RX:
To prepare shingle roof surface for sealing, first clean, removing all moss dirt and algae, using a low pressure directed water spray. Next, spray "Dr. Shields Canadian Roof Armor,” using an airless paint sprayer with a 5-17 tip. Keep sealer with sprayer on the ground, using a 100' hose and extension wand for easiest application. Best applied in temperatures above 15 degrees. Best applied before sunset. Approx. 1-3 hrs drying time. The hotter the temperature the faster the drying time. One coat is all that is recommended with a spread rate of approx. 600 ft2 per 5 gallon bucket.
The Great Canadian Roof Doctor Inc. has no control over the variables involved during the application of Dr. Shields Canadian Roof Armor when sold to the public. Therefore, the results of the application cannot and will not be guaranteed. However if you follow our recommendations we expect that you will have the same results.
When Dr. Shields Canadian Roof Amor is applied by The Great Canadian Roof Doctor Inc. you will receive a 10 year weatherproofing warranty, unless stated otherwise. We have cleaned and sealed more then 1,000 roofs making the process efficient and easier for you, should you decide to hire us.