This Government Contract opportunity from California was posted on September 5, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Waterproofing and Joint Sealants

Closed

State & Local

Submission Closed10/08/2026, 05:00:00 PM UTC

Contract Overview

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

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NAICS: 238390

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SLED

Harford County Public Schools

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Applied Fire ProtectionThis subcontract for Applied Fire Protection involves the application of fire-resistive coatings to structural steel members for prime contractors working on Harford County Public Schools facility projects in Maryland. The scope of work requires the application of intumescent or spray-on fire protection in strict accordance with Section 07 81 00 to ensure the delivery of fire-rated structural steel members. Qualified providers must hold manufacturer certification for the specific fireproofing products used. The solicitation was posted on October 26, 2026, with a response deadline of October 29, 2026. This project falls under NAICS code 238390.

Harford County Public Schools

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Interior Carpentry and Build-OutThis subcontract for Interior Carpentry and Build-Out involves performing interior modifications and build-outs for prime contractors at the University of California, Berkeley. The scope of work includes the construction of a new accessible entrance at Barrow Lane, the relocation of a lactation room, and the installation of a security vestibule along with stairwell modifications. All framing and drywall work must adhere to the 2025 California Building Code, and the contractor is required to coordinate directly with the UC Berkeley Fire Marshall to deliver completed structural partitions and room modifications. The project is located in Berkeley, California, under NAICS code 238390. Interested parties must note that the response deadline is November 6, 2026, with the solicitation having been posted on October 26, 2026.

University of California, Berkeley

POSTED

DEADLINE

Interior Finishes InstallationThis subcontract for Interior Finishes Installation involves performing general finish upgrades for prime contractors on facility projects within the Cupertino Union School District. The scope of work focuses on the installation of interior architectural finishes, specifically including flooring, ceiling tiles, and baseboards, to deliver completed interior spaces. The project is located in Cupertino, California, under NAICS code 238390. Interested parties should note that the solicitation was posted on October 26, 2026, with a response deadline of October 29, 2026.

Cupertino Union School District

POSTED

DEADLINE

Joint SealantsThis subcontract opportunity is for the application of joint sealants to building envelopes on projects managed by the City of Monterey Department of Public Works. The selected contractor will be responsible for performing professional caulking and sealing of joints to ensure the prevention of water infiltration, with the final deliverable being fully sealed joints. The project is located in Monterey, California, under NAICS code 238390. Interested parties must submit their responses by the deadline of December 1, 2026.

City Of Monterey Department Of Public Works

POSTED

DEADLINE

Joint SealantsThis subcontract opportunity, managed by DAS Procurement for the state of Connecticut, involves the application of elastomeric joint sealants for the A. Ward Spaulding Elementary School renovation projects. The selected contractor will be responsible for performing necessary surface preparation and applying sealants to exterior joints to ensure they are weather-tight, requiring close coordination with masonry and sheet metal work to deliver fully sealed exterior joints. The project falls under NAICS code 238390 and was posted on October 26, 2026. Interested parties must submit their responses by the deadline of November 20, 2026, at 4:00 PM. Further details and submission guidelines can be accessed through the CTSource Bid Board portal.

POSTED

DEADLINE

Joint Sealants & CaulkingThis subcontract agreement involves the supply and installation of joint and acoustical sealants for prime contractors working on facility projects at Bowling Green State University. The scope of work specifically requires the application of sealants to joints in accordance with Sections 07 92 00 and 07 92 19 to ensure the delivery of proper sealed joints and acoustical barriers. The project is managed by Bowling Green State University Campus Construction under NAICS code 238390. Interested parties must note the tight response window, with the solicitation posted on October 26, 2026, and the response deadline set for October 29, 2026.

Bowling Green State University - Campus Construction

POSTED

DEADLINE

Window Treatments & CountertopsThis subcontract opportunity with Bowling Green State University Campus Construction involves the supply and installation of roller window shades and solid surfacing countertops for various facility projects. The selected contractor will be responsible for delivering and installing window treatments under specification 12 24 13 and solid surface counters under specification 12 36 61.16, working as a subcontractor for prime contractors. The project falls under NAICS code 238390. Interested parties must note the tight response window, with the solicitation posted on October 26, 2026, and the response deadline set for October 29, 2026.

