall openings behind a vanity is a different job from a ceiling opened along a main line. We look at the actual openings after the re-pipe and give you one fixed written price before we start. We price the drywall side only; the pipe replacement is your plumber’s quote, not ours.
How many cut-outs does a full poly-B re-pipe typically leave in a Calgary home?
It depends on the home layout and how the plumber ran the new lines. A one-storey Calgary bungalow from the 1970s typically has 15 to 25 wall and ceiling cut-outs. A two-storey from the same era can have 25 to 40. We assess the full scope on-site and price it accordingly — one fixed price for every opening.
Do you repair poly-B ceiling cut-outs as well as walls?
Yes, and ceilings are the bigger half of most poly-B calls, because the main lines usually run overhead. A ceiling is also the harder surface to hide a patch on — stipple and knockdown show a repair far more than a flat wall does — so we feather well past each opening and match the existing texture before it is primed.
Can you match the wall and ceiling texture after patching?
Yes. Texture matching is part of every poly-B re-pipe drywall job we do in Calgary. Whether the home has knockdown ceilings, smooth walls or a heavier stipple pattern, we match it so the patches are invisible under paint. This is not an add-on — it is standard.
Do I need to wait for plumbing inspections before you repair the drywall?
Yes. We do not close any wall or ceiling cut-out until the plumbing re-pipe is done and inspections have passed. Closing drywall before inspection forces the inspector to cut back in — you pay for the repair twice. We coordinate with your plumber and schedule to follow inspections directly.
Can you coordinate timing with my plumber?
Yes. If you let us know before the re-pipe starts, we can communicate directly with the plumber to align our schedule with the inspection timeline. This keeps the walls closed as quickly as possible after the plumbing work is done.
Where can I see reviews of your poly-B drywall repair?
On our reviews page at /emplastrum-drywall-reviews/ and on our Google Business Profile, where you can read them and leave one. We do not publish a separate poly-B rating — it is the same crew, the same texture matching and the same finish standard as every other repair we do.
Does spray foam insulation have to be covered with drywall in Calgary?
Yes. Foam plastic insulation cannot be left exposed to the inside of a building. Under the National Building Code — Alberta Edition, Article 9.10.17.10, “Protection of Foamed Plastic”, it has to be separated from the occupied space by a thermal barrier, and in a house that is almost always 12.7 mm (half-inch) gypsum board. Ordinary drywall. That is the part most people are never told about when they get foam quoted, and it is the part we do.
Do you spray the foam as well as board over it?
No. We do not spray foam and we do not quote it — we are a mudding and taping crew. The foam is applied by a spray foam insulation contractor — the Calgary work we see most often is done by Spray Foam Insulation Alberta — and we are the crew that boards, tapes and finishes over it afterwards so the wall meets the thermal-barrier requirement and is ready for paint.
Can the foam and the drywall be booked as one job?
They are two trades and they have to run in order: foam goes in first, any inspection happens while the assembly is still open, and only then do we board over it. If you tell us the foam date when you book, we schedule to follow it so the walls are not sitting open longer than they need to be. Read more about insulating before drywall, which the section above this FAQ links to, before you set the dates.
Should I use spray foam or batt insulation before drywall?
Foam earns its place where a wall is awkward to seal any other way — rim joists, cantilevers, cathedral ceilings, the cold corner nobody could ever fix — because it insulates and air-seals in one step. It is not the right answer everywhere. An open stud wall that is simply going to be boarded over is usually better and far more cheaply served by batt insulation, and a straightforward attic top-up is usually blown-in. We install both, and we will tell you when foam is more than the job needs.
What thickness of drywall goes over spray foam?
In a house, 12.7 mm — half-inch gypsum board — is the thermal barrier the code asks for over foamed plastic. Where the same assembly is also a fire separation, such as a garage ceiling under living space or a legal suite, that becomes a fire-rated Type X assembly instead, and we board it to that spec. We confirm which one applies at the quote rather than guessing from the foam alone.
Do I need to fix the leak before you repair the drywall?
Yes. The source must be confirmed repaired and the cavity must test dry before we close the repair. We will not board over a wet or active source — it would fail. If you are unsure whether the source is fully addressed, we will check when we assess the job and advise you directly.
Do you do insurance documentation for water damage drywall repairs in Calgary?
We can photograph the damage before and after cut-out. The scope of the repair — how much board was removed, what was found in the cavity, board type and dimensions — is documented. Many Calgary homeowners use this for insurance claims related to appliance failures, roof leaks or plumbing failures.
Do you cover all of Calgary?
Yes — we cover every quadrant of Calgary and the surrounding communities including Cochrane, Airdrie and Okotoks. The only jobs we skip are downtown high-rise units where building access rules out our workflow.
Do you serve Airdrie, Cochrane, Chestermere and Okotoks?
Yes — Airdrie, Cochrane, Chestermere and Okotoks are all inside our service area, along with every quadrant of Calgary. We are a service-area business, so we come to you. The only work we turn down is downtown high-rise units, where building access rules out our workflow.
Do you work with builders and general contractors?
Yes. We work with builders, GCs and owner-builders, coordinate our start around the build sequence, and hit our schedule so the trades behind us are not delayed.
Do you do board-only contracts?
Yes — we offer board-only for homeowners or crews who will tape and finish themselves, as well as boarding as the first stage of a full finished job. We quote both clearly.
Do you supply the drywall or do I?
We can supply and install, or hang material you have supplied. We will confirm the arrangement and the board spec at the quote.
Are you insured?
Yes — Emplastrum Drywall is a fully insured residential drywall contractor serving Calgary, Cochrane, Airdrie and Okotoks. Mudding and taping specialist with full liability coverage on every project. Proof of insurance available on request before we start.
What are your hours?
Open 24 hours, 7 days a week for calls and quote requests at (403) 829-8702. On-site work is scheduled with you when you book.
How do I book?
Fill out the free drywall quote form on this page or call us at (403) 829-8702. Most drywall repair, popcorn ceiling removal, basement drywall, texture matching, and water-damage drywall jobs are booked within 24-48 hours. Same-week service available on smaller repairs and patches.

Drywall Tips & Guides — Calgary

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