SKU: 60594231799

B-TUFF® 921A | NSF-Approved Two-Component Polyurea Waterproofing Membrane 4.5 Gal Kit

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Description

B-TUFF® 921A | NSF-Approved Two-Component Polyurea Waterproofing Membrane 4.5 Gal KitB TUFF 921A NSF Approved Two Component Polyurea Waterproofing Membrane Two Component, Fast Curing, NSF 61 Approved Liquid Applied Polyurea Waterproofing Membrane Brand: Poly Tuff Systems International B TUFF 921A is a two component, fast curing, low odour, NSF 61 approved, liquid applied polyurea waterproofing membrane for potable water containment, tank liners, pond liners, and corrosion protection. Confirm suitability, coverage, cure time, and

B-TUFF® 921A | NSF-Approved Two-Component Polyurea Waterproofing Membrane

Two-Component, Fast-Curing, NSF-61 Approved Liquid-Applied Polyurea Waterproofing Membrane | Brand: Poly-Tuff Systems International

B-TUFF 921A is a two-component, fast-curing, low-odour, NSF-61 approved, liquid-applied polyurea waterproofing membrane for potable water containment, tank liners, pond liners, and corrosion protection. Confirm suitability, coverage, cure time, and system compatibility against the current TDS, SDS, NSF-61 certification scope, and project specification before use.

Professional system note: NSF-61 approval applies to specific applications and conditions — confirm the certification scope against the current NSF-61 listing and project specification before specifying for potable water contact applications. Confirm the full system specification against the current TDS before use.

Key Characteristics

  • Two-component polyurea — requires accurate mixing and specialized spray equipment; confirm equipment requirements against the current TDS before use.
  • Fast-curing — designed for rapid return to service; confirm cure times against the current TDS as they vary with temperature and humidity.
  • NSF-61 approved — confirm the certification scope and applicable conditions against the current NSF-61 listing before specifying for potable water contact applications.
  • Seamless, liquid-applied membrane — designed to form a continuous barrier; final performance depends on substrate condition, preparation, and application method.
  • Multi-substrate compatibility — designed for use on concrete, metal, steel, asphalt, glass, and wood; confirm substrate preparation requirements against the current TDS before use.

Typical Applications

  • Potable water containment liners — confirm NSF-61 certification scope before specifying
  • Tank and pond liners
  • Corrosion protection on metal and concrete
  • Secondary containment liners

Limitations

  • Requires specialized spray equipment — confirm equipment requirements against the current TDS before use.
  • Confirm NSF-61 certification scope before specifying for potable water contact applications.
  • Confirm substrate preparation requirements against the current TDS before use.
  • Cure time is temperature and humidity dependent — confirm against the current TDS.
Purchasing Note: All sales are intended for professional and trade purchasers. Before ordering, confirm product suitability, NSF-61 certification scope, quantity, system compatibility, substrate condition, pickup timing and delivery requirements. Product use and installation are the responsibility of the purchaser and installer.

Canopus Supply Inc. — Waterproofing & Protective Coatings, Metro Vancouver & BC

Technical information is provided for professional reference only. Product selection, substrate preparation, installation method, coverage, cure time, system compatibility and final performance remain the responsibility of the purchaser, installer, project specifier and/or manufacturer documentation. Always confirm suitability against the current TDS, SDS, project specification and site conditions before use.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 60594231799

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Chansis Crpz
Belleville, US
★★★★★ 5
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Color: Marvel: Spidey Kid, Style: Kids Medium
This backpack has been such a great find for us, especially with our Spidey-Loving little one. The Spider-Man design is adorable - bright, bold, and instantly loved by the little one. It's the perfect size for toddlers, but still roomy enough that we've been using it as a diaper bag, and it works surprisingly well. The compartments are thoughtfully laid out, making it easy to organize diapers, wipes, snacks, a change of clothes, and even a small toy or two. The zippers are smooth, the material is durable, and the straps are comfortable for either of us or the little one to carry. It's lightweight but sturdy, and the quality feels great for everyday use - whether we're heading to daycare, the park, or just running errands. If you're looking for a toddler backpack that's cute, functional, and versatile enough to double as a diaper bag, this one is an awesome choice.
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Reviewed in the United States on April 17, 2026
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Paloma Pineda
West Palm Beach, US
★★★★★ 5
It had lots of pockets and it’s so sturdy very well made
Color: Disney: Cars Lightning Speed, Style: Kids Medium
This bookbag is very good quality ease to use has very good storage capacity very easy to organize your child’s items my son loves his bookbag and match lunch box the weight is very good on it this is a very good item I would recommend it 100% it’s very pretty too very good print
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Reviewed in the United States on April 12, 2026
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Jack
Belleville, US
★★★★★ 5
Frozen
Color: Disney: Frozen Elsa's Snowflake, Style: Kids Medium
My daughter is a huge fan of Frozen, so she was extremely excited about this backpack! The design is beautiful, the colors are bright, and the characters look very clear and high quality. The backpack itself is also very well made and durable. We’ve been using it for almost two years, and it still looks great and holds up really well. Definitely a great choice for little Frozen fans!
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Reviewed in the United States on May 12, 2026
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ashlee
Chelsea, US
★★★★★ 5
The Best Product and Brand!
Color: Paw Patrol: Outdoor Adventures, Style: Kids Medium
Simple Modern is just simply the best😂 I have two of their backpacks, one is a large size and the second is a medium size (this one), and both of them are very sturdy, they hold a good amount for the age of the child using the bag, there is a clip in the front that helps to keep it on the child, and over all it is just an amazing quality and size bag, with a variety of patterns to choose from!
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Reviewed in the United States on March 30, 2026
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Jennifer_2909
Louisville, US
★★★★★ 5
Fun, cute bag! Perfect for Cars lovers ♥️
Color: Disney: Cars Lightning Speed, Style: Kids Large, Color: Disney: Cars Lightning Speed, Style: Kids Large
From the reviews I thought it was going to be small, but surprisingly its the perfect size for my son. Amazing quality, great size, comfortable and bright colors! Couldn't resist and got the lunch box to match as well 😊
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