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.
Attic access hatch seal.
Here in canada our minimum attic insulation requirement is r 40 that s a metric u value of 0 142 if you re in europe or actually using the units we re supposed to be in canada.
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.
If your hatch rests directly on the moldings like ours did add 2 1 2 in wide stops around the.
If your hatch rests directly on the moldings add 2 1 2 inch wide stops around the opening.
Before installing the attic access hatch you will want to insulate the backside of it before putting everything in place.
The insulation and sealing opportunities created through attic access covers are unparalleled compared to more do it yourself solutions.
The stops provide a wider surface for attaching the weatherstrip and a space to mount hook and eye fasteners.
The insulating material helps reduce heat transfer between the floor below and the attic.
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.
To fix this energy nosebleed the hatch needs thicker insulation good weatherstripping and tight latches.
Ever wonder how much your attic entrance costs you each month in your cooling and heating bills.
Some builders make their attic access hatches out of sip scraps.
Once installed the attic access cover creates a tight seal around the hatch.
Sealing the attic hatch or door.
Finish up by sealing the access hatch with self sticking weather stripping.