R38 Roof Insulation

Owens corning r 38 ecotouch pink cathedral ceiling kraft faced fiberglass insulation batt 23 3 4 in.

R38 roof insulation.

10 thick r 38c ecotouch thermal batt insulation prevents moisture damage and help assure long roof life by providing 1 of ventilation air space between the insulation and roof deck. Improved insulation is a good step toward improving building efficiency particularly since the atlanta based american society of heating refrigerating and air conditioning engineers ashrae increased minimum roof insulation levels in 2007 in its standard 90 1 the first increase in 18 years and if that isn t enough to spur someone into action. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Johns manville s residential insulation products help maintain energy efficiency and lower heating and cooling costs making homes more comfortable year round.

Excellent lttr value compared to any other fm class 1 rated products of equivalent thickness. 8 bags model k91 view the owens corning attic insulation. Ceiling joists are the horizontal boards that span the width of the house resting on the outer wall plates and possibly on. Drill holes in the sheathing and blow insulation into the empty wall cavity before installing the new siding and.

Wall insulation whenever exterior siding is removed on an. Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces. Insulation is designed to eliminate r value loss caused by compressing standard r 38 products in 2x12 cathedral ceiling construction. Fm approved subject to the conditions of approval as a roof insulation when installed as shown in the current edition of the factory mutual research approvals guide.

Johns manville is committed to providing the high quality products resources guidance and on demand support you need on the job. Owens corning insulation products help improve thermal performance and control moisture in commercial institutional and. Benefits of energyguard polyiso roof insulation include. A recent mckinsey co.