Floating Deck Over Flat Roof Cost

The average price to build a roof over your deck or add pergola framing is between 0 70 and 1 30 sqft.

Floating deck over flat roof cost.

They are merely placed on top of another structure. 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 surface and into the structure. Include 40 to 50 for supporting posts and concrete and an additional 2 60 per square foot for flat asphalt roof covering. First you must make sure the roof is strong enough to support 55 lbs per square foot.

Building a deck over a flat roof is very similar to building a deck over a concrete patio. That means there are 4 slopes leading the rain or melted snow water to the drain. Most modern flat top roofs are sealed with a single ply rubber membrane that is meant to protect the roof from leaks and water damage. At the highest end of the price range is 80 mil pvc membrane.

No matter the reason the keys to a long lasting deck above a living space are the same. So if your roofing deck is 300 sq ft. I am also planning to make a deck on my flat roof but i have some questions. A reliable roof membrane and details that minimize any damage to the roof from the deck loads.

How much will a roof deck cost you. When installed properly as a floating deck a deck can sit on the roofing membrane. I tore everything up replaced the wood that needed it and built up the base and covered everything in epdm. You are looking to spend about 900 1 200 per 100 square feet installed.

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. The thing is that the roof draining is through a hole in the center of the roof. The rubber roofing i ve been using for 15 years a glue down 60 mil epdm membrane from. These decks are often referred to as floating as they are not secured in place as a stand alone structure.

Lets look at the numbers. Rood deck construction costs. Average deck cost is 700 900 per 100 sq ft. You will pay 2 100 2 700 total.

I am taking a 25x25 roof over a garage that was done in decking then tile and leaked. Roof deck would be as follows. So i will not be able to put the sleepers parallel to the slope. I like rubber roofing for this combined with a floating deck floor.

Pvc deck cost per square foot is 9 12. Hi thanks for the interesting blog. Considering that all things are equal preparation work old roof removal substrate repairs cost of building a floating deck etc the breakdown for a typical 24 9 or 216 sq ft. So rather than a roofing material like shingles that simply lets water run down it you need a roofing.

The key is in the word flat. Another option is a manual deck cover which costs 500 to 1 500 or 1 700 and up for a motorized cover. We are primarily installing two ply modified bitumen flat roofing systems.