However given the nature of flat roof repair costs it can sometimes make sense to replace the entire roof.
How much to refelt a flat roof uk.
Double garage flat roof cost 900 vat to upgrade to a three layer flat roof system add 150 vat to the cost of a single garage and 250 vat to the cost of a double garage.
When all of this is taken into consideration the average cost for a roof that s approximately 1 5m larger than a double garage roof should be between 975 and 1 500 with prices in london around 500 more.
If they are expect an additional cost of 40 per board fitted.
Basic felt solutions cost around 50 per square metre for the material itself and more high end materials such as modern grp a form of fibreglass going up to 90 per square metre.
Single garage flat roof cost 550 vat below is our guide price for a typical felted double garage this is again for a two layer system.
How to refelt a flat roof.
Most homeowners in the uk spend between 2200 and 7200 on replacing the roof.
Roof felt is impermeable to water and if adequate ventilation is not available then condensation can build up on the underside of the felt.
This condensation can then drop onto the attic floor causing damp to appear on ceilings.
Where can you get a quote.
When installing any type of roof laying down the felt underlayment is always one of the first steps.
The cost of a roof replacement will depend on the size of the roof and the location of the property.
In the 1980s breatheable membranes were introduced as a replacement for roofing felt.
We would suggest a price of between 100 and 150 for a small patch repair to a bitumen felted flat roof that has a tear we assume that the decking or underlying roof structure isn t damaged.
These are the factors that can increase new roof prices.
Flat roof extensions cost from 700 lowest possible and can reach up to 3 000.
A modern felt roof or built up felt roof otherwise known as a torch on flat roof.
A roof replacement cost uk is approximately 5500.
We hope you found our detailed guide to flat roof prices insightful.
Putting down felt on a flat roof is.
This reduces the condensation.
Roof replacement cost uk.
I charge 50 60 per m2 square metre if the boards underneath are not damaged.
Average cost to replace a flat roof this type of job normally takes around 2 3 days to complete 1000 how much does it cost to replace a flat roof.