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
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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 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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