x 6 in. I plan to install the register boots in drywall, and cover them with standard 10" x 6" register covers. Duct losses to outdoors. Measure the length you need for the supply duct. Each register should have its own damper that can be accessed for adjustment. The boot can be fastened to other ducts, including ceiling and wall units, using a nail and screw. 90-Degree Register Box The Master Flow 10 in. This is necessary (the keeping the duct snug, not nessarily the tie) if your ducting is going to be pulling away from the boot due to gravitational stresses - such as when the boot is above the duct and the duct can be pulled down, such as along a wall or below a ceiling or floor. Adding heat runs in a basement may change the airflow in the ductwork going to other rooms. A.k.a ,what the hell am I talking about. to 6 in. x 4 in. A straight register boot or PH1 is a major component of an excellent ductwork system. One of these things is wrapping the register boots (endpoints) in insulation. Expect to spend about 20 minutes or less installing register boots. x 4 in. Displaced insulation. 4. It … Install fittings (register boot) by nailing into the sub floor at each end of the boot opening. The reason for this is to supposedly reduce the condensation leaking outside the boot … Install dampers at the registers to adjust airflow. If those dampers can’t be accessed from below, you’ll want to install them close enough to the register so that you can reach them through the register opening. This box is made of galvanized steel. When you put a duct and a duct boot in the cavity, you don't have room for insulation. Note: Use a power nut driver to drive self-tapping sheet metal screws. Drop Ceiling Installation 1. 90°Register Box creates a right-angle transition from round pipe or insulated flexible duct to an air register. I'm talking about HVAC baby.I'm talking about the metal "ducts" that bring hot and cold air to your basement and the rest of your house.. 3. … If the walls are framed with 2x4s, there's often not enough space even for a little bit of duct insulation. x 4 in. I've seen registers with this insulation already installed, but he mentions that batted insulation is fine. Most homes have wall insulation in the cavities, not outside the framing. This “bottlenecked” the air flow, as well as created turbulence due to the change of shape in the duct, further reducing the effective air flow. Install the ceiling register boot (Image 1) so you will know how long to cut the supply duct. Background on Register Extensions. Registers is just the fancy way of saying "those metal grates that cover the hole in the floor where your heating and air conditioning come from." 90°Register The Master Flow 10 in. Since the duct work is already in the wall all that needs to be done is to lower the height of the feed duct to floor height. In the past, I have installed T-shaped register boots with elliptical ductwork, and those register boots had built-in flanges that made it easy to screw the front of the boot to the drywall. Determine the location of the outlet. x 6 in. 10 in. Changing The Location Of Your Heating Duct Registers. 6. Locate both the wall studs and the ceiling joints 2. The duct shown in Exhibit 3 (right) was a 10-inch radius duct, however the blown insulation from above compressed the duct to less than 7 inches as it approached the boot. Center it between the joist and screw into place with self-tapping screws. Trace the rectangular fitting of the opening onto the ceiling. To do this you will need to purchase some pre-made sheet metal duct work that is sized to fit in a wall void and then cut the old duct and extend it to the floor.