Flex Duct Vs Metal Duct

But it needs to be sealed and insulated to today s standards.

Flex duct vs metal duct.

Rigid sheet metal and flexible ductwork. Sheet metal ducts vs. It is typically installed with clamps. 09 05 2007 10 58 am 10.

Sometimes the best route for a flexible duct run is up and over an obstruction. Flex ducts are better for existing trunk and branch heating and cooling systems. This is because they re more versatile and flexible. To prevent problems use saddles or straps to support at regular intervals 4c 4d follow the manufacturer s instructions but in case they get lost here is a list of best practices for.

In a hot climate a well installed hvac system is a must for a new home. See how matt and his crew use both rigid metal and flex for great air distribution in the homes they build. View profile view forum posts visit homepage view forum threads. There are two basic types of ductwork to keep in mind when deciding upon your new system.

The inner liner ribs restrict airflow more than sheet metal ductwork but not significantly. In comparison to metal duct flex duct is easier and faster to install. One of the major advantages of sheet metal ductwork is its staying power. Made from sheet metal ducts with internal and external fiberglass lining.

If your ductwork is properly sized it will be better than flex. Because of what it s made out of it tends to last a long time especially when it is properly cared for. Matt risinger principle of risinger homes in austin tx is surprised by how few builders use rigid metal ducting anymore. Metal ducts are more rigid due to the nature of steel making them ideal to build an entire hvac system.

Each has its advantages. Semi rigid metal usually aluminum duct is flexible and similar to foil ducting but quite a bit more rigid. Flexible ducts are good for air quality because you are not breathing in fiberglass insulation lined ductwork like the fiber air ducts and they are mold and rust resistant unlike galvanized. Like foil duct semi rigid is used only for transition ducting and should not be concealed in walls or floors.

One very important aspect of duct design to consider is the differences between flexible hvac ductwork and rigid duct insulation.