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White uncoated fiberglass sheet roll 100 ft by 3 in .125 in thick

Zoro Select

Zoro Select BULK-FF-18 Uncoated Fiberglass Sheet 100 ft 3 in .125 in

SKU CH-1JAH-YNPQP

Uncoated fiberglass sheet measuring 100 ft long, 3 in wide and .125 in thick withstands up to 1,000 °F

  • Main colorWhite
  • Product colorWhite
  • Withstands 1,000 °F continuous heat for demanding insulation
  • 100 ft roll covers large projects without splicing
  • 39 lb/cu ft density gives rigid structural support
  • .125 in thickness balances stiffness and easy cutting
  • Uncoated fiberglass surface accepts custom coatings or adhesives

Uncoated Fiberglass Sheet 100 ft

This uncoated fiberglass sheet measures 100 ft long and 3 in wide with a thickness of .125 in. It is designed for fabric crafts and sewing accessories where a plain white fiberglass material is required. The sheet has a density of 39 lb/cu ft and a maximum temperature rating of 1,000 Degrees F. It ships new without any adhesive backing.

Capacity and headroom: 100 ft length

The 100 ft roll provides substantial length for large-scale craft projects or multiple smaller tasks. The .125 in thickness offers structural rigidity while remaining workable for cutting and shaping. The material runs out when continuous lengths beyond 100 ft are needed or when an adhesive backing is required for direct bonding.

Replaces coated or narrower fiberglass sheets

This sheet upgrades from coated or adhesive-backed fiberglass when a plain surface is preferred for custom finishing. It also replaces narrower widths when 3 in coverage reduces seams. The jump is worth it for builders who need the full 100 ft length and high-temperature tolerance without adhesive constraints.

How it compares

Measured against everything we stock in Fabric Items & Sewing Supplies, at today’s prices. Recalculated every night.

Price $82.99
Pricier than about 82% of the 295 comparable items (median $15.99).

Specifications

Product
Brand nameZORO SELECT
Product colorWhite
Main colorWhite

Questions about this item

Will the 100 ft roll of 0.125 in thick fiberglass sheet lie flat next to my existing 3 in wide fiberglass tape?

Yes, the sheet is supplied in a 3 in width matching standard tape widths, and the 0.125 in thickness is consistent along the full 100 ft length so it sits flush against existing material.

How can I confirm the sheet withstands the 1,000 Degrees F rating once installed?

The material is rated for a maximum temperature of 1,000 Degrees F; after installation you can verify performance by exposing a test strip to your process heat and checking that it remains white and structurally intact without charring or delamination.

Does the box include any adhesive or backing, or must I buy a separate bonding agent?

The sheet has a plain backing with no adhesive applied; adhesive type is listed as not applicable, so you will need to source a compatible high-temperature adhesive separately if bonding is required.

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