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Fibrelyte FL36D Composite Water Meter Box Lid, 17.5 x 30.5 in

Brand: Fibrelyte
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$629.70
$472.28
SKU FL36D

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The Fibrelyte FL36D is a durable, lightweight composite lid engineered to protect underground water meters and irrigation components. Made from Fibrelyte's proprietary blend of polyester resin, fiberglass and calcium carbonate, this lid delivers high strength while remaining significantly lighter and easier to handle than traditional concrete covers. It is molded to precise tolerances for a secure fit and reliable weather resistance.

  • Fits standard 17-1/2 x 30-1/2 in water meter boxes; ideal for municipal and residential irrigation systems.
  • Constructed from a proprietary composite (polyester resin, fiberglass, calcium carbonate) for superior strength and corrosion resistance.
  • Lightweight design (approx. 35 lbs) reduces installation time and labor compared to concrete lids.
  • Wear- and weather-resistant surface stands up to freeze–thaw cycles, UV exposure, and everyday traffic.
  • Simple drop-in installation—compatible with common meter box frames and requires minimal maintenance.

Choose the Fibrelyte FL36D lid when you need a dependable, easy-to-handle alternative to heavy concrete covers. Its combination of strength, low weight and dimensional accuracy makes it a practical choice for contractors, utilities and property managers looking to streamline installation and reduce transport costs. For sizing confirmation or compatibility with existing boxes, consult the product specifications or contact the manufacturer.

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Frequently Asked Questions

What are the dimensions of the FL36D lid?
The FL36D fits standard 17-1/2 x 30-1/2 in meter boxes (approx. 17.5 x 30.5 in). Verify measurements against your box before ordering.
How much does the Fibrelyte FL36D lid weigh?
The lid is lightweight for its strength—approximately 35 lbs—making handling and installation easier than concrete covers.
What material is the FL36D lid made from?
Made from Fibrelyte's proprietary composite of polyester resin, fiberglass and calcium carbonate for corrosion resistance.
Is the FL36D lid compatible with my existing meter box?
It is designed to fit standard meter box frames; confirm by comparing your box's internal dimensions (17-1/2 x 30-1/2 in) or consult the manufacturer.