Rooftop fungus that can leave dark stains on roofing.
Roofing nails and staples driven into decks at angles not parallel to the deck.
Metal flashing used at chimney fronts.
Asphalt Roofing Manufacturers Association. Organization of roofing manufacturers.
A bituminous waterproofing agent used in various types of roofing materials.
Asphalt Concrete Primer
Asphalt based primer used to prepare concrete and metal for asphalt sealant.
Asphalt Plastic Cement
Asphalt based sealant material, meeting ASTM D4586 Type I or II. Used to seal and adhere roofing materials. Also called mastic, blackjack, roof tar, bull.
The American Society for Testing and Materials. Organization that sets standards for a wide variety of materials, including roofing.