Why Use Fiber Duct Versus Sheet Metal

We see to much duct board falling apart at the joins with nasty mold growing in it.

Why use fiber duct versus sheet metal.

Sheet metal friction is based on surface and joint. Mastic is a gooey non hardening material with a consistency between mayonnaise and smooth peanut butter. We use all metal duct with wrap on the outside only. Duct joints should always be secured with 8 sheet metal screws before seams are sealed with mastic.

We also use third party cookies that help us. Some sheet metal air ducts are lined with an external or internal fiberglass duct liner. Flex ducts are better for existing trunk and branch heating and cooling systems. Sheet metal fibergl ductwork fabrication installationbeach.

In comparison to metal duct flex duct is easier and faster to install. Fiberglass lining is used to insulate air ducts from heat loss or to avoid condensation in cases where the supply air is very cold or there is a high ambient humidity in the plenum. N in fibergl removal before and after page 3 duct flow wikiwand fibergl conduit hangers champion bridge fibergl conduit hangers champion bridge n in fibergl removal before and after page 3 harold r whelden heating refrigeration. Made from compressed fiberglass strands which are bonded with resin and covered with a foil laminate for moisture protection.

The most common materials used for sheet metal ducts are aluminum and galvanized. As for metal v flex for taps thats your call metal is better but flex is fine. Use to design the duct systems. Made from sheet metal ducts with internal and external fiberglass lining.

The mastic is spread over duct seams with a disposable paintbrush putty knife or. One of the major advantages of sheet metal ductwork is its staying power. Sealing duct seams is messy work so wear old clothes. Fiber glass lined ducts.

The idea of the porous insulation on the interior just doesn t seem like a good idea. Because of what it s made out of it tends to last a long time especially when it is properly cared for. The porous surface seems like it would affect air flow i understand properly sized this shouldn t be a problem collect more dirt than metal delaminate and come apart over time and are very hard to clean once dirty. Metal ducts are more rigid due to the nature of steel making them ideal to build an entire hvac system.

This is because they re more versatile and flexible. I have never liked duct board or ducts lined with fiberglass. Metal metal do it once and do it right.