Please explain how to air-seal an attic. D.M. Portage A. The recommended minimum "R-factor" (a measure of insulation's resistance to heat flow) for attics in most of Michigan is R-49.

Next, add weatherstripping around the entire rim of the attic hatch door if it’s not already there. Finally, attach a piece of rigid foam board cut to size and attach to the attic side of the hatch.

Don’t forget the attic hatch or access door—adding weatherstripping around its edges will help prevent heat transfer and increase energy savings. Quick Checklist for Air Sealing: Look for gaps ...

The part of the new energy code that requires weatherstripping at the attic access hatch is section R402.2.4, which says "Access doors from conditioned spaces to unconditioned spaces (e.g., attics ...

I will elaborate on those and offer some guidance on proper insulation and ventilation techniques for your garage attic. Attic hatch in garage ceiling an issue – Winnipeg Free Press ...

As our HVAC experts explain, leaky or open attic doors could be allowing warm air into your space, forcing your air conditioner to work harder, driving up your energy bills, and reducing the lifespan ...

(MONEY Magazine) -- You don't have to invest thousands in high-tech insulation or a super-efficient furnace to cut home heating costs. Just sealing drafts could lower your bills 3% to 18% ...

Learn how to keep your energy bill down by insulating and sealing leaks in your attic in this week's Rethink Energy. Get Newsletter. Home About About Us Contact Newsroom ...

Air sealing is the practice of using expanding foam to seal up cracks, crevices and connections where walls, plumbing stacks, electrical wires and chimneys penetrate the attic.