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This section provides an overview for frp drains as well as their applications and principles. Also, please take a look at the list of 5 frp drain manufacturers and their company rankings. Here are the top-ranked frp drain companies as of March, 2026: 1.Trench Drain Systems, 2.ACO USA, 3.Omkar Composites Private Limited.
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Categories Related to FRP Drains
FRP drains are drains made of a "fiber-reinforced plastic" called FRP. There are vertical drains and horizontal drains. FRP drains are often used because they are lightweight, strong, waterproof, and durable.
FRP is used as a waterproof layer and FRP drain parts are also seamless and highly effective in preventing water leakage.
FRP drains are used on balconies and verandas on the rooftops of ordinary houses and buildings. If the flooring material is FRP waterproofed, FRP drains are especially effective in preventing leakage. Inexpensive non-FRP drains often cause separation from the waterproof layer, but FRP drains are compatible with the FRP waterproof layer and provide a good seal.
FRP drains are installed with nails or caulking. Make sure they are tightly sealed to prevent air from entering the gap, and caulk them again after installation to improve waterproofing.
The FRP in FRP drain refers to fiber-reinforced plastic, a composite material made of unsaturated polyester and glass fiber, which is highly waterproof and durable.
FRP drains consist of an FRP flange and a vinyl chloride body. The shape of the flange differs between the vertical and horizontal types, and using the same FRP drain for the FRP waterproofed floor and drainage prevents the drain from peeling off from the waterproof layer, thereby preventing leakage. For this reason, FRP drains are used together with FRP waterproofing on residential balconies, rooftops, swimming pools, etc.
Horizontal FRP drains make holes in the horizontal wall instead of the floor, allowing wider use of the floor. Drainage efficiency is lower than that of vertical drains, but they are easier to install and replace because they are easier to prepare the substrate.
Vertical FRP drains are difficult to process because holes are drilled in the floor, but they are characterized by their high drainage efficiency. Even if the waterproof layer and drain should separate, water will not leak if it does not flow back.
FRP drains for renovation have a large flange and are easy to process.
*Including some distributors, etc.
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Nantong Mach's, established in 2005 and headquartered in Nantong City, Jiangsu Province, China, is a manufacturer and supplier of fire protection, environmental protection, and safety supplies. The company offers molded FRP gratings, pultruded FRP gratings, pultruded FRP profiles, FRP gratings & profiles, and grating clips used as walkways, bridges, industrial floors, operating platforms, and guardrails. The company has passed the ISO 9001 and ABS(American Bureau of Shipping) certification and ASTM-E84 class A test (fire retardant) and offers products used in various industries such as power plants, sewage treatment plants, food processing plants, nuclear power plants, and battery factories.
Ranking as of March 2026
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Trench Drain Systems |
18.9%
|
| 2 | ACO USA |
16.2%
|
| 3 | Omkar Composites Private Limited |
16.2%
|
| 4 | Liberty Pultrusions FRP Manufacturing |
16.2%
|
| 5 | Nantong Mach's |
8.1%
|
| 6 | Langfang Bonai Environmental Protection Technology Co., Ltd. |
8.1%
|
| 7 | CMaterials |
5.4%
|
| 8 | M.M. srl |
5.4%
|
| 9 | Grating Tasmania Pty Ltd |
2.7%
|
| 10 | THERMOSET POLY PRODUCTS I PVT. LTD. |
2.7%
|
Derivation Method
The ranking is calculated based on the click share within the frp drain page as of March 2026. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
3 | 75.0% |
|
China
|
1 | 25.0% |
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