Bowling Green State University - Campus Construction

POSTED

DEADLINE

Waterproofing and Sealant ContractorThis subcontract agreement is for a Waterproofing and Sealant Contractor to support the Nestor Hall Envelope Upgrades for Columbus State Community College. The selected contractor will be responsible for delivering watertight and fire-rated building envelope seals by performing flashing, joint sealing, and firestopping services for the prime contractor. Specific technical requirements include the installation of sheet metal and through-wall masonry flashings, the application of preformed joint sealants for control and expansion joints according to ASTM C794 standards, and the installation of firestop sleeves in rated wall areas. The opportunity is categorized under NAICS code 238390 and was posted on October 25, 2026. Interested parties must submit their responses by the deadline of October 29, 2026, at 5:30 PM.

Columbus State Community College

POSTED

DEADLINE

Joint Sealant ApplicationThis subcontract opportunity is for the supply and application of joint sealants on Michigan Department of Technology, Management and Budget correctional facility projects. The selected contractor will work under prime contractors to apply sealants to joints specifically associated with new security glazing installations and door frames to ensure all joints are weather-tight and properly sealed. The project falls under NAICS code 238390 and is managed by the state of Michigan. Interested parties must note the response deadline of October 28, 2026, following the posting date of October 24, 2026.

POSTED

DEADLINE

Building Specialties & AppliancesThis subcontract for the Town of Halifax in Massachusetts involves the supply and installation of various building specialties and residential appliances for the Halifax Senior Center project. The scope of work includes the delivery and installation of signage, toilet compartments, fire extinguishers, residential appliances, and floor mats. The project falls under NAICS code 238390 and is managed through a prime contractor. Interested parties should note that the solicitation was posted on October 23, 2026, with a response deadline set for November 23, 2026.

POSTED

DEADLINE

Joint Sealant SpecialistThis subcontract opportunity for a Joint Sealant Specialist involves the supply and installation of high-performance sealants for prime contractors working on City of Fort Worth airport projects. The scope of work includes the removal of existing backer rods and the application of nonstaining silicone joint sealants meeting ASTM C920 standards, as well as urethane joint sealants. These materials will be applied to masonry and metal panel joints across vertical surfaces and horizontal non-traffic areas to ensure weather-resistant exterior joints. The project is categorized under NAICS code 238390 and is associated with the City of Fort Worth in Texas. Interested parties must submit their responses by the deadline of December 10, 2026. Further details and submission guidelines can be accessed through the official Bonfire hub portal.

City Of Fort Worth

POSTED

4 days ago

DEADLINE

in about 1 month

AI Contract Overview

This subcontract opportunity with the City of Irvine in California involves the application of cold fluid-applied waterproofing and the installation of joint sealants for prime contractors. The scope of work specifically includes the delivery of waterproofed surfaces and the application of below-grade vapor barriers using Stego products. The project falls under NAICS code 238390 and is located in Irvine, California, zip code 92618. Interested parties must submit their responses by the deadline of October 8, 2026, at 5:00 PM.

General Info

Waterproofing and joint sealant subcontract for City of Irvine; deadline October 8, 2026.

Agency

California → City of Irvine

NAICS

238390 - Other Building Finishing Contractors

Place of Performance

Irvine, CA, 92618, USA

Set-Aside

NONE

Documents

This scope was carved out of GP-26-0022.

The full solicitation package (25 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Canopy 2 Site Improvements

AI Contract Breakdown

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Timeline

PhaseClosed

PostedSep 5

subcontract

Response DeadlineOct 8

Deadline has passed

Submission Closed

10/08/2026, 05:00:00 PM UTC

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Organization & Contact Information

AgencyCalifornia → City of Irvine

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → City of Irvine

Office AddressN/A

ContactsNo contact information available

Full Description

Performs cold fluid-applied waterproofing and installation of joint sealants for prime contractors on City projects. Applies below-grade vapor barriers (Stego) and fluid-applied waterproofing. Delivers waterproofed surfaces and sealed joints.