Sports bamboo flooring

Bamboo Sports Flooring 

A durable, reliable, and practical sports bamboo flooring syste
A.   Bamboo Flooring:
 1.    Brand: SHBAMBOO Sport ,Manufacturer: 
 2.     Species: Moso (Phyllostachys Pubescens).
 3.     Plank Size: 2-1/4 by 24 by 3/4 inches (55 by 610 by 19 mm) or custom size
 4.     Edge Configuration: Tongue and groove, 4 sides.
 5.     Grade: A, edge grain; grade marked and stamped as manufactured by us
 6.     Color: Sport carbonized or natural 
 7.     Physical/Mechanical Properties:
       a.    Formaldehyde Emissions–E1.
              Dimensional Stability---length expansion 0.09%, width expansion 1.67%, thickness change 1.19%.  
              Hardness–11 700 kPa
       b.   DIN compliant – Shock absorption 51>
B.  Conical Sub-floor:
 1.    Vapor barrier:  6mil. 
 2.    Sub-floor:  1/2 inches by 4 by 8 feet APA Rated Sheathing, minimum 4 ply.
 3.    Pads: 3/4-inch, or as supplied by installer 
C.    Accessories:
D.    Finish Materials: Klummp or Treffert

Inspection
A.    Inspect concrete slab for tolerance and dryness, and report any discrepancies to the general contractor.
B.   The concrete slab will be free of all debris.
Installation
A.    Cover concrete slab with 6 mil. polyethylene, lapping joints a minimum of 6-inches.
B.    Install first layer of sub-floor plywood in the opposite direction of the bamboo flooring, 1/4-inch spacing at all edges and breaking joints every at 4-feet.  Allow 2-inch expansion voids at perimeter, and all vertical obstructions.  The underside of the first layer shall have 32 conical cushion pads per sheet attached 12-inch on center with 1/4-inch spacing between adjoining sheets. 
C.    Install the second layer of sub-floor material diagonally at a 45 degree angle over the first layer, allowing 1/4-inch spacing on all edges and breaking joints every 4-feet.  Attach second layer of sub-floor material with nails or staples 12-inches on center.
D.    Install bamboo flooring parallel with main playing court by nailing or stapling approximately 12-inches on center. Allow space joints between flooring strips for intermediate expansion in accordance with local humidity conditions.  Provide 2-inch expansion voids at the perimeter and at all vertical obstructions.
Floor Sanding
A.    Machine sand for a smooth, even and uniform surface.
B.    Remove sanding dust by tack or vacuum.
C.    Refer to manufacturer sanding and finishing procedures.
Finishing
A.     Inspect floor to ensure the surface is acceptable for finishing and clean.
B.    Apply seal coats per manufacturer’s instructions.
C.    Paint game lines as shown on drawing, between seal and first coat of finish.
D.    Game line paint will be compatible with finish.
Base Installation
A.     Install vent cove base to walls with base cement, screws or anchors. Miter all joints at 45 degree angles.