Before attaching the register to the ceiling, pull the flexible duct down a couple of inches and insert the end of the register boot into its open end. Her education includes marketing and a bachelor's degree in journalism from the University of Kansas. The weakest link is the connectors at the take offs and jack boots. Just Home Décor: What is a Floor Register? Depending on how the HVAC crew cut the register hole and how big the hole is, the screws might insert through a metal rim around the end of the duct, a wall stud or drywall. © Copyright 2020 Hearst Communications, Inc. Zedcor Wholly Owned/PhotoObjects.net/Getty Images. The only difference is that you’ll have to drill a couple of holes on the sides in order to attach the register with screws. Most of the time, wall registers come with a couple of screws, but if not, pick up the size recommended on the package. Ceiling registers, sometimes called diffusers, can be square, rectangular or round. Floor registers are quick to install and do not need screws to hold them in place. I just zip the insulation and now you have me thinking about taping that for more support. Remove an existing register and measure the rough opening. The flex definately does not fit the "torpedo" stile register boot. Room registers cover the openings of the ducts that run from your home’s heating, ventilation and air conditioning (HVAC) unit to each individual room. For metal ductwork, ceiling registers install just like wall registers.

Would crimping the register boot disrupt the air flow bad enough that this would not be advised. Standard sizes range from 2 to 6 inches wide and 8 to 24 inches long. The underside of the register features a “boot” that slips into the duct opening. You should tape the flex (plastic liner) to the boot after putting on the panduit strap. Don't forget to prelube with mastic and use a tie strap over the liner then the insulation jacket.

Wall registers are similar to floor registers, but most need screws to keep them from slipping out of the wall.

My question is, since the flex duct is the same diameter as the register boot, how to a fit the flex over the register boot? Before attaching the register to the ceiling, pull the flexible duct down a couple of inches and insert the end of the register boot into its open end. Use the thin clamp that came with the register to secure the duct around the boot. I am running a 5 inch duct run using flex duct (type F090) to a register boot. take a niddle nose pliers and grab the end of the duct about 2" down 1/4 turn the edge all the way around and that will narrow it down to accept the 5" now to attatch it....wrap the end with one full around lenght of duct tape.slip the flex on ,and again the full around duct tape then zip screw it into the duct.if it was insulated you then would pull the insulation over the screws and duct tape that.....the key … Because most wall registers are at least 4 inches wide, you can install a floor register in this space. Slip the new register into place with the vent louvers angled toward the center of the room. http://www.youtube.com/watch?v=U1qEZHhJubY, http://www.lowes.com/lowes/lkn?action=productDetail&productId=25198-273-HC5VS, VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada.