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Seam Grip SIL Silicone Tent Sealant by Gear Aid

Seam Grip SIL Silicone Tent Sealant by Gear Aid

Garage Grown Gear · Gear Aid · price last verified 15h ago

$10.95
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About this product

Ships in 1-2 business days | Based in Bellingham, WA| Est. 1981

Seal Silnylon Tent Seams and Stay Dry

Seam sealing with Seam Grip SIL is the best way to keep moisture out when using a silnylon (silicone-nylon) tent. Previously known as SilNet, this clear sealant dries to a flexible rubber that works on all silicone-treated gear, including nylon tarps and ultralight backpacks. A single 1.5oz tube can seal up to 24 ft of seams. Fast and easy to use, it’s also handy for pinhole repairs and small tears.

When you need to waterproof a silnylon tent, only a silicone sealant will work because silicone will only adhere to silicone. So, treat gear right and seal out the weather with Seam Grip SIL.

Features:

• Compatible  – Bonds to silicone-treated fabrics to prevent water from seeping through seams

• Waterproof   – Provides a water-tight seal that won’t peel or crack over time, keeping you warm and dry

• Long-lasting – Rubber sealant seals seams and patches pinhole leaks for repairs that last for years

• Flexible – Cures to an elastic, rubber seal that flexes and stretches with high- performance gear

• Weather-resistant – Tough formula is not affected by extreme heat or cold

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Specs

Volume: 1.5oz | 43g

Color: clear

Adheres To: silicone fabrics

Coverage: 288” x 0.25” (24’ of seams) | 732cm x 1cm (7.3M of seams)

Cure time: 3-6 hours

Cure Method: humidity

Washable: yes

Application Temperature: 60°F - 100°F | 16°C - 38°C

Specs

Weight
65 g

Price history

Price has held at $10.95 across 44 checks since Sep 20, 2026.

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Published Sep 23, 2026 · Prices are as seen at source and may change.