After reading all of the information on this page you are in a much better position to make an informed decision.
How much to re felt my roof.
This correction factor will take into account the greater area of the roof due to the pitch.
Where wind driven rain is working under the roof and causing leaks then the felt will need to be replaced.
The cost of replacing your roof will depend on the age and condition that it s in but generally speaking the cost of a new roof on an average property is around 5 500.
Multiply the total area determined in step one by a correction factor to account for the roof pitch.
This will tell you how much roofing felt you need to lay.
There are some key factors to consider when determining the cost of re roofing a house including the following.
The cost of re roofing a bungalow and the cost of re roofing a semi detached house will have different costs because of scaffolding etc.
Nearly all roof leaks are much the same and are as a result of similar kinds of problems.
The size of your roof the size and type of materials you use.
This will cost around 460 510 made up of.
To replace a small section of roofing felt involves stripping the tiles from the roof and replacing felt between two joists.
Examples of these are.
Blown or missing shingles irrespective of the material they re manufactured from roof shingles are susceptible to lifting up as a result of high gusts of wind lightweight materials are affected by this compared to heavier ones however even heavy shingles.
In any case these are all the most common re roofing needs.
If your roof pitch is 3 12 or 4 12 multiply by 1 25.
Single garage roof replacement of boards and roofing felt including lead flashing.
Lee gainsborough to give you an idea of materials cost so you can work out what your contractor is charging for labour i have just completely replaced my large 3m x 12m garage extension roof.
Also you will need to remove any old felt on the roof as well as any nails or roof staples.
For roof pitches of 5 12 to 7 12 use a factor of 1 3.