Duro-Last Duro-Grip Weather-Tite One Step User Manual
™
One Step
Foamable Adhesive
PRODUCT DESCRIPTION
Weather-Tite One Step Foamable Adhesive is a highly
elastomeric, one-step, all-purpose, foamable adhesive
that contains no solvents, sets in minutes, and is designed
for use with our patented application process.*
Our One Step application process eliminates error due to
poor mixing. Application is quick and easy, resulting in
signicant labor savings for the contractor. No expensive
specialty pumps or spray rigs are required.
FEATURES AND BENEFITS
One Step T echnolog y
Easy to apply, no •
mixing
No temperature •
restrictions
Low Rise Foam
Eliminates •
minor surface
irregularities
Elastomeric
Remains exible•
Absorbs stresses•
Better than Fasteners
No damage to structural decking•
Eliminates fastener back-out•
No noise associated with drilling•
No unsightly fasteners on •
exposed decks
No fastener or deck corrosion•
Saves labo r•
High strength•
No Solvents
Low odor•
No ame hazards•
100% solids•
BASIC USE
Weather-Tite One Step Foamable Adhesive is designed for
use as an adhesive for bonding approved roof insulations
to a building’s structural roof deck, base sheets, other
insulation boards, and smooth or properly prepared
graveled built-up roof surfaces.
Weather-Tite One Step Foamable Adhesive eliminates
the need for mechanical fasteners that can often cause
damage to the roof deck, which can reduce the roof’s
service life.
APPROVED INSULATIONS AND SUBSTRATES
HD wood ber•
Isocyanurate •
Perlite - minimum •
3/4” (1.9 cm)
Polystyrene•
Gypsum cover •
board
Asphaltic cover •
boards
Concrete•
Contact our Technical Department for a complete list of
approved substrates and insulation types.
Gypsum•
Cementitious wood ber•
Lightweight insulating concrete•
Wood or steel•
Modied bitumen membranes •
and base sheets (sanded or
granule surfaced)
Approved insulations (multi-layer •
applications)
Smooth or gravel surface built-up •
roof (re-roof applications)
APPLICATION
1. With a utility knife, remove the molded tips at the
groove from the One Step mixing head.
2. Attach a One Step mixing tip to the threaded mixing
head.
3. Place the cartridge into the appropriate One Step
applicator.
4. Apply Weather-Tite One Step Foamable Adhesive
directly to the substrate, using a ribbon pattern. Space
¼” to ½” (0.635cm to 1.27cm) wide beads, 12” (30cm)
o.c., to achieve proper coverage rates for insulation
attachment. As adhesive is applied, immediately place
insulation board into wet adhesive. Do not allow the
adhesive to skin over. Eliminate uneven surfaces to
ensure positive contact between the insulation board
and substrate.
5. Un-used material can be applied at a later date by
simply plugging the cartridges (with provided half moon
plugs) and using a new One Step mixing tip.
WTT Systems - Roong Division n A Millennium Adhesive Company n 888.564.9733 n wttus.com
PACKAGING AND COVERAGE
4-1 .5L cartridges per case;
covers 600 sq.ft.(55.74m
Coverage estimates indicate total sq.ft. of insulation
attachment per case. Rates are based on an application
pattern of 4 ribbons, ¼” to ½” (0.635cm to 1.27cm) wide,
12”(30cm) o.c. per 4’ x 4’ (1.2m x 1 .2m) insulation board.
2
)per case
EQUIPMENT
The fast and dependable One Step applicators make
applying One Step Foamable A dhesiv e sim ple:
Weather-Tite One Step Foamable Adhesive
eliminates the need for mechanical fasteners
SAFETY
Prior to working with any product, be sure to read
labels and the Material Safety Data Sheet (MSDS). Take
necessary health and safety precautions.
STORAGE
Keep temperature of contents between 65°F-85°F ( 18°C29°C) 24 hours prior to use. Do not store in direct sunlight
or high temperatures 90°F (32°C) and higher.
SURFACE PREPARA TION
All work surfaces should be clean, dry, free of dirt, dust,
debris, oils, loose and/or embedded gravel, un-adhered
coatings, deteriorated membrane and other contaminants
that may result in a surface that is not sound or is uneven.
For re-cover applications apply Weather- Tite Un iversal
Primer or Weather-Tite Surface T reatment to all
substrates prior to the application of Weather-Tite One
Step Foamable Adhesive.
LIMITATIONS
Do not apply to a wet surface•
Not recommended for use with insulation boards larger •
than 4’ x 4’ ( 1.2m x 1.2m)
Do not use warped or curled insulation boards. All •
insulation boards must lay at upon the roof surface
When applying Weather- Tite One Step Foamable •
Adhesive over a smooth or sanded APP roof surface
Weather-Tite Surface Treatment will be required.
Battery• Powered
Multi-Bead Plus (shown below)
Battery Powered Multi-Bead •
Battery Powered Single Bead •
Pneumatic Single Bead •
Stand Up Single Bead•
Ultra Drive Manual Applicator•
Heavy Duty Manual Applicator•
WARRANTY
WTT Systems, LLC guarantees this product to be free
of manufactured defects for the shelf life period of 12
months from date of manufacture. All claims must be
made in writing within 12 months of the original purchase.
For detailed information regarding 10 year, 15 year or
20 year extended term system warranties, contact our
Techn i cal Department.
Cements and Coatings
for roong systems as to
"Subject to the conditions of Approval
when installed as described in the current
edition of the FM Approval Guide."
external re exposure see
UL Directory of products
certied for Canada and
UL Roong Materials and
Systems Directory.
1WA5
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Miami-Dade County, Florida
NOA No.:07-1015.02
Expiration date: 07/24/13
OSSD0408-B
WTT Systems - Roong Division n A Millennium Adhesive Company n 888.564.9733 n wttus.com
09/08
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