Attic Duct Boot Pictures
Most supply boots here in my area are insulated.
Attic duct boot pictures. I will use a combination of doors and windows great stuff and the normal expanding great stuff. They are usually the same size as the loop duct. This way there is no infiltration at this point. Attic ducts buried in cellulose cz5a cz6a.
Also they are detail oriented the clean up and rodent proofing work were completed with care. Because my roof was a 3 12 pitch the attic space is real cramped and the supply ducting filled it up leaving little room for the return ducting. Btw they offer 5 year warranty on their work. They helped us replace air ducts and boots on the attic install a new furnace flue pipe bubble wrap the furnace plenum box seal all joints well.
I made a foam mock up of the inside of the duct starting with a base and 19 round. Even if the duct and boot have some insulation these components are rarely sealed. The foam does have an advantage in that while the boots are being foamed one can also seal the joint between the boot and where the boot is mounted ceiling wall floor. Wooden house with metal roof attic air duct balcony rain gutter.
Wooden house with metal roof attic air duct balcony roof gutter duct specialist installing air vent system. I ve searched the forum and it looks like i do not have insulated boots and when i went up to the attic today i noticed the boot was cold to the touch and had a small draft coming from where the boot meets the sheetrock of the ceiling. Supply duct system locations decisions regarding the location of a supply air dis tribution system should be made based on the. The point about testing expansion is a good point to consider.
If the walls are framed with 2x4s there s often not enough space even for a little bit of duct insulation. Ventilation specialist assembling air duct pipe system in attic of new construction of residential building male contractor binding ventilation pipes with duct tape. Either duct wrap the boots or foam them. Size duct the loop is fed by four or more ducts radiating out from the central plenum.
They did a good job and the charge was reasonable. Duct losses to outdoors. The best solution was to make a custom return duct boot filter holder. Air sealing all the ducts and air handler connections and seams and air sealing all the duct boots to the ceiling gypsum and any other penetrations is a critical first step prior to adding any insulation.
The boot boxes are sized to deliver the proper cfm to each room of the structure. The following pictures show the process. As most of the duct installs here are in the attic with insulated boots it then becomes the hole where the boot pentrates the ceiling that becomes the dewpoint concern. Oversized cuts for boots that are not mastic sealed.
Pictures of the roof vents turbine vents and attic from both the interior and. Only older heating only systems have uninsulated boots.