The plywood was fastened through the rigid foam to the rafters with long screws.
Rigid insulation installation on roof.
Many homes in more urban areas or other places with dense populations are opting for this method because they can better optimize space.
Eps is also the most inexpensive of the three types of rigid foam insulation while also meeting the required building and energy codes.
Start at the bottom of the roof and place the first piece of rigid foam insulation against the metal flashing starting at the center line.
Nail it around the edges with roofing nails.
Install rigid insulation board in multiple layers with joints offset vertically and.
One way to limit this is to keep the sheathing warm by adding a layer of rigid foam insulation.
After installing several layers of rigid foam above the roof sheathing these workers installed plywood above the rigid foam.
Apply continuous air control membrane to existing roof sheathing or implement continuous air control at roof sheathing.
Eps is by far the most versatile of the three rigid insulation options.
Scope remove existing roofing and non adhered underlayment to expose roof sheathing.
It can be applied on the roof floor and walls and it s most widely used in structural insulated panels and insulated concrete forms.
This type of insulated roof assembly limits thermal bridging through rafters.