Rigid Roof Insulation Panels

R panel is manufactured with a closed cell polyisocyanurate foam core bonded to fiberglass reinforced facers and designed for use over metal nailable and non nailable roof decks with a variety of membrane systems.

Rigid roof insulation panels.

Eps is also the most inexpensive of the three types of rigid foam insulation while also meeting the required building and energy codes. Insulated roof assemblies can be vented or unvented. Keep in mind that any interior rigid insulating panel must be covered by a barrier. There s a reason polyiso rigid foam insulation is used in more than 70 of commercial roof construction as well as in many residential builds.

Insulated foam sheets are also used as an insulated sheathing underlayment for exterior siding. A roof over a vented unconditioned attic does not need to include any insulation. The most versatile of the three rigid insulation options used in roof wall floor below grade structural geofoam applications used most widely in insulated concrete forms and structural insulated panels highest average r value per dollar about 4 6 r per inch costs the least while meeting or exceeding all required building. The panels provide a continuous energy efficient surface.

Eps is by far the most versatile of the three rigid insulation options. It can be applied on the roof floor and walls and it s most widely used in structural insulated panels and insulated concrete forms. How to retrofit a roof to a high performance roof with insulating sheathing above the roof deck plus cavity insulation in roof framing remove existing roofing and non adhered roof underlayment. A common choice is drywall.

Polyiso is an easy cost effective sustainable and energy efficient construction material. R tech rigid foam insulation. Follow with a 2x4 frame wall and insulate it with batt insulation. However most cathedral ceilings and low slope flat roofs are insulated roof assemblies.

Johns manville r panel rigid roof insulation board offers r values of up to r 23 6 providing high thermal efficiency. R tech is available with factory adhered metallic reflective facers white facers or a combination of the two. Apply a continuous air control membrane to existing roof sheathing or tape all joints between roof sheathing panels with an acrylic or butyl adhesive.