In this "Energy Smart Details" article, FHB senior editor Martin Holladay describes the best way to approach building an unvented, superinsulated roof. Holladay says that one of the best ways to insulated any roof is with rigid foam on top of the roof sheathing. The foam choices include expanded polystyrene, extruded polystyrene, and polyisocyanurate. Be sure to attach the foam to the sheathing with long screws. This article includes a cross-section diagram outlining the details for building ...
In this "Energy Smart Details" article, FHB senior editor Martin Holladay describes the best way to approach building an unvented, superinsulated roof. Holladay says that one of the best ways to insulated any roof is with rigid foam on top of the roof sheathing. The foam choices include expanded polystyrene, extruded polystyrene, and polyisocyanurate. Be sure to attach the foam to the sheathing with long screws. This article includes a cross-section diagram outlining the details for building ...
