What Silver-Line Plasticsrp does

Silver-Line Plastics LLC is a US manufacturer of plastic pipe products founded in 1962 and headquartered in Asheville, North Carolina. The company produces PVC, CPVC, polyethylene (PE), and cross-linked polyethylene (PEX) pipe in diameters from 1/2 inch through 12 inches, serving plumbing contractors, irrigation professionals, well drillers, gas utilities, industrial users, and electrical contractors across the United States. Its product portfolio includes standard pressure and sewer pipe plus proprietary branded lines such as Ultra-Pure CPVC, Sil-O-PEX Co-Ex dual-layer PEX, Geo-Stripe geothermal PE 4710, Sil-O-Flex polyethylene, IC-2 rated well casing, and the industry's first I/O rated cellular core PVC pipe, all manufactured to a broad set of ASTM and NSF standards.

The company operates three state-of-the-art manufacturing facilities in Asheville NC, Lawton OK, and Fort Pierce FL, supported by territory managers and independent sales representatives covering all US states. Silver-Line sells exclusively to wholesale distributors through a quote-based pricing model with a $100 minimum order, net-30 terms, and cash discounts; it does not sell direct to retail or end consumers. Pricing is not publicly disclosed and remains conditional on credit approval. Marketing is field-sales driven, supplemented by a rep locator, technical documentation (specs, SDS, FAQs), and industry affiliations with PPFA, ASTM, and NSF.

Since August 22, 2019, Silver-Line has been owned by IPEX, a North American plastic pipe and fittings manufacturer, operating under its Silver-Line brand and maintaining its three-plant footprint. The Asheville facility was impacted by Hurricane Helene in late September 2024, with the company coordinating recovery alongside FEMA HAZMAT, the EPA, and local authorities. Revenue is not publicly disclosed, headcount is reported as 251-500 employees, and the company continues to operate with active hiring and distributor relationships.

Name

Silver-Line Plasticsrp

Legal name

Silver-Line Plastics LLC

Website

https://slpipe.com

Company type

Private

Founded year

1962

Operating status

Operating

Headcount range

251–500 employees

Short description

Silver-Line Plastics is a US manufacturer of PVC, CPVC, polyethylene, and PEX plastic pipe products sold exclusively through wholesale distributors across plumbing, irrigation, well, gas, electrical, and industrial end markets from plants in North Carolina, Oklahoma, and Florida.

Ownership category

akta.pro rank

Product category

Plastic Pipe Manufacturing

NAICS

Plastics Pipe and Pipe Fitting Manufacturing (326122), Plastics Pipe, Pipe Fitting, and Unlaminated Profile Shape Manufacturing (32612)

SIC

Plastics Products, Nec (3089), Miscellaneous Plastics Products (3080)

akta.pro primary industry

Water & Sewer Pipe & Fittings (PVC/HDPE/PP) (IMANADAA)

akta.pro secondary industries

Gas Distribution Pipe & Fittings (PE) (IMANADAB), Electrical Conduit & Raceway Systems (PVC/HDPE) (IMANADAC)

Keywords

• Plastic pipe manufacturing
• PVC pipe products
• CPVC piping
• Polyethylene pipe
• PEX water distribution

Headquarters

HQ city

Asheville

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Operations, Supply Chain, Personnel, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. Plastic Pipe Manufacturing & Sales: Silver-Line Plastics generates revenue through the manufacture and sale of plastic pipe products (PVC, CPVC, PE, PEX) to wholesale distributors. The company operates state-of-the-art production facilities and sells through a distributor network across the United States. Orders are conditional upon satisfactory credit approval, with a minimum order threshold of $100 before taxes. Payment terms include net 30 days with cash discounts available.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Silver-Line Plastics manufactures and sells plastic pipe products in PVC, CPVC, Polyethylene (PE), and PEX materials in diameters from 1/2" through 12". Products include pressure pipe, sewer pipe, well casing, conduit, irrigation pipe, gas pipe, geothermal pipe, and water service lines for plumbing, irrigation, well, gas utility, industrial, and electrical applications. The company sells exclusively to wholesale distributors across the United States from three manufacturing facilities.

