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FRP manholes, tanks, lift stations, and pipe for water, wastewater, and industrial service. Project-specific technical support. Direct wholesale pricing.

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ALL FRP manholes with stepped upper risers, showing booted or pipe/coupler connection options

ALL FRPManholes · Tanks · Lift Stations · Pipe

01Manholes 02Tanks 03Lift Stations 04FRP Pipe

Buy direct. Build to specification.

Wholesale pricing without lowering the standard.

All FRP combines technical product knowledge, qualified fabrication, and consolidated sourcing in one wholesale platform. Customers receive project-specific FRP built around the required service conditions—without traditional distribution layers and unnecessary markup.

Why the wholesale model works

Wholesale product systems

Four products. One technical partner.

Review the applications, design inputs, and technical references for each product. Dimensions, ratings, accessories, and testing are confirmed in the project quotation and submittal.

FRP Manholes

Corrosion-resistant access structures for sanitary sewers, interceptors, storm drainage, and industrial collection systems.

Full FRP base & invert
Booted or pipe/coupler connection
Buried service

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Technical overview

Design basis: ASTM D3753 for fiberglass manholes. Diameter, depth, laminate, and stiffness are selected for the actual burial and loading conditions.
Base & flow channel: Full FRP base and shaped invert configurations; identify channel size, slope, benching, and inlet/outlet elevations on the drawings.
Connections: Booted or pipe/coupler connection to suit the connecting pipe. Pipe/coupler connections use a pipe stub laminated into the manhole wall with an external coupler. Confirm actual outside diameter, material, and connection angle.
External loading: Check soil pressure, maximum groundwater, empty-structure buckling, and uplift. Traffic loading requires a coordinated cover, slab, and load-transfer design.
Quality documentation: Specify dimensional inspection, laminate properties, stiffness, cure/hardness, and watertightness verification in the submittal package.

Groundwater design reference

Freshwater adds approximately 0.433 psi of external pressure per foot of water head. At 20 ft of head, pressure at the base is about 8.66 psi. This is a hydrostatic reference, not a manhole depth or pressure rating.

References: ASTM D3753

Include with your inquiry

Diameter, overall depth, rim and invert elevations, pipe outside diameters, connection angles, groundwater elevation, and traffic loading.

Two freestanding fiberglass storage tanks on a concrete pad

FRP Tanks

Storage and process tanks configured for water, wastewater, and chemical service, with resin and corrosion barriers matched to the stored liquid.

Chemical storage
Process service
Custom nozzles

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Technical overview

Design basis: ASTM D3299-26 covers filament-wound and contact-molded tanks for above-ground vertical atmospheric service. Other orientations, buried installations, pressure, or vacuum require a separate design basis.
Chemical compatibility: Identify every chemical, concentration, specific gravity, operating temperature, and cleaning condition. Resin and corrosion-barrier selection follows the actual service.
Capacity & geometry: Specify working gallons, total gallons, diameter, shell height, freeboard, and bottom geometry. Working capacity excludes unusable volume and required freeboard.
Mechanical details: Coordinate nozzle sizes and locations, vents, access openings, supports, anchorage, and any mixer loads. Wind and seismic loads are location-specific.
Pressure & temperature: Define normal and upset conditions, including filling and emptying. Atmospheric service does not establish a pressure or vacuum rating.

Liquid loading reference

Static liquid pressure ≈ 0.433 × specific gravity × liquid depth (ft), in psi. A 10 ft liquid depth at 1.5 specific gravity produces about 6.50 psi at the bottom, before other design loads are considered.

References: ASTM D3299

Include with your inquiry

Chemical and concentration, specific gravity, normal/maximum temperature, working capacity, geometry, nozzle schedule, site location, and operating pressure/vacuum.

Fiberglass lift station cutaway with pumps and internal piping

FRP Lift Stations

Fiberglass wet wells for municipal, commercial, and industrial pumping applications, coordinated with the pump layout and operating levels.

Engineered wet wells
Anti-flotation design
Pump coordination

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Technical overview

Structure standard: ASTM D3753 applies to the fiberglass wet well. Pump, electrical, control, access, and station requirements are defined separately by the project.
Hydraulic sizing: Set diameter and depth from inflow, pump duty, cycle time, operating levels, minimum submergence, and emergency storage requirements.
Base & flotation: Select the bottom and anti-flotation arrangement using maximum groundwater and the empty wet well condition. Concrete ballast and anchorage must be designed for the site.
Factory interfaces: Coordinate inlet stubs, discharge penetrations, vent connections, hatch openings, guide-rail brackets, lifting provisions, and pump support loads.
Supply scope: The quotation identifies the FRP wet well and accessories included, and the responsibility for pumps, controls, piping, hatches, installation, and startup.

