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- Material:
Polyurethane Rigid Foam.
- Density: 13
to 17 pounds per cubic foot similar to overall density of white pine.
- Impervious To Rot & Insects
- Ultraviolet:
Not affected if properly coated and maintained.
- Moisture Resistant
- Stainable, Paintable,
Washable
- Nail, Screw, Staple,
Dovetail
- Excellent Impact Resistance
- Easily install using
standard millwork methods
- Glue with a urethane based adhesive or an
OSI 400 adhesive
- Compression strength
within 350-400 P.S.I Range
- Linear Expansion For
Rigid Foam ... See calaculation
below
Calculation
For a 12' Moulding with a temp drop from 100º f to 20º
f
100f = 37.7cº
20f = -6.6c
Change in cº = 44.4cº
4.8 x 144' x 44.4 x 10expo3
.000048 x 144 x 44.4 = .307
.3125 = 5/16"
A 12 ft. Moulding will be nearly 5/16 shorter at 20º degrees then at
100º degrees
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