how do you connect duct

How to Connect Round Ducts

• Step 1: Crimp One End Select standard duct pieces for the connection that have crimped and uncrimped ends. ...
• Step 2: Insert Duct Into Next Piece Insert the crimped end of the round duct into the uncrimped end of the next round duct. ...
• Step 3: Tape the Seams Tape the seam of the duct connection with foil tape. ...
• Step 4: Screw the Pieces Together

Full Answer

How to correctly assemble duct work?

Assemble the metal ducting like a zipper. When assembling pipe, start at one end and work the seam together like a zipper. Use one hand to keep the two edges close and the other to apply downward pressure. Use your leg, a workbench or the ground to support the back side of the pipe.

How to install ductwork?

The basic plan of the ceiling duct is similar to the basement plan:

• Run the main duct as straight as possible through the house.
• Ventilate the smaller ducts to separate the ventilation openings.
• Provide an efficient duct to return the “used” air to the heating system.
• Cooling unit most systems today use round flexible ducts because they are insulated and easy to install.

How to join metal ductwork?

Joining metal ductwork in your home is done through attaching metal-to-metal joints called slips and drives, and fastening them with drive cleats and self-drilling, sheet metal, hex-head screws. Residential ducting is a combination of rectangular and round channels with adjustable elbows. Measurement and cutting is done on-site.

How to relocate ductwork to knock down a wall?

How to relocate ductwork to knock down a wall. Find a location or spot for the grill. It can be on the face of a different wall or it can also be at the ceiling. You can use the rigid duct’s square tip as your guide for marking the hole in the wall finish or ceiling. Use a reciprocating saw for cutting the hole.

How do you connect duct pipe together?

0:091:23How-To Assemble Snap Lock Pipe - The Duct Shop - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo once you feel one side collapse in you're going to prep put pressure on that side with your bodyMoreSo once you feel one side collapse in you're going to prep put pressure on that side with your body and then guide the rest end. Until you hear it snap.

How do you connect duct work to vent?

0:191:28Installing Round HVAC Duct correclty with conceptual install in 90 secondsYouTubeStart of suggested clipEnd of suggested clipTo come through this duct. This way and then we want the next piece of duct it to be inside that wayMoreTo come through this duct. This way and then we want the next piece of duct it to be inside that way we're not laughing the opposite way if our airflow is going this way. And we have it lapped.

How are heating ducts connected?

Ducts are connected together with s-cleats or drive clips and best sealed with foil tape. Duct tape can be used as well, but the heat will eventually wear duct tape down and make it brittle. The foil tape is actually an adhesive strip of thin aluminum so it will not break down over time.

Can I install my own ductwork?

And to save you from wondering and thinking more and more, ductwork can be possibly done on your own, but it is highly advisable to seek professional HVAC work for your Duct Installation. Ductwork runs throughout the whole house, which makes DIY repairs harder than you thought.

Can I replace ductwork myself?

Ductwork: Choose Your Installer Wisely It is possible to install HVAC ductwork yourself, but it will require research and willingness to pay attention to detail. Be sure to educate yourself on the intricacies of the work so that you can be sure that you do not inhibit the airflow.

How do you fix a disconnected air duct?

0:173:31Home Air Ducts - How to repair holes & gaps - YouTubeYouTubeStart of suggested clipEnd of suggested clipFirst I'll apply a layer of sealing. And then a patch of cloth. And more sealant on top. That's theMoreFirst I'll apply a layer of sealing. And then a patch of cloth. And more sealant on top. That's the whole repair. And you don't have to do much more than this it dries really.

How do you install heating ducts yourself?

2:254:02DIY Ductwork Installation - YouTubeYouTubeStart of suggested clipEnd of suggested clipSimply put on your S cleat. Insert the S into the cleat and push all the way in put your driveMoreSimply put on your S cleat. Insert the S into the cleat and push all the way in put your drive cleats on the side repeat on the other side and push the tabs. Over.

How are duct elbows attached?

0:171:50How to install duct elbow onto a register can or box for ... - YouTubeYouTubeStart of suggested clipEnd of suggested clipInside of inside of a sealing box. Same deal as far as the way the flange. Is supposed to go. SoMoreInside of inside of a sealing box. Same deal as far as the way the flange. Is supposed to go. So ever connecting to a piece of duct. It's over there and it's supplying air from this way inside.

How do I add a vent to a round duct?

0:436:37How-To Install a 45 Degree Saddle Tap on Round Duct - The Duct ShopYouTubeStart of suggested clipEnd of suggested clipSo to cut these into a piece of round 5 what you're going to want to do is Center it in the spotMoreSo to cut these into a piece of round 5 what you're going to want to do is Center it in the spot where you need it you're going to take your marker. You're going to trace the inside of this.

