This Subcontract opportunity from Illinois was posted on September 18, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Joint Sealants and Weatherproofing

Closed

State & Local

Submission Closed10/01/2026, 02:00:00 PM CDT

Contract Overview

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

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NAICS: 238160

New

SLED

Roofing & WaterproofingThis subcontracting opportunity is for the installation of roofing, flashing, and waterproofing systems for prime contractors working on San Diego County Department of Parks and Recreation projects. The scope of work focuses on delivering a watertight building envelope through the application of fluid-applied waterproofing, weather barriers, sheet metal roofing, and flashing. The project is located in San Diego and falls under NAICS code 238160. Interested parties must submit their responses by the deadline of December 16, 2026, following the posting date of November 6, 2026.

POSTED

DEADLINE

Fire Protection & StoppingThis subcontract opportunity involves the installation of fire-rated assemblies and firestopping for prime contractors working on San Diego County Department of Parks and Recreation projects. The scope of work includes the delivery of certified fire-rated barriers, as well as the installation of fire and smoke assemblies, intumescent coatings, and cementitious or mineral fiber protection. The project is located in San Diego and falls under NAICS code 238160. Interested parties must submit their responses by the deadline of December 16, 2026.

POSTED

DEADLINE

Roofing & Weatherproofing SpecialistThis subcontract opportunity is for a Roofing and Weatherproofing Specialist to support historic restoration projects for the Confederated Tribes of the Colville Reservation. The selected contractor will work under prime contractors to deliver a completely watertight building envelope. Key responsibilities include the installation of temporary roof protection, new roof sheathing, and waterproofed roofing systems, as well as the repair of deteriorated end rafters and overhangs. The project falls under NAICS code 238160. Interested parties must submit their responses by the deadline of December 4, 2026. This engagement focuses on specialized weatherproofing and roofing installations to ensure the preservation and structural integrity of historic tribal buildings.

Confederated Tribes of the Colville Reservation

POSTED

DEADLINE

Modified Bitumen Roof System InstallationThis subcontract involves the installation of a District-furnished modified bitumen roof system for prime contractors working on Palm Springs Unified School District projects. The scope of work includes powerwashing existing roofs with Simple Green, removing blisters, heat-welding PVC strips over cuts, and performing water tests on drainage systems to ensure a fully restored and functional roof system. Eligible contractors must hold a license under the California Business and Professions Code Division 3, Chapter 9, and maintain registration with the Department of Industrial Relations to ensure compliance with prevailing wage requirements. The solicitation was posted on November 5, 2026, with a response deadline of November 19, 2026.

Maintenance & Operations

POSTED

DEADLINE

PSHS 600 Bldg. Roof Restoration Project

Solicitation # 26-27-04

The PSHS 600 Bldg. Roof Restoration Project, solicitation number 26-27-04, is a labor-only contract for the Palm Springs Unified School District to perform a single ply surface roof restoration on the 600 Building at Palm Springs High School. The scope involves installing a modified bitumen roof system using materials furnished by the District via CMAS Contract # 4-20-56-0006B, specifically utilizing products manufactured by The Garland Company. The contractor is responsible for providing all labor, equipment, and miscellaneous materials, including the application of Liquitec FG and mesh to penetrations. The project must be executed in accordance with the NRCA Roofing and Waterproofing Manual, with final acceptance requiring written notice from the roofing system manufacturer following a joint inspection of roof surfaces, edges, and flashing. The contract will be awarded to the lowest responsive responsible bidder, with the District reserving the right to deem unbalanced bids as non-responsive. Bidders must submit sealed bids by November 19, 2026, including their taxpayer identification, DIR registration, and contractor license details. Required financial securities include a 10 percent bid bond, and the successful bidder must provide 100 percent performance and payment bonds. Strict material handling and storage protocols are mandated, including specific temperature controls for adhesives and weather-tight storage for roofing sheets. Additionally, the project is subject to California Labor Code prevailing wage requirements, and contractors must certify they are not engaged in investment activities in Iran if the contract value reaches $1,000,000 or more.

