Drywall and plaster
Walls and Ceilings That Look New Again.
Home Renovation Contractors installs drywall and repairs plaster across Greater Montreal, Laval, Longueuil and the North and South Shores.
Many Montreal plexes and older houses still have original lath-and-plaster walls. Sound plaster can often be repaired; badly cracked or loose plaster is usually replaced with drywall during a renovation.
Drywall work is regulated construction work in Quebec. For reference, the 2026 CCQ residential wage for a journeyman plasterer is $44.99/h and $44.29/h for a drywall taper, before employer charges, overhead and profit.
Drywall is often combined with painting, insulation and soundproofing and water damage repair.
When walls need work
Signs Your Walls or Ceilings Need Repair.
Small cracks are cosmetic; others tell you something is moving or wet behind the surface.
Cracks that keep coming back
Movement or failing plaster keys behind the surface.
Bulging or loose plaster
Plaster detached from the lath needs repair or replacement.
Water stains or soft spots
A leak to fix before any patching.
Nail pops and visible seams
Common in newer drywall as framing dries.
Holes and damaged corners
Everyday wear that a patch and corner bead fix.
Uneven, wavy walls
A skim coat or new board gives a flat surface.
What we do
Drywall and Plastering Services.
One crew from framing to the final sanded coat, ready for paint.
Drywall installation
New partitions, ceilings, closets and basement walls, hung, taped and finished.
✓ Straight, solid walls.
Plaster repair
Cracks, loose sections and damaged areas repaired to blend with original walls.
✓ Character kept where it counts.
Finishing and skim coats
Taping, mudding, sanding and skim coating to a smooth, paint-ready surface.
✓ No visible seams after paint.
Choosing the right board
Types of Drywall.
The right board depends on where it goes.
| Board | Where it goes | Note |
|---|---|---|
| Regular drywall | Living areas, bedrooms | Most economical |
| Moisture-resistant | Bathrooms, laundry, basements | Not a substitute for waterproofing in showers |
| Fire-rated (Type X) | Garages, between units, furnace rooms | Often required by code |
| Cement board | Behind tile in showers | Used with a waterproof membrane |
Soundproofing assemblies combine insulation, resilient channels and special boards; see our insulation and soundproofing service.
Step by step
How a Drywall Project Unfolds.
Each coat needs to dry before the next, which sets the rhythm of the job.
Visit and assessment
We check the walls, look for moisture and measure the areas.
Written scope
Areas, board types and finish level listed clearly.
Protection
Floors and furniture covered, dust barriers installed.
Board or repair
New board hung or damaged plaster repaired.
Tape and coats
Joints taped and coated, with drying time between coats.
Sanding and primer
Surfaces sanded smooth and primed.
Walkthrough
Walls checked under raking light before painting.
Before you compare quotes
What Drives the Cost of Drywall Work.
Drywall prices depend more on finish level and access than on the board itself.
Area and height
High ceilings and stairwells need scaffolding.
Finish level
Smooth, paint-ready finishes take more coats.
Plaster removal
Removing old plaster and lath adds labour and disposal.
Repairs vs new
Many small repairs can cost more per sq. ft. than new walls.
Board type
Fire-rated, moisture-resistant and cement boards cost more.
Painting
Priming and painting may be quoted together.
Should I repair or replace old plaster walls?
Sound plaster with small cracks can be repaired. Plaster that is loose, bulging or widely cracked is usually replaced with drywall, especially when walls are opened for wiring or insulation.
How long does drywall finishing take?
Each coat needs time to dry, so even a small room usually takes a few days from hanging to sanding.
Do you remove popcorn ceilings?
Yes. Older textured ceilings are tested where needed before removal, then finished smooth.
What drywall goes in a bathroom?
Moisture-resistant board for walls and ceilings outside the shower; cement board with a waterproof membrane behind shower tile.
Can you match a repair to the existing wall?
Yes. Patches are feathered, sanded and primed so they disappear once painted.
Is drywall work done by licensed trades in Quebec?
Construction work is regulated in Quebec; we work under our RBQ licence with qualified trades.
Get started
Planning Drywall or Plaster Work?
Tell us which rooms, the approximate size and what you see on the walls. We will come back with a clear, itemized estimate.
- Rooms and approximate size
- Photos of cracks or damage
- Whether painting is included
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