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Seam Grip® Seam Sealer & Outdoor Repair

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  • Product Info

    Seam Grip urethane repair adhesive permanently seals seams and leaks, repairs tears, and patches holes on tents, packs, sleeping pads and rainwear. Long considered the industry standard, Seam Grip was awarded the prestigious Editors’ Choice Gold Award from Backpacker Magazine in 2002.Use Seam Grip to repair surfaces or seal seams of natural and synthetic fabrics, waterproof laminates, leather and vinyl. Seam Grip may be used to repair all types of waders and footwear, neoprene, PVC, rubber, and more. Concentrated and waterproof, Seam Grip offers excellent adhesion, long lasting flexibility, superior traction and abrasion resistance, with minimal shrinkage.

     

    • • For tents, tarps, backpacks, rainwear, & more!

    • • Permanently patches holes and repairs tears

    • • Washable and unaffected by extreme cold or heat

    • • One tube seals seams on an average 2-person backpacking tent

  • Instructions for Use

     

    Seam Sealing:

     

    PREP: Clean seams on used tents with isopropyl (rubbing) alcohol.

     

    APPLY: Apply a thin film of Seam Grip to inside of the seam (one coat).

     

    DRY: Let dry overnight (approximately 8-12 hours—may be longer in low humidity). For 2-hour dry time, mix small batches of Seam Grip with Cotol-240™. Apply with brush. Adhesive Applications: Roughen and clean surfaces with rubbing alcohol. Apply Seam Grip to both surfaces. Allow to dry (cure) 15 minutes, then join (clamp or tape) surfaces together overnight.

     

    CLEAN UP: Seam Grip will dry (cure) and flake off hands. Washing hands in soap and water will accelerate curing. Uncured Seam Grip can be partially removed with a coarse cloth soaked in rubbing alcohol. For easiest clean up wear disposable rubber gloves.

     

    STORAGE: Advance contents to tube neck and replace original cap securely. Store partially used tube in freezer.

     

    DISCLAIMER: Since use of this material is beyond our control, we make no express or implied warranty.

     

    SPECIAL APPLICATIONS & TIPS:

     

    TENT SEAM SEALING: Perimeter seams on ‘seam taped’ tents are often not factory sealed and require sealing. Apply a thin film of Seam Grip to inside floor seams (fig.1). Allow to dry (cure) overnight. A slight surface tack is normal and will dissipate with tent use. Use Seam Grip to seal areas that regularly leak, such as stake-out points at corners (fig. 2). To seal the seams on your rainfly, set it up inside-out for easier application. Attach the rainfly to the tent so all seams are taut (fig. 3).

     

    TEAR & HOLE REPAIRS: Apply just enough Seam Grip to cover the hole and spread 1⁄4 inch beyond. Allow to dry (cure) level overnight. For 2 hour cure time, mix Seam Grip with Cotol-240™ before applying. (fig. 4)

     

    SEAM TAPE TIP: If a small section has peeled use Seam Grip to re-attach it (fig. 5). If the tape seems to be failing everywhere, remove and discard it, then clean the seams with isopropyl alcohol and re-seal with Seam Grip.

     

  • Tips & Testimonials

  • What is it? –

      When cured (dry) Seam Grip is a very thin, clear, elastic urethane rubber.

  • How it works—

      Seam Grip is applied to a stitched seam, a hole or a tear and allowed to cure over a period of 8-12 hours.

    • When applied, Seam Grip cures by reacting with humidity in the air. It doesn’t ‘dry’ the way other glues do. It changes from a moderately thick liquid to a thin, flexible, elastic rubber.

    • Once cured, it’s permanent. The repair will generally last the life of the item.

  • Testimonials –

      "One application of this stuff has kept a 10-year old tent perma-dry. Has also worked as a quick-fix on fabric tears and boot soles. Is much more durable than similar products I've used."- Jeff

      "Great product. Used it to seal up my sleeping pad and it worked great."-Chris, Greensboro, NC

      "It fixes almost everything, seam grip your jacket, pants, boots, tent etc."- Paul, Ridgewood, NJ

      "I wish I'd had this when we ripped a hole in our rain fly...instead we had to use superglue to attach the duct tape on opposite sides, fun times! I'll just have to remember to shop MJ before we go camping again, that or not poke the stakes through the tent... " -Katie, Keani, AK

      "I bought this, just in case, before a 5 day canoe trip. One of my older dry bags started to pull apart just a little at the seam. I put on some SeamGrip and had no further problems with the bag. Of course I treated it very gently! " - Matthew, Chicago, IL

  • Additional User Comments –

      Users are always impressed at the extreme toughness and waterproofness of seams sealed with Seam Grip

      We have had users make tents and tarps without stitching by simply bonding all the seams with Seam Grip. The results have been incredibly strong, waterproof shelters

      Many users have commented that “factory seam tapes last a certain number of years, but Seam Grip lasts forever.”

      Users have sealed seams on tents, packs, outerwear, boots and much more.

      Seam Grip is also heavily used to patch holes in tents, packs, clothing and other gear using the ‘plastic tape backing method’ (see diagram under the instruction tab)

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    Find more great tips like these in our Repair Guide

    • Paddlesports Tip

      Paddlesports Tip

      Kayak cockpits are notorious for cutting into spray skirts and causing exterior cracking. Apply spot applications of Aquaseal to permanently repair and protect both the interior and exterior.