Paint & project guides
Prep and how-to articles — primer, wall repair, painting steps — plus coverage calculators for paint, wallpaper, and stain on paint-calculator.ca.
Prep & how-to
Prep & how-to
Should I Use Primer Before Painting?
When primer is required vs optional, which type to buy, how much you need, and what happens if you skip it on walls and ceilings.
8 min read
Prep & how-to
How to Repair Walls Before Painting
Fix holes, cracks, nail pops, and damaged drywall so your paint job looks smooth — step-by-step for DIY prep.
9 min read
Prep & how-to
How to Patch Drywall Holes Before Painting
Fix small dents to medium holes (up to 6 inches) with spackle, patch kits, or California patch — ready for primer and paint.
7 min read
Prep & how-to
How to Prep Walls for Painting — Complete Checklist
Clean, sand, caulk, tape, and protect floors. The prep checklist pros use before opening the first gallon.
8 min read
Prep & how-to
How to Paint a Room — Step-by-Step for Beginners
Cut in, roll walls, paint ceiling and trim in the right order. Drying times, tools, and tips for a clean DIY job.
10 min read
Prep & how-to
Painting Over Dark Colors — Primer Tips That Save Coats
Cover navy, red, or black walls with lighter paint without using five finish coats. Tinted primer and technique.
6 min read
Prep & how-to
How to Fix Peeling Paint Before Repainting
Scrape, sand, prime, and repaint areas where latex or oil paint is flaking — stop peel from spreading.
7 min read
Prep & how-to
How to Remove Wallpaper Before Painting
Strip old wallpaper, clean adhesive, and prep walls for paint or new paper — avoid bubbling and peel later.
7 min read
Prep & how-to
Flat vs Eggshell vs Satin — Which Paint Sheen to Use?
Choose the right interior finish for walls, trim, ceiling, kitchen, and bathroom — washability vs hide.
6 min read
Interior paint
Interior paint
How Much Paint Do I Need for a Room?
Step-by-step guide to calculating wall and ceiling paint for any rectangular room. Formulas, coat counts, and when to buy extra.
6 min read
Interior paint
How Many Coats of Paint Do You Need?
One coat vs two coats vs three — when primer counts as a coat, and how to plan for color changes and new drywall.
5 min read
Interior paint
Paint Coverage Per Gallon — What the Label Really Means
How to read sq ft per gallon on a paint can, adjust for texture and porosity, and avoid under-buying on your project.
5 min read
Wallpaper
Wallpaper
How to Estimate Wallpaper Rolls for a Room
Wall width, roll length, pattern repeat, and waste — a plain-language guide before you buy wallpaper.
7 min read
Wallpaper
Wallpaper Pattern Repeat Explained
What pattern repeat means on a wallpaper label, how it affects roll count, and tips for accent walls.
5 min read
Wallpaper
Accent Wall Wallpaper — How Much Do You Need?
Calculating wallpaper for one feature wall instead of a full room. Less paper, but pattern repeat still applies.
4 min read
Stain & deck
Stain & deck
How Much Fence Stain Do I Need?
Calculate gallons for board-on-board, shadowbox, or privacy fence stain using length, height, and coverage per gallon.
5 min read
Stain & deck
Deck Stain Coverage — Boards, Rails & Stairs
How to estimate deck stain gallons including floor boards, railings, steps, and vertical surfaces.
6 min read