Do You Need Paint Primer On Prefab Outdoor Siding

If you did not do a good job of scraping off the old paint or there is chalking that you can t get to come off then you should first paint with a primer.

Do you need paint primer on prefab outdoor siding.

On average painted homes will need a new coat of paint every five years. Apply a coat of exterior acrylic latex paint non self priming at 17 per gallon. Apply a coat of primer at 12 per gallon. Hardboard siding may also require a primer.

Those troubled spots say where oils are seeping through siding a good coat of exterior primer over old paint is. Any places you scraped off to bare wood. However if wood siding has been painted without primer first you only need to prime over problem areas where paint has shown failure in the past. Alkyd oil primers are recommended but one may choose a high quality latex primer as long as it contains stain blockers.

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. 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. The paint that you choose will depend somewhat on how well you prepared your metal siding to receive the paint and what the surface of it looks like. Reason for this is current paint is adequately grabbing holding generally staying the duration so no reason to top coat it with primer.

If you plan to stay in your home the cost of painting can quickly add up to the price of a new siding job. Places to use a high bonding exterior primer is any places you just filled. In that case be sure to. According to benjamin moore only areas of pitted or porous vinyl siding must be primed of course.

Prime the cedar before you paint it. Painting aluminum siding faqs how long does paint last on aluminum siding. Cedar and redwood for example usually require an oil based primer to seal the surface so that tannin stains don t bleed through the topcoat. You may be required to repaint if the paint didn t adhere well to the siding or if your home gets exposed to extreme elements of sunlight and moisture.

As a general rule use an alkyd primer and a latex topcoat when repainting. Be sure that your primer is appropriate for the surface you re painting. Prepare house exterior for painting. Finally since metal is such a good heat absorber avoid painting siding while it s getting direct sunlight.

Most of the time you can skip right over the primer step on a vinyl paint job. As long as the siding is clean you won t need to use a primer unless raw metal is exposed.