This environmentally friendly method has become increasingly popular as no chemicals are required.
How to power wash a torch down roof.
You may want to use a pressure washer to clean your flat roof.
Always stand on a dry area of the roof as wet shingles can be very slippery.
This is my torch down technique hope you like it greetings.
I took mother nature half of a century to build the green moss on the tile roof and it took me 4 hours to get rid of it sad.
Constant maintenance is not required and moreover both moisture and heat effects can be prevented well for long.
Spraying water under your shingles can both tear off the shingles and force water under them and into your home.
4 mix the cleaning solution and fill the pressure washer s detergent dispenser.
Combine approximately 1 pound 455 kilograms of a non phosphate concentrated cleaner for every 4 gallons 15 4 liters of washing water.
Always safety first please.
I liked the green look but.
It is applied almost like paint so all you would need to is power wash your existing flat roof and apply another coat.
Its been about 10 years and still doing alright on original coat.
Pressure cleaning a roof when done properly using rotary cleaning equipment is safe cost effective and will not force water through or under tiles as the jet angle is controlled and always points away and down the roof rather than into or all over the place which is the case when blasting with a lance or wand is used.
Low roofs can be now easily lifted up to a certain height by means of the bitumen coats.
Modified bitumen can be used for creating the most durable roofing called torch down roofing.
Manually scrub any visible mildew from the surface you are power washing with a brush.
Gently clear any debris with a brush before any cleaning commences.
Never aim your pressure washer up the roof as it can push water under the shingles.
Torch down techniques and details.
Autumn is always a good time to clean your flat roof as this is the season when the leaves fall from the trees.