Some folks on one of the philippines expat forums noted that although thin the insulation was pretty effective.
Foil roof insulation philippines.
Holes are drilled in the purlins and the tie wire in threaded through the purlins.
Glasswool insulation rockwool insulation elastomeric closed cell polyofelin insulation polyehylene foam insulation reflective aluminum bubble insulation.
The holes are positioned so as to leave a 1 2 air space between the foil and the underside of the roofing.
The insulation foil face up is supported by a network of 16 gauge galvanized tie wire.
5 16 nominal thickness of foil bubble insulation highly reflective foil facing acts as 100 vapor barrier dimension 1 meter w x 50.
Bubble insulation roofing insulation excellent radiant barrier for heat problem provides maximum efficiency and highest r value for bubble insulation.