Sprecher Residence

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Description: 

The uniformity of ceiling, wall and floor brings warmth and consistency regardless of where the eye wanders. The consistent materials set off the other decorative accents interspersed throughout the house.

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Industry: 
Residential
Location: 
Marin, California
Architect/Designer: 
Hershon Hartley Design
Materials: 
Amber Edge Grain Plywood
LEED Credits: 
Possible LEED Credits: IEQc4.4: Low Emitting Materials MRc6: Rapidly Renewable Materials MRc7: Certified Wood CA Section 01350: Passed Other: No added urea formaldehyde

Physical / Mechanical Properties - Edge Grain and Flat Grain Bamboo Plywood

ASTM E84: Surface Burning

Class C

ASTM D1037 Dimensional Stability: 50% to 90%RH

  • Linear Expansion (AR to 20% RH):
  • Flat Grain (3-ply): Parallel -0.09% / Perpendicular -0.07%
  • Edge Grain (1-ply): Parallel -0.08% / Perpendicular -0.04%
  • Thickness Swell (50%RH to 80% RH):
  • Flat Grain (3-ply): 0.3%
  • Edge Grain (1-ply): 0.4%
  • Hardness (Janka Ball Test)
  • Edge Grain (1-ply): 916 lbf (avg)
  • Screw Hold (face / back / edge)
  • Flat Grain (3-ply): 1,009 lbs. / 681 lbs. / 516 lbs. (avg)
  • Edge Grain (1-ply): 261 lbs. / 233 lbs. / 575 lbs. (avg)

ASTM D3043: Static Bending

  • Density:
  • Flat Grain (3-ply): 40 lbs/ft3
  • Edge Grain (1-ply): 36 lbs/ft3
  • MOE / MOR (parallel):
  • Flat Grain (3-ply): 148,000 psi / 9,110 psi
  • Edge Grain (1-ply): 179,000 psi / 11,370psi

ASTM D3500: Tensile Strength

  • Load (parallel / perpendicular):
  • Flat Grain (3-ply): 892 lbs. (avg) / 1,536 lbs. (avg)
  • Edge Grain (1-ply): 1,700 lbs. (avg) / 642 lbs. (avg)
  • Strength (parallel / perpendicular):
  • Flat Grain (3-ply): 3,497 psi (avg) / 1,024 psi (avg)Edge Grain (1-ply): 7,535 psi (avg) / 428 psi (avg)

ASTM D4442: Moisture Content:

  •  
  • Flat Grain (3-ply): 4% - 7% (avg)
  • Edge Grain (1-ply): 4% - 7% (avg)

ASTM D5116-06: Organic Emissions
[CA Section 01350]

Flat and Edge Grain: Pass / Pass