The 2 5 8 thick sash fully filled with thermo insulating material provides an excellent barrier reducing heat loss r value 9 5.
Insulated knee wall attic access door.
Apply weather stripping to the door to create a seal.
R 10 rated 2 1 4 thick foam filled doors available.
Energy star qualified r 5 rated knee wall door.
Knee wall doors provide access through the knee walls to the unconditioned parts of the attic.
From inside the attic check for any openings holes or fenestrations into the knee wall surrounding area.
You can buy knee wall doors that have built in insulation and weather stripping.
Attach the rigid foam insulation to the attic side of the door.
1 3 8 thick foam filled door.
Don t forget to verify that the r value of the roof insulation meets minimum code requirements.
It is r 42 or r 50 insulated triple gasketed pre finished and fits in a 22 x 30 rough opening.
The dwt knee wall access doors are new and highly energy efficient design.
If the door doesn t have these weather strip it to provide a tight seal and make sure the latch pulls tightly against the frame.
Pre hung on an exterior grade 1 1 4 x 4 9 16 door frame with q lon weather stripping.
Center bored for either right or left hand swing.
Once you have the materials you can begin to seal and insulate the knee wall access door through these steps.
Now that the kneewall is located within the home s thermal enclosure it s no longer necessary to air seal electrical boxes or access doors in the kneewall.
The e z hatch attic access door is an air tight high performance energy efficient attic access scuttle door.
The doors as standard are equipped with handle and finishing lining.
The doors can be installed in two versions of opening right or left.
Use spray foam to air seal these openings if they exist.