Flex Seal 2.5 gal. Liquid MAX Black Liquid Rubber Sealant Coating
4.5378 Reviews
Item # 1929421
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4.5378 Reviews
Item # 1929421
This item is available online only
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37027
Free standard delivery on online footwear & Clothing purchases of $49 and over.
Neighbor’s Club Members earn points with purchases.
Flex Seal LIQUID MAX is a thick rubberized liquid that you can brush, roll, dip or pour. It starts out as a thick liquid and dries to a strong, flexible, watertight, rubberized coating. Seals out air, water and moisture and is mildew, chemical and UV resistant. Available in black, white, clear, and gray. Flex Seal Liquid is perfect for:Flex Seal Liquid works on: Concrete, glass, brick, stucco, masonry, wood, copper, plastic, tile, fabrics, wires, vinyl, fiberglass, ceramic, porcelain, metal, aluminum, natural stones, foam, asphalt, EIFS, TPO, PVC, EPDM, CSPE, Hypalon polyurethanes and more. Available in pints (16 oz), quarts (32 oz) and gallons (128 oz).
- Concrete and asphalt repair
- Foundation repair and preventing basement seepage
- Weatherizing and sealing out moisture
- Home and roof repair
- RV and motorhome weatherizing and repair
- Pools and pool equipment
- Outdoor ponds and bird baths
| Brand | Flex Seal |
|---|---|
| Country of Origin | Made in USA |
| Container Size | 2-1/2 gal. |
| Coverage Area | 375 sq ft |
| Cure Time | 24 hr. |
| Dry to Touch | 2-3 hours |
| Features | Flammable, Moisture Resistant, Non-Toxic |
| Indoor/Outdoor | Indoor and Outdoor |
| Longevity | 99 years |
| Package Quantity | 1 |
| Primary Color | Black |
| Product Height | 10.5 in. |
| Product Length | 10 in. |
| Product Weight | 20 lb. |
| Product Width | 10 in. |
| Sealant Form | Other |
| Sealant Type | Rubber |
| Manufacturer Part Number | LFSMAXBLK02 |
Start typing your question and we'll check if it was already asked and answered.
1 - 3 of 3 Questions
Newest questions
Q: I have a pressure treated wood foundation that is 8 feet under ground; can the treated plywood be treated w flex seal to seal the exterior before backfill?
a month ago1 Answer
- A: Hi Bobo! Yes, Flex Seal Liquid is suitable for this type of application.a month agoHelpful?
Q: WHAT CAN I USE TO THIN PRODUCT DOWN?
a year ago1 Answer
- A: Hi Diana we advise not thinning out this producta year agoHelpful?
Q: I have a flat roof that has a tar roof covering. It’s not leaking but is worn and has cracks from many years of hot summers and cold winters as I live in upper Michigan. Looking to reseal my roof and would this product work for me
3 years ago1 Answer
- A: Yes.3 years agoHelpful?
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1 to 4 of 378 Reviews .
1 – 4 of 378 Reviews
Most Recent
SIERRA4PAWS
29 PALMS, CA
Review 1
GenderMale
Age65 or over
5 out of 5 stars.
EVERYTHINGS DUCKY
2 years ago
USED IT TO COAT THE INSIDE OF AN 8 FOOT ROUND METAL TUB (SO IT WON"T RUST) THAT WE GOT FOR OUR DUCKS TO USE AS A SWIMMING POOL.
Yes, I recommend this product.
Originally posted on flexsealproducts.com
Response from flexsealproducts.com:
2 years ago
Flex Seal Family of Products Customer Care
Hi there! Thank you so much for your 5 star rating. If you'd like some helpful tips and tricks for future DIY's, feel free to message us at humans@flexsealproducts.com. Flex On!
Anonymous
Review 1
GenderMale
Age65 or over
3 out of 5 stars.
Flex Seal Liquid - pint
2 years ago
Product works, but despite my securely closing the lid between usage, a portion of the remaining contents start to solidify, requiring removal of that portion to get to useable material.
Yes, I recommend this product.
Originally posted on flexsealproducts.com
Response from flexsealproducts.com:
2 years ago
Flex Seal Family of Products Customer Care
Hi there, thank you for taking the time to share your feedback with us. We're sorry to hear that Flex Seal did not live up to your expectations. When you have a moment, please send us an email at humans@flexsealproducts.com so we can turn your experience around. We look forward to hearing from you, have a great day.
Fred
Washington DC
Review 1
GenderMale
Age55 to 64
4 out of 5 stars.
Looks Like it Will do the Job
2 years ago
The clear coat went on easily and sealed up the seams in my basement cinderblock wall, keeping out rainwater. The Flex Seal couldn't be cleaned from my brush, so I switched to cheap throw-away brushes. During painting and curing, Flex Seal had a very strong odor which permeated the entire house and took 2 days to disperse, even with open windows in the work area and vent fans going full blast. The dried coat is glossy, which makes the painted area reflective and look wet; a flat finish would be much better and non-glare. The Flex Seal liquid did not require mixing, just open the can and apply.
Yes, I recommend this product.
Originally posted on flexsealproducts.com
Response from flexsealproducts.com:
2 years ago
Flex Seal Family of Products Customer Care
Hi there! Thank you so much for your 4 star rating. If you'd like some helpful tips and tricks for future DIY's, feel free to message us at humans@flexsealproducts.com. Flex On!
Buddy
Kentucky
Review 1
GenderMale
Age65 or over
5 out of 5 stars.
Repaired cracked rain barrel.
2 years ago
Very surprised, 55 gal resin rain barrel froze and split at the seam
Yes, I recommend this product.
Originally posted on flexsealproducts.com
Response from flexsealproducts.com:
2 years ago
Flex Seal Family of Products Customer Care
Hi there! Thank you so much for your 5 star rating. If you'd like some helpful tips and tricks for future DIY's, feel free to message us at humans@flexsealproducts.com. Flex On!