This Government Contract opportunity from California was posted on July 16, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Joint Sealants & Waterproofing

Closed

State & Local

Submission Closed09/10/2026, 09:00:00 PM UTC

Contract Overview

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

Active Opportunities Like This One

NAICS: 238160

New

Inland Empire Job Corps-Request for Quote Roof Design & Build

Solicitation # inland-empire-job-corps-request-quote-roof-design-build

Management & Training Corporation is seeking quotes for a fixed-price design-build subcontract to construct an over-build enclosure for the lower roof of Building G at the Inland Empire Job Corps Center in San Bernardino, California. The project involves designing and installing a roof covering approximately 800 gross square feet, featuring a 3% sloped roof with a single ply, EPDM 60 mil roofing system over wood or metal decking. The scope includes structural framing that extends existing bearing walls or utilizes a new post-beam system, the installation of three LED strip light fixtures with one emergency backup, and strict adherence to OSHA safety standards and the Architectural Barriers Act Accessibility Standard of 2007. The total period of performance is 240 days, with a requirement to complete the work within 100 consecutive business days following the Notice to Proceed. Bids are due by November 2, 2026, and will be evaluated based on overall best value. This is a small business set-aside opportunity open to various SBA certifications. For bids equal to or greater than $25,000, a bid bond of 20% of the base bid is required, and the awarded contractor must provide performance and payment bonds from a surety with at least an A- rating. Bidders must conduct a physical site visit and sign an attendance roster to be eligible. The project is subject to Construction Wage Rate Requirements, necessitating compliance with California prevailing wages and the submission of weekly certified payroll reports. Additionally, all inspections and testing must be conducted by an independent, third-party agency registered in California. Required insurance minimums include 1 million dollars per occurrence for general liability, 1 million dollars for auto, and 500,000 dollars for workers compensation.

Inland Empire Job Corps

POSTED

DEADLINE

Roofing & Thermal ProtectionThis subcontract for Roofing and Thermal Protection involves the installation of comprehensive roofing systems and moisture barriers for pump station projects within the City of Lawrence, Kansas. The scope of work requires the contractor to install TPO membrane roofing, fluid-applied membrane air barriers, joint sealants, trim, and sheet metal flashing to ensure a completely watertight roof and building envelope. Managed by MSO - CMED for the state of Kansas under NAICS code 238160, the opportunity was posted on October 27, 2026. Interested parties must submit their responses by the deadline of December 8, 2026.

POSTED

DEADLINE

Internal/Concealed Gutter Installation and WaterproofingThis subcontract for Internal/Concealed Gutter Installation and Waterproofing involves the removal and installation of internal gutter systems for a three-story courthouse project in Walton County, Florida. The selected contractor will be responsible for removing existing systems, flashing, and liners, and installing new gutters, liners, flashing, and waterproofing components. To ensure the integrity of the installation, the contractor must execute controlled water-infiltration tests to deliver a fully watertight internal drainage system. Qualified bidders must hold a valid Florida CCC or CSC license. The solicitation was posted on October 27, 2026, with a response deadline of November 19, 2026. This project falls under NAICS code 238160 and is managed through the Facility Maintenance agency for the state of Florida.

POSTED

DEADLINE

REPLACE THE GUTTERS AT THE DEFUNIAK COURTHOUSE

Solicitation # 05-27

Walton County is soliciting competitive quotations for the complete removal and replacement of the internal and concealed gutter system at the three-story DeFuniak Springs Courthouse in Florida. The selected contractor must provide all labor, supervision, equipment, and materials necessary to install a durable, watertight drainage system, including the removal of deteriorated flashing, sealants, and liners. Key requirements include performing a preconstruction assessment to verify dimensions, conducting a controlled water test upon completion, and ensuring all restoration materials are compatible with the existing building. The project requires a final walkthrough with the owner and a comprehensive site cleanup to return the area to its preconstruction condition. Qualified respondents must hold a valid Florida contractor license, such as a Certified General, Building, Roofing, or Sheet Metal Contractor license. Submissions must include a total lump-sum base quotation with an itemized breakdown, a proposed project schedule detailing mobilization and duration, warranty information for both workmanship and materials, and two professional references. The deadline for responses is November 19, 2026, at 12:00 pm, with all submissions and clarifications handled through the OpenGov Procurement portal. Award consideration will be based on price and the ability to meet technical and administrative requirements.

POSTED

DEADLINE

Penetration and Joint FirestoppingThis subcontract for Penetration and Joint Firestopping involves providing fire-resistance-rated sealing services for prime contractors on facility projects located in Orange County, Florida. The scope of work includes the installation of silicone foams, intumescent putties, latex sealants, and cast-in-place firestop devices to ensure certified fire-rated seals are established at all floor and wall penetrations. All work must be performed in strict accordance with ASTM E 814, UL 1479, and ASTM E 84 standards. The opportunity is managed by the Florida Administrative Services Procurement Division under NAICS code 238160, with a response deadline set for December 1, 2026.

Administrative Svcs., Procurement Division

POSTED

DEADLINE

Roofing Contractor (EPDM)This subcontract opportunity is for a Roofing Contractor to install a comprehensive elastomeric EPDM membrane roofing system at the Harbor Police Headquarters facility in San Diego. Working under prime contractors for the San Diego Unified Port District, the selected provider will be responsible for delivering a fully waterproof system. The scope of work includes the installation of adhered conventional EPDM membranes, flat and tapered insulation, vapor barriers, substrate boards, roofing stack boots, expansion joints, and walkway pads. The solicitation was posted on October 27, 2026, with a response deadline of December 9, 2026. This project falls under NAICS code 238160 and is specifically focused on the technical execution of a high-performance roofing stack to ensure the long-term integrity of the government facility.

