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Geocel GC28100 Pro Flex RV Flexible Sealant - Clear

4.6 4.6 out of 5 stars 5,723 ratings

To see product details, add this item to your cart. You can always remove it later.
Clear
Flex Rv

Purchase options and add-ons

Material Plastic
Brand Geocel
Style Resealable
Item Weight 0.9 Pounds
Item Dimensions LxWxH 2 x 2 x 11.38 inches

About this item

  • Flash Point: 93.0 Degrees_Celsius
  • Excellent Adhesion To Many Surfaces, Even When Damp
  • Resealable; May Be Applied Over Itself
  • Paintable And Resists Dirt Pick-Up

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Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 2 x 2 x 11.38 inches; 14.4 ounces
  • Item model number ‏ : ‎ GC28100
  • Date First Available ‏ : ‎ July 9, 2010
  • Manufacturer ‏ : ‎ Geocel
  • ASIN ‏ : ‎ B001FC98X2
  • Customer Reviews:
    4.6 4.6 out of 5 stars 5,723 ratings

Product Description

Pro Flex RV Flexible Sealant is specifically designed for the recreational vehicle industry. It can be exposed to adverse weather conditions right after application. Pro Flex RV Sealant has excellent expansion and contraction properties to withstand the joint movement and temperature changes associated with recreational vehicles. It bonds to many recreational vehicle materials, even damp, slightly oily, or frozen surfaces. For use on aluminum, glass, coated steel (Kynar 500 based finishes), steel, wood, fiberglass, and vinyl. Do not use on traffic-bearing surfaces. Do not use on extruded polystyrene insulation sheathing (Styrofoam, etc.), TPO, or EPDM. Do not use on acrylic skylight glazing surfaces. Do not use in areas where food is processed or stored. Do not use for potable water applications.


From the brand


From the manufacturer

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Quality is a key ingredient in every Geocel product and service offered. This is why professionals have come to trust and depend on Geocel products to help them do the job right the first time. The quality line of sealants helps professionals save time, lower costs, and reduce callbacks.

Our waterproof technology allows for multi-purpose solutions and powerful protection in tough construction applications. Whether it's for construction or repair applications, Geocel products continually perform as promised and as expected to ensure reliability.

Geocel was the first U.S.-based sealant manufacturer to receive ISO 9001 Registration. Standards like these, along with contractor participation in new product development have brought about many of the innovative solutions that are relied on today with confidence.

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Pro Flex RV Flexible Sealant 4500 Roof Bonding Sealant 3300 Professional Grade... 8150 100% Silicone High Performance...
Customer Reviews
4.6 out of 5 stars
5,723
4.5 out of 5 stars
318
4.0 out of 5 stars
17
Application/Use Aluminum, glass, coated steel (Kynar 500° based finishes), steel, wood, fiberglass, & vinyl Asphalt shingles, steel, concrete, EPDM, primed TPO, primed PVC, Hypalon (black only), metal, & wood Stone, masonry, ceramics, wood, steel, aluminum, asphalt, BUR, concrete, fiberglass, & vinyl Aluminum, glass, wood, plastic, metal, & concrete

What's in the box

  • Geocel GC28100 Pro Flex RV Flexible Sealant - Clear
  • Looking for specific info?

    Customer reviews

    4.6 out of 5 stars
    4.6 out of 5
    5,723 global ratings

    Customers say

    Customers like the appearance and ease of use of the sealant. For example, they mention it looks great, it's easy to apply and smooth, and it sets up pretty quick. Customers are also happy with quality, and seal. That said, opinions are mixed on drying time, value, durability, and adhesion.

    AI-generated from the text of customer reviews

    219 customers mention196 positive23 negative

    Customers like the quality of the sealant. They say it works great, is the best product for using on their every roof, and is excellent. Some customers also mention that it is easy to use and doesn't run. Overall, customers are satisfied with the quality and functionality of the product.

    "I’m super happy with the quality of this caulking. I’ve used both the clear and white...." Read more

    "...It is hard to make it look good. But it is really effective. It will adhere even when it is 30 degrees out...." Read more

    "Works great. Stays in place. Just be careful where you get it its hard to remove." Read more

    "works great" Read more

    88 customers mention67 positive21 negative

    Customers find the sealant easy to use. They mention that it is easy to apply and smooth, and it works like a charm. Some mention that prep work is essential, but it blends seamlessly and goes on smooth.

    "...Used this stuff to seal it all up. Sets up pretty quick and needs a day before it is not tacky...." Read more

    "...I’ve used both the clear and white. It’s easy to apply as it’s very sticky staying in place and not running or sagging...." Read more

    "...It is easy to use and adheres very well." Read more

    "...It skins pretty fast on a hot day in SC humidity...." Read more

    87 customers mention80 positive7 negative

    Customers like the seal. They say it's the very best for RV sealing out water, perfect for the annual sealing of the camper, and 100% eliminates chances for leaks. It's easy to use as any sealant and has very good flexibility. It performs above all other sealants that they have used and adheres to literally anything.

    "...It’s been through a summer and still fully sealed." Read more

    "...Great stretch and adhesion. Very confident those joints are water tight." Read more

    "...So far no leaks after two years. Shows no signs of deterioration." Read more

    "Overall a very good sealant for an RV...." Read more

    42 customers mention32 positive10 negative

    Customers like the appearance of the sealant. They say it looks great, stays white, and is very happy with the look and workability. Customers also mention that it's incredibly tacky and smooths down easier than other sealants. Overall, customers are satisfied with the product's appearance.

