10 Best Tent Seam Sealer of December 2025

• Restores factory waterproofing
• Suitable for use on footwear and clothing
• Fully cures in 72 hours
• Suitable for outerwear, foot- wear, tents, sleeping bags and suede for all types
• Allows material to breathe
• Dries in 24 hours and will be odorless and fully cured in 72 hours

Atsko

• Seal up to 60’ of seams on tents, tarps and awnings with this water-based seam sealant that cures in 2 hours at room temperature
• Use this tent sealant on various outdoor fabrics including nylon, polyester, and canvas; previously known as Seam Sure
• Dries to a long-lasting seal that is nearly invisible and flexes with fabric
• Included applicator brush makes application quick and easy
• Packaging may vary

GEAR AID

• Waterproofs seams on tents, tarps, backpacks and more
• 2-oz. bottle with foam applicator pad
• No mixing required
• Fast-drying water-based urethane formula

Coleman

• Seal up to 24 ft of seams with 1.5 oz of this durable, clear adhesive that bonds permanently to silicone-treated (silynylon) tents
• Apply to ultra-light gear including silnylon backpacks; cures to a flexible, elastic seal that flexes and stretches with fabric
• Creates a long-lasting, waterproof seal that won’t peel or crack over time; not affected by extreme heat or cold
• Also ideal for applying on silnylon tarps, shelters, and rainwear to keep water out (previously known as SIL Net)
• Packaging may vary
• Sport type: Cycling

GEAR AID

• Seal up to 85 sq. ft. of nylon tent floors, rainflies and tarps with this tent sealer; previously known as Tent Sure
• Restore old PU coatings that are flaking, sticky or degrading with this effective tent waterproofing and seam sealer
• Dries to a long-lasting coating that is nearly invisible and flexes with nylon
• Provides a water-tight seal that will keep you dry in the rain
• Packaging may vary

GEAR AID

• Seam Sealer ideal for tents, backpacks, outerwear and all other synthetic fabrics
• Colorless, washable, flexible. Odorless when dry
• Reduces fading caused by the sun
• Profession Strength, Protects new or cleaned fabrics from water or dirt
• Non-toxic and odorless when dry

Texsport

• Repair sealant for PVC material, including PVC-coated nylon or rayon
• Repairs air mattresses, pools, beach toys, groundsheets, rainwear, and more
• Affordable, essential gear for car camping, RV trailers, motor homes, cabins, and more
• Tube size: 0.27-Ounce/ 8 ml
• Repair sealant for PVC material, including PVC-coated nylon or rayon
• Affordable, essential gear for car camping, RV trailers, motor homes, cabins, and more
• Tube size: 0.27-Ounce/ 8 ml

Coghlan's

• The three-person dome design is quick and easy to set up
• Spacious interior, room to move
• Dome design for quick setup, 10 minutes
• Waterproofs seams on tents, tarps, backpacks and more
• 2-oz. bottle with foam applicator pad
• No mixing required

Coleman

• Kiwi Camp Dry Heavy Duty Water Repellent

Kiwi

• Seal seams and permanently repair holes in tents, tarps, awnings, rainflys and camping gear like Thermarest sleeping pads
• Treat up to up to 12’ of seams (1 oz) or repair torn outdoor fabrics with an adhesive that cures into a flexible rubber seal; also available in an 8 oz tube
• Waterproof gear with a sealant that flexes with fabric and bonds to nylon, polyester, canvas, leather and vinyl
• Apply it to repair or re-proof gear without worrying about the seal peeling or cracking; includes two applicator brushes
• Packaging may vary

GEAR AID