Flexible Metal Dryer Duct Against Floor Joist

Keep the pipe as straight as possible because lint collects in sags.

Flexible metal dryer duct against floor joist.

Choose the highest ul fire resistance class. Ul listed dryer duct. But without proper support ducts can develops sags or kinks that reduce airflow 4a 4b. This would raise the ductwork 1 2 to 1.

As we look closer here s what we see in this house. Most dryer ducts are round and 4 inches in diameter. Insulated flexible duct r8 silver jacket is used in standard heating and air conditioning hvac systems and some venting applications. Vinyl duct and in some situations all flexible duct is not allowed by building codes.

The master flow 6 in. 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. Some are flexible and others are rigid. Because all types are sold for use with dryers you would naturally assume that all are suitable for this application.

Semi rigid flexible metal design allows for 90 degree turns. I can t meet the 7 mark but the local authorities will give me a variance if i do the following. Unfortunately that is not the case. I am remodeling my basement and have a ceiling clearance issue.

Avoid using duct tape it can fail after a few years. Choosing materials routing vent ducting dryer vent duct connections dryer vent termination at an exterior wall. Clothes dryer exhaust vent installation or dryer vent duct cuct intallation specifications. Crush resistant to maintain continuous airflow.

Sometimes the best route for a flexible duct run is up and over an obstruction. Duct joints shall be installed so that the male end of the duct points in the direction of the airflow. Except for the first 7 feet of the supply run raise the supply run so it is directly up against the floor joists. Flexible transition hose between the dryer and the wall outlet should be either the foil type or the aluminum flexible duct most preferred.

Also we explain and illustrate problems that result from improper dryer vent. Local codes require no less than 7. The duct has r8 insulation which contains 50 more insulation than the standard r4 2 product. Concealed ducting must be rigid metal galvanized or aluminum duct.

How to install a dryer vent and make sure that it is safe. The flexible metal dryer transition duct is designed for both top load and front load dryers. Easy installation no elbows or cutting required. In this case it s big enough that there s even a joist running right through the middle.

Do not use the plastic or vinyl. This additional insulation provides greater thermal efficiency to save energy. For safety reasons and added peace of mind only ul2158a listed ducting like dryerflex should be used to connect the dryer s exhaust system non listed hose such as that commonly used to vent bathroom fans should never be used. Is that a towel in there.

How to install a clothes dryer exhaust vent. While building code and dryer manufacturers all require a ul 2158a listed transition duct there are differences upon. Fire resistant for safe use in high heat conditions.