How To Clean Moss Off Asbestos Roof

At keeping it clean we ve seen just about everything when it comes to roofs and moss removal and we can tell you upfront that using bleach on.

How to clean moss off asbestos roof.

There are many ways to remove moss that tends to grow in shaded areas. Although not an hse approved cleaning method steam offers several advantages over the use of closed box pressure washing for cleaning asbestos roofs. After all moss is removed paint entire roof with an acrylic based waterproofing paint to seal roof. So will detergent another common moss removal myth.

I have an asbestos corrugated garage roof approximately 2 4m by 6 5m. The first stage to cleaning should therefore be to wet down the roof and scrape off any weed or moss growth which should be placed into designated asbestos waste bags. Firstly spray the roof with moss killer. When applying roof cleaning products onto a roof on a hot sunny day it will quickly evaporate and you won t get the desired result.

Scrape off the moss. The roof has started to leak in a few places mainly where the roof butts up against the main wall of the house. Once the moss has been thoroughly eradicated from the roof take steps to keep moss from returning. When proper precautions are taken to reduce the chance of workers stepping off safety platforms and contamination prevention methods are in place steam is very useful.

Most roof cleaning products require at least 20 minutes for it to absorb into the moss. Climb up to the roof and begin scraping off dead moss from the shingles using a putty knife or painter s 5 in 1 tool and working from the bottom up. The roof has considerable moss growing on it and because my house is pebble dashed there are lots of stone pebbles scattered along the roof edging. What you don t hear about though is the damage that bleach can do and the long term effects of using bleach to remove moss from your roof.

Use the tool to gently lift away matted moss that has gathered on the flat sections of the shingles. Several coats will make roof sheets much smoother and therefore eliminate moss growth in the future. Then after a couple of days use stiff broom to remove all dead moss.