Bleach On Asphalt Roof

I have some roof shingle mold mildew and was going to try jay j s suggestion of 1 cup bleach to 1 gallon water but was concerned that the bleach would damage the asphalt aspect of the shingles.

Bleach on asphalt roof.

Chlorine bleach also dries out a shingle roof causing curling and ultimately shortening asphalt roof shingles life. Algae mold mildew moss and dirt are often attracted to shingles. Plus chlorine bleach is a corrosive agent that can damage metal roof flashings gutters and downspouts. Bleach can effectively clean roof shingles and remove even the toughest stains.

Bleach runoff may void your termite warranty roof cleaner qse does not contain bleach or chlorine chemicals. But here s the kicker. And the runoff harms plants. The most effective method of cleaning algae and moss from a roof is with a 50 50 mix of laundry strength liquid chlorine bleach and water.

Bleach may kill the top layer of algae and lighten the stains but it doesn t kill the underlying. Your shingles are made of a fiberglass mat that is covered with protective oils tar and asphalt. Apply with a sprayer and allow the solution to dwell on the roof surface for 15 to 20 minutes and then rinse thoroughly with low pressure water. Bleach runoff may void your termite warranty roof cleaner qse does not contain bleach or chlorine chemicals.

The diluted bleach cleans most effectively when applied with a pump sprayer and left on the shingles for 15 to 20 minutes. Chlorine bleach also dries out a shingle roof causing curling and ultimately shortening asphalt roof shingles life. After spraying the roof with the mixture allow it to sit on the surface for 15 to 20 minutes before rinsing thoroughly with clean water. It can lighten the color of your roof and bleach anything the overspray contacts.

This is the best way to clean a roof if you have asphalt shingles. Chlorine bleach tsp chemical combination can kill plants and the phosphates hurt the environment. Remove moss from the roof a layer of green moss might look cozy and rustic atop your house but it can be bad news for your roof. Chlorine bleach tsp chemical combination can kill plants and the phosphates hurt the environment.

It is this very oil tar and asphalt which protect your shingles from the elements. Ignore your landscape and surrounding areas which can be harmed by the bleach solution. A solution of equal parts bleach and water safely cleans asphalt shingles according to the asphalt roofing manufacturers association. The reason you shouldn t use bleach to remove moss from your roof has to do with the composition of your shingles.

Follow these three straightforward steps to clean off all.