R38 Roof Insulation

8 bags model k91 view the owens corning attic insulation.

R38 roof insulation.

A recent mckinsey co. Wall insulation whenever exterior siding is removed on an. 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. Johns manville is committed to providing the high quality products resources guidance and on demand support you need on the job.

Benefits of energyguard polyiso roof insulation include. Drill holes in the sheathing and blow insulation into the empty wall cavity before installing the new siding and. Johns manville s residential insulation products help maintain energy efficiency and lower heating and cooling costs making homes more comfortable year round. Owens corning insulation products help improve thermal performance and control moisture in commercial institutional and.

R values like r 38 are used by the construction industry to describe the thermal resistance of insulation materials like those used to insulate your attic when you are looking at an r 38 insulation you are actually reading a description of its resistance rather than size or thickness of the material. Owens corning r 38 ecotouch pink cathedral ceiling kraft faced fiberglass insulation batt 23 3 4 in. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. 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.

Excellent lttr value compared to any other fm class 1 rated products of equivalent thickness. 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. Ceiling joists are the horizontal boards that span the width of the house resting on the outer wall plates and possibly on. Insulation is designed to eliminate r value loss caused by compressing standard r 38 products in 2x12 cathedral ceiling construction.