industrial & municipal fiberglass fabrication

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Glass•Steel®, Inc. fiberglass fabrication
Flat Covers over Effluent Trough with Integral Doors to access weirs for maintenance. At one end of this Control Cover the wall angle edge. The opposite end of the cover is supported by fiberglass plate columns and also can work as a seal surface.

Launder Covers, Mooney WWTP Woodbridge, VA (Algae Covers- Unsealed). Covers are walkable with non-skid and integral hatches

Fiberglass Covers being installed from above

This is a raised equipment drop-in access door assembly for Ontario, CA. This fabricated door assembly can be provided with sealed or non-sealed applications. Raised doors are used to protect equipment that protrudes above the concrete deck. Both halves are hinged for total access.

Download the Tank & Launder Cover Brochures to view product information, configurations, specifications and technical details for Glass-Steel, Inc. fiberglass launder cover systems.

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Fiberglass Tank &  Launder Covers - For Water, Wastewater, and Industrial Applications

Download the Tank & Launder Cover Brochures to view product information, configurations, specifications and technical details for Glass-Steel, Inc. fiberglass launder cover systems.

Fiberglass Structural Support framing for full tank odor control covers at Wolf Creek WWTP Abington, VA

This flat drop-in floor access door is also installed in Ontario, CA. The flange around the opening is 6" x 6" x 1/4" and can be recessed if a form out is done prior to installation or it can be set in as-is without creating a tripping hazard. This door was installed in an existing structure. This door also can be provided sealed or not sealed.

Typical circular cover for Clarifier Launder

4-Piece flat walkable odor control cover over Aeration Carrousel with Integral Access Hatch.

Marianna, FL

Glass-Steel, Inc. custom designs and fabricates fiberglass tank cover systems for water, wastewater and industrial applications. Tank covers can be configured for different loading, span, chemical-resistance, fire-retardant, smoke-generation and access requirements.

Systems can incorporate access doors, removable panels, cut-outs, stub-outs and sealed penetrations to accommodate piping and equipment. Fiberglass material and structural systems are selected according to the requirements of each project.

Glass-Steel®, Inc. custom fabricates fiberglass launder cover systems for circular and rectangular clarifiers. Launder covers can be designed for odor control, algae control and other project-specific requirements. Access panels and other features can be incorporated where needed.

This flat drop-in floor access door is also installed in Ontario, CA. The flange around the opening is 6" x 6" x 1/4" and can be recessed if a form out is done prior to installation or it can be set in as-is without creating a tripping hazard. This door was installed in an existing structure. This door also can be provided sealed or not sealed.
This is a raised equipment drop-in access door assembly for Ontario, CA. This fabricated door assembly can be provided with sealed or non-sealed applications. Raised doors are used to protect equipment that protrudes above the concrete deck. Both halves are hinged for total access.
A raised support system had to be installed around the inside of the thickener to raise the bottom flange of the center walkway beams. Each cover has an integral structural support system built into the underside of the cover to allow the cover to span up to 18 feet. When the covers are removed, the supports being part of the cover are also removed to allow total access to the tank

Full Odor Control Cover over thickeners at Parkesburg, WV WWTP with Integral Access Hatches to all of the primary maintenance areas.

Fiberglass Laundry Covers being installed from above
Glass-Steel fiberglass covers installed over Hyperion screw pumps in Playa Del Rey, CA
Two 5-Piece flat walkable odor control covers over Aeration Carrousel Access Hatch
Custom FRP screw pump cover system for Hyperion in Playa Del Rey, California

Fiberglass Launder Covers

Fiberglass Tank & Launder Cover Technical Brochure

Custom FRP Tank & Launder Cover Systems

Flat Covers over Effluent Trough with Integral Doors to access weirs for maintenance. At one end of this Control Cover the wall angle edge. The opposite end of the cover is supported by fiberglass plate columns and also can work as a seal surface.

A raised support system had to be installed around the inside of the thickener to raise the bottom flange of the center walkway beams. Each cover has an integral structural support system built into the underside of the cover to allow the cover to span up to 18 feet. When the covers are removed, the supports being part of the cover are also removed to allow total access to the tank

Fiberglass screw pump covers at the Hyperion facility in Playa Del Rey, California

Typical circular cover for Clarifier Launder

Glass-Steel®, Inc.  can provide custom fiberglass launder cover systems in a variety of configurations to accommodate treatment equipment, access requirements and site-specific conditions.

Systems can be designed for different spans and configurations, with access panels and other features incorporated where required by the application.

Glass-Steel®, Inc. designs and fabricates fiberglass tank and launder cover systems for project-specific applications. The examples below show typical cover configurations, access features and installed systems. Refer to the technical brochures or contact Glass-Steel®, Inc. for project-specific requirements.

