Health and Safety
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Required safety equipment: hard hat, safety boots, gloves, safety glasses.
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Always follow all safety precautions as directed by the Occupational Safety and Health
Administration (OSHA-USA) or the Construction Safety Association (Canada).
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Please refer to Safety Data Sheets for all components and observe all recommended
safety precautions therein.
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The general codes of practice for protection at work and instructions of the manufacturers for
tools and components are to be observed at all times.
Recommended Materials
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DELTA®-FL
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DELTA®-MOISTUREPROOF TAPE
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Low expansion spray foam
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Self-leveling compound (if required)
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Other materials depending on final floor material:
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4’x 8’ plywood or OSB (minimum 7/16” thick)
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1/4” x 1 1/2” Tapcon® fasteners (Phillips head)
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Silicone sealant (recommended)
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Needle-punched geotextile (landscaping fabric)
Recommended Tools
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Broom and/or vacuum cleaner
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Measuring tape
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Utility knife or scissors
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Straight edge and/or carpenter’s square
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Circular saw and/or jigsaw
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Hammer drill
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Caulking gun
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Phillips screw driving bit
Preparing the Concrete for Installation
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The concrete floor and foundation walls should be dry, free of large cracks, excessive
moisture, leaks and flooding. DELTA®-FL is not meant to replace good foundation design or
maintenance.
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Any pre-existing unsound or moisture-sensitive flooring materials should be removed prior to
installation of DELTA®-FL.
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The floor should be as level as possible. Remove any bumps or ridges. In areas with
depressions greater than ¼”, self-leveling compound should be used.
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Thoroughly clean and vacuum the concrete floor.
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Ensure floor area is solid and free of mold and fungi.
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Optional: In case of uneven floors, installing a layer of needle-punched geotextile
(landscaping fabric) underneath the DELTA®-FL can reduce the potential for clicking noises.
Installation
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Beginning at the longest straight wall, roll out the DELTA®-FL, dimple side down and
cup side up.
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DELTA®-FL should be installed as tightly as possible to all walls (see Detail 1).
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For applications with stud walls already in place, lift the protective moisture barrier at the
bottom and place over top of DELTA®-FL (see Detail 2a).
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For applications with stud walls already in place that do not have a protective moisture
barrier underneath or applications directly against the foundation wall, seal the gap between
DELTA®-FL and bottom plate or wall with low expansion spray foam (see Detail 2b).
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For applications without stud walls already in place, non-load bearing stud walls may be
constructed on top of DELTA®-FL. Load-bearing walls should not be placed on
top of DELTA®-FL.
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End laps and side laps shall be placed tightly to the adjacent roll of DELTA®-FL. Do not overlap
or interlock the dimples. Seal all end laps and side laps with DELTA®-MOISTUREPROOF TAPE
(see Detail 3).
HIGH PERFORMANCE AIR & MOISTURE BARRIERS
DELTA
®
-FL
Keeping Floors Warm & Dry Installation Instructions.
PREMIUM QU
ALITY
1
2b
2a
