- NEW!
by cunning stunt who u calling chicken on January 7th, 2009
Well, painting over a dirty wall is not going to help the painting process. It can very well mess with the color of your paint if what is on the walls is chemically reactive. It can also cause the paint to not "bond" to the wall surface. If there are oils on the walls (base board too), it will make water based paints (low VOC) not cover.
Home improvement shows like people to think that "home improvement" is all cosmetic and glamour. It isn't: It is blood sweat and tears - in the end, you do the work yourself and feel good about it and save money while investing in house.
But it isn't what it is cracked up to be.
by Account Closed on January 7th, 2009
I never heard of Tsp but cleaning the walls is a must. No you won't see this on home improvement shows because they are limited by time and only film what needs filmed to show you. many call it prepping the wall. dirty walls can cause the paint to peel, flake or discolor. I normally just clean them with warm water and soap.
by The Chief on January 7th, 2009
Regardless of what you use, the object is to clean all the dirt and oily residues off prior to priming/painting. These can cause poor bonding between the new paint and your walls, which means your life will suck later when the paint starts peeling off after you speant hours preparing and painting everything.
TSP (Tri-Sodium Phosphate) is just one cleaning agent you can use. Pretty much anything will work provided that the cleaning agent itself washes off when you wipe the walls down.
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You're reading What is the point of washing walls with Tsp, or what have you, before painting? Many home improvement shows never show that part of it. Is it necessary?
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