Primer For Bad Siding

For example a primer may be recommended if the siding is pitted or shows other signs of deterioration or severe weathering.

Primer for bad siding.

If the masonite is already compromised scrape off the area in consideration. Properly primed a 100 percent acrylic latex paint will provide decades of protection for cedar siding shingles. Remove pollutants and remove failing paint. This is the product to use to create the barrier.

Keep in mind that paint sticks to the layer directly beneath it whether that layer is bare siding or primer. Do prime the exposed wood whether new or previously painted with oil primer. These paints form a tough but flexible film that allows moisture within the wood to escape while protecting the cedar from atmospheric moisture that might lead to extractive bleed. We like to use sherwin williams or porter oil primers.

According to benjamin moore only areas of pitted or porous vinyl siding must be primed of course. Prime the cedar before you paint it. On discovering any of these problems fix it before it escalates out of hand. Some masonry surfaces can have a high ph level which will cause adhesion problems if you apply paint directly to the surface.

A quality masonry primer will allow you to safely paint over a wider range of ph levels without risk of adhesion loss. Virtually every paint manufacturer makes a high quality oil based metal priming paint. You also don t use oil based products on t1 111 as it will cause delaminating when it. Alkyd oil primers are recommended but one may choose a high quality latex primer as long as it contains stain blockers.

For best results fresh siding should be pre primed on all six sides with a stain blocking primer and top coated with 100 percent acrylic latex paint. Do not allow peeling paint to remain on the cedar siding before painting. In that case be sure to. Then apply some primer over the affected area.

A simple solution is to follow the advice of your paint manufacturer. However it is not necessary to apply the primer full strength. Cedar siding painting will only be successful if you have a clean slate. There are several reasons why it is a good idea to apply a masonry primer before paint.

Primer shouldn t be necessary before painting vinyl siding unless the surface is pitted or the original color has faded so much that the siding panels have become porous. In fact thinning it down actually helps the primer penetrate deeply into the eroded paint finish on your siding.