How To Secure R15 Insulation To Roof Deck

A recent mckinsey co.

How to secure r15 insulation to roof deck.

Position the fastening plates over the insulation board. July 2011 fine homebuilding s article about roof venting included a method for insulating cathedral ceilinged roofs with 6 of rigid foam topped with plywood sheathing and conventional shingles. Insert 3 inch galvanized screws through the fastening plates. Insert a plate every 2 square feet of insulation board.

The ratio of insulation above the roof deck or air permeable insulation below the roof deck is a matter of climate and interior conditions. If i want to use three 2 sheets of xps covered with plywood how do i attach the foam plywood sandwich to the 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. Fiberglass insulation hangers for under roof deck david johnson posted in green building techniques on may 14 2012 02 12am i m having trouble finding fasteners for hanging fiberglass insulation from sprayed on polyurethane foam in a conditioned attic conversion application.

The platform needs to be covered with a moisture resistant material before the deck is stacked on the platform. Insulation must secure properly to the roof deck to provide an acceptable substrate for the roof covering. Owens corning insulation products help improve thermal performance and control moisture in commercial institutional and. Insulation above the roof deck or air vapor impermeable insulation below the roof deck is needed for condensation control in an unvented roof.

I have a roof deck of 2x6 t g on a post and beam constructed roof. Foamular xps roof insulation for commercial buildings page 5 foamular xps roof insulation for commercial buildings foamular xps insulation is a rigid foam insulation which meets the needs of today s design professionals for a truly sustainable insulation product. We ve seen it multiple ways. And fiberglass batts strapped to the roof deck are a bad idea 100 of the time.

Position the foam board between the rafters and push it upward until it fits snugly against the underside of the roof deck. Tectum roof deck should be unloaded and stored on the site on a stacking platform. Use a drill to drive. Mechanical fastening with self tapping screws and plates is the most common and approved method for insulation attachment on steel and wood roof decks.

The platform is to be raised at least six inches from the ground or floor level.