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.
Resin flat roof cost.
Lead bay roofs are even more expensive starting from 300 per m2.
A flat roofing system with a 40 year guarantee will consist of an extra 3 layers.
You can order a range of different flat roofing kits from resin library.
This extra layer will cost between 10 and 15 per square metre.
Material cost below you ll find a list of the materials required to replace a single garage flat roof along with prices.
Additional costs for grp flat roofing with longer guarantees.
Rubber roofs costs start from 80 per m2.
Flat roof coatings will cost between 0 15 to 2 00 per square foot for materials and an additional 0 50 to 3 00 per square foot for labor as broken down in the cost per square foot section above.
It is an ideal surface to apply glass fibre laminate and allows for a smooth flat finish with.
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.
Osb 3 timber decking.
This price is for a coating over a pre existing roof system such as a rubber membrane or metal roof.
Why does the guarantee impact on the cost.
Sometimes two layers are installed if the intention is to use the flat roof as a terrace.
Flat roof cost per square metre.
For fibreglass expect to pay from 90 per m2 and for fire glass bay roof from 250 per square metre.