Laying Green Insulation

Insulation must be spaced properly, because spacing provides a proper substrate for the roof membrane. You should always try to avoid large gaps, because gaps can cause the membrane to bridge which may result in sagging or ridging. Large gaps also allow membranes to become vulnerable to punctures. You can butt boards together so that no gap is larger than a quarter of an inch. Net you will fit insulation board around the perimeter with minimum space between board and penetration. If you must cut the insulation board, cut them no smaller than two feet by two feet.

Installing multiple layers of green insulation requires staggering joints as much as possible. This reduces thermal stresses on the roof system and prevents thermal loss.