A far more common method is to use firring strips which are battens cut at an angle and placed on top of the roof joists.
How to replace a flat roof uk.
Replace a leaking extension.
Unfortunately a flat roof replacement on an extension costs more.
However given the nature of flat roof repair costs it can sometimes make sense to replace the entire roof.
Before we begin sometimes the mere mention of a flat roof sends a homeowner into a spin.
Diy temporary asphalt roof repair this is often a paint on fix from a tin or heat applied flashing tape as seen in the video about repairing lead in the felt roof repair section.
I ve had customers spend 15 times the cost of replacing an old flat roof converting it to a pitch roof to save the cost of replacing it in another 20 years time.
Permanent flat roof repair this can either be a small patch of torched on roofing felt or a layer on top of the asphalt roof and carried out relatively.
Many of them include caulk for sealing cracks as well as patches for treating larger areas of damage on the roof membrane.
Another possibility is to cut a fall into the roof insulation something several businesses now offer it s often referred to as tapered insulation.
If patching an extension roof is not viable then it would be worth paying for a new flat roof installation.
Getting a kit means you don t have to hunt down the individual components you need for a repair.