Beat the Freeze!
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Winterize Your Home the Easy Way!

Protect your home from leaks, drafts, and heat loss before the cold sets in.

Stay ahead of Canada’s harsh winters with the Flex Seal Family of Products. From sealing leaks to stopping drafts, our easy-to-use solutions help you protect your home without costly tools or repairs. Here are six simple ways to prep for winter right now:

❄️ Seal windows for winter

❄️ Tackle cold weather caulking fast

❄️ Winter maintenance without expensive tools

❄️ Fight condensation & freezing temps

❄️ Prepare your basement for winter leaks

❄️ Prevent heat loss and lower energy bills

  • Seal windows for winter
  • Tackle cold weather caulking fast
  • Winter maintenance without expensive tools
  • Fight condensation & freezing temps
  • Prepare your basement for winter leaks
  • Prevent heat loss and lower energy bills

Join thousands of Canadians sealing, protecting, and preparing their homes with Flex Seal.

From coast to coast, homeowners trust the Flex Seal Family of Products to stop leaks, block drafts, and keep their homes comfortable and dry through the cold season.

Shop the Sale

Don’t wait for the first freeze — Sale ends soon!

Flex Caulk
HIGH-PERFORMANCE, RUBBERIZED CAULK & SEALANT. NO CAULK GUN NEEDED. Flex Caulk™ Hybrid (advanced hybrid polymer caulk) and Flex Caulk™ Silicone...
$15.99
$19.99
$15.99
Flex Paste Stay Fresh
FLEX PASTE® SUPER THICK RUBBERIZED PASTE  Now in our Stay Fresh Container! FLEX PASTE® is a super thick rubberized paste...
$15.99
$19.99
$15.99
Flex Tape
FLEX TAPE® SUPER STRONG WATERPROOF TAPE * Now with a NEW Look! Powerful adhesive with a thick, flexible rubberized backing...
$15.99
$19.99
$15.99
Flex Seal Liquid
FLEX SEAL LIQUID® New packaging is available only for the 473 mL size of Flex Seal Liquid, except in the...
$15.99
$19.99
$15.99
Flex Shot
SUPER THICK RUBBER SEALANT THAT CAULKS, BONDS AND SEALS Forms a watertight, flexible barrier. No running or dripping, and it...
$15.99
$19.99
$15.99
Flex Seal Spray
LIQUID RUBBER IN A CAN It sprays out as a thick liquid, seeps into cracks and holes and dries to...
$14.99
$19.99
$14.99
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Are You Winter Ready?

Winterize Your Home Before It’s Too Late. Take the Free Readiness Assessment Now!

Get your home ready for Canadian winters with Flex Seal’s easy, effective solutions for sealing windows, stopping drafts, and cold weather maintenance. Find out tips to keep your home protected all season long.

Take the Quiz

Resources to Keep Your Home Safe and Sealed

Winterize Basement

Preventative Maintenance: How To Winterize Your Basement

Winter can be a challenging season for Canadian homeowners, especially when it comes to protecting your basement. Taking preventative measures can help you avoid costly repairs and ensure your home stays dry and protected all winter long.

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Flex Caulk Condensation

How To Reduce Winter Condensation with Flex Caulk

As winter approaches, homeowners often face the prospect of rising heating bills, drafty windows, and condensation forming on glass surfaces. It can lead to bigger problems such as mould growth, and even structural issues. That’s where Flex Caulk comes in.

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Prevent Winter Damage

Help Prevent Winter Damage with the Flex Seal Family of Products

Winter weather can be tough on your home, leading to drafts, leaks, and costly damage. Get ahead of the season and stay protected all winter with the Flex Seal Family of Products and tackle common winter repairs quickly, easily, and without expensive tools.

VIEW BLOG
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