Cedar shingles or shakes.
Roof cost on a 800 sq ft house.
Roofing over costs around 2 to 3 per square foot as opposed to the average full replacement cost of 4 50 so roofing over a 1 500 square foot roof may only cost 3 000 to 4 500.
An asphalt shingle roof which costs 300 to 700 per square installed.
13 600 to 23 800 roof frame requires reinforcement natural slate tiles.
Tpo or pvc membrane.
You can now determine the new roof cost for the materials by multiplying the number of squares by the cost per square.
Roofing over does present some issues however.
Many homes have an asphalt shingle roof but some have wood metal tile and slate which can be more expensive.
The average cost for a new metal roof is 11 000 with most homeowners spending between 7 858 and 14 412 depending on the size and slope or roof and the materials chosen.
The average price range of metal roofing is 600 to 1 200 per square installed vs.
So if you determine that you have 800 square feet to cover you need 8 squares.
Average total costs of common roof systems for homes.
The cost can be more for larger homes homes with complex roof designs or when installing more expensive materials.