How To Seal Flat Felt Roof

Cover the edges of the roof with strips of felt before laying out the final layer.

How to seal flat felt roof.

Use the trowel and place some of the roofing cement over the area and spread it out six inches beyond the spot to repair. 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. Stage a container of elastomeric roof coating near one side of the roof opposite of the roof access. Homeowners no longer need to use tar with toxic fumes to seal their flat roofs.

If the old layer of felt roofing is in good enough condition then a liquid system repair can be applied. Apply a generous amount of coating to the parapet walls and. Wait for the roof to dry before applying the coating. For older felt roofing a patch of torched on roofing with add an additional layer and fix the damage.

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. It is imperative to fill the exposed membrane. Mix the liquid rubber roof coating in a 5 gallon bucket per the instructions supplied by the manufacturer using an electric power drill and a mixer attachment. You will follow the same process as in step 2 for the last layer.

Apply another layer of adhesive to the top for maximum waterproofing. Rubber and pvc coatings are newer products you can use to seal your roof from the elements. Start at the edge of the roof deck. A number of these products are available at rawlins paints.

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. Use a mixture of 1 qt.