Materials To Wrap Plenum In Attic

These are materials that have been tested to the requirements of astm e 136.

Materials to wrap plenum in attic.

Holes in the top of your attic i e. 1 4 inch thick 6 4 mm wood structural panels. Attic ventilation is very simple. 3 8 inch 9 5 mm particleboard.

3 8 inch 9 5 mm gypsum board. This is a small house about 1100 sq. Fibrous glass duct wrap insulations are flexible resilient light density blankets of glass fibers factory laminated to vapor retarder facings. Radiant barrier will reduce the heat getting in but you still need good airflow to help carry the heat out.

The attic is vented on both ends by gable vents and has two vents also in the roof itself. The foam plastic insulation is protected against ignition using one of the following ignition barrier materials. In last week s blog i discussed the practice of burying attic ducts in deep insulation since burying ducts is simply one of several ways to address the energy waste associated with the decision to locate ducts in a vented unconditioned attic it s worth taking a fresh look at all of the possible solutions to the attic duct problem. 1 4 inch 6 4 mm hardboard.

These products are easily cut and fitted to achieve a neat thermally effective insulation blanket over the exteriors of rectangular round oval or irregularly shaped ducts. In an unvented attic this moisture must have a way to get dried up or roof panel issues may result. But powered vents are a great idea what i am trying to do is see if it is ok if i attach foam board to the sheet metal boxes that the return and the ducts attach to. Materials classified as noncombustible in the ibc are used to construct the plenum.

Wind turbines static vents or attic fans which consequently we do not recommend and holes in the bottom of your attic usually in the.