Walk your roof before applying any roofing to see if there are any weak points.
How to replace a porch flat roof.
Measure 12 inches from the bottom of the level and mark the spot on your house.
Any leftover dirt gravel and water in the area can prevent the repair material from bonding to the roof.
Built up flat roof replacement.
A built up flat roof bur is made up of tar and gravel.
But severely damaged shingles should be replaced with new ones.
Built up flat roofs are very sturdy.
Cracks in the shingles allow water to penetrate the roof and cause it to leak.
Small cracks in the shingles can be repaired through the use of a sealant.
For many people the built up roof is what comes to mind when they think of flat roofs.
This video shows a typical flat roof replacement carried out by argyle roofing based in london uk.
Torch down roofing is another roof replacement option.
If you are removing the roof demolish at the top of the porch.
On a ladder tall enough to reach the end of your roof put the level against the house parallel to the ground where the roof meets the house.
To clear the roof use a tough broom.
Expect to pay between 5000 and 6000 or 5 to 10 per square foot on average for flat roof replacement.
Staple it to the roof decking or nail it with plastic capped roofing nails.
Lay felt paper onto the roof overlapping the existing paper to get good coverage.
Always clean up any areas you wish to repair.
In addition sweeping the area clear gives you a better view of the damage.
Beginning with the removal of the old roofing felt this.
If you are keeping the existing roof begin demolishing the porch from the ground and work up to the roof.
Flat roof replacement prices.
Find the cracked shingles and pry them with a flat pry bar to expose the underside.
This is the number needed for the pitch calculation.
Once you repair the hole in the roof plywood you need to seal up the seams and recover the roof.
Cover the seams between the old and new decking with bitumen tape.
However it is much more difficult and dangerous due to the.
Flat roof repairs can cost as little as 300 or up as much as 1000 to 2000 depending on the number of leaks needing repair.
If there are any areas that are rotting.
Sweep away water and debris from the damaged area.