Can I Use Drywall Primer On Painted Walls

If you have ever looked at a painted wall from a sharp angle and seen the finished joints show through this is an effect called joint banding or flashing.

Can i use drywall primer on painted walls.

The plaster may be used over painted walls but a small amount of prepping is needed to ensure the plaster adheres to the wall. The solution to those minor imperfections is a high build drywall primer sealer. Often this will mean that your first coat of paint or drywall primer isn t 100 smooth which is why you want a sandable primer as mentioned above. This will work best if you are keeping a similar paint sheen and color to what is already on the walls.

Priming new walls will even out the surface and prevent your paint from being absorbed into it. Before you apply those however you need to seal the. If you re making a big change in color though play it safe by applying a separate primer. Using drywall primer means fewer top coats saves you money.

Brand new drywall is very porous and with taping may have inconsistent surface textures. If it is a pva primer then i d suggest you go ahead and purchase kilz for this project. By using a pva drywall primer you reduce the number of expensive topcoats that you ll have to apply. This versatile tintable interior exterior latex primer adheres as strongly to drywall as it does to wood concrete masonry metal and glossy surfaces like tile so it can be used to prime walls.

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. Drywall primer soaks into the paper scuffed paper and mud the areas of differing porosity and creates a uniform surface to which the finish paint can adhere. 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. If the drywall primer is something like kilz or zinser you can go ahead and use it.

If you re an ace drywall finisher and your walls are perfectly smooth you can use a standard drywall primer sealer. But if you re like most of us your finished drywall probably has some tiny pockmarks fine ridges and scuffed paper from sanding. Once dry the joint compound can be painted with latex paint and glazed for additional dimension.