The last thing you d want is to hang your beautiful new wallpaper only to notice that bright green hue from the previous homeowner s wall color is showing right through.
New sheetrock walls primed painted need anything to hang wallpaper.
Pigmented primers have a white hiding pigment which makes the entire wall uniformly white very important in today s world of wallpapers that are not 100 opaque to prevent the old wall color from showing through.
For walls without any issues go with a standard drywall primer and you ll be fine.
Some drywall manufacturers even recommend plain flat latex paint as one type of drywall primer.
Priming also blocks color from showing through the new wallpaper.
After you re done hanging drywall and all the seams are taped and finished you need two coats of paint to give the wall its final appearance.
This is especially true if you re hanging wallpaper on brightly colored walls.
In any case make sure that you paint within two days of priming.
This protects the drywall from damage by the.
Patch any holes or cracks with spackling compound.
The issue of latex.
Pva drywall primers actually seal the new sheetrock surface better than a paint and primer in one and cost less.
Before you apply those however you need to seal the.
Remove wallpaper and glue from the wall s.
New drywall or previously painted drywall that requires repair should be treated not just with regular primer but with a primer sealer product.
Once the drywall has gone up the joints taped and the screws mudded something is needed to create an even solid surface over those different textures for a smooth coat of paint and possibly to help blend in new drywall with an existing wall.
These will lay down much like paint and just make sure you have an evenly porous surface for the coat of paint to soak into without causing any color changes or blemishes.
Once dry sand any high spots to create a level wall.
Priming promotes adhesion making it possible to hang on difficult to stick to surfaces like glossy painted walls.
Even pros sometimes opt for cheap latex paint as a primer when the surface has been so well finished that the surface is perfectly smooth without flaws.
Start by removing any molding switch plates outlet covers and other hardware attached to the area being tiled.
Remove any remaining dust oil or grease with tsp tri sodium phosphate or an ammonia based cleanser.
For example to achieve a quality finish with a paint and primer in one you may need 3 4 coats of paint which typically costs 25 50 per gallon.
If the wall was painted prior to wallpaper installation follow the instruction for painted or textured walls.
Using flat latex paint is another inexpensive way to prime drywall before painting.
Likewise if you have plaster follow the instruction in that section.