Each will provide different qualities.
Rigid smooth walled aluminum ducting.
Most hot water tanks use aluminum smooth walled duct as their exhaust ducts.
Semi rigid is accepted under standard building code because it maintains its 4 diameter and has a smooth interior.
Thd sku 148679.
Round metal duct pipe round pipe can be used as a main trunk line or branch line as well as in return air situations.
Hose materials include pvc coated polyester fabric neoprene silicone thermoplastic rubber aluminum stainless steel and more.
I would contact my local engineering authority for the final approval.
It is harder to work with crushes easily and is difficult to twist.
Product descriptionthe smooth tube pvc hose is a medium weight pvc flex ducting that is reinforced by a rigid external pvc helix making for a clear flexible hose.
You need to do this annually to keep your dryer running at optimum efficiency and to ensure that you won t get any lint fires started inside the dryer vent.
Master flow 6 in.
This is because of the co2 gases that come from propane or natural gas appliances.
It allows you to push the dryer very close to the wall.
Choose from our selection of rigid duct including over 1 600 products in a wide range of styles and sizes.
I would not recommend using the semi rigid alum.
Foil duct has a narrower rough interior that restricts airflow and a coating that is flammable.
It has a wide rectangular shape except for the two ends where it connects to the dryer and the vent outlet.
It combines durability and flexibility into one cost effective package.
For instance pvc ducting can provide a high degree of flexibility while stainless steel is ultra strong and rigid.
In stock and ready to ship.
Another reason for using rigid smooth walled aluminum ducting for your dryer vent is that you can easily clean it out using a vent brush.