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Gray Sealant Tape

Gray Sealant Tape

5(1 rating)

Best price now

$5.98at The Home DepotChecked 6 h ago

79% under what the other stores charge

Compared across 8 stores. Prices are checked against each store and labelled with when.

Visit The Home Depot

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Price facts

  • Lowest price today: $5.98 at The Home Depot (checked Nov 15, 2026).
  • Checked at 8 stores.
  • Our take on the Gray Sealant Tape

    Gray Sealant Tape is a putty-like vacuum bagging tape for composite lay-ups. It bonds bags to aluminum, steel, nickel, graphite and fiberglass tooling and peels off cleanly after cure. The 1/2-inch width and 1/8-inch thickness suit pleats, fitting wraps and patching bag leaks. It is a general-tack tape; the same maker offers a yellow version for more aggressive tack, so choose gray for normal cures and easy removal.

    Best forComposite and vacuum bagging lay-upsSealing bags to metal or graphite moldsPatching bag leaks mid-cureWrapping fittings for airtight connections
    Pros
    • Sticks to aluminum, steel, nickel, graphite and fiberglass tooling
    • Strips cleanly from molds after the process
    • Works across a range of curing temperatures
    • Useful for pleats, leak patches and fitting wraps
    • Narrow 1/2-inch width reaches tight corners
    Cons
    • General tack only; the yellow version holds harder
    • 1/8-inch thickness can be bulky on tight pleats
    • 25-foot roll runs out fast on large parts
    • Not for high-tack or demanding bagging jobs

    Gray Sealant Tape prices at every store

    • The Home DepotNew

      In stock

      $5.98Checked 6 h ago
      Visit The Home Depot
    • Fibre GlastNew

      In stockReturn policy

      $13.74Checked 6 h ago
      Visit Fibre Glast
    • HanseSyntecSealingsNew

      In stock

      $25.99+ $4.90 shippingChecked 6 h ago
      Visit HanseSyntecSealings
    • eBayNew

      Availability unknownSold by hanse_syntec

      $25.99Checked 6 h ago
      Visit eBay
    • Colline degli UliviNew

      Availability unknown

      $28.00Checked 6 h ago
      Visit Colline degli Ulivi
    • WalmartNew

      Availability unknownSold by Hanse Syntec Sealings LLC

      $39.99Checked 6 h ago
      Visit Walmart
    • Alibaba.comNew

      Availability unknownShips from abroad · duties may apply

      $71.98Checked 6 h ago
      Visit Alibaba.com
    • HomeBrightNew

      Availability unknown

      $113.41Checked 6 h ago
      Visit HomeBright

    Store links may earn us a commission.

    Gray Sealant Tape price history

    Lowest price we've seen: $5.98 on Nov 15 at The Home Depot. Tracked across 7 stores since Nov 15.

    About the Gray Sealant Tape

    Gray Sealant Tape seals vacuum bags to tooling surfaces such as aluminum, steel, nickel, graphite, and fiberglass. It can be used at a variety of curing temperatures and strips cleanly from molds once the process is complete.

    It also has other uses during vacuum bagging. It plugs leaks and tears in the bag that can develop during cure. It makes pleats for complex parts within a lay-up. It can be wrapped around fittings to make air-tight connections.

    Width
    ½"
    Thickness
    1/8"
    Length
    25 feet per roll
    Tooling surfaces
    Aluminum, steel, nickel, graphite, fiberglass
    Uses
    Bag sealing, plugging leaks and tears, making pleats, wrapping fittings

    Questions and answers

    What is gray sealant tape used for?
    It seals vacuum bags to tooling, patches leaks and tears in the bag, makes pleats for complex parts, and wraps fittings for airtight connections.
    How does it differ from the yellow sealant tape?
    Gray is the general-tack tape. The yellow version, #580, is made for applications needing more aggressive tack.
    What surfaces does it stick to?
    Aluminum, steel, nickel, graphite and fiberglass tooling surfaces.
    Does it leave residue on the mold?
    It is made to strip cleanly from molds once the cure is complete.
    What are the tape dimensions?
    It is 1/2 inch wide, 1/8 inch thick, with 25 feet per roll.
    Can it handle different cure temperatures?
    Yes, it is made for use across a variety of curing temperatures.
    Where is the Gray Sealant Tape cheapest?
    At The Home Depot, for $5.98, 79% under what the other stores charge, as of our latest check.
    What do buyers say about the Gray Sealant Tape?
    Rated 5 out of 5 from 1 ratings.
    Where can I buy the Gray Sealant Tape?
    8 stores we checked sell it, including Fibre Glast, The Home Depot, HanseSyntecSealings, eBay, Colline degli Ulivi.

    Stores we've priced the Gray Sealant Tape at

    • alibaba.com deals and prices
    • Colline degli Ulivi deals and prices
    • The Home Depot deals and prices
    • Walmart deals and prices