How To Recoat A Metal Roof

Due to the irregular surfaces on metal roofs airless spray guns are the most effective tool for cleaning their surfaces prior to coating applying the primer and applying the finish coats.

How to recoat a metal roof.

Roof or a 100 000 sq. Terne is best painted with an oil based paint. The single ply system or metal system is then fastened to either the existing panel or to a framing system that is attached to the structure of the building. How to repair leaks on mobile homes with older metal roofs using sta kool elastomeric products.

Sand the entire metal roof surface very lightly with your wire brush or sandpaper. While a spray foam recoat will generally be in the 2 3 per square foot range the size of your roof can determine if your recoat is going to be closer to 2 or 3. Be sure the surface is clean and completely dry before the application of the coating. Re coating commercial metal roofs typically enhances functionality and restores the panels to offer additional service life says marzahl.

Tin aluminum rusty metal r panel standing seam corrugated metal butler buildings hangars and factories. Surface preparation residential commercial. As a metal roofing contractor we have sealed and coated thousands of leaky commercial industrial metal roofs over the past 20 years. Try to achieve a slightly abraded texturized finish as this helps your new paint bond with the roof finish.

Pressure wash when possible using pure water. This style of retrofit is typically addressed by filling the flutes of the existing roof with insulation cut to conform to the shape of the existing panel. Commercial industrial metal roofs. 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.