Insulated Knee Wall Attic Access Door

Don t forget to verify that the r value of the roof insulation meets minimum code requirements.

Insulated knee wall attic access door.

The dwt knee wall access doors are new and highly energy efficient design. The e z hatch attic access door is an air tight high performance energy efficient attic access scuttle door. Attach the rigid foam insulation to the attic side of the door. Bring the attic inside insulating between the rafters simplifies the air sealing details.

R 10 rated 2 1 4 thick foam filled doors available. 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 2 5 8 thick sash fully filled with thermo insulating material provides an excellent barrier reducing heat loss r value 9 5. 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. The doors can be installed in two versions of opening right or left. The doors as standard are equipped with handle and finishing lining. 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.

1 3 8 thick foam filled door. You can buy knee wall doors that have built in insulation and weather stripping. Knee wall doors provide access through the knee walls to the unconditioned parts of the attic. Apply weather stripping to the door to create a seal.

From inside the attic check for any openings holes or fenestrations into the knee wall surrounding area. Energy star qualified r 5 rated knee wall door. Pre hung on an exterior grade 1 1 4 x 4 9 16 door frame with q lon weather stripping. Trim is pre installed for fast and easy installation.