Joint Industry Foam Standards and Guidelines

STANDARDS AND GUIDELINES FOR DIMENSIONAL TOLERANCES OF POLYURETHANE FOAM

10.1 Preparation of Samples

Prior to measuring length, width and height of various purchased foams units, the furniture/foam industry has agreed that the following is a reasonable preparatory step: All foam compressed in any manner during shipping shall be removed from its compressed state and allowed to recover undisturbed for 24 hours prior to any measurement for acceptance and/or billing purposes.

10.2 Tolerance Guidelines

10.2.1 Foam units

A. Whole, untrimmed buns

• Width: overall width minus 1"
• Thickness: Cut line at top containing no skin to bottom of bun, less 3/4" allowance for trimming bottom skin
• Length: Ordered length, plus 1"

B. Top trimmed buns

• Purchased height, plus 1/2", minus 0"

C. Slab Goods(Thickness 1" or greater)

• Length: Purchased length, plus 1/2", minus 0"
• Width: Purchased width, plus 1/4", minus 0"
• Thickness: Purchased thickness, plus or minus 1/16

D. Unconvoluted Roll Goods (1/2" to 1")

• Length: plus or minus 1/2 %
• Width: plus 1/4", minus 0"
• Thickness: plus or minus 1/16"

E. Convoluted Foam

• Length: Purchased length, plus 1", minus 0"
• Width: plus 1/4", minus 0"
• Thickness: Base between pinnacles, plus or minus 1/8"
• Pinnacle thickness above base, plus or minus 1/8"
• Combined pinnacle and base thickness, plus or minus 1/8"
• Set nested pinnacle to pinnacle, plus or minus 1/8"

10.2.2 Fabricated Cushions

Cushion units including convoluted wrap, garnetted polyester, resinated polyester, and other constructions are to meet furniture manufacturer's specifications as agreed by user and supplier. Note: All wrapping materials should be stripped from the cushion unit before measuring.