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DSS Skills Development Center Smith Sinnett / 2020045
<br />Chapel Hill, North Carolina Orange County
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<br />JOINT SEALANTS 07 92 00 - 3
<br />PART 2 - PRODUCTS
<br />2.1 MATERIALS, GENERAL
<br />A. Compatibility: Provide joint sealants, joint fillers and other related materials that are compatible with
<br />one another and with joint substrates under conditions of service and application, as demonstrated by
<br />sealant manufacturer based on testing and field experience.
<br />B. Colors: Provide color of exposed joint sealants as selected by Architect from manufacturer's standard
<br />colors.
<br />2.2 ELASTOMERIC JOINT SEALANTS
<br />A. Elastomeric Sealant Standard: Provide manufacturer's standard chemically curing, elastomeric sealant
<br />of base polymer indicated which complies with ASTM C 920 requirements, including those referenced
<br />for Type, Grade, Class, and Uses.
<br />B. Multi-Part Nonsag Urethane Sealant for Use NT: Type M, Grade NS, Class 25, and complying with
<br />the following requirements for Uses:
<br />1. Uses NT, M, A, and as applicable to joint substrates indicated.
<br />a. Provide as the general building sealant for all exterior and interior vertical and non-traffic
<br />horizontal joints, unless otherwise indicated.
<br />2. Products: Subject to compliance with requirements, provide one of the following:
<br />a. Chem-Calk 500; Bostik Construction Products Div.
<br />b. Vulkem 922; Mameco International, Inc.
<br />c. Dualthane; W.R. Meadows, Inc.
<br />d. Dynatrol II; Pecora Corp.
<br />e. Permapol RC-2; Products Research and Chemical Corp.
<br />f. Sikaflex-2c NS; Sika Corp.
<br />g. Sonolastic NP-2; Sonneborn Building Products Div., Rexnord Chemical Products Inc.
<br />h. Dymeric; Tremco Inc.
<br />C. One-Part Nonsag Urethane Sealant for Use T: Type S, Grade NS, Class 25, and complying with the
<br />following requirements for Uses:
<br />1. Uses T, NT, M, G, A, and, as applicable to joint substrates indicated.
<br />a. Provide for exterior concrete paving joints, and for exposed interior concrete slab joints,
<br />subject to foot or vehicular traffic; and equipment and isolation joints.
<br />2. Products: Subject to compliance with requirements, provide one of the following:
<br />a. Chem-Calk 900; Bostik Construction Products Div.
<br />b. Permapal RC-1; Products Research and Chemical Corp.
<br />c. Sikaflex-1a; Sika Corp.
<br />d. Sikaflex-15LM; Sika Corp.
<br />D. One-Part Pourable Urethane Sealant for Use T: Type S, Grade P, Class 25, and complying with the
<br />following requirements for Uses:
<br />1. Uses T, M, A, and, as applicable to joint substrates indicated.
<br />a. Provide for interior concrete slab joints to receive floor finishes.
<br />2. Products: Subject to compliance with requirements, provide one of the following:
<br />a. Chem-Calk 950; Bostik Construction Products Div.
<br />b. Vulkem 45; Mameco International, Inc.
<br />c. NR-201 Urexpan; Pecora Corp.
<br />d. Sonolastic SL-1; Sonneborn Building Products Div., Rexnord Chemical Products Inc.
<br />E. One-Part Nonacid-Curing Silicone Sealant: Type S, Grade NS, Class 25, and complying with the
<br />following requirements for Uses and additional joint movement capability:
<br />1. Uses NT, G, A, and, as applicable to joint substrates indicated.
<br />a. Additional capability, when tested for adhesion and cohesion under maximum cyclic
<br />movement per ASTM C 719, to withstand the following percentage changes in joint width
<br />DocuSign Envelope ID: ECCAC5A0-6CC8-4B37-8AD3-89D69F0AE1AE
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