Welcome to the Therma-Dome product support area.

Here you can find product documentation, installation and maintenance instructions, and tips for properly installing and using Therma-Dome products.


General Usage of Therma-Dome Products


"Versa-Dome" Pull-Down Attic Stair Cover

Lift-Off Configuration
Assembly and Installation video

Watch this video to learn how to install the Versa-Dome cover in the "Traditional" Lift-Off Configuration, in which the entire cover lifts off for unobstructed access (no trip hazard) to the attic for storage or maintenance.

Insulation Dam Configuration
Assembly and Installation video

Watch this video to learn how to install the Versa-Dome in the Insulation Dam Configuration, wherein the four sidewalls remain fixed to the attic floor (to act as an insulation dam, holding back loose-fill insulation from falling through the attic access opening) and only the lid lifts off for attic access.

Note: The first four minutes of each video above is the same. The difference in assembly methods occurs during the last portion of the installation.


"Legacy" R-13 Pull-Down Attic Stair Cover

Traditional ("Legacy") Therma-Dome Pull-Down Attic Stair Cover
Assembly and Installation Video

Watch this video to learn how to assemble and install your
Therma-Dome Pull-Down Attic Stair Cover (R-13 version)