Minnesota Department of Transportation (MnDOT) · 2025 Standard Specifications for Construction

Section 3731 — Caulking Compound

Minnesota 2025 Standard Specifications for Construction, Section 3731. Full text, cross-references and related pay items on BuildSpec.

3731 CAULKING COMPOUND 3731.1 SCOPE Provide caulking compound meeting the requirements of Federal Specification A-A-272, Caulking Compounds, in the type required by the Contract. If the type is not specified, use Type III—Butyl Rubber or Type IV—100 percent Silicone. 3731.2 REQUIREMENTS Apply the caulking compound in accordance with the manufacturer’s recommendations. Unless the Contract requires otherwise, use near white, light gray, or buff colored caulking compound. 3731.3 SAMPLING AND TESTING Sample and test in accordance with the Schedule of Materials Control .

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