How To Seal A Flat Roof Deck

The builder put down rubber roofing and decking on top which leaked in a few spots on the ceiling underneath.

How to seal a flat roof deck.

The drainage system flashing details and waterproofing membrane that go over the structural deck are the key to success. Any dirt and debris will keep your waterproofing sealer from sticking to the lumber. Leaks in wooden roofs are commonly caused by a gap between the panels which move during expansion and contraction. The coating becomes an integral part of the surface and provides the necessary protection against the elements.

A roof deck supports the roof elements but does not provide complete protection. Step 1 clean the deck. For a gap of 1 inch or less caulking or sealant is the best method of repair. On my own home we recently did a flat roof deck on the balcony off the master bedroom.

Gacodeck coatings provide an added measure of safety with slip resistant granules. Measure the roof each way. The key is in the word flat. See instructions for details.

Multiply the width by the length to determine the square footage of the roof deck. Step 2 fill a caulking gun with a watertight polyurethane or oil based sealant and hold it at an angle to insert the product directly into the gap. When a roof is flat it actually will have a very slight slope water is going to spend a lot more time in one place giving it more time to find a way underneath the roof. What s the difference between a regular roof and a flat roof and why does it require different material.

Step 3 apply sealer. Cut the pieces12 inches longer. Step 4 remove excess sealer. For each roof mount fan owens corning roofing requires 600 square inches of.

The most common approach is to use a heavy gauge epdm membrane typically 60 mil as the roofing membrane usually placed over rigid insulation. Materials and application 1. Applying gacodeck adds the waterproofing layer to a roof deck. Apply a uniform coat of primer onto.

For each gable mount fan owens corning roofing requires 890 square inches of intake. It is critical to have the right amount of intake ventilation and to adequately seal the attic floor to prevent pulling air from conditioned space. Ames contouring roof fabric. Make sure it s free of all dirt and debris.

Cut pieces of the self sticking rolled mesh underlay to length with a utility knife.