Maintenance & Operations

POSTED

DEADLINE

Roofing and WaterproofingThis subcontracting opportunity is for roofing and waterproofing services to support prime contractors on facility projects for the Valley Center-Pauma Unified School District in Valley Center, California. The selected contractor will be responsible for installing flashing, roofing membranes, and waterproofing systems to ensure the delivery of weather-tight roof systems. Qualified applicants must possess a valid California State Contractor's License and maintain registration with the Department of Industrial Relations. The solicitation was posted on November 5, 2026, and the deadline for responses is March 5, 2027.

Valley Center-Pauma Unified School District

POSTED

DEADLINE

CIP 26-012 Jail Subsurface Water Remediation

Solicitation # 49529

The CIP 26-012 Jail Subsurface Water Remediation project, managed by Lucas County Facility Management, involves comprehensive water remediation and structural repairs at the Lucas County Corrections Center in Toledo, Ohio. The scope of work includes the installation of a new roof over the existing structural concrete system, concrete repair for roof damage, and extensive basement water remediation. Specific technical tasks include the removal of spalled and delaminated concrete, cleaning and replacement of reinforcing steel, structural and non-structural crack repair via epoxy injection and stitching, and the application of a breathable coating system for below-grade walls. The project also encompasses renovations to the exterior plaza, basement walls, and subbasement, all of which must comply with the 2024 Ohio Building Code and 2008 ADA Standards for Accessibility. The contract will be awarded to the lowest responsive and responsible bidder, with evaluation factors including financial condition, past performance, and compliance with OSHA and Ohio prevailing wage laws. Bidders must provide a mandatory bid bond, and the successful contractor must furnish performance and payment bonds. Key deliverables include a 20-year manufacturer waterproofing warranty and a minimum 2-year installer workmanship warranty. Payment is structured as monthly itemized applications, with partial payments for labor and materials issued at 92 percent of the invoiced amount once the project reaches 50 percent completion. All materials must be delivered in original manufacturer packaging and stored according to strict environmental guidelines to prevent freezing or contamination.

Lucas County, OH Facility Management

POSTED

DEADLINE

Building Envelope and Roofing ContractorThis subcontract opportunity is for a Building Envelope and Roofing Contractor to support prime contractors on municipal projects for the City of Hamilton in Canada. The selected contractor will be responsible for removing existing roofing and envelope materials and installing high-performance windows and doors. The primary objective of the work is to deliver an upgraded, energy-efficient building envelope and roof that aligns with specific net-zero energy and carbon performance goals. Interested parties must be able to meet rigorous energy specifications to ensure the project supports long-term sustainability targets. The solicitation was posted on November 5, 2026, with a response deadline of December 3, 2026. This project falls under NAICS code 238160, focusing on specialized roofing and envelope upgrades.

POSTED

DEADLINE

Roofing and WaterproofingThis subcontract for Roofing and Waterproofing involves performing roof patching and sealing services associated with RTU installation for prime contractors on Maryland Department of General Services projects. The work is located at the Western Correctional Institution and focuses on executing minor roof renovation and waterproofing in accordance with Division 07 56 50, 07 62 00, and 07 92 00 to ensure all roof penetrations are watertight. The opportunity is categorized under NAICS code 238160 and was posted on November 5, 2026. Interested parties must submit their responses by the deadline of November 20, 2026.

POSTED

DEADLINE

Exterior Envelope and RoofingThis subcontract for the University of Washington involves the installation of the exterior envelope and roofing for a new 7,200 square foot student center. The selected contractor will be responsible for installing roofing membranes, exterior cladding, and flashing to provide a fully warranted and weather-tight building seal. The solicitation was posted on November 5, 2026, with a response deadline of December 4, 2026. This project falls under NAICS code 238160 and requires the subcontractor to work under prime contractors to deliver a completed building envelope.

