You do not need to lay stones on the flat roof to protect the felt from uv light as the felt already has a mineral finish that protects it.
Replacing garage roof felt.
Overall we estimate that the average cost for a roof replacement in the uk will come in at around 5 000 to 6 000.
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.
To replace a small section of roofing felt involves stripping the tiles from the roof and replacing felt between two joists.
Removing and replacing the decking and you can expect the work to take around 7 or 8 hours.
Replacing a garage roof is a tough task but certainly manageable by an experienced diy enthusiast.
However there are a number of factors to consider when taking on this task so it may be in your best interest to hire a qualified tradesman such as a roofer.
Roofing felt is comprised of a base made from natural materials such as wood cellulose or synthetic ones such as fiberglass or polyester and then coated or saturated with a protective coating such as bitumen asphalt which repels water but still allows the product to breathe.
This video shows a typical flat roof replacement carried out by argyle roofing based in london uk.
We had a problem with our shed workshop flat felt roof leaking and needed a quick repair.
Instead of replacing the felt roof we decided to use a product call.
A double garage flat roof will take a day if you only replace the felt but with the decking too allow a day and a half.
For flat roofs you have a few options one being torch on bitumen felt which is.
However at the very cheapest end of the spectrum replacing the felt roof on a garage should only cost around 1 000 whereas replacing all the slate tiles on a large family home may cost as much as 12 000.
Metal roof sheets metal garage roof sheets are popular due to their ability to withstand extreme weather conditions affordability and ability to withstand high temperatures.
A single garage roof without decking will take about 4 hours.
Beginning with the removal of the old roofing felt this.
This will cost around 460 510 made up of.