Technical Specifications

3. ADHESIVES:
3.1. VPI 503 Acrylic Adhesive
VPI 503 is a solvent free, one part acrylic wet set adhesive approved for all types of sub-floors on
or above grade. The adhesive is good for porous and non-porous areas.
Substrate requirements are MVER<6lbs, RH ≤85%, pH of 7 – 11.
Trowel type: 1/16” x 1/16” Square Notched Trowel.
Coverage: 90 - 135 ft2 / gal, depending on porosity of substrate, application style and
environment. In applications demonstrating spread rates that are less than 90 ft2, additional
adhesive should be purchased as required. See label for detailed application instructions.
3.2. VPI NC-2 Nose Caulk
VPI NC-2 is a solvent-free, two-component Epoxy Nose-Caulking Compound designed for use
with rubber stair treads. It’s a non-flammable, high-performance epoxy adhesive, recommended
for indoor stair installations over porous and non-porous substrates. It is recommended for round
nosing, providing support to the nose or rubber stair treads. Stairs (substrate) must be structurally
sound, dry, clean and free of dirt, dust, grease, paint, curing compounds, sealers, or any other
extraneous material which may interfere or compromise adhesion. Application over concrete
stairs requires the concrete to be fully cured and dry. Adequate adhesive must be applied to the
corner of the stair tread nose so that when placed into position all voids are filled. See Nose-
Caulk label for detailed application instructions.
4. ENVIRONMENTAL STANDARDS
4.1 Contributes towards LEED Credit V4 option 2 Low emitting materials, indoor environmental
quality, FloorScore Certification, CHPS 2.2.3; Flooring Systems
4.2. CALGreen, CA Code of Regulations title 24, Part II,2010, Sections 4.504.4/5.504.4.6:
Resilient Flooring Systems
4.3. ANSI/ASHRAE/USGBC/IES Standard 189.1-2009,Section 8.4.2.3: Floor Covering
Materials
4.4. Collaborative for High Performance Schools(CHPS) rating system, 2009 Criteria EQ2.2.3:
Flooring Systems
4.5. Green Guide for Healthcare, V2.2, 2007, EQ Credit 4.3: LEM-Flooring Systems