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.

Prep metal roof for paint.

Find either oil based or acrylic based paint at your local home improvement store. The first step in painting any metal roof is determining what substrate and existing coatings you are dealing with. To make the most of your investment it s important to plan ahead for the metal roof installation process. Wash the metal thoroughly with a degreasing agent such as trisodium phosphate.

Galvanized metal roofs are usually painted with acrylic based paint. There are several different types of metals used in roofing applications. If you are preparing to paint a rusted galvanized metal roof pay special attention to surface preparation or you will have a recurrence of rust and or flaking. 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.

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. Unfortunately over time this coating can fail leading to minor rust outbreaks. Terne is best painted with an oil based paint.

Galvanized metal roofs are coated with a layer of zinc that inhibits rust.