Do You Need Paint Primer On Prefab Outdoor Siding

As long as the siding is clean you won t need to use a primer unless raw metal is exposed.

Do you need paint primer on prefab outdoor siding.

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 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. Those troubled spots say where oils are seeping through siding a good coat of exterior primer over old paint is. Most of the time you can skip right over the primer step on a vinyl paint job.

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. 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. Be sure that your primer is appropriate for the surface you re painting.

As a general rule use an alkyd primer and a latex topcoat when repainting. Apply a coat of primer at 12 per gallon. Sure you can paint bare wood with a high quality exterior paint but if you want it to last prime it first. When splitting primer and paint quantities down the middle 10 gallons each the grand total is 290.

Apply a coat of exterior acrylic latex paint non self priming at 17 per gallon. According to benjamin moore only areas of pitted or porous vinyl siding must be primed of course. 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.

Hardboard siding may also require a primer. Prepare house exterior for painting. Finally since metal is such a good heat absorber avoid painting siding while it s getting direct sunlight. Alkyd oil primers are recommended but one may choose a high quality latex primer as long as it contains stain blockers.

Prime the cedar before you paint it. Any places you scraped off to bare wood. 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. 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.

For an exterior requiring 20 gallons of paint and primer your tab is 1 000 or a bit less. On average painted homes will need a new coat of paint every five years.