To remove old paint and wallpaper without damaging drywall or plasterboard, you can follow these steps:
Prepare the area: Before you start removing the paint or wallpaper, protect the surrounding area by covering the floors and any furniture with drop cloths or plastic sheets. This will help catch any debris and prevent damage.
Removing wallpaper:
a. Test a small area: Begin by testing a small section of the wallpaper to determine the best removal method. Try peeling off a corner or using a putty knife to lift an edge. If it comes off easily, you can continue with the same method.
b. Peel and scrape: If the wallpaper is peelable, gently peel it off the wall at a 45-degree angle. Use a putty knife or a plastic scraper to lift the edges and scrape off any remaining adhesive.
c. Use a wallpaper steamer: If the wallpaper is stubborn and doesn't come off easily, you can use a wallpaper steamer. Steamers soften the adhesive, making it easier to remove the wallpaper. Hold the steamer against the wallpaper for a few seconds and then use a putty knife to scrape it off.
d. Apply a wallpaper remover solution: If the wallpaper is not peelable and steam isn't effective, apply a wallpaper remover solution following the manufacturer's instructions. Use a sponge or spray bottle to apply the solution and let it soak in for the recommended time. Then, scrape off the wallpaper with a putty knife or a wallpaper scraper.
Removing paint:
a. Test for lead: If the paint is old, it's important to test for lead before proceeding. You can purchase a lead testing kit from a hardware store and follow the instructions provided.
b. Use a paint scraper: Start by using a paint scraper or putty knife to gently scrape off loose or peeling paint. Be careful not to dig into the drywall or plasterboard. Work in small sections, applying minimal pressure to avoid damage.
c. Apply heat: If the paint doesn't come off easily, you can use a heat gun or a hairdryer to apply heat to the painted surface. Heat softens the paint, making it easier to scrape off. Keep the heat gun or hairdryer at a safe distance and continuously move it to prevent overheating.
d. Use a chemical paint stripper: As a last resort, you can use a chemical paint stripper. Follow the manufacturer's instructions and apply the stripper to the painted surface. Let it sit for the recommended time, and then scrape off the softened paint using a putty knife or scraper.
Always proceed with caution and take necessary safety precautions when working with paint and wallpaper removal. If you're uncertain or uncomfortable with the process, it's advisable to consult a professional who can handle the task safely and effectively.