Wet well volume reference

For a straight cylinder: US gallons ≈ 5.875 × inside diameter² (ft) × liquid depth (ft). The reference volumes below exclude pumps, piping, sloped floors, and freeboard; they are not a stock-size list.

Approximate gallons per 1 ft of liquid depth
Inside diameter	US gallons
48 in.	94
72 in.	212
96 in.	376
120 in.	588

References: ASTM D3753

Include with your inquiry

Inside diameter and depth, design flow, pump duty and layout, operating levels, penetrations, access opening, groundwater, and equipment scope.

Large-diameter fiberglass pipe in an outdoor storage yard

FRP Pipe

Fiberglass pipe for gravity sewers, force mains, water transmission, and project-specific trenchless installations.

Gravity & pressure
Large diameter
Trenchless review

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Technical overview

Service standards: ASTM D3262 for gravity sewers; ASTM D3517 for pressure pipe; ASTM D3754 for sewer and industrial pressure service. AWWA C950 and Manual M45 apply where specified.
Dimensions: Identify nominal size, actual inside/outside diameter, wall construction, and laying length. Nominal sizes alone do not establish fit with other pipe materials.
Pressure & stiffness: Select pressure class for operating pressure and surge. Select pipe stiffness separately for burial, bedding, deflection, and buckling conditions.
Joints & restraint: ASTM D4161 addresses flexible elastomeric-seal joints. Confirm gasket compatibility, joint deflection, and thrust restraint or thrust-block requirements.
Installation method: Open-cut, sliplining, and jacking require different checks. Jacking pipe needs verified allowable jacking force, joint design, alignment, and launch/reception details.

Read pipe ratings correctly

Pipe stiffness (PS), commonly specified in psi in US projects, is not the internal pressure rating. For example, 36 psi pipe stiffness does not mean a 36 psi operating-pressure rating. International SN values use a different stiffness convention. Specify the test method and units; do not substitute the numbers directly. Available diameters and classes are confirmed with the proposed manufacturer.

References: ASTM D3262 · ASTM D3517 · ASTM D3754 · ASTM D4161

Include with your inquiry

Diameter, footage, gravity slope or pressure/surge, stiffness, cover depth, groundwater, bedding, joint requirements, installation method, and delivery schedule.

Wholesale efficiency. Engineered quality.

Direct pricing backed by disciplined FRP execution.

We help distributors, contractors, owners, and engineers source practical, buildable FRP solutions while preserving the technical requirements that protect performance and service life.

01Application review & material selection

02Project-specific drawings & submittals

03Qualified custom fabrication

04Documented quality control & testing

05Wholesale takeoffs & consolidated purchasing

Built around
your project.Material selection. Drawings. Quality documentation. Delivery coordination.

Field technicians inspecting and repairing an FRP piping system

Field-ready support

Field service & site support

Keep FRP systems moving from delivery through startup.

Field support for our manholes, tanks, lift stations, and pipe can be coordinated for installation planning, inspection, jointing, repairs, and contractor training. Scope and availability are confirmed for each project.

Installation support

Layout review, handling guidance, jointing procedures, and contractor coordination.

Field fabrication

Project-specific joining, tie-ins, penetrations, and fit-up modifications.

Inspection & repair

Condition review, laminate repair planning, hardness checks, and documented closeout.

Training & startup

On-site product orientation and practical support during commissioning.

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Markets served

Infrastructure and industry move differently with FRP.

Water & wastewater

Chemical processing

Power & energy

Pulp & paper

Mining & minerals

Industrial manufacturing

Same technical foundation

Technical references by product.

Standards are selected by application, resin system, pressure, temperature, loading, installation, and owner requirements. The contract-specified edition and approved design govern; a reference here is not a blanket certification of every product.

Manholes

ASTM D3753

Fiberglass manhole materials, physical properties, and performance requirements.

Tanks

ASTM D3299-26

Above-ground vertical atmospheric tanks; the 2026 scope includes filament winding and contact molding.

Lift stations / wet wells

ASTM D3753

Fiberglass wet well requirements. The complete pumping station needs its own hydraulic and equipment specifications.

FRP pipe / gravity

ASTM D3262

Fiberglass pipe for gravity sewer service.

FRP pipe / pressure

ASTM D3517 · ASTM D3754

Pressure pipe, including sewer and industrial pressure service. Use AWWA C950 / M45 where specified.

FRP pipe / joints

ASTM D4161

Joint performance for fiberglass pipe systems using flexible elastomeric seals.

Tank specification update: ASTM D4097 was withdrawn in 2026. Check older specifications against the revised scope of ASTM D3299-26. AWWA reference: C950 and Manual M45.

Wholesale quotes built from the project

Send the takeoff. Get specification-grade FRP pricing.

Send the plans, quantities, dimensions, chemistry, pressure, temperature, and required delivery. We’ll review the scope and return a direct wholesale quotation.

Email the bid desk bids@allfrp.com 713-213-0230