Why does the guarantee impact on the cost.
Resin flat roof cost.
The cost of this uplifting would come out at 12 and 20 extra per square metre when compared to 20 to 25 year flat roofing system.
Rubber roofs costs start from 80 per m2.
It is an ideal surface to apply glass fibre laminate and allows for a smooth flat finish with.
Osb 3 stands for orientated strand board flat roof grade decking of a minimum thickness of 18mm and dimensions 2400mm x 600mm is recommended.
One of resin then csm and then finally another layer of resin.
Resin and catalyst 200 00 vat tissue 30 00 vat topcoats 130 00 vat.
This price is for a coating over a pre existing roof system such as a rubber membrane or metal roof.
Additional costs for grp flat roofing with longer guarantees.
Material cost below you ll find a list of the materials required to replace a single garage flat roof along with prices.
If you want a longer guarantee then the contractor will need to install an additional coating of resin in order to warranty the roof for 30 years.
Flat roof cost per square metre.
Lead bay roofs are even more expensive starting from 300 per m2.
Flat roof prices start from 40 per m2 for felt roofs.
Osb 3 timber decking.
You can order a range of different flat roofing kits from resin library.
A flat roofing system with a 40 year guarantee will consist of an extra 3 layers.
Sometimes two layers are installed if the intention is to use the flat roof as a terrace.