Attach the flex duct to the duct board with a duct connector and a zip tie.
Duct to connect to floor duct.
Another option is an in line fan that you can install in the duct line.
When the main ducting is complete you can run the flex duct to each room s supply vent.
To ensure proper connections minimize leaks and maximize efficiency it is important to understand how to properly connect the duct work.
In retrofit applications many companies focus on sealing connections but they often don t truly address sagging ducts with proper strapping.
Add additional hangers as needed.
The duct work is made of pieces of sheet metal that are either round or rectangular.
Recessed duct fans are sized to fit either a 4 x 10 in.
There are three types of boosters.
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.
The simplest is a fan unit that sits on top of the register.
Nail the other end.
Find duct transitions connectors at lowe s today.
Tape around the edges.
Or 4 x 12 in.
Floor ducts are located at the end of the duct work used to supply air to a room.
These pieces are connected to distribute air throughout the house.
Connect remaining sections of the duct board with duct connectors or collars.
This keeps the duct up and away from the ground.
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.
The allowable amount of sag is only 1 2 per 4 of.
Use plastic ties placed every few feet to attach the entire length of the duct to the bottom of the floor joists.
4 use mastic at every joint metal to metal and metal to plastic.
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.
How to bring heat to the floor in a basement.
The third type shown here is a recessed fan that fits into the duct and is flush with the floor.
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.
Tape around the edges as.