San Diego Unified Port District

POSTED

DEADLINE

Sheet Metal and Flashing SpecialistThis subcontract opportunity with the San Diego Unified Port District involves the fabrication and installation of sheet metal flashing and trim for the Harbor Police Headquarters facility projects. The selected specialist will be responsible for delivering complete waterproof flashing systems, including flexible flashing, perimeter and penetration flashings for roofing and siding, and masonry flashing at foundation walls. The project is located in San Diego and falls under NAICS code 238160. Interested parties must submit their responses by the deadline of December 9, 2026.

San Diego Unified Port District

POSTED

DEADLINE

Residential Roofing Repair and MaintenanceThis subcontract agreement involves the provision of repair, upgrade, and maintenance services for roofing systems on residential property projects managed by Ipswich Borough Council. The selected contractor will work under prime contractors to execute specialized construction tasks using materials such as roofing membranes, tiles, slates, and flashing. All work must be performed in accordance with UK building regulations to ensure the delivery of weather-tight and fully functional roofing systems. The opportunity was posted on October 27, 2026, with a response deadline of November 25, 2026. Classified under NAICS code 238160 and CPV 45260000, the contract focuses on essential residential infrastructure improvements within the jurisdiction of the Ipswich Borough Council.

Ipswich Borough Council

POSTED

DEADLINE

Building Envelope and FinishesThis subcontract opportunity involves performing building envelope repairs and interior finish work for prime contractors on projects managed by the Houston County Board of Commissioners in Georgia. The scope of work includes the installation of unit masonry, joint sealers, penetration firestopping, door hardware, and glazing, as well as interior painting. All deliverables must be completed in accordance with the provided project specifications. The solicitation is categorized under NAICS code 238160 and was posted on October 27, 2026. Interested parties must submit their responses by the deadline of December 10, 2026. Further details regarding the event can be accessed through the Georgia Department of Administrative Services portal.

Houston County Board of Commissioners

POSTED

DEADLINE

EPDM Roofing System (Supply & Install)This subcontract opportunity involves the supply and installation of mechanically-fastened EPDM roofing systems for the Bradley Academy Museum exterior renovation projects. The selected contractor will be responsible for installing EPDM membranes along with all necessary flashing and accessories over prepared substrates, ensuring the final delivery of a fully waterproof roofing system that adheres to all standard roofing codes. Managed by the Tennessee Parks and Recreation agency under NAICS code 238160, the project was posted on October 27, 2026. Interested parties must submit their responses by the deadline of November 17, 2026.

POSTED

DEADLINE

Liquid Applied Membrane SpecialistThis subcontract opportunity is for a Liquid Applied Membrane Specialist to provide waterproofing and sealing services for prime contractors on Glendale Unified School District facility projects in Glendale, California. The selected contractor will be responsible for applying liquid-applied membranes to designated roof areas and penetrations according to project drawings to ensure complete watertight integrity. To qualify for this role, contractors must hold a valid CSLB license and provide the necessary manufacturer installation certifications. Interested parties must submit their responses by November 18, 2026.

Glendale Unified School District

POSTED

DEADLINE

Modified Bituminous Membrane Roofing InstallerThis subcontract opportunity is for a Modified Bituminous Membrane Roofing Installer to perform work on Glendale Unified School District facility projects in Glendale, California. The selected contractor will be responsible for installing Cold Applied 2-Ply Thermoplastic Hybrid Roof Systems, which includes the removal of existing membranes and insulation, filling low spots, installing wood nailers, and applying KEE-Stone HP membranes and flashings in accordance with NRCA manuals. Additional requirements include the installation of metal pans and 8 inch equipment pads to ensure a completely watertight roof. To qualify for this project, contractors must possess a valid CSLB license and undergo criminal background fingerprinting. The final delivery must include both a manufacturer warranty and a 5-year installer warranty. Interested parties must submit their responses by the deadline of November 18, 2026.

Glendale Unified School District

POSTED

about 23 hours ago

DEADLINE

in 21 days

AI Contract Overview

This subcontract for the San Diego Association of Governments involves the supply and installation of joint fillers, gaskets, and silicone sealants for infrastructure projects in San Diego. The scope of work includes the application of closed-cell neoprene expansion joint fillers, polyethylene foam backer rods, and silicone-based sealants meeting ASTM C920 standards, as well as asphalt expansion joint filler compliant with ASTM D994. The primary objective is to deliver fully sealed expansion joints and waterproofed interfaces for prime contractors. The opportunity was posted on July 16, 2026, with a response deadline of September 10, 2026. Classified under NAICS code 238160, the contract is specifically designated for performance within the 92101 zip code area of San Diego, California.

General Info

Subcontract for joint filler and sealant installation for San Diego infrastructure projects.

Agency

California → San Diego Association of Governments

NAICS

238160 - Roofing Contractors

Place of Performance

San Diego, CA, 92101, USA

Set-Aside

NONE

Documents

This scope was carved out of SOL1630425.

The full solicitation package (18 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

San Dieguito Lagoon Double Track Project

AI Contract Breakdown

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Timeline

PhaseClosed

PostedJul 16

subcontract

Response DeadlineSep 10

Deadline has passed

Submission Closed

09/10/2026, 09:00:00 PM UTC

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Organization & Contact Information

AgencyCalifornia → San Diego Association of Governments

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → San Diego Association of Governments

Office AddressN/A

ContactsNo contact information available

Full Description

Supplies and installs joint fillers, gaskets, and silicone sealants for prime contractors on SANDAG infrastructure projects. Installs closed-cell neoprene expansion joint fillers, silicone-based sealants (ASTM C920), and polyethylene foam backer rods. Uses asphalt expansion joint filler per ASTM D994. Delivers sealed expansion joints and waterproofed interfaces.