4-Piece flat walkable odor control cover over Aeration Carrousel with Integral Access Hatch. Marianna, FL
Full Odor Control Cover over thickeners at Parkesburg, WV WWTP with Integral Access Hatches to all of the primary maintenance areas.

Fiberglass Launder Cover Applications.

Here shows a Launder Cover opening above an Odor Control above an Odor Control Cover. Depicted as a sealed application with Fiberglass plates installed to accommodate wall opening also provides hanger supports for cover.

Glass-Steel®, Inc. designs and fabricates Fiberglass Reinforced Plastic (FRP) tank and launder cover systems for water and wastewater treatment applications. Cover systems can be designed for odor control, algae control, equipment protection, access requirements and other project-specific applications.

Systems are custom designed and fabricated according to project requirements, with fiberglass composite materials, structural configurations, access panels, doors, cut-outs and other features selected for the application.

Launder Covers, Mooney WWTP Woodbridge, VA (Algae Covers- Unsealed). Covers are walkable with non-skid and integral hatches

Need a Fiberglass Cover Solution?

Download the Tank & Launder Cover Brochures to view product information, configurations, specifications and technical details for Glass-Steel, Inc. fiberglass launder cover systems.

Contact Glass-Steel®, Inc. to discuss your project requirements, specifications and custom fabrication needs.

Two 5-Piece flat walkable odor control covers over Aeration Carrousel Access Hatch

Launder Covers, Mooney WWTP Woodbridge, VA (Algae Covers- Unsealed). Covers are walkable with non-skid and integral hatches
A raised support system had to be installed around the inside of the thickener to raise the bottom flange of the center walkway beams. Each cover has an integral structural support system built into the underside of the cover to allow the cover to span up to 18 feet. When the covers are removed, the supports being part of the cover are also removed to allow total access to the tank
  • Custom designed + fabricated for each application
  • Sealed + non-sealed cover systems
  • Walkable configurations available
  • Odor control + algae control applications
  • Circular + rectangular configurations
  • Access doors + removable panels
  • Cut-outs + stub-outs for piping and equipment
  • Fiberglass structural support systems
  • Multiple fiberglass composite material options
  • Project-specific span + loading requirements

Odor Control Covers over launders in Secondary Clarifiers at Parkersburg, WV WWTP. Covers have integral access doors for maintenance.

Frequently Asked Questions

for Water, Wastewater, and Industrial Applications.

What are fiberglass tank and launder covers used for?

Glass-Steel®, Inc. fiberglass tank and launder covers are used in water, wastewater and industrial applications for odor control, algae control, equipment protection, treatment-area coverage and project-specific access requirements.

Can Glass-Steel®, Inc. custom design tank and launder covers?

Yes. Glass-Steel®, Inc. custom designs and fabricates fiberglass tank and launder cover systems to meet project-specific dimensions, loading, span, access, structural and application requirements.

Can fiberglass covers be designed for odor control?

Yes. Fiberglass tank and launder cover systems can be designed for odor-control applications, including sealed cover configurations where required by the project.

Are walkable fiberglass cover systems available?

Yes. Walkable fiberglass cover configurations are available depending on the application, structural requirements and selected cover system.

Can covers include access doors and removable panels?

Yes. Glass-Steel®, Inc. cover systems can incorporate access doors, removable panels and other access features to accommodate operation and maintenance requirements.

Can tank covers include cut-outs and stub-outs for piping?

Yes. Fiberglass tank covers can be fabricated with cut-outs, stub-outs and sealed penetrations to accommodate piping, equipment and other project-specific requirements.

What fiberglass materials and resin systems are available for cover systems?

Glass-Steel®, Inc. selects fiberglass composite materials and resin systems according to project requirements. Isophthalic polyester resin systems are available, along with vinyl ester and other resin systems where required by the application.

Are sealed and non-sealed fiberglass cover systems available?

Yes. Glass-Steel®, Inc. can provide both sealed and non-sealed fiberglass cover systems depending on the treatment process, odor-control requirements and project design.

Here shows a Launder Cover opening above an Odor Control above an Odor Control Cover. Depicted as a sealed application with Fiberglass plates installed to accommodate wall opening also provides hanger supports for cover.

Hyperion Screw Pump Covers - Playa Del Rey, CA

Designed for Project-Specific Requirements

Fiberglass Tank Covers

Fiberglass Structural Support framing for full tank odor control covers at Wolf Creek WWTP Abington, VA

Tank + Launder Cover Features

Fiberglass Cover Details

  • ​Circular Clarifiers
  • Rectangular Clarifiers
  • Clarifier Trough Areas
  • Aeration Tanks
  • Water Treatment Applications
  • Wastewater Treatment Applications
  • Odor Control Applications
  • Sealed Emission-Control Areas
  • Non-Sealed Cover Applications

Fiberglass Tank & Launder Covers