Product overview

Silver-Line Plastics is an American-owned and operated manufacturer of plastic pipe products, offering a comprehensive portfolio across four main material types: PVC, CPVC, Polyethylene (PE), and PEX. The product line includes core offerings like PVC Pipe (available in 1/2" through 12" diameters) for plumbing, irrigation, and industrial applications; Ultra-Pure® CPVC for hot and cold water distribution; Sil-O-PEX® (co-ex dual-layered PEX) for water systems; and various PE products including Gas Pipe, Geothermal (Geo-Stripe®), and Ultra-Pure® 4710 HDPE. The portfolio spans specialized sub-products including Ag Pipe, Conduit, Drop Pipe, DWV, Pressure Pipe, Reclaimed Water Pipe, Sewer Pipe, Well Casing, Sil-O-Flex®, and Max-Flo Utility Grade. Products serve applications in plumbing, irrigation, well systems, utility, gas distribution, industrial, and electrical sectors. Manufacturing facilities are located in Asheville, NC; Lawton, OK; and Fort Pierce, FL.

Differentiator

Problem solved

Functional benefit

Brands

• Ultra-Pure®: CPVC and HDPE pipe products for hot and cold water distribution systems
• Sil-O-Flex®
• Sil-O-PEX®
• Geo-Stripe®
• Ultra-Pure® 4710

Products and services

• PVC Pipe Polyvinyl chloride plastic pipe for plumbing, well casing, irrigation, utility, industrial, and agricultural applications, produced in diameters from 1/2 inch through 12 inch.
• Ag Pipe PVC agricultural irrigation pipe for lower pressure irrigation systems, available in SDR 32.5 and SDR 41 configurations.
• Conduit Non-pressure PVC pipe for electrical conduit applications, installable above or below ground, NSF listed to ANSI/UL standard 651.
• Drop Pipe Threaded PVC pipe for well and pump applications, available in Schedule 80 and Schedule 120 variants.
• DWV (Drain, Waste, Vent) PVC pipe for sanitary drainage, waste, vent systems, and storm drainage in residential, commercial, and industrial applications.
• Pressure Pipe PVC pipe for water service systems in residential, commercial, and industrial applications, including water mains and irrigation.
• Reclaimed Water Pipe PVC pipe marked 'Reclaimed Water - Do Not Drink' for non-potable irrigation and aerobic septic systems.
• Sewer Pipe PVC sewer pipe for septic to house connections, downspouts, foundation drainage, and leach fields, available in D-2729 and D-3034 (SDR 35) specifications.
• Well Casing PVC well casing produced from Type 1, Grade 1 virgin compound exceeding ASTM F-480 requirements for water well construction, with IC-2 rated impact-resistant options.
• Ultra-Pure® CPVC Chlorinated polyvinyl chloride pipe for hot and cold water distribution systems with higher impact resistance, non-corrosive properties, and superior chemical resistance. Meets/exceeds FlowGuard Gold standards.
• Gas Pipe & Tubing Polyethylene gas pipe approved for natural gas and LP applications, manufactured from PE 2708 material meeting ASTM D-2513 standards.
• Geo-Stripe® Geothermal Pipe Polyethylene pipe for geothermal heating and cooling systems, featuring tri-red stripe identification, made from PE 4710 material meeting ASTM D-3035 standards.
• Max-Flo Utility Grade Utility grade polyethylene pipe meeting ASTM D-2239 for pressure rated SIDR polyethylene, primarily used in irrigation and agricultural irrigation applications.
• Sil-O-Flex® Polyethylene pipe for water service lines from meter or well to house, exterior faucets, irrigation, and submersible pump applications. Color-coded print lines assist in identification.
• Sil-O-Flex® Ultra-Turf Polyethylene pipe mainly used in residential irrigation applications.
• Ultra-Pure® 4710 HDPE High-density polyethylene pipe made from 4710 material for water service lines, conforming to ASTM D-2737 and D-2239 with resistance to environmental stress cracks, chemical resistance, ductility, and toughness.
• Sil-O-PEX® Co-ex dual-layered PEX pipe produced with material class 5306 allowing highest chlorine and UV resistance rating. For hot and cold water distribution systems.

