Black Tar On Roof

Although these dark spots and ugly black streaks on your roof may look like dirt mildew soot or mold what they really are is algae.

Black tar on roof. While doing little harm to your shingles the black streaks caused by the algae are unsightly. Typically this material is a dark and oily mixture made from coal tar and petroleum byproducts. The most common type is known as gloeocapsa magma also known as blue green algae. Coal tar is a deep brown or black residue which is made during coal production process.

This algae growth usually begins as small spots and then eventually becomes visible streaks. Excessive and improper use of the sticky stuff however can leave behind unsightly stains on. Amazon s choice for roof tar. Removing this tar is the only way you re going to be able to make a long lasting repair that doesn t let the rain back in within a few months or years.

Sometimes the tar accidentally gets on objects or fabrics and the longer it sits there the harder it dries often making it difficult or challenging to remove it. Free shipping on your first order shipped by amazon. Coal tar must be refined and processed to meet standards for roofing use. It is made from coal tar and petroleum byproducts.

Read on to find out how to remove them. Roofing tar is a sticky black substance used to waterproof roofs before shingles are applied or used on flat roofs to improve their ability to resist water damage. Loctite 827579 black rf 140 roof and flashing sealant tube 10 oz. Tim asks how can i clean the black stains off my roof and keep them from coming back your stains are probably caused by the airborne spores of a blue green algae.

Roofing tar also called mastic or cement plays an important role in roofing repair and installation. Pros and cons of roofing tar. Loctite pl s30 black roof and flashing sealant 10 fluid ounce cartridge 1618181 4 7 out of 5 stars 323. Roofing tar is often used for tar and gravel roofs or to fix leaks on a roof.

Both durable and waterproof roofing tar is a versatile material.