Removal of old chips/gravel from a flat roof and re-cover with 1 layer of hyperformance torch on felt. This carries a 5 year guarantee.

Stripping off all felt to the timber and applying 3 layers of hyperformance torch on felt carries a manufacturers guarantee of 10 years.

As above but with 5 layers which includes coolag™ insulation boards which come in different sizes. This carries a 10 year guarantee.