Recessed duct fans are sized to fit either a 4 x 10 in.
Duct to connect to floor duct.
Another option is an in line fan that you can install in the duct line.
The simplest is a fan unit that sits on top of the register.
Tape around the edges.
These pieces are connected to distribute air throughout the house.
Use plastic ties placed every few feet to attach the entire length of the duct to the bottom of the floor joists.
The duct work is made of pieces of sheet metal that are either round or rectangular.
Floor ducts are located at the end of the duct work used to supply air to a room.
How to bring heat to the floor in a basement.
Find duct transitions connectors at lowe s today.
Or 4 x 12 in.
The ducts typically come in rectangular shapes and are attached to the bottom of the.
Jack rise spoke about how he tested a duct and measured a 2 wc change in static when he altered a duct from sagging to properly strapped.
Seal the new flex duct to the new box with plastic ties keeping the connection between the duct and the box as tight as possible.
3 don t use temporary tape also called duct tape to connect the flex duct inner liner to the metal takeoff elbow or register boot.
How to install floor ducts.
Running a duct from the first floor to the second involves creating a hole in the main duct and attaching new duct work that terminates in a floor level heat register on the second floor.
In retrofit applications many companies focus on sealing connections but they often don t truly address sagging ducts with proper strapping.
To ensure proper connections minimize leaks and maximize efficiency it is important to understand how to properly connect the duct work.
The allowable amount of sag is only 1 2 per 4 of.
4 use mastic at every joint metal to metal and metal to plastic.
Tape around the edges as.
Add additional hangers as needed.
This keeps the duct up and away from the ground.
Nail the other end.
Homeowners expanding their existing first floor duct work to the second floor need more space than walls typically provide so they must cut a hole in the.
Forget floor insulation run a quick duct line and enjoy your space.
When the main ducting is complete you can run the flex duct to each room s supply vent.
Attach the flex duct to the duct board with a duct connector and a zip tie.