Tuesday, February 21, 2012

How Much Paint? - Painting - DIY Chatroom - DIY Home ...

Assuming the walls are in good shape and you are not patching you might get by without a primer. If you are changing from oil to latex or vice versa especially you should prime to be safe. If you patch, you will have to at least spot prime the patches. Tint the primer to 40 percent or so of your new color formula. Whatever you decide, remember paint and primer do not come in the same can in spite of marketing hype! If you decide to prime everything, you will need 2 gallons. If you have not subtracted for windows and doors in that sfootage you might get by with 1 gallon.

As mentioned, good quality paint should cover about 350-400sf. Don't forget to factor in the ceiling if you are painting it the same color. And for a single room you can subtract for doors and windows if they are part of your 500sf estimate. I usually left them in figuring the client would have paint left for touch up.

Two coats of finish would be 1,000sf right (twice times 500sf)? I fear if you have subtracted for windows and doors and that is actual wall surface, 2 gallons might not stretch and you will need 3. You certainly do not need 5. However, if it is a color and sheen you would use somewhere else in the near future the price differential for buying in a 5 gallon bucket MIGHT make it appealing over buying 3 gallons. You have to see what deals are being cut. No reason to have gallons of paint you will not use laying around though.

Make sure to mix your gallons tinted together. It is unlikely there would be a major color difference in the tinting process but sometimes with tans and other light or really dark colors, a subtle change will be noticeable.

I always bought good quality but contractor grade roller covers for applying flat paint. 3/8 minimum but usually 1/2 for for smooth walls. Thicker if the walls were textured. 1-1.5 for things like brick. I find it hard to justify gallons and gallons of fresh water to rescue a $5 roller cover. I just wrapped them in plastic and stored them in a cool dry place until done with the job.


Last edited by sdsester; Today at 05:19 PM.

Source: http://www.diychatroom.com/f4/how-much-paint-134255/

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