Specifications - Lord and Son Construction, Inc.

a. Mineral Fiber: ASTM C 547, Types I, II or III, supply the
insulation with manufacturer's recommended factory-applied jacket.
b. Calcium Silicate: ASTM C 533, Type I indoor only, or outdoors
above 250 degrees F pipe temperature. Supply insulation with the
manufacturer's recommended factory-applied jacket/vapor barrier.
c. Cellular Glass: ASTM C 552, Type II and Type III. Supply the
insulation with manufacturer's recommended factory-applied jacket.
d. Flexible Elastomeric Cellular Insulation: ASTM C 534/C 534M, Grade
1, Type I or II to 200 degrees F service.
e. Phenolic Insulation: ASTM C 1126 Type III to 250 degrees F service
shall comply with ASTM C 795. Supply the insulation with
manufacturer's recommended factory-applied jacket/vapor barrier.
f. Perlite Insulation: ASTM C 610
g. Polyisocyanurate Insulation: ASTM C 591, Type 1, to 300 degrees F
service. Supply the insulation with manufacturer's recommended factory
applied jacket/vapor barrier.
h. Flexible Polyolefin Cellular Insulation: ASTM C 1427, Grade 1 Type
I or II to 200 degrees F.
2.3.3 Below-ground Pipeline Insulation
For below-ground pipeline insulation the following requirements shall be
met.
2.3.3.1 Cellular Glass
ASTM C 552, type II.
2.3.3.2 Polyisocyanurate
ASTM C 591, Type 1, to 300 degrees F.
2.4 DUCT INSULATION SYSTEMS
2.4.1 Duct Insulation
Provide factory-applied cellular glass polyisocyanurate or phenolic foam
insulation with insulation manufacturer's standard reinforced fire-retardant
vapor barrier , with identification of installed thermal resistance (R)
value and out-of-package R value.
2.4.1.1 Rigid Insulation
Rigid mineral fiber in accordance with ASTM C 612, Class 2 (maximum surface
temperature 400 degrees F), 3 pcf average, 1-1/2 inch thick, Type IA, IB,
II, III, and IV. Alternately, minimum thickness may be calculated in
accordance with ASHRAE 90.1 - IP.
Section 23 07 00 Page 11