On average 300 sq ft.
Sf cost to build a flat roof over a deck.
The average cost for a patio roof addition using low maintenance wood patterned aluminum runs for about 6 000 to 10 000 for an area of 20 by 20 feet as of 2011.
Include 40 to 50 for supporting posts and concrete and an additional 2 60 per square foot for flat asphalt roof covering.
Adding a wood lattice roof can range between 500 and 10 000.
The average cost of building a deck is about 20 50 per square foot and most spend 4 000 to 12 000 to build one.
Labor is one of the smallest portions of the cost to build a truss 1 roof.
The cost to build a 200 square foot covered porch ranges from 4 600 to 22 000 or 10 500 on average you can expect to pay 23 to 110 per square foot the total includes flooring steps posts railing roofing and more.
Of roof decking costs 800 2 800 to install depending on the material you choose.
Cost to build pergola or roof over deck.
Unfortunately many homeowners who have a flat deck roof have to deal with frequent leaks.
There are several things to consider when establishing a budget for your project to help get a more precise estimate.
The average price to build a roof over your deck or add pergola framing is between 0 70 and 1 30 sqft.
A screen can be added for an additional cost of 3 000 to 4 000.