This Government Contract opportunity from Massachusetts was posted on September 17, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Waterproofing, Dampproofing, and Joint Sealants

Closed

State & Local

Submission Closed10/08/2026, 06:00:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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NAICS: 238160

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Firestopping SystemsThis subcontract opportunity, managed by DAS Procurement for the State of Connecticut, involves the installation of firestopping systems for joints and penetrations on various state facility projects. The selected contractor will work under prime contractors to seal fire-resistance-rated and smoke-resistant assemblies, ensuring all work adheres to ASTM E119, ASTM E814, and UL 1479 standards to deliver certified fire-rated seals. The project falls under NAICS code 238160 and was posted on November 2, 2026. Interested parties must submit their responses by the deadline of December 21, 2026, at 3:00 PM. Further details and submission guidelines can be accessed through the CTSource Bid Board portal.

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EPDM Membrane Roof InstallationThis subcontract for the New Hampshire Department of Environmental Services involves the installation of a watertight EPDM roofing system at Water Resources Bureau facilities. The scope of work includes preparing the concrete deck, installing a self-adhered vapor barrier, applying mechanically attached tapered polyisocyanurate insulation, and laying a 0.060 EPDM membrane. The contractor is responsible for flashing all rooftop penetrations and conducting drainage tests to ensure system integrity. To qualify, the contractor must provide manufacturer certification to secure a 20-year warranty and maintain strict compliance with NFPA 51B standards. The final deliverable is a fully completed roof accompanied by both manufacturer and contractor warranties. Interested parties must respond by November 30, 2026, under NAICS code 238160.

Department Of Environmental Services

POSTED

about 18 hours ago

DEADLINE

in 27 days

AI Contract Overview

This subcontract for the City of Cambridge involves the installation of waterproofing systems and the application of joint sealants for facility projects. The scope of work focuses on protecting the building envelope from moisture infiltration through the use of air barrier membranes and industrial joint sealants to ensure sealed joints and waterproofed building transitions. The opportunity is managed by the Massachusetts Purchasing agency and is categorized under NAICS code 238160. Interested parties must submit their responses by the deadline of October 8, 2026, following the posting date of September 17, 2026.

General Info

City of Cambridge subcontract for waterproofing and joint sealants due October 8, 2026.

Agency

Massachusetts → Purchasing

NAICS

238160 - Roofing Contractors

Place of Performance

MA, USA

Set-Aside

NONE

Documents

This scope was carved out of COC-CIFB-FY27-31196.

The full solicitation package (3 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

689 Mass Ave Roofing Replacement - Filed Sub Bids

AI Contract Breakdown

Uniform Contract Format

No documents to break down

The breakdown needs solicitation documents. None were found from this contract's source.

Timeline

PhaseClosed

PostedSep 17

subcontract

Response DeadlineOct 8

Deadline has passed

Submission Closed

10/08/2026, 06:00:00 PM UTC

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Organization & Contact Information

AgencyMassachusetts → Purchasing

ContactsNo contacts available

OfficeN/A

Organization / AgencyMassachusetts → Purchasing

Office AddressN/A

ContactsNo contact information available

Full Description

Installs waterproofing systems and applies joint sealants for prime contractors on City of Cambridge facility projects. Applies air barriers and joint sealants to the building envelope to prevent moisture infiltration. Uses air barrier membranes and industrial joint sealants. Delivers sealed joints and waterproofed building transitions.