Ever wonder how much your attic entrance costs you each month in your cooling and heating bills.
Attic access hatch seal.
The insulating material helps reduce heat transfer between the floor below and the attic.
Before installing the attic access hatch you will want to insulate the backside of it before putting everything in place.
Fine homebuilding as this thermal image shows poorly detailed attic access hatches leak a lot of heat.
The newest version of energy star v3 requires.
We are going to show you step by step in less than 2 and 1.
The stops provide a wider surface for attaching the weatherstrip and a space to mount hook and eye fasteners.
If your hatch rests directly on the moldings like ours did add 2 1 2 in wide stops around the.
Sealing the attic hatch or door.
Some builders make their attic access hatches out of sip scraps.
Once installed the attic access cover creates a tight seal around the hatch.
The insulation and sealing opportunities created through attic access covers are unparalleled compared to more do it yourself solutions.
To fix this energy nosebleed the hatch needs thicker insulation good weatherstripping and tight latches.
Every attic access hatch needs weatherstripping.
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.
5 3 2 attic access panels and drop down stairs equipped with a durable r 10 or greater insulated cover that is gasketed i e not caulked to produce continuous air seal when occupant is not accessing the attic unfortunately they list some of the items i listed above in the what not to.
If your hatch rests directly on the moldings add 2 1 2 inch wide stops around the opening.
When you re done sealing your attic bypasses push the insulation back into place with an old broom handle or stick as you back out of the attic.