    "...It applies easy and looks good." Read more

    "...I applied this stuff around the trim piece and it went on crystal clear, but when I checked on it a few days later it had the same yellowish tint,..." Read more

    "...I was amazed this morning at how nice both parts look. Because it is self leveling it did a nice job of smoothing itself out...." Read more

    "...You have to get it right as you squeeze it out. It is hard to make it look good. But it is really effective...." Read more

    65 customers mention26 positive39 negative

    Customers are mixed about the durability of the sealant. Some mention that it holds up very well, while others say that it's not sure on long term quality. Some say that the tube busted at the seam, while other say that they see the material cracking or separating from the aluminum.

    "I received a refund for the defective / expired caulking. I will order again and will check the expiration dates first...." Read more

    "...It’s easy to apply as it’s very sticky staying in place and not running or sagging...." Read more

    "...I tried to return it because the the tube busted at the seem...." Read more

    "...So far no leaks after two years. Shows no signs of deterioration." Read more

    62 customers mention42 positive20 negative

    Customers are mixed about the adhesion of the sealant. Some mention that it adheres well, sticks to wet surfaces no issue, and stays in place. However, others say that the substance is sticky and can become messy if its application is not right. The sealant seems more sticky than silicone and more difficult to get a nice looking bead, and it does not apply like regular caulk.

    "...It’s easy to apply as it’s very sticky staying in place and not running or sagging...." Read more

    "...Clear dried very clear, hasn't picked up dirt. Great stretch and adhesion. Very confident those joints are water tight." Read more

    "...The substance is sticky and can become messy if its application is not properly planned for...." Read more

    "Works great. Stays in place. Just be careful where you get it its hard to remove." Read more

    40 customers mention24 positive16 negative

    Customers have mixed opinions about the value of the sealant. Some mention it's well worth the price, while others say it' a waste of money and the worst performing caulk.

    "...The stuff is priced just right and is a great buy." Read more

    "...Just don’t do it and then when you discover that the product isn’t very good, it will be too late and they won’t let you return it and that’s how..." Read more

    "...peoe to not waste time on the cheaper stuff because this stuff is worth the price." Read more

    "...Worth every penny though. I used it to seal windows, doors, lighting and gutters on the exterior of my rig. Be sure to use gloves during application...." Read more

    36 customers mention20 positive16 negative

    Customers have mixed opinions about the drying time of the sealant. Some mention it dries quickly, while others say it takes a while to fully dry. Some customers also mention that the sealer dried out in the tube and it's a pain to get it out.

    "...Time to blend sections together. Clear dried very clear, hasn't picked up dirt. Great stretch and adhesion...." Read more

    "...found that even when properly resealing the cartridge, the sealant dries inside the tube and it's a pain to get it unclogged...." Read more

    "...It is similar to the original caulk that is on our Aliner. It dries almost like silicone but is a little more solid...." Read more

    "it works great to seal a window on my camper.note, it drys fast and is very sticky...." Read more

    Didn't ship well.
    4 Stars
    Didn't ship well.
    It's considered one of the best but, it didn't survive shipping. Will re-order and update this review.
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    Top reviews from the United States

    Reviewed in the United States on February 12, 2024
    Color: ClearPattern Name: Flex RvVerified Purchase
    One person found this helpful
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    Reviewed in the United States on December 4, 2023
    Color: WhitePattern Name: Flex RvVerified Purchase
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    Reviewed in the United States on January 6, 2024
    Color: ClearPattern Name: Flex RvVerified Purchase
    3 people found this helpful
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    Reviewed in the United States on February 4, 2024
    Color: ClearPattern Name: Flex RvVerified Purchase
    Reviewed in the United States on March 2, 2024
    Color: ClearPattern Name: Flex RvVerified Purchase
    Reviewed in the United States on February 9, 2024
    Color: WhitePattern Name: Flex RvVerified Purchase
    3 people found this helpful
    Report
    Reviewed in the United States on July 12, 2023
    Color: WhitePattern Name: Flex RvVerified Purchase
    18 people found this helpful
    Report
    Reviewed in the United States on February 28, 2024
    Color: ClearPattern Name: Flex RvVerified Purchase

    Top reviews from other countries

    Translate all reviews to English
    Sue G
    5.0 out of 5 stars Wow, Never Used Sealant This Good Before
    Reviewed in Canada on October 21, 2023
    Color: WhitePattern Name: Flex RvVerified Purchase
    Chez H
    5.0 out of 5 stars Great.
    Reviewed in Canada on June 16, 2023
    Color: ClearPattern Name: Flex RvVerified Purchase
    Tracy Israel
    5.0 out of 5 stars Caulking
    Reviewed in Canada on October 13, 2023
    Color: ClearPattern Name: Flex RvVerified Purchase
    Patrick bibeau
    5.0 out of 5 stars bien
    Reviewed in Canada on June 2, 2023
    Color: WhitePattern Name: Flex RvVerified Purchase
    BoLaner
    4.0 out of 5 stars Works great
    Reviewed in Canada on November 23, 2020
    Color: ClearPattern Name: Flex RvVerified Purchase