The shingles themselves might hold up but trapped moisture can still damage the wooden sheathing under them and create leaks.
Painting asphalt roof shingles.
Roof shingles can be painted with acrylic exterior paints specifically designed to be used on asphalt shingles.
Furthermore asphalt shingles consist of granules that detach over time which can lead to blotchy areas on the painted surface.
Allow the shingles to dry.
Painted shingles have to be re painted every six years or so due to wear they re more susceptible to moisture damage.
The roof is directly exposed to the elements so it is much more prone to damage than the rest of the house.
Avoid elastomeric waterproofing paint which is known to trap moisture in shingles encouraging the growth of mold and algae which contribute to rot.
This product is designed for residential asphalt shingle roofs with a pitch.
It is possible to paint asphalt shingles but many professionals recommend against it.
Lighter colors tend to deflect excessive heat off the roof.
Pour 2 to 3 gallons.
How to paint an asphalt shingle roof step 1.
Your roof might look fresh one day then look different after a decent and prolonged rainy night.
Your choice of paint color can influence the insulation that your roof is providing.
Climb on the roof with an extension ladder.
3 4 inch nap roller theoretical coverage.
The manufacturer recommends two 2 coats.
Second a high quality acrylic elastomeric coating is the most useful for asphalt shingle roof painting.
Don t use glossy or sheen oriented acrylic elastomeric finishes.
This way you will get a nice even coat on your shingles and you won t face any problems during the process.
Even a roof with metal or asphalt shingles is at risk for rot.
Wash the shingles with a pressure washer set on low to prevent damaging the shingles.
The majority of experts advise against painting roof shingles however because of the issues that can arise.
Have someone aid you in the process to ensure your safety.
People who are not well versed with roofing will think that painting roofs are purely aesthetic in nature but in reality this can help extend the lifespan of your shingles and your roof in general.
The one thing that you need to make sure of before starting your painting though is that your roof is completely clean and free of any debris or mold and in good condition.
First asphalt shingle roofs use granules that detach over time.