Deck Over Flat Roof Garage
The sleepers aren t fastened in place and the floor floats.
Deck over flat roof garage. The roof must be able to support 55 pounds per square foot at a minimum. A deck atop your garage may well save money compared to a deck build separate from your garage. Of roof decking costs 800 2 800 to install depending on the material you choose. On average 300 sq ft.
Unfortunately many homeowners who have a flat deck roof have to deal with frequent leaks. Depending on the roofing system you put down if you choose a rubber membrane with seams arrange your deck so nothing is covering the seams and weakening them. Whenever i install decking over a roof i make sure the framing is structurally sound and properly pitched to drain water. Building a deck over a flat roof is very similar to building a deck over a concrete patio.
We are having a local contractor apply ib shield tan over our flat top roof above garage to use as a deck floor. These decks are often referred to as floating as they are not secured in place as a stand alone structure. This is usually because low quality leak prone decking materials such as epdm rubber are used often in an effort to save money. Before installing a roof deck you must be certain the roof is stable and weatherproofed.
Otherwise one idea is to put another piece of material over your roof where you are placing the deck supports to help protect. Since most roof decks are floating structures that sit on top of flat roofs it s crucial to weatherproof the roof below the deck to prevent water from seeping into the home. See how one asphaltic tar over concrete roof deck was transformed into an attractive low maintenance roof deck in case history 156 roof deck renovation washington dc. We are primarily installing two ply modified bitumen flat roofing systems.
First you must make sure the roof is strong enough to support 55 lbs per square foot. The garage is over 10 years old so the contractor will be installing a board or required product underneath it to protect it. And while we poked a little fun at the missing 4th flat roof on the article from the this old house website we are big fans of this old house too. They are merely placed on top of another structure.
What s even better is the fact that building a deck over the roof could save you money as opposed to building one that s separate from the garage. If your garage has a flat roof or if you re planning to build a garage that s next to your home but below the level of the main floor it s entirely possible to build a deck on your garage roof. When we do install wood decks over the flat roofs we ensure they are floating so that there is no punture or penetration of the rubber membrane.