Page 101 - Microsoft Word - 2_Inch_Drain_Adapter_PDS_2016_01_05

®
DURO-GUARD ISO NB
Installation:
TABLE 2. TYPICAL PHYSICAL PROPERTIES (FOAM CORE)
 Panels must be kept dry before, during and
after installation. Install only as much insulation Grade 2 20 psi
as can be covered the same day with Compressive ASTM D 1621 (138 kPa)
ASTM C 1289
Strength
25 psi
completed roofing. Grade 3 (172 kPa)
 The use of multiple layers of insulation with Dimensional ASTM D 2126 2% linear change
Stability
(7 days)
joints staggered a minimum of 6 inches
< 1 perm
between layers is recommended to eliminate Moisture Vapor ASTM E 96 (57.5 ng/Pa·s·m )
2
Transmission
thermal bridging.
Water
 Abut panel edges together and stagger joints of Absorption ASTM C 209 < 1% volume
adjacent panels. Service -100° to 250° F
Temperature (-73° to 122° C)
 Boards must be neatly fitted to roof deck and
around penetrations with no gaps greater than
¼ inch.
 The deck shall be dry and care must be taken
 Refer to the appropriate Duro-Last roof system to apply the bitumen in sufficient quantity to
specification and detail drawings for deck totally cover the available deck surface.
preparation and attachment requirements.
 To ensure embedment, the board shall also be
 Precautions must be taken to ensure that new “stepped in” at several points while the bitumen
concrete decks have fully hydrated and do not is still hot enough to allow positive attachment.
continue to release moisture.
 Maximum panel dimensions are 4 ft. x 4 ft.
Panel Attachment:  Any roof membrane contaminated with bitumen
must be replaced.
 Panels may be attached to the roof deck using
mechanical fasteners, insulation adhesive or Storage:
hot bitumen. It is acceptable to use these
products in combination.  Insulation must be protected from open flame
and kept dry at all times.
Mechanical Attachment
 Factory applied packaging is intended only for
 When installing multiple layers (which may protection during transit. Slit or remove the
include insulation, cover boards and thermal packaging to prevent accumulation of
barriers) it is acceptable to mechanically secure condensation.
through all layers.
 Store elevated (at least 3 inches) and
 Use fasteners intended for use with this completely covered with a weatherproof
product and that are supplied by or approved covering such as a tarpaulin.
by Duro-Last, Inc.
 Do not use panels which are wet or damaged.
Adhesive Attachment
 Refer to PIMA Technical Bulletin No. 109:
 Insulation adhesive must be supplied by Duro- Storage and Handling Recommendations for
Last, Inc. Refer to the adhesive’s product data Polyiso Roof Insulation for additional guidelines
sheet for application guidelines. Acceptable (www.pima.org).
products:
®
o Duro-Grip Insta-Stik™. Limitations:
®
o Duro-Grip Olybond .  Duro-Last, Inc. will not be responsible or liable
®
o Duro-Grip Millenium Weather-Tite . for any defects or problems related to building
o Duro-Grip CR-20. or roof design by others, to deficiencies in
construction, to dangerous conditions on the
 Subsequent layers of insulation and approved job site, or to improper storage, handling or
cover boards may be attached with insulation installation by others.
adhesive.
 Maximum panel dimensions are 4 ft. x 4 ft.

Hot Bitumen Attachment
 When using hot bitumen on concrete decks,
priming is necessary.
 Temperature of the bitumen shall be
approximately 50° F below the inter-ply hand
mopping EVT.

www.duro-last.com 2 of 2 800-248-0280

Duro-Last, “World’s Best Roof” and Duro-Guard are registered marks owned by Duro-Last, Inc.
Updated: 10/31/2013