Why DIY Painting Makes Sense in Canada
Hiring a professional painter in Canada for a single room typically costs $300–$600. For a full apartment, expect $2,000–$5,000 or more depending on size and condition. Doing it yourself brings that cost down to $50–$150 per room in materials. For first-timers, the learning curve is real but manageable — preparation and patience matter more than technique.
Tools and Materials You’ll Need
For most standard interior wall painting, you’ll need: a paint roller frame and covers (3/8-inch nap for smooth walls, 1/2-inch for textured walls or ceilings), a roller tray, a 2–3 inch angled cut-in brush for corners and edges, painter’s tape (for protecting trim, door frames, and outlets), a drop cloth or plastic sheeting to protect floors and furniture, Spackling Compound and 120–220 grit sandpaper for patching holes before painting, and a paint stir stick. All of this can be purchased at Home Depot, Canadian Tire, or RONA for $40–$60 total, and most items are reusable across multiple projects.
Choosing the Right Paint
The most common brands at Canadian hardware stores are Dulux (AkzoNobel), Benjamin Moore, Sherwin-Williams, and Behr (available at Home Depot). For general interior walls, water-based latex paint is the standard — low odour, fast drying, easy cleanup with soap and water. For finish, Eggshell is the default for most living rooms and bedrooms, Satin for higher-traffic areas or kitchens, and Flat for ceilings.
To estimate how much paint you need: calculate the total wall area (perimeter × height, minus doors and windows), then plan on one gallon (3.8L) covering approximately 35–40 square metres (375–400 sq ft) per coat. Most rooms need two coats. If you’re making a significant colour change — especially going from a dark colour to a light one — a primer coat first will save you from needing three or four coats of your finish colour.
The Painting Process: Step by Step
Start with surface preparation. Fill any nail holes or cracks with Spackling Compound, let dry completely, then sand smooth. Wipe down the walls with a damp cloth to remove dust, grease, and fingerprints — paint adhesion fails on dirty surfaces. Next, apply painter’s tape along all edges: trim, door frames, window casings, and the ceiling line. Lay drop cloths over floors and any furniture remaining in the room.
Cut in before rolling. Use your angled brush to paint a 2–3 inch band along all edges — ceiling, corners, and trim lines — where the roller can’t reach cleanly. Do this before rolling the main wall areas. Then roll the walls using a W or M pattern to distribute paint evenly, finishing with light vertical strokes to reduce visible roller lines. Apply thin, even coats rather than one thick application. Let the first coat dry fully (typically 2–4 hours for latex paint) before applying the second.
Remove painter’s tape while the final coat is still slightly tacky — not fully dry. Pulling tape off fully cured paint can cause it to crack and lift along the edge, leaving a ragged line instead of a clean one.
Realistic Cost Breakdown
For a standard bedroom (roughly 12–15 square metres of wall area): one gallon of paint costs $40–$70, a roller set runs $15–$25, and tape and drop cloths add another $10–$20. Total for the first room: approximately $65–$115. Tools carry over to every subsequent room, so from the second room onward you’re paying only for paint. Painting a full three-bedroom apartment yourself typically costs $150–$300 in materials total — versus $3,000–$5,000 to hire out.
Most Common Beginner Mistakes
Skipping surface prep is the most expensive mistake — paint won’t adhere well to dirty or unpatched walls, and the defects show through. Pulling tape too late is the second most common problem — fully dried paint tears rather than separating cleanly. Applying paint too thick in a single coat leads to drips and uneven texture; two thin coats always produce better results. And forgetting to stir the paint before and during use causes inconsistent colour distribution, especially with tinted paints that have been sitting on a shelf.
Supplies & Estimated Costs at a Glance
| Item | Purpose | Rough Cost (reference) |
|---|---|---|
| Paint | Walls & ceilings | Mid to upper range per gallon |
| Roller & tray | Covering large areas | Low (basic set) |
| Brushes | Cutting in edges & trim | Low to mid, by quality |
| Painter’s tape | Protecting edges | Low |
| Drop cloths | Protecting floors & furniture | Low |
| Filler & sandpaper | Repairing wall flaws | Low |
Note: Prices vary widely by store, brand, and season, so check current pricing before buying.
Step-by-Step Checklist
- Moved furniture and laid drop cloths on the floor?
- Filled and sanded holes and dents in the walls?
- Taped around trim and outlets?
- Cut in the edges with a brush first?
- Rolled large areas in a W pattern?
- Applied a second coat after the first dried?
- Removed tape before the paint fully cured?
Related Posts
Painting guides: Paint Finish Types: Flat, Eggshell, Satin Guide · Paint Damage in a BC Rental · BC Rental Wall Repairs DIY Guide