Model # C21H

Internet #100067266

Store SKU #855668

Store SO SKU #1000667622

Frost King E/O 3/8 in. x 20 ft. Caulk Saver
0077578024288

Frost King

E/O 3/8 in. x 20 ft. Caulk Saver

  • Suitable for use with pavement,cracks,wall joints, foundations
  • Compatible with most caulks and sealants
  • Made of resilient, closed-cell poly foam for durability
$2.98 /each

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Product Overview

The Thermwell Products 3/8 in. x 20 ft. Caulk Saver helps insulate and cushion while reducing the amount of caulk needed to fill or seal large openings. Use to back fill large gaps before applying caulk (caulk sold separately). Helps insulate and cushion while reducing the amount of caulk needed to fill or seal large openings.

  • Suitable for use with pavement, cracks, wall joints and foundations
  • Compatible with most caulks and sealants
  • Made of resilient, closed-cell poly foam for durability
  • Saves money

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Customer Questions & Answers

6 Questions6 Answers

Customer Questions & Answers

E/O 3/8 in. x 20 ft. Caulk Saver
E/O 3/8 in. x 20 ft. Caulk Saver

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This question is from E/O 3/8 in. x 20 ft. Caulk Saver
 
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How do I caulk my aluminum kitchen sink?

This question is from E/O 3/8 in. x 20 ft. Caulk Saver
Asked by
Chicago
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October 9, 2016
I caulked once before but it started leaking again. Gaps are about 3/8", do I need caulk saver to make it stop leaking for good?
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October 10, 2016
Answer: 
Do not know if this will work for this. We have never tested for use around sinks.
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How compressible; can it be used in a 1/8" control joint?

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Georgetown, Maine
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August 25, 2016
I need backer rod for a 1/8" saw-cut control joint in a concrete slab. This seems to be the smallest diameter sold by HomeDepot; is it intended to compress into a 1/8" joint?
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August 27, 2016
Answer: 
This product is not meant to be used for this application.
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Can this be used on wood?

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Monroe, NY
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April 6, 2016
I need to seal the gaps on a basement staircase where the stair treads and risers aren't completely flush against the wall.
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April 11, 2016
Answer: 
This is meant to be used as a gap filler and then caulked over to reduce the amount of caulk needed to fill the gap.
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Can this be used in the shower tub. Between tile and tub. Tile was short leaving 3/4 inch opening between tile and tub.

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January 18, 2016
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January 19, 2016
Answer: 
Yes, but you will still need to caulk over it and then grout over that.
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Customer Reviews

E/O 3/8 in. x 20 ft. Caulk Saver is rated 5.0 out of 5 by 5.
Rated 5 out of 5 by from Does what it claims. Great product for filling cracks between concrete pads and holding the caulk in place.
Date published: 2014-05-21
Rated 5 out of 5 by from Good buy I purchased this product to fill in larger gaps around my window siding before re-caulking and worked great and was easy to use. I just wish it was stocked at the store.
Date published: 2014-12-17
Rated 5 out of 5 by from Great for concrete joint resealing the product is as advertised and is very easy to install. I used it in my driveway joints with flexible caulk and was very pleased with the result
Date published: 2015-05-26
Rated 5 out of 5 by from Caulk saver This stuff rocks ice. It is great for making stefans. It does everything you need it to do.
Date published: 2009-12-28
Rated 5 out of 5 by from Works as described. Works as described, don't try to do the job with out this backer.
Date published: 2015-12-08
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