Specifications - State of Delaware

SECTION 033000 - CAST-IN-PLACE CONCRETE: continued
k. L&M Construction Chemicals, Inc.; Dress & Seal WB.
l. Meadows, W.R., Inc.; Vocomp-20.
m. Metalcrete Industries; Metcure.
n. Nox-Crete Products Group; Cure & Seal 150E.
o. Symons by Dayton Superior; Cure & Seal 150E.
p. TK Products, Division of Sierra Corporation; TK-2519 WB.
q. Vexcon Chemicals, Inc.; Starseal 309.
E. Concrete curing compound VOC content shall not exceed the VOC limits of LEED Credit IEQ
4.2 in accordance with the LEED Reference Guide.
2.08 RELATED MATERIALS:
A. Expansion- and Isolation-Joint-Filler Strips: ASTM D1751, asphalt-saturated cellulosic fiber
or ASTM D1752, cork or self-expanding cork.
B. Bonding Agent: ASTM C1059, Type II, non-redispersible, acrylic emulsion or styrene
butadiene.
C. Epoxy Bonding Adhesive: ASTM C881, two-component epoxy resin, capable of humid curing
and bonding to damp surfaces, of class suitable for application temperature and of grade to suit
requirements, and as follows:
1. Types I and II, non-load bearing, for bonding hardened or freshly mixed concrete to
hardened concrete.
2. Bonding adhesive VOC content shall not exceed the VOC limits of LEED Credit IEQ 4.1
in accordance with the LEED Reference Guide.
2.09 REPAIR MATERIALS:
A. Repair Underlayment: Cement-based, polymer-modified, self-leveling product that can be
applied in thicknesses from 1/8 inch and that can be feathered at edges to match adjacent floor
elevations.
1. Cement Binder: ASTM C150, Portland cement or hydraulic or blended hydraulic cement
as defined in ASTM C219.
2. Primer: Product of underlayment manufacturer recommended for substrate, conditions,
and application.
3. Aggregate: Well-graded, washed gravel, 1/8 to 1/4 inch or coarse sand as recommended
by underlayment manufacturer.
4. Compressive Strength: Not less than 5,000 psi at 28 days when tested according to
ASTM C109.
B. Repair Overlayment: Cement-based, polymer-modified, self-leveling product that can be
applied in thicknesses from 1/4 inch and that can be filled in over a scarified surface to match
adjacent floor elevations.
1. Cement Binder: ASTM C150, Portland cement or hydraulic or blended hydraulic cement
as defined in ASTM C219.
2. Primer: Product of topping manufacturer recommended for substrate, conditions, and
application.
3. Aggregate: Well-graded, washed gravel, 1/8 to 1/4 inch or coarse sand as recommended
by topping manufacturer.
4. Compressive Strength: Not less than 5,000 psi at 28 days when tested according to
ASTM C109.
C. Primer VOC content shall not exceed the VOC limits of Credit IEQc4.2 in accordance with the
LEED Reference Guide.
033000-6 DEAN033000.DOC