Flat Roof Deck Material
The key is in the word flat.
Flat roof deck material. 6 roofing materials for flat roofs 1. What s the difference between a regular roof and a flat roof and why does it require different material. The alternating of a waterproof material with hot tar which is then ballasted by a layer of river stone. Get free shipping on qualified roofing or buy online pick up in store today in the building materials department.
A roof deck is a flat walking deck built above an occupied living space or a roof deck that extends out over an outdoor living space. Ft that is currently covered with tar and gravel. What is a roof deck. A roof deck supports the roof elements but does not provide complete protection.
This flat roofing dominates the market because it s affordable and strong. Most roof decks leak because they are typically made of flat roofing materials that were created over a century ago and were not designed for use as roofing for residential homes and living areas. Applying gacodeck adds the waterproofing layer to a roof deck. Epdm and neoprene roof seams are fastened by adhesive and pvc roof seams are heat or solvent welded.
Compared to older roofing systems epdm weighs lighter. The traditional hot tar and gravel roof build up requires multiple steps. 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. They can be partially loose laid and held down with river rock ballast requires roof structure to support the weight or fully adhered to the roof deck.
Ethylene propylene diene monomer epdm epdm is classified as rubber roofing. Another reason is the original design flaw implemented by architects and or builders who have no experience in flat roofing and do not have. Pros and cons for flat roof materials all three types of flat roofing cost 250 to 350 per square 100 square feet but prices vary according to region and size of the roof. It was installed 12 years ago when this section of the house was added over the garage and some first story rooms.
The flat roof portion now has a leak mostly at one end that has gone through to the dry wall ceiling in the garage below. The thickness of plywood used for roof decking depends on the roof slope the spacing of rafters and the weight of other material to be put over the decking as well as the design load the. Membrane roofs are attached in a variety of ways. This lightness eliminates the need for owners to use reinforcement for their roof decks.