Image Step 5. Install sheathing tape flashing over the duct or pipe and wood blocking on either side for later attachment of trim.
Image Boot has been covered with insulation and sealed with mastic Publication Date Fri, 10/28/2011 - 12:00
Image Wrong: This exhaust fan duct is too long and terminates in the attic instead of going through the roof and it is improperly supported; it needs straps all along its length to prevent sagging.
Image A second layer of rigid insulation is installed over the 2 in. by 4 in. retaining strip Publication Date Wed, 10/08/2014 - 12:00
Image The inner liner of the flex duct is fastened to the collar with a tension tie, the connection is sealed with mastic, then the outer layer is pulled over and sealed with mastic or foil tape (Steven Winter Associates 2013).
Image Right- This flue pipe has been air sealed with sheet metal and fire-rated caulk and an insulation dam has been constructed to keep insulation from touching the hot flue pipe
Image Right - The energy recovery ventilator ducts supply filtered outside air to multiple locations in the home and continuously exhaust stale air to provide clean, balanced ventilation.
Image Cavity used for return is not insulated and is not air sealed, which will pull in air from outside
Image Wrong: open wall cavity connected to this return air plenum is allowing cellulose attic insulation to be pulled into the furnace Publication Date Sun, 06/01/2014 - 12:00
Image The attic is sealed and insulated along the underside of the roof deck with 5.5 inches of polyurethane spray foam, providing conditioned space for the HVAC system.
Image Rigid foam insulates the interior of masonry walls behind the fireplace in this Building America home by Castle and Cooke in Winter Garden, Florida. Publication Date Thu, 09/01/2011 - 12:00
Image Right - The precast insulated concrete walls of the basement provide a conditioned space for the high-efficiency (18 SEER, 9.5 HSPF) air-source heat pump, with its variable-speed fan, five-stage compressor, and MERV 11 filter.
Image After securing the inner coil, cover the draw band and the seam with a generous amount of mastic
Image Hand tools for cutting fiber board sheets include a knife, straight edge, and color-coded edge-cutting tools
Image Right - Open-cell polyurethane spray foam to R-28 on underside of roof turns new attic into conditioned space for HVAC.