Quantifiable outcome

• CPVC thermal expansion rate: approximately 4 inches per 100 feet with a 100°F temperature change
• +2 more outcomes

Segments6 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Four partnerships are on record, tiered core and minor.

• IPEXcoreStrategic or Co-development Partner · 22 August 2019Silver-Line Plastics agreed to be acquired by IPEX on August 22, 2019. The acquisition integrates Silver-Line into IPEX's North American operations, combining manufacturing capabilities and distribution networks for plastic pipe products. IPEX is a manufacturer of high-quality plastic pipe and fittings.
• PPFA (Plastic Pipe and Fittings Association)minorOthersSilver-Line Plastics is a member of PPFA, participating in industry initiatives including potable water pipe donations to Honduran villages and industry specification development.
• ASTM InternationalminorOthersSilver-Line Plastics holds memberships and certifications aligned with ASTM standards (D-2241, D-2665, D-1785, D-3034, F-480, F-891, F-876/F-877, D-2737, D-2239, D-2846, D-2513, D-3035).
• NSF InternationalminorOthersSilver-Line Plastics products are NSF® listed (NSF-14, NSF-61, NSF-dwv, NSF-pw-G, NSF-wc, NSF-geo, NSF-gas) for compliance with public health and safety standards.

Scale indicators4 records

Recent moves5 records

Expansion highlights5 records

Broad incumbents

• JM Eagle: Largest manufacturer of plastic pipe in North America, offering PVC, CPVC, and PE pipe across plumbing, irrigation, sewer, and utility applications — competes head-to-head with Silver-Line in commodity PVC pressure pipe while having materially greater scale and product breadth.
• Advanced Drainage Systems (ADS): Leading manufacturer of water management solutions including HDPE and polypropylene pipe for drainage, storm, and sewer applications — overlaps with Silver-Line's sewer, drainage, and HDPE product lines and shares the wholesale/distributor GTM motion.
• Pipelife: European plastic pipe manufacturer with North American operations offering PVC, PE, and PP pipe systems for water, gas, sewer, and drainage — directly comparable in product portfolio and serves similar end markets through distribution.
• IPEX USA LLC: Parent company of Silver-Line Plastics and itself a major North American plastic pipe and fittings manufacturer — operates overlapping product lines across PVC, CPVC, and PE systems, serving many of the same wholesale distributors and end markets.
• Royal Building Products: Manufacturer of PVC pipe, siding, and building products serving wholesale distribution and contractors — competes with Silver-Line in PVC plumbing, pressure, and sewer pipe categories at a larger scale.

Direct peers

• Diamond Plastics Corporation: US-based PVC pipe manufacturer producing water, sewer, irrigation, and conduit products through regional manufacturing facilities — direct competitor in PVC pressure and sewer pipe categories Silver-Line serves.
• Cresline Plastic Pipe: Manufacturer of PVC, CPVC, and polyethylene pipe products serving plumbing, irrigation, well casing, and industrial markets through wholesale distribution — closely comparable in product portfolio, materials, and distribution model to Silver-Line.
• Charlotte Pipe and Foundry: US-based manufacturer of PVC, CPVC, and cast iron pipe and fittings for plumbing, drainage, and industrial applications — directly overlaps Silver-Line's PVC pressure pipe, DWV, and CPVC product lines serving wholesale distributors and contractors.
• Genova Products: Manufacturer of PVC pipe, fittings, and specialty plumbing products serving wholesale distributors and the plumbing/irrigation trades — comparable in scale, product mix, and channel strategy to Silver-Line.
• North American Pipe Corporation: PVC pipe producer (Westlake subsidiary) supplying plumbing, irrigation, and pressure applications through wholesale channels — directly competes with Silver-Line in PVC pressure and plumbing pipe categories.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles11 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Silver-Line Plasticsrp