How to prepare an external wall for painting

preparing an exterior wall for painting can be messy and there are some hazards so wear gloves close-fitting eye protection and a breathing mask throughout the job use a medium to stiff bristle hand brush to give the ball a thorough brush to remove any surface dirt and loose paint then use a scraper to remove any flaking paint or loose masonry then brush down again if necessary if the wall is really dirty you may need to scrub it with diluted household detergent and rinse it off with clean water don't let the water get into air vents or boiler flue outlets if the surface has loose render large cracks or other major defects you'll need to call in a builder for specialist advice if the surface has small cracks or small areas of damaged render you can repair these using a suitable external filler we're going to use this ready-mix filler but you can also buy powder fillers that you mix on site ensure the damaged area is free from loose material slightly damp in the area to be filled ideally using a spray bottle use the corner of a filler knife to form an inverted V shape along the surface of any crack this will help the filler to stay in place stir the filler in the tub until it's creamy in consistency apply the filler to the damaged area with a filling knife and smooth off with a wet filling knife if the crack or damaged area is less than ten millimeters you should be able to fill it in one go if it's deeper than 10 millimeters you'll need to build up in layers leaving each layer to dry between applications once it's all dry you can sand down as required if your wall has surface growth like mold or algae remove as much of this as possible by scraping brushing and washing treat the area with fungicidal wash this should be done during dry weather only mix thoroughly by shaking the container apply the solution by brush to all the affected areas leave for 24 hours and then thoroughly rinse and scrub with clean water to remove residues and dead growth if your wall is badly affected by lickin seek specialist advice if your wall is porous chalky or badly weathered you'll need to prime it with a stabilizing solution it's easy to apply quick drying and provides a good base for the paint shake the container then apply to the affected area using a large paintbrush don't dilute the solution or mix it with the paint one coat should be sufficient allow to dry before you apply the paint for more ideas and no help visit diy.com you

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Keywords: B&Q, bandq, home, garden, flat, house, living, interior, exterior, internal, external, home improvement, diy, renovation, refresh, improvement, do it yourself, how to, ideas, inspiration, guide, help, advice, project, build, fix, grow, outdoor, skills, jobs, kitchen, bathroom, bedroom, living room, plan, building, maintenance, paint, painting, paint brushes, prepare an external wall, prepare walls for painting, prepare an exterior wall, paint an external wall, paint an exterior wall, You can do it, B&Q it

Id: 3aX1uh3bWuM

Length: 3min 34sec (214 seconds)

Published: Thu Dec 05 2013