FRP Covers & Gratings

FRP Covers & Gratings

FRP thickener and clarifier covers seal aggressive process tanks, control odor and emissions, and extend equipment life. Crimar engineers clear-span domed and flat covers with FRP trusses, plus launder covers, tank covers, gratings and handrail for safe access.

Applications

  • Thickener & clarifier covers
  • Launder & trough covers
  • Tank, pit & channel covers
  • Walkway gratings & handrail

Specifications

  • Domed & flat clear-span designs with FRP trusses
  • Access hatches, vents & sample ports
  • Molded & pultruded gratings; slip-resistant surface
  • Bolted, gasketed panels for field assembly

Standards

  • ASTM D3299 / D4097
  • ASME RTP-1 (enclosed vessels)
  • Load-rated to project spec

Materials & resins

We select the corrosion barrier and structural laminate for each service — vinyl ester, isophthalic and Dow Derakane™ systems — matched to the chemistry, temperature and abrasion of your process. Common choices and datasheets:

Derakane 411 — general corrosion  ·  Derakane 470HT — high temperature  ·  Derakane 510A — oxidizing / chlorine  ·  Derakane 8084 — abrasion / elastomer-modified  ·  AROPOL 7334T — isophthalic

Request a quote for FRP Covers & Gratings

Send your drawings or service conditions and our engineers will spec it with you.