You can cover metal ductwork with blown in insulation if you take two steps first.
Insulating metal ac ducts.
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.
The existing metal ductwork in an older home may or may not have insulation.
Sometimes the insulation is inside the ductwork.
Youtube insulating attic ductwork.
Try to reduce the humidity level in the air near the air ducts.
Therefore before beginning your project use a measurement tape to get your dimensions straight and clear so your purchase is accurate.
Master flow 60 sq.
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.
Apply a long strip of foil tape along the seam in the insulation.
So water is condensing on your ac ducts.
You can go for a dehumidifier if that helps to reduce the condensation.
Why is condensation on ductwork a problem.
Because the moving air is in the ductwork for only a.
Why is this a problem.
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.
Repeat to insulate the remaining ducts.
Metal sheet duct work is a recommendable material for insulation purposes and is often sealed using duct tape to help stop the heat and air conditioning from flowing outside.
In case you have metal ducts make sure they are appropriately wrapped with fiberglass insulation.
R 6 insulated duct wrap inswrp60 the home depot.
Unblock any ducts that are.
Instead of metal choose fiberglass or other insulating materials for your ductwork.
Other times insulation may be on the outside.
Proper duct insulation is a major key to ensuring your home s energy efficiency.
Use this master flow insulated duct wrap to reduce condensation in absorb noise from and improve the air temperature efficiency of your duct system.
Wrap the insulation around the duct and then pinch the seam closed.
Close to 25 of the energy you use to heat and cool your home disappears through leaky ductwork.
Secure the insulation with short strips of foil tape.
Duct board s advantage is that it is already insulated eliminating the need for further work as long as it is structurally sound.
When water condenses and drips into your attic or home it can cause a some serious secondary problems.
Ceramic fiber insulation blanket roll 6 density 2300 f 1in x24in x60in for kilns ovens furnaces forges stoves.