Use a paint scraper or a putty knife to scrape away loose paint.
Paintimg old metal roof.
Apply the primer with a roller using a paint brush to access.
Remove patches of rust if you find them.
Removing the old paint 1.
I used acrymax from preservation products.
The first step in painting any metal roof is determining what substrate and existing coatings you are dealing with.
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.
There are several different types of metals used in roofing applications.
Galvanized roofs require the use of a different paint than what is used on terne metal.
Welcome to painted rusted roofing western states metal roofing is the leader in painted metal roofing products that look old and weathered.
The first was their basic coating hp 1000 followed by two coats of hp 5000.
Choose a product designed for use on outdoor metal applications.
Wash the roof with a power.
A topcoat doesn t eliminate the need for a good primer the topcoat seals your paint but the primer makes the paint adhere properly.
There is no other company in the industry that has an equal color selection or authenticity of paint prints.
Coat the entire metal roof surface with a rust inhibiting primer.
In fact even after painting a metal roof it is necessary to perform a cleanup washing down the roof with a mixture of bleach liquid detergents and water at least once every six months.
I used three coats.
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.
Painted metal roofs come with a baked on factory finish and you can re coat these as well.
As you scrape away old paint you ll get a close look at your entire roof.
For a new and unpainted roof allow it to weather for six months before painting it.
Oil based alkyd paint may also be used with an appropriate galvanized metal primer.
Terne is best painted with an oil based paint.
How to paint a galvanized metal roof with sherwin williams roof preparation.
We have stunning colors that actually look like real patina d metal.
Type of paint to use.
Acrylic latex paint is a good choice for bare metal roofs and to go over old paint.
Press the scraper or knife firmly against the paint.