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®
DURO-LAST 2-INCH DRAIN ADAPTER

DESCRIPTION:
®
Duro-Last prefabricated 2-inch (51 mm) Drain
Adapters are fabricated from Duro-Last specially
formulated roofing membrane and a ¼ inch (6.3 mm)
thick compression ring made from recycled
membrane. Drain Adapters may be used for circular
or small rectangular roof drains and are useful in
reroof applications. They are available in white, tan,
gray, dark gray and terra cotta as well as in the
Designer Series membranes (slate gray Shingle-



Ply , sandstone Shingle-Ply and Rock-Ply ) and
are usually ordered to match the roof membrane.
INSTALLATION:
1. The Drain Adapter shall be heat welded (hot-air)
to the field membrane.
2. Install 8 fasteners, spaced equally around the
Drain Adapter, to secure the ¼ inch (6.35 mm)
thick compression ring, through the field
membrane and sealant, to the deck.
3. Refer to detail 2050 for additional information.

NOTE:
 This product cannot be used on drains larger than
2 inches (51 mm) in diameter.
 Drain Adapters are manufactured from Duro-Last
roofing membrane and shall be furnished by Duro-
Last, Inc.
2-inch Drain Adapter
(Install per detail drawing 2050)

www.duro-last.com 1 of 1 800-248-0280
Duro-Last and “World’s Best Roof” are registered trademarks owned by Duro-Last, Inc.
Created: 01/01/2009 Revised: 04/06/2011, 01/05/2016