University of Washington

POSTED

DEADLINE

Residential Roofing Installation and Decking RepairThis subcontract for Residential Roofing Installation and Decking Repair involves providing comprehensive roofing services for prime contractors on City of Garland residential projects. The scope of work includes the complete removal of existing composition shingles, felt, and fasteners, followed by the replacement of any defective or rotted sheathing with like-kind materials. The contractor is responsible for installing a new, weather-tight roofing system featuring new shingles, metal vents, turbines, flashing, and roof jacks. All work must be performed in strict compliance with Buy America and Buy American Act provisions. Interested parties should note that the response deadline for this opportunity is November 17, 2026. The project falls under NAICS code 238160 and is managed through the City of Garland in Texas.

POSTED

DEADLINE

Home Rehabilitation - 4838 San Gabriel Drive

Solicitation # REQ00003560

The City of Garland is soliciting bids for a single family home rehabilitation project located at 4838 San Gabriel Drive in Garland, Texas. The scope of work primarily involves roof rehabilitation, including the stripping of existing composition shingles and felt, repairing defective sheathing up to 10 percent of the roof area, and installing new roofing shingles along with new metal vents, flashing, roof jacks, and two turbines. All materials must be new and in first-class condition, and the contractor is required to use No 8 ring shank nails for decking installation and coordinate a homeowner inspection before installing new roofing materials. The estimated price range for this CDBG-funded project is between 12,000 and 25,000 dollars. Bids must be submitted electronically via the Ion Wave portal by November 17, 2026, at 3:00 p.m. local time. This is an evaluated bid where the lowest responsible bidder receives the maximum 80 points for price, and partial bids will be deemed non-responsive. Mandatory attendance at the pre-bid walkthrough is required. Vendors must comply with the City of Garland Standard Terms and Conditions, the Texas Prompt Payment Act, and federal regulations including the Davis-Bacon Act for prevailing wages and the Americans with Disabilities Act. Additionally, public works construction requires payment and performance bonds to be furnished before work begins. All communications and questions must be handled through the Ion Wave Question and Answer segment, as emailed or faxed bids and inquiries will not be accepted.

City Of Garland

POSTED

about 22 hours ago

DEADLINE

in 11 days

AI Contract Overview

This subcontract for Joint Sealants and Weatherproofing involves providing specialized weather-sealing and caulking services for door thresholds and joints on Chicago Public Schools facility projects. The contractor is responsible for ensuring weather-tight seals at all door-to-floor and frame-to-wall interfaces, specifically utilizing full-width beads of elastomeric sealant at floor contact points in accordance with Section 07 92 00. The opportunity is managed by Chicago Public Schools in Illinois under NAICS code 238160. Interested parties must submit their responses by the deadline of October 1, 2026, following the posting date of September 18, 2026.

General Info

Joint sealants and weatherproofing subcontract for Chicago Public Schools, due October 1, 2026.

Agency

Illinois → Chicago Public Schools

NAICS

238160 - Roofing Contractors

Place of Performance

IL, USA

Set-Aside

NONE

Documents

This scope was carved out of 26-1441.

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

View the prime solicitation

Crane HS - Jackson Ave Door Replacement - Open to contracted pre-qualified pool for VARIOUS TRADES ONLY

AI Contract Breakdown

Uniform Contract Format

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Timeline

PhaseClosed

PostedSep 18

subcontract

Response DeadlineOct 1

Deadline has passed

Submission Closed

10/01/2026, 02:00:00 PM CDT

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Organization & Contact Information

AgencyIllinois → Chicago Public Schools

ContactsNo contacts available

OfficeN/A

Organization / AgencyIllinois → Chicago Public Schools

Office AddressN/A

ContactsNo contact information available

Full Description

Performs weather-sealing and caulking for door thresholds and joints for prime contractors on Chicago Public Schools facility projects. Sets exterior door thresholds using full-width beads of elastomeric sealant at all floor contact points to provide a continuous weather seal. Requires compliance with Section 07 92 00. Delivers weather-tight seals at all door-to-floor and frame-to-wall interfaces.