Roof Insulation Construction Details

The insulation can be adhered mechanically fixed or loose laid.

Roof insulation construction details.

The vapour control layer is above the decking but below the insulation. Load bearing or primary structure usually constructed in timber in a residential construction. In this case the insulation must lie directly on top of the ceiling. A warm flat roof or a built up roof bur is one where all the insulation is above the joists deck making them part of the warm fabric of the building.

And possible for good reason and that s why i am here. To get the details most relevant for your project contact us with your specific design build needs. Roof ceiling insulation insulation in roof ceiling constructions must be placed in direct contact with the infiltration barrier. Most details show a second layer of sheathing on top of foam then the roofing material.

My concept should yield about an r52. In residential wood frame construction this involves installing rigid insulation between the roof shingles and the roof plywood or osb. Roof insulation systems applications. The insulation is immediately below the waterproofing layer.

Our in house technical department is available to help provide accurate design and construction details for insulfoam products. View the complete roofing manual for all product details. Roof deck providing the base for the waterproof membrane and in some cases the insulation. In most cases the attic is ventilated and the infiltration barrier is the drywall ceiling.