Birmingham Specs

POLYURETHANE SYNTHETIC STONE DECORATIVE CLADDING

A. Physical Properties
1. Rigid, self-foaming and self-curing 2 component polyurethane system. Density range
from 12-15 pcf (192 - 240 kg/m3)
a. Standard density - 13 pcf (208 kg/m3)
b. Compressive strength - 580 psi (3996 kPa)
c. Tensile strength - 470 psi (3101 kPa)
d. Elastic modulus - 17,180 psi (86,125 kPa)
e. Shear strength - 250 psi (1723 kPa)
f. Shear modulus - 3000 psi (20,670 kPa)
g. Flexural strength - 603 psi (5168 kPa)
h. Flexural modulus - 31,000 psi (138 MPa)
i. Insulation - R-4.5/in

B. Coating Material
1. Pigments: Iron oxides, titanium dioxides, pigment binder, UV stabilizer.
2. Color data, ASTM D387
3. Residue, ASTM D185-84
4. Alkali resistance, ASTM C979-82
5. Water wetability, ASTM C979-82
6. Water solubility, ASTM D1208-84
7. Water absorption, HHC Method
8. pH value, ASTM D1203-84
9.  Density, ASTM D153-54
10. Bulking value, HHC Method

C. Moisture
1.     95% closed cell content

RELATED MATERIALS

A. Weather Resistant Barrier:
1.     [Kraft waterproof building paper, UBC Standard No. 14-1] [No. 15, Type I, asphalt
saturated felt, ASTM D 226].

B. Fasteners:
1.     Into Wood Studs: Minimum 0.120 inch (3 mm) shank diameter galvanized nails or staples of
sufficient length to penetrate 1-3/8 inches (35 mm) minimum into the stud.
2.  Into Metal Studs: Minimum 7/16 inch (11.1 mm) head diameter, corrosion-resistant, self-drilling,
self tapping, pancake head screws of sufficient length to penetrate 3/8 inch (10 mm) minimum into
the stud.

C. Synthetic Mortar:
1. Seal all joints with synthetic mortar with color to match panels.

EXECUTION

EXAMINATION

A.  Examine substrates upon which Polyurethane Decorative Cladding will be installed.

B.  Coordinate with responsible entity to correct unsatisfactory conditions.

C.  Commencement of work by installer is acceptance of substrate conditions.

PREPARATION

A.  Handle and store product according to manufacturer’s instructions. Make sure all substrate
surfaces are clean and dry, free of grease, oil or dust. Ensure any existing surfaces to receive
Birmingham panels are securely fastened or adhered prior to installation.

INSTALLATION

A.  Install Birmingham products in accordance with installation instructions.

PROTECTION

A.  Protect finished work from damage during remainder of construction period.

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