final bid specs 09328.pdf - Freese and Nichols, Inc.

2.03 ELASTOMERIC JOINT SEALANTS
A. Elastomeric Sealants: Comply with ASTM C 920 and other requirements indicated for each
liquid-applied chemically curing sealant specified, including those referencing ASTM C 920
classifications for type, grade, class, and uses related to exposure and joint substrates.
B. Stain-Test-Response Characteristics: Where elastomeric sealants are specified to be nonstaining
to porous substrates, provide products that have undergone testing according to
ASTM C 1248 and have not stained porous joint substrates indicated for Project.
C. Multicomponent Nonsag Neutral-Curing Silicone Sealant:
1. Products:
2. Dow Corning Corporation; 756 H.P.
3. Type and Grade: M (multicomponent) and P (pourable).
4. Class: 50.
5. Use Related to Exposure: NT (nontraffic).
6. Uses Related to Joint Substrates: M, G, A, and, as applicable to joint substrates indicated,
O.
7. Use O Joint Substrates: galvanized steel.
D. Single-Component Pourable Neutral-Curing Silicone Sealant:
1. Products:
2. Dow Corning Corporation; 890-SL.
a. Pecora Corporation; 300 Pavement Sealant (Self Leveling).
b. Dow Corning Corporation; SL Parking Structure Sealant.
3. Type and Grade: S (single component) and P (pourable).
4. Class: 100/50.
5. Uses Related to Exposure: NT and T (traffic).
6. Uses Related to Joint Substrates: M A and O, as applicable to joint substrates indicated.
7. Use O Joint Substrates: Galvanized steel.
E. Single-Component Neutral- and Basic-Curing Silicone Sealant:
1. Products:
a. Dow Corning Corporation; 790.
b. GE Silicones; SilPruf LM SCS2700.
c. Tremco; Spectrem 1 (Basic).
d. GE Silicones; SilPruf SCS2000.
e. Pecora Corporation; 864.
f. Pecora Corporation; 890.
g. Polymeric Systems Inc.; PSI-641.
h. Sonneborn, Division of ChemRex Inc.; Omniseal.
i. Tremco; Spectrem 3.
j.