How are duct elbows attached?

0:171:50How to install duct elbow onto a register can or box for ... - YouTubeYouTubeStart of suggested clipEnd of suggested clipInside of inside of a sealing box. Same deal as far as the way the flange. Is supposed to go. SoMoreInside of inside of a sealing box. Same deal as far as the way the flange. Is supposed to go. So ever connecting to a piece of duct. It's over there and it's supplying air from this way inside.

How do you tap into an existing flexible ductwork?

1:514:48How-To install flex to a tap - YouTubeYouTubeStart of suggested clipEnd of suggested clipIt it just likes to slip right off you can easily just put a pan do it on it and get your pan do itMoreIt it just likes to slip right off you can easily just put a pan do it on it and get your pan do it gun. You know tying it down it's a lot easier than messing with the tape.

Why put ductwork together?

By putting your ductwork together carefully you are not only saving yourself from a lot of repairs later on down the road, but you are also making your home more efficient. If you are installing ductwork in your home it's always so important to read the instruction manual that comes with it. Here are procedural tips:

What is HVAC ductwork?

Ducts are the channels through which air moves through your house to bring you heat in the winter, and cooling air in the summer.

What is ductwork made of?

Duct is commonly made of pieces of sheet metal and is either rounded or rectangular. If you are working with ductwork in your home it's important to know how to connect ductwork for maximizing efficiency.

How to prevent heat loss when ducting?

Ensure proper insulation. When you weave your ducting through unconventional spaces like attics and crawl spaces you are susceptible to inadequate insulation which will result in heat loss. Guard against this with proper planning.

Which is better, square or round duct?

Round duct is probably more efficient in delivering the proper climate, but it's not always as practical to install as rectangular HVAC ductwork. Squared edges are easier to fit in the desired spaces.

Can you use duct tape to seal a duct?

Ducts are connected together with s-cleats or drive clips and best sealed with foil tape. Duct tape can be used as well, but the heat will eventually wear duct tape down and make it brittle. The foil tape is actually an adhesive strip of thin aluminum so it will not break down over time.

Can ductwork be undersized?

Be careful to avoid getting ductwork that is undersized. This can create both noise and inefficiencies.

How to match rectangular ductwork?

Match successive pieces of rectangular duct by placing its two half-sections on the floor with the "S-hook" ends up. Pick up one piece, and slide it into the second along the edge channels located on both.

Where to start ductwork for forced air furnace?

Begin rectangular ductwork at the plenum. This is the large rectangular box attached to your forced air furnace. Measure and mark the opening to the plenum into which your first rectangular piece, the takeoff, will slide.

How to connect a rectangular section?

Connect assembled rectangular sections by inserting the plain end into the S-hooks on the long edges of the next piece. Slide drive cleats through the U-channels on the short edges. Bend the ends of the drive cleats over the duct to finish the joint. Seal the finished joint with mastic.

How to attach a 6-foot board to a sawhorse?

Suspend a 6-foot long 2-by-4 board between your sawhorses or portable work benches. Slide one end of the board through your rectangular piece of duct. Rest both ends of the board back on the sawhorses or benches. Position the connected edge channels flat on the edge of the board. Hammer the seams tight with your ball-peen hammer.

How to install a takeoff on a plenum?

Insert the takeoff, tabbed end first, into the opening. Fold down the tabs inside the plenum. Drill three sheet-metal screws through the plenum and takeoff to hold the takeoff in place. Seal the joint with mastic.

How to tighten a crimped pipe?

Slide the plain end of one assembled pipe over the crimped end of the next. Push the pipes together to tighten the connection.The crimped end should point in the same direction as air flowing through the pipe.

Which type of ducting carries more air?

Industrial metal ducting carries more air and is not as simple to install as domestic ducts.

Why is it important to have a sketch of your ductwork?

This is because you need to consider the number of rooms you are supplying air to, the distance to each room, and how the air will travel. You will be purchasing both duct board and flex duct.

What is flex duct insulation?

Insulated ducting is made as fiberglass duct board or flex duct. Both have insulation lined with a foil on the outside. Duct board is usually selected for the main duct work. Air is then transported to each supply vent through flex duct hoses. Continue reading below Our Video of the Day.

What is the difference between sheet metal and spiral ductwork?

They are, however, noisier and more susceptible to air leakage and condensation. Spiral ducts are round metal ducts that can be bent to different angles. The most common and effective duct system is insulated ducting. Insulated ducting is made as fiberglass duct board or flex duct. Both have insulation lined with a foil on the outside. Duct board is usually selected for the main duct work. Air is then transported to each supply vent through flex duct hoses.