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Overview

Model # PFSWHTC16 Store SKU # 1001577637

Introducing the newest addition to the Flex Seal Family of Products. Flex Paste is a super thick rubberized paste that clings to the surface and instantly fills large gaps, cracks and holes. Once dry, Flex Paste turns into a strong, flexible, watertight, rubberized coating that seals out air, water and moisture. Our super thick formula will not wash away, and will even cure underwater.Flex Paste is UV and mildew resistant, and is perfect for all types of indoor and outdoor projects and repairs. Use Flex Paste to help prevent expensive damage from leaks. Flex Paste is easy-to-use, making it a great option for crafts, hobbies, gardening and all types of projects.Flex Paste clings to a wide variety of surfaces and will work on wood, glass, tile, concrete, aluminum, metal, brick, stucco, masonry, copper, fabric, berglass, ceramic, porcelain, natural stones, roofing, PVC, EIFS, EPDM, CSPE, Hypalon polyurethanes and so much more.

  1. Super thick paste that clings to surfaces
  1. Fills large gaps, cracks and holes
  1. Watertight rubberized coating
  1. Works underwater
  1. Perfect for indoor and outdoor projects
  1. Stops leaks fast

Specifications

Dimensions

Assembled Depth (in inches)
4
Assembled Height (in inches)
3.75
Assembled Weight (in lbs)
1
Assembled Width (in inches)
1
Packaged Depth (in inches)
4
Packaged Height (in inches)
3.75
Packaged Weight (In lbs)
1.1
Packaged Width (in inches)
4

Details

Caulk Type
Specialty, Multipurpose
Colour Family
White
Country of Origin
US-United States
Features
Moisture Resistant, Mold and Mildew Resistant, UV Resistant, Water Resistant
Product Location Use
Multipurpose
Product Type
All-Purpose

Warranty / Certifications

Satisfaction Guaranteed
Flex Paste White 1 LBFlex Paste Flex Paste White 1 LBIntroducing the newest addition to the Flex Seal Family of Products. Flex Paste is a super thick rubberized paste that clings to the surface and instantly fills large gaps, cracks and holes. Once dry, Flex Paste turns into a strong, flexible, watertight, rubberized coating that seals out air, water and moisture. Our super thick formula will not wash away, and will even cure underwater.Flex Paste is UV and mildew resistant, and is perfect for all types of indoor and outdoor projects and repairs. Use Flex Paste to help prevent expensive damage from leaks. Flex Paste is easy-to-use, making it a great option for crafts, hobbies, gardening and all types of projects.Flex Paste clings to a wide variety of surfaces and will work on wood, glass, tile, concrete, aluminum, metal, brick, stucco, masonry, copper, fabric, berglass, ceramic, porcelain, natural stones, roofing, PVC, EIFS, EPDM, CSPE, Hypalon polyurethanes and so much more.
Flex Paste
1001577637
CAD20.942024-02-21
The Home Depot Canada
Flex Paste White 1 LB is rated 4.4 out of 5 by 382.
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Rated 1 out of 5 by from Half of the tub dried up Half of it was already dried up in the sealed container. Looked online and this was a problem that many people had.
Date published: 2021-03-08
Rated 2 out of 5 by from Dissapointed I just purchased Flex Paste to use in a gap between our shower curb and the floor , where previous caulking had been. I opened the container and the foil seal was loose around the edges of the container , so approximately 1/2 of the container was dried out . After peeling off this layer off , used a putty knife to apply in the gap . It seems like a good product , just wished half of it would not have been waste. Disappointed about that.
Date published: 2024-01-24
Rated 1 out of 5 by from Hardened prior to opening I bought 4 of these pails and 3 of them were already. Hardened rubber For about 1/2 of the pail. Plastic seal under lid was intact so I am guessing a production issue. Do not waste your money on it due to it being hard. When it is applied it works very well. Messy but it works. Only issue was it was hard and that caused my purchase to increase so I could get enough paste to finish job.
Date published: 2023-07-25
Rated 3 out of 5 by from Pâte séchée Pâte séchée tout le tour sur 1.5 po. de profondeur X 3/4 de large sur première achat et sensiblement même chose sur seconde achat même si utilisée sans délai.. Alors le temps de conservation semble limité.
Date published: 2022-08-06
Rated 1 out of 5 by from Unhappy Very hard to work with.too thick n sticky. Would not work under water.ended up using jb weld'water weld' after scraping all the flex paste off. Possibly my own fault
Date published: 2023-08-04
Rated 1 out of 5 by from Unimpressed If I could give it no stars I would. Failed to stop minor leak after using 2 lbs. Let me be clear about how minor. . . A trickle of resin. Unimpressed
Date published: 2023-05-16
Rated 1 out of 5 by from Dried out before use Just bought 2 the other day. Just opened them and they were dried out.
Date published: 2023-02-23
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Can it be painted 

Asked by: Orpy
Yes. But this surface not flat. Paint effect just soso
Answered by: BIG B
Date published: 2023-06-23

Can it be applied during cold temperatures? I'd like to use it to fill exterior gaps in my garage concrete & stucco

Asked by: Etch76
Flex Paste can be applied in a wide range of temperatures from -17.7°C to 65.5°C. Once applied and fully cured, it can withstand a wider range of temperatures from -40°C to 93.3°C.
Answered by: Flex Service Team
Date published: 2022-12-21

Can it be used to seal the bottom of of a pool noodle that's placed in a gap from the balcony above me. It keeps all kinds of debris from falling on my balcony. But now there placing garbage on the top of the pool noodle, contamination

Asked by: Deez
Hi Deez, This is a tricky question to answer without more communication. Please email Humans@FlexSealProducts.com directly. Thank you.
Answered by: Flex Service Team
Date published: 2023-01-20

Can it be used as an hvac mastic?

Asked by: hvac
Yes because Flex Paste can be used to seal out water, air, and moisture it can be used to seal and repair hvac ducts, joints, and seams in an hvac. Thank you for your question.
Answered by: Flex Service Team
Date published: 2023-01-12

Which Flex product is best for the insides of a leaky gutter, Liquid or Paste?

Asked by: MontrealReno
It depends on the spot that is leaking. If it is a crack with no gap the liquid will work. If there is an actual opening/space that you are trying to fill paste would be the better option. Thank you for your question.
Answered by: Flex Service Team
Date published: 2023-04-03

can it be used to make a gasket on a piece of food equipment where there might be incidental food contact

Asked by: lhbt
No, unfortunately we don't have food contact certifications.
Answered by: Flex Service Team
Date published: 2022-11-14

Can flex paste be used instead of caulking around bath tub?

Asked by: Mable
Hi Mable, Flex Paste can be used for bath and shower environments. You might want to look at the cartridge delivery system or Flex Shot for a clean finish.
Answered by: Flex Service Team
Date published: 2023-04-20

Will this flex paste adhere to plastic?

Asked by: Eliza
Hi Eliza! Thank you so much for reaching out and for your interest in our products. Flex Paste can adhere to many surfaces, one of them being plastic. Do you have a specific repair in mind? Send us an email to Humans@FlexSealProducts.com with more information on the repair and pictures, if possible, and we'll be happy to give you a specific recommendation!
Answered by: Customer Service
Date published: 2023-12-08
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