Made from 1 to 2 inch thick sheets of rigid glass fiber and coated with an aluminum laminate for a moisture air barrier duct board comes in sections that fit together like metal ducts.
Insulating metal ac ducts.
Duct board s advantage is that it is already insulated eliminating the need for further work as long as it is structurally sound.
Why is condensation on ductwork a problem.
So water is condensing on your ac ducts.
Sometimes the insulation is inside the ductwork.
First water dripping off of your ducts and onto your insulation can cause the insulation to compress which decreases it s r value or ability to insulate.
How to insulate sheet metal ac ducts.
Wrap the insulation around the duct and then pinch the seam closed.
Why is this a problem.
Apply a long strip of foil tape along the seam in the insulation.
R 6 insulated duct wrap inswrp60 the home depot.
Use this master flow insulated duct wrap to reduce condensation in absorb noise from and improve the air temperature efficiency of your duct system.
Youtube insulating attic ductwork.
The department of energy claims that the average us home loses hundreds of dollars a year in heating and cooling costs.
You can go for a dehumidifier if that helps to reduce the condensation.
Instead of metal choose fiberglass or other insulating materials for your ductwork.
Sealing and insulating your duct work can improve the efficiency of your heating and cooling system by as much as 20 percent according to the u s.
Secure the insulation with short strips of foil tape.
Master flow 60 sq.
The existing metal ductwork in an older home may or may not have insulation.
Repeat to insulate the remaining ducts.
In case you have metal ducts make sure they are appropriately wrapped with fiberglass insulation.
Close to 25 of the energy you use to heat and cool your home disappears through leaky ductwork.
You can cover metal ductwork with blown in insulation if you take two steps first.
Ceramic fiber insulation blanket roll 6 density 2300 f 1in x24in x60in for kilns ovens furnaces forges stoves.
When water condenses and drips into your attic or home it can cause a some serious secondary problems.
Other times insulation may be on the outside.
Because the moving air is in the ductwork for only a.
Proper duct insulation is a major key to ensuring your home s energy efficiency.
Try to reduce the humidity level in the air near the air ducts.
To install preformed duct insulation start by disconnecting an elbow to expose the end of the duct.