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Roof Insulation

Installing Astro-Foil on Roofs

New construction

1. Starting at one end of the roofing framework, measure the length across the trusses, adding enough to allow hang at both ends. Cut the first piece and lay in place.

2. Pull tight from both ends and attach to trusses and purlins using self-tapping screws and washers or with pressure sensitive aluminum tape. DO NOT USE DUCT TAPE. Follow taping instructions found on page 6. DO NOT USE MECHANICAL PULLERS TO TIGHTEN INSULATION. It is natural for Astro-Foil to sag slightly. This will not be noticeable from the inside of the building following installation.

3. Cut the second length, laying parallel to first. Make sure to butt or slightly overlap edges. Tape ALL seams.

4. Roof sheeting can be applied in the conventional manner as soon as there is sufficient insulation in place to accommodate sheeting width. When welding the roof deck to the trusses and purlins through the Astro-Foil, it is suggested that you use Astro-E for minimal effect on the weld.

An alternative taping approach is to combine it with the installation of the roofdecking. After the first piece of insulation is installed, fold the open end back over the top of the roof deck. Butt the second length of insulation to the edge and tape. Then fold the second piece back over the roof trusses and continue to install the deck.

Retrofit Applications

5. Measure the first length per Step #1. Secure to wall plate per Step #3 above, or Step #2, Page 2. Pull tight and secure to roof truss and purlins per Step #2 above. Continue adding additional insulation starting from the wall plate, laying parallel to prior piece. Tape all seems following recommended taping procedure.

Information Source: Innovative Energy