Aluminum Gas Flex Venting

“Dalsin Line”® Aluminum Flex Liners are used for venting category 1 heating appliances or direct vent appliances into a masonry chimney.  Manufactured using Type 3003 aluminum, this heavy duty 2-ply liner is made from two strips of .005″, high grade aluminum for a total thickness of .010”

Materials and Construction

• Liner is made from 2-ply of .005″ thick type 3003 aluminum strip
• Components are made from .020 thick type 3003 aluminum
• Locking seam on liner is the strongest in the industry, with a unique locking system, the liner will not come apart.
• Large variety of termination caps available
• Components all incorporate stainless steel hose clamps for fastener free installation

Clearances

• UL and ULC listed to 1777 standard
• ANSI Z21.88-2009/CSA 2.33 (2009) Listed
• Zero clearance inside a masonry chimney.

Diameters

• 2″ – 12″ round liner available