Apply a generous amount of coating to the parapet walls and.
How to seal flat felt roof.
For older felt roofing a patch of torched on roofing with add an additional layer and fix the damage.
Use a mixture of 1 qt.
If you have found issues with the flat roof then you need to repair them prior to applying flat roof sealant over the entire roof.
Cover the edges of the roof with strips of felt before laying out the final layer.
Of trisodium phosphate with 5 gallons of water in extreme cases to clean the roof.
If the old layer of felt roofing is in good enough condition then a liquid system repair can be applied.
Use the trowel and place some of the roofing cement over the area and spread it out six inches beyond the spot to repair.
Wait for the roof to dry before applying the coating.
Start at the edge of the roof deck.
It is imperative to fill the exposed membrane.
You can cover the surface of the felt with gravel for added strength.
Rubber and pvc coatings are newer products you can use to seal your roof from the elements.
The type of coating you choose for your roof will depend on your roof s existing condition and the kind of coating already on your roof.
You will follow the same process as in step 2 for the last layer.
A number of these products are available at rawlins paints.
8 cut in or outline the perimeter.
Clean your roof with a pressure washer or broom ensuring all the dust and dirt is removed.
As with most temporary flat roof repair work a paint on solution can fix leaks.
Apply another layer of adhesive to the top for maximum waterproofing.