Therefore care does need to be taken if you choose this solution to clean your flat roof.
How to clean a sarnafil roof.
The other option is sodium hydroxide.
Optionally add cup 177 5 ml of a non ammonia heavy cleaner such as tsp trisodium phosphate for extra cleaning power.
It is not to be used as a general membrane cleaner.
Bleach is caustic to the roof and plants.
Soak a clean white cloth with sarnafil t clean and then clean the membrane tool or metal sheet.
The cloths should be changed frequently to avoid the spreading of dirt.
That day we actually went out to work on 3 roof repair service calls two of them for a rubber roof repair and the last one to fix a leak in a 20 years old sarnafil pvc roof.
Depending on the degree of soiling the subjected area should be cleaned first with water brush or cleaning pad.
Equally as effective it can take a little longer to complete as the method requires more intensive rinsing as a chlorine solution.
Speaking of pressure washers it s best that you take care of dirt and dust on your roof with a low pressure washer.
A home cleaner can be made with a quart 95 l of standard laundry bleach and a gallon 3 8 l of water.
Sarnafil pvc roof repair needham ma fall 2009.
The repair of this pvc roof took place in november of 2009.
Seam cleaner is used during the installation of sika s roofing and waterproofing membranes in the seam overlap only.
Be sure all water entry points such as base flashings and low clearance curbs are protected before using a pressure washer on your property.
It is also used to clean metal and reactivate existing liquid flashing prior to the application of sika s liquid flashing.