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®
DURO-LAST INSULATION PLATE

DESCRIPTION:
®
The Duro-Last Insulation Plate is a 0.375 inch
(9.5mm) thick, 3 inch (76.5mm) diameter distribution
plate designed to hold insulation and underlayment
boards under the Duro-Last roofing system. Duro-
Last Insulation Plates are packaged and sold in
quantities of 1,000.
The Duro-Last Insulation Plate includes a recessed
0.280 inch (7 mm) diameter hole in the center,
keeping the head of the fastener from coming into
contact with the Duro-Last roofing membrane. To
maintain necessary strength and position, the Duro-
Last Insulation Plate is manufactured with a thick
center that embeds into the insulation and a thin
flexible exterior to help reduce facer tear. In addition,
there are tabs pressing against the fastener head to
prevent the fastener from backing out.
The Duro-Last Insulation Plate is a long-lasting,
durable plate that is available only from Duro-Last,
Inc.

MATERIAL SAFETY DATA SHEET:
Product Identity: Duro-Last Insulation Plates

INSTALLATION:
1. Refer to details 1020 and 1030 installation
information.

NOTE:
 Duro-Last Insulation Plates shall only be used to
attach insulation or cover boards in mechanically
fastened systems. They shall not be used in
adhered systems.

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: 01/06/2016, 05/24/2016