Easy to use aerosol spray shoots a thick liquid that seeps into cracks and holes. Dries to a watertight, flexible, rubberized coating that seals and protects from moisture penetration. Will not sag or drip in summer heat, will not crack or peel in winter cold. Stops vibrations, deadens noise, and protects surface from corrosion. Can be applied on wet or dry surfaces and once dry can be painted any color. Ideal for gutters, vents, sky lights, foundations, lawn and garden projects, arts and crafts, and more.
Easy to use aerosol spray shoots a thick liquid that seeps into cracks and holes. Dries to a watertight, flexible, rubberized coating that seals and protects from moisture penetration. Will not sag or drip in summer heat, will not crack or peel in winter cold. Stops vibrations, deadens noise, and protects surface from corrosion. Can be applied on wet or dry surfaces and once dry can be painted any color. Ideal for gutters, vents, sky lights, foundations, lawn and garden projects, arts and crafts, and more.
in 1 offers
The lowest price for Flex Seal Sealant Blue right now is $32.90 at desertcart.com.au.
The all-time low was $32.90 on 2 Nov 2026. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 2 Nov 2026.
Flex Seal Sealant Blue
Easy to use aerosol spray shoots a thick liquid that seeps into cracks and holes. Dries to a watertight, flexible, rubberized coating that seals and protects from moisture penetration. Will not sag or drip in summer heat, will not crack or peel in winter cold. Stops vibrations, deadens noise, and protects surface from corrosion. Can be applied on wet or dry surfaces and once dry can be painted any color. Ideal for gutters, vents, sky lights, foundations, lawn and garden projects, arts and crafts, and more.
Easy to use aerosol spray shoots a thick liquid that seeps into cracks and holes. Dries to a watertight, flexible, rubberized coating that seals and protects from moisture penetration. Will not sag or drip in summer heat, will not crack or peel in winter cold. Stops vibrations, deadens noise, and protects surface from corrosion. Can be applied on wet or dry surfaces and once dry can be painted any color. Ideal for gutters, vents, sky lights, foundations, lawn and garden projects, arts and crafts, and more.
Last updated at 02/11/2026 17:24:22
Flex Seal Spray Rubber Sealant Coating, Waterproof, Blue, 14 oz, 1-Pack
Delivery between 9–12 Nov $29
| Form | Liquid |
| Resistance | Watertight |
| Cure Time | 24 hours (fully cure) |
| Temperature Resistance | -20°F to 140°F (once fully cured) |
| Service Life | Lasts for years |
Flex Seal Spray Rubber Sealant Coating, Waterproof, Blue, 14 oz, 1-Pack
Delivery between 9–12 Nov $29
| Form | Liquid |
| Resistance | Watertight |
| Cure Time | 24 hours (fully cure) |
| Temperature Resistance | -20°F to 140°F (once fully cured) |
| Service Life | Lasts for years |
