9 apply a second coat of primer and similar let the primer dry overnight.
Roof tile stain.
If you decide to try it apply it shortly after you ve cleaned the roof.
Spray forget revolutionary roof cleaner concentrate removes stains caused by algae mold and mildew.
But there are other roof stain colors and causes.
However where we have seen white effloresence staining on clay tile roofs such as the mexican clay tile roof photographed below i have not seen a notable correlation with remaining clay tile roof life.
The behr multi surface roof paint is a premium quality durable 100 acrylic latex flat finish.
The second method is to spray on a coating of stain blocking solution defy stain blocker for roofs is one product but there are other brands as well a stain blocking product can buy you up to three years of protection from algae.
This coating is mildew and algae resistant and will not discolor or yellow when exposed to typical high roof temperatures.
Prime the roof with masonry primer using a nylon paintbrush for textured roofs and tight spots and a foam roller for large flat areas.
It has excellent adhesion to various types of roofing materials and is tintable to match a variety of custom colors.
They are easy to apply long lasting and resistant to uv rays and changes in weather and temperature.
Great for outdoor use on asphalt shingles wood shingles slate shingles and clay tile shingles.
Reduce the absorption of water on the surface by up to 85 95.
As a water based system canyon tone stain can be used on interior surfaces as well as exterior.
As with the slate roofs discussed above white stains on tile roofs are typically an efflorescence deposit and may indicate that the tile is absorbing water thus nearing end of life.
This concentrated roof cleaner saves time with no rinsing required.
Contact united s technical service department for additional information.
Foundation armor manufactures several products that can be used to seal clay tile and concrete roofs.
Allow the primer to dry overnight.
Wear work gloves as you scrub this solution into the stains with a brush.
Canyon tone stain is used as a uniform color finish on precast and poured concrete glass fiber reinforced concrete brick stucco and stone surfaces.
Dark black or brown roof shingle stains are often caused by black algae bleed through or extractive bleeding of asphalt dirt soot or organic debris.
Remove dirt from the concrete tiles with a power washer.
This concentrated roof cleaner when mixed with water can cover 1000 2000 square feet.
Reduce leaks caused by surface water absorption.