Bleach On Asphalt Roof

A solution of equal parts bleach and water safely cleans asphalt shingles according to the asphalt roofing manufacturers association.

Bleach on asphalt roof.

The diluted bleach cleans most effectively when applied with a pump sprayer and left on the shingles for 15 to 20 minutes. Plus chlorine bleach is a corrosive agent that can damage metal roof flashings gutters and downspouts. 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. Chlorine bleach also dries out a shingle roof causing curling and ultimately shortening asphalt roof shingles life.

Chlorine bleach tsp chemical combination can kill plants and the phosphates hurt the environment. Your shingles are made of a fiberglass mat that is covered with protective oils tar and asphalt. Bleach can effectively clean roof shingles and remove even the toughest stains. Algae mold mildew moss and dirt are often attracted to shingles.

But here s the kicker. Keeping roof shingles clean will not only enhance the overall look of your home but can also. Ignore your landscape and surrounding areas which can be harmed by the bleach solution. Chlorine bleach tsp chemical combination can kill plants and the phosphates hurt the environment.

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. The reason you shouldn t use bleach to remove moss from your roof has to do with the composition of your shingles. Bleach runoff may void your termite warranty roof cleaner qse does not contain bleach or chlorine chemicals. This is the best way to clean a roof if you have asphalt shingles.

Bleach runoff may void your termite warranty roof cleaner qse does not contain bleach or chlorine chemicals. 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. Roof shingles can become dirty and stained over time. Chlorine bleach also dries out a shingle roof causing curling and ultimately shortening asphalt roof shingles life.

And the runoff harms plants. 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. 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 may kill the top layer of algae and lighten the stains but it doesn t kill the underlying.

It can lighten the color of your roof and bleach anything the overspray contacts.