Old Metal Roof Coating
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.
Old metal roof coating. I used acrymax from preservation products. Metal roofing 72 modified bitumen roofing 38 panel roofing 15 sbs asphaltic 38 sbs modified bitumen 46 self adhered membranes 39 single ply roofing 28. Henry 687 envirowhite 100 acrylic reflective elastomeric roof coating w dirt pickup resistance technology 24 piece model he687072 2 378 83 pallet 2 378 83 pallet. Terne is best painted with an oil based paint.
Gaf united coatings 5 gallon silicone reflective roof coating 20 year limited warranty item 1051026. Uncoated its bright gleaming shine quickly acquires a protective brown patina that can turn a soft blue green over time. Metal roof coating recommendations. Ames iron coat industrial strength roof paint is a thick high quality rubber and acrylic elastomeric roof coating especially formulated for metal.
A metal roof could be re coated simply because the owner would like to change the color. The first was their basic coating hp 1000 followed by two coats of hp 5000. When coating a metal roof with a painted finish we strongly recommend that you remove any loose or peeling paint and apply one coat of our bonding primer to the entire roof surface to ensure 100 bonding between the roof coating and your metal roof. I used three coats.
Re coating a roof is a less. We stop metal roof leaks by using our rubberized urethane sealant in a process that includes a reinforced polyester membrane. As a metal roofing contractor we have sealed and coated thousands of leaky commercial industrial metal roofs over the past 20 years. Our process is metal roof sealing and coating process is described below.
Also when a metal roof coating is pealing or there is surface rust re coating a roof will increase its longevity by increasing its corrosion resistance says michael endredi project engineer at the garland co cleveland. Metal roofs should be coated painted with a specially roof formulated acrylic latex which bonds tightly to metal and becomes a flexible coating 15 20 mils thick. The oldest longest lasting and most expensive metal for roofs copper is easy to cut and shape.