Prep Metal Roof For Paint

The first step in painting any metal roof is determining what substrate and existing coatings you are dealing with.

Prep metal roof for paint.

Inspect the surface for rusty areas and remove all rust down to the bare metal using tools appropriate to the extent of the rust. One of my neighbors used an oil based paint as a primer since some of the metal was rusted and then covered the roof with one of the specially formulated roofing paints that is sold by calbar for use on old metal roofs for an added layer of protection. For light rust and small areas use steel wool and 80 to 120 grit sandpaper. Find either oil based or acrylic based paint at your local home improvement store.

There are several different types of metals used in roofing applications. Galvanized metal roofs are usually painted with acrylic based paint. Metal roofing installation prep if you re looking to replace your current roof metal roofing is a durable low maintenance alternative to asphalt shingles. This is a huge factor in what coating system you ll want to use and is critical to determining how to prepare the existing surface.

Rinse and let the metal dry. To make the most of your investment it s important to plan ahead for the metal roof installation process. Terne is best painted with an oil based paint. To ensure that you know what kind of metal your roof is made out of and what kind of paint you should use ask a professional roofer to inspect your home.

Wash the metal thoroughly with a degreasing agent such as trisodium phosphate.