In fact most shingles are not designed to handle any type of protective coating.
Roof coatings over asphalt shingles.
Not surprisingly the national roofing contractors association nrca does not recommend any type of protective coating be applied to shingle roofs.
Vital coat 1 gal.
The white colored reflective elastomeric coating used was obviously not suitable for asphalt shingle roofs.
A specially formulated 100 acrylic coating specifically designed for use on asphalt shingles.
There are many types and formulations of roof coatings so it is important to always consult the shingle manufacturer before proceeding with any type of coating.
Simply clean all dirt mold and mildew off stir contents in can then roller on with 1 2 nap roller or use a hand pumped sprayer to apply our roof coating for asphalt shingles.
Clear matt 100 acrylic shingle shield roof coating for rejuvenating asphalt fiberglass and clay shingles 0 54 99 lanco 1 gal.
Arma strongly advises against the application of any type of field applied coating over installed asphalt shingles.
Its unique formulation provides excellent durability superior fade resistance and a smooth low sheen that resists cracking peeling and chipping while binding the shingles together to resist wind lift up.