When the roofing company you hire tears off your existing roof and then puts on an entirely new roof.
How to tear off and replace a roof.
Remove the old shingles with tear off shovels.
Estimating your new roofing system can include various factors like repairs framing strengthening mold removal repairs around skylights sheathing soffits and replacement of flashings.
Loosen the shingles all along the eaves.
Thus at the mid point of the above price range you can expect to pay.
The tear off method is exactly what it sounds like.
It needs to be stated that not all roofs are made the same and not all roofers charge the same prices.
Asphalt shingle roof debris disposal costs to load and haul away old materials installation waste and associated debris.
This may be a necessary step depending on how many layers of existing roof there are.
Clean the roof with a push broom and remove or pound in any remaining fasteners.
Old roofings with fasteners and screws which are hardened or rusted might require a pry bar to loosen the material within.
Dump the removed material into the shovel.
Tear off of old roof.
By now you have some idea about the average cost to tear off and replace roof but now is the time to dig deper.
An overlay roof occurs when keep your existing roof as is choosing instead to shingle on top of it.
Get rid of the fasteners nails or staples on the old roof using pry bars.
Roof with asphalt shingles on a 2 story roof with chimney.
Straight off the bat.
Average cost to have roofing replaced is about 5 250 10 500 replacing a 1 500 sq ft.
Sweep area clean of all nails staples.
That said on average most contractors will charge between 3 50 and 5 50 per square foot or 350 to 550 per square 100 sq ft to install or replace an asphalt shingle roof on a typical house.
If you need to have an existing roof removed prior to installation expect to pay an additional 100 150 per square to have the existing shingles removed.
It doesn t matter where you start or stop.
Work the remaining courses loose with a fork or tear off shovel but don t pry them completely free or they ll slide off the roof.
Work from the top bottom and sides to save back muscles.
Tear off roof remove existing roofing material roof paper vent jacks and flashing and gutters if needed.
The national average cost to replace a roof is 7 211 with most homeowners spending between 4 707 and 10 460 roof installation cost ranges from 400 to 550 per square depending on the roof size and materials used in reroofing.
