Natare Corporation -Pool Grating Systems


Natare GPM™ Polymer Grating

Safe, durable, cost-effective grating for pool renovation or new construction.

Category: drainage grates | grates | pools...

MasterFormat: Metal Fabrications | Metal Gratings | Swimming Pools...

Natare Corporation
5905 West 74th Street
Indianapolis, IN 46278
Tel: (800) 336-8828
Fax: (317) 290-9998

Find a rep/distributor

Request More Info


Related Products


Pool Grating Systems

Natare GPM™ Polymer Grating

Safe, durable, cost-effective grating for pool renovation or new construction. Natare GPM grating and stainless steel grating systems are a long-lasting solution for changing rooms, athletic facilities, industrial applications, and most importantly, perimeter drainage in and around swimming pools, water features, and aquatic facilities. Its unique design has permanently machined flow control slots that allow for a fast water flow through the grating.

There is only one GPM grating and it has been proven in harsh aquatic environments for decades!

Built to Last

GPM grating is custom fabricated from a marine-grade polymer and is environmentally stabilized to withstand the harshest aquatic conditions. It will not rot, discolor, or delaminate. Even repeated blows from a heavy hammer will not break GPM grating. Natare grating resists chipping and cracking and remains unchanged when presented with harsh pool chemicals. Additionally, Natare swimming pool grating resists the deteriorating effects of ultraviolet radiation and will not fade.

A low-maintenance finish eliminates repair and refinishing due to weathering and deterioration and is easy to clean. GPM grating has a slip-resistant matte finish on both sides to hide scuffs and scratches.

Typical Grating Applications

  • Main Drain and Outlet Covers
  • Pool Bench Seats
  • Deck Access Hatches
  • Deck Storage Boxes
  • Movable Floor Surface
  • Gutter Grating
  • Access Ramps
  • Hydraulic Diffusion Grates
  • Deck Drain Covers
  • Backwash Pit Covers
  • Pump Pit Covers
  • Bench Seat Covers
  • Spray Down Area Floor
  • Lane Line Storage Cover
  • Trough and Trench Covers
  • Lifeguard Tower Platform
  • Filter Covers
  • Radius Drains
  • In-Pool Partition Walls
  • Shower Room Flooring
  • Entry Grating
  • Skimmer Face Plates
  • Safety Covers
  • Access Gates

Types of Grating Available

Comfort Flow & Competition Flow

Available in both Comfort Flow and Competition Flow configurations, grating sections are available with slots parallel to the width or length. Standard grating sections are white in color.

Corner Pieces

GPM corner grating is a solid one-piece that is custom manufactured to match the attached grating and pool surround. Corner pieces are available to match any style and size GPM grating available. Each piece is sold separately to create a perfect fit for each corner. Standard sizes are for perfect 90˚; but we are able to fabricate any size or shape needed.

GPM Gutter or Trench Grating

GPM grating comes in two standard patterns that allow for optimum water flow to the gutter trough. Both patterns have the matte-textured slip resistant finish machined into the polymer material, which eliminates the need for repairing or refinishing.

Standard dimensions include nominal widths from 4″ (101-mm) to 18″ (457-mm) (2″ (50.8-mm) increments) Actual width =Nominal width - .315″. Virtually any size shape or configuration is available.

One-Piece Radius Grating

GPM grating is the only solid one-piece grating system available on a radius with the capability of the open areas either perpendicular or parallel to the wall. It is custom fabricated to the specified curve radius; our open areas are consistent and do not have the typical open wedged slots from pool surface to deck edge. There is no chance of little toes or fingers getting caught. This durable, slip-resistant, and easy-to-clean grating system is safe, attractive, and cost-effective.

Advantages of a Natare Pool Grating System

Safety Certified

All Natare pool grating has a permanent, bi-directional slip-resistant surface that exceeds the ASTM coefficient of friction standards. Our grating does not use coatings or grit, which can wear-off and catch dirt. Natare grating is safe and comfortable, even for bare feet.


All Natare grating is impact reinforced, and resistant to UV rays. It also resists frost and damage from freezing, even in the harshest climates. Our grating is “hammer-tough” and will not crack, shatter, or split in normal applications.

Customizable Colors

The color is permanent, not a paint or coating. Natare grating is available in white and custom colors. Black PVC overlays are available for racing lane targets, special course markings and other applications.

Warranty Information

Natare GPM grating is the safest, most durable, and cost-effective pool grating available for the new construction and renovation swimming pools around the world.

10 Year warranty for workmanship and performance 15 Year warranty against cracking or breaking

See More