Prep Metal Roof For Paint

Find either oil based or acrylic based paint at your local home improvement store.

Prep metal roof for paint.

Terne is best painted with an oil based paint. Wash the metal thoroughly with a degreasing agent such as trisodium phosphate. Galvanized metal roofs are coated with a layer of zinc that inhibits rust. For light rust and small areas use steel wool and 80 to 120 grit sandpaper.

To make the most of your investment it s important to plan ahead for the metal roof installation process. 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. 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.

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. There are several different types of metals used in roofing applications. Galvanized metal roofs are usually painted with acrylic based paint. Unfortunately over time this coating can fail leading to minor rust outbreaks.

Inspect the surface for rusty areas and remove all rust down to the bare metal using tools appropriate to the extent of the rust.