Page 264 - Catalogs

ESR-2785 Page 4 of 11

gallons (18.9 L) of surface-protection coating. The accelerator is available in 1-quart (0.95 L) and 1-gallon
(3.8 L) containers.
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3.1.4.6 P-Tuff Catalyst: The P-Tuff Catalyst is a proprietary, organometallic catalyst used in the P-Tuff
Base Membrane material. The maximum mixing ratio is three vials (60 grams) of catalyst to 5 gallons (18.9 L)
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of P-Tuff Base Membrane material.
3.1.4.7 ENDURIT DECK Pro-55 BC Catalyst: The ENDURIT DECK Pro-55 BC Catalyst is a proprietary,
organometallic catalyst used in the ENDURIT DECK Pro-55 BC Base Membrane material. The maximum
mixing ratio is three vials (60 grams) of catalyst to 5 gallons (18.9 L) of ENDURIT DECK Pro-55 BC Base
Membrane material.
3.1.5 Fiberglass Straight Jacket Tape: This fiberglass tape is available in rolls 4 inches (102 mm) wide by
150 feet (45.7 m) long and is used as reinforcement over joints and cracks in plywood.
3.1.6 Nonwoven Polyester Tape: This nonwoven tape is available in rolls 3 inches (76 mm) wide by
300 feet (91.4 m) long and is used as reinforcement over joints and cracks in concrete.
3.1.7 Surface Texture:
3.1.7.1 Rounded Sand: This is washed, dry, rounded crystal silica sand, having a maximum 16 or 20 mesh
size and a minimum hardness of 6.5 Moh, used for walking decks.
3.1.7.2 Angular Sand: This is washed, dry, angular, cracked crystal silica sand, 16 mesh (0.0469 in,
1.19 mm) and with a minimum hardness of 6.5 Moh, used under ceramic tiles and shower pans.
3.1.7.3 Rubber Granules: These 14-30 mesh rubber granules are used with the PolyCoat and Polytuff
assemblies.
3.2 Substrates:
3.2.1 Plywood: Depending on the PolyCoat and Polytuff materials applied to the substrate, plywood
substrates must be minimum of /32,- /8,- /32- or /4- inch-thick (15.1, 15.9, 16.7 or 19.1mm) exterior-grade
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plywood with tongue-and-groove edges or blocked edges, complying with U.S. Department of Commerce
PS-1 or PS-2. See Tables 1 through and 3 for plywood thickness requirements.
3.2.2 Concrete: Concrete substrates must comply with the requirements of the applicable code.
4.0 INSTALLATION
4.1 General:
The systems must be installed in accordance with the manufacturer’s published installation instructions, the
applicable code and this report. The manufacturer’s installation instructions and this report must be available
on the jobsite at all times during installation.
4.2 Walking Decks:
4.2.1 Preparation of Substrates:
4.2.1.1 General: Installation is limited to when the weather is dry and the ambient temperature is above
45°F (7.2°C). Materials must not be applied if precipitation is occurring or expected. Concrete or plywood
substrates must be free of all contamination that may impair proper bonding. Substrates must be sloped a
minimum of /4 inch (6.4 mm) per foot (305 mm) (2.1 percent) for drainage, and must be primed with the
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applicable primer specified in Table 1 prior to application of the membrane and surface-protection materials.
New plywood substrates do not require primer.
4.2.1.2 Concrete: Concrete substrates must be clean, dry and free of standing water. All joints and cracks
must be caulked flush with substrate, and all high spots cut or ground off, to provide a smooth, even surface.
Before the material is applied, the substrate is swept or blown clean to remove dust or foreign material. Paint,
grease and oil must be removed either by grinding or shot-blasting, and new concrete surfaces must be shot-
blasted. Large areas to be covered must have control joints at intervals not to exceed 20 feet (6096 mm) on
center.
Control joints are cut in accordance with the applicable concrete design standard and are then caulked.
4.2.1.3 Plywood: Plywood must be installed in accordance with the applicable code. The plywood
surface must be clean, dry and free of all foreign materials such as paint, grease, oil and dust. Cracks in the
plywood, and all panel butt joints, must be sealed using a polyurethane caulking compound.
4.2.2 Installation of Flashing: All door thresholds, jambs, posts, walls, scuppers and fascia must have metal
flashing in accordance with the applicable code. Flashing must comply with IBC Section 1503.2 or IRC Section
R903.2, as applicable.