Do You Need Paint Primer On Prefab Outdoor Siding

Any places you scraped off to bare wood.

Do you need paint primer on prefab outdoor siding.

Prepare house exterior for painting. 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. 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. Those troubled spots say where oils are seeping through siding a good coat of exterior primer over old paint is.

As a general rule use an alkyd primer and a latex topcoat when repainting. 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. On average painted homes will need a new coat of paint every five years. Apply a coat of primer at 12 per gallon.

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. According to benjamin moore only areas of pitted or porous vinyl siding must be primed of course. 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. If you plan to stay in your home the cost of painting can quickly add up to the price of a new siding job.

Sure you can paint bare wood with a high quality exterior paint but if you want it to last prime it first. For an exterior requiring 20 gallons of paint and primer your tab is 1 000 or a bit less. Most of the time you can skip right over the primer step on a vinyl paint job. 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.

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. As long as the siding is clean you won t need to use a primer unless raw metal is exposed. Alkyd oil primers are recommended but one may choose a high quality latex primer as long as it contains stain blockers. Painting aluminum siding faqs how long does paint last on aluminum siding.

Places to use a high bonding exterior primer is any places you just filled. Apply a coat of exterior acrylic latex paint non self priming at 17 per gallon. Be sure that your primer is appropriate for the surface you re painting. In that case be sure to.

Prime the cedar before you paint it. Finally since metal is such a good heat absorber avoid painting siding while it s getting direct sunlight.