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Eastwood Flexible Strip Caulk Bk 2-lbs is rated 5.0 out of 5 by 11.
Rated 5 out of 5 by from Better than 3M strip caulk I've used the industry standard 3M strip caulk for decades. But in recent years when I ordered it, each time the product has been smashed into the package and hard to use. This wasn't a localized incident and it wasn't careless shipping. 3M just mashes it into the package. So, this time I changed gears and ordered the Eastwood version of strip caulk. Much, much better. It's properly boxed and works very well. After ordering this, I won't ever again use the 3M stuff that most places sell. Eastwood really sells a good product here. My highest recommendation.
Date published: 2016-06-21
Rated 5 out of 5 by from Eastwood flexible strip caulk Needed to seal exterior pieces on my 29 chevy coupe and this was the answer to my problem it worked well.......
Date published: 2016-01-11
Rated 5 out of 5 by from very easy to work with great stuff. if i need more i will reorder with eastwood
Date published: 2015-11-15
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My 1970 Nova OEM door water shied installation utilized some type of strip caulk product. The originals are quite tattered and i am replacing them. The existing caulk material is almost gone and I was wondering if this product will adhere to both steel a

Asked by: Popsdeuce
I would recommend our Flexible Strip Cauk
Answered by: Bob G
Date published: 2018-07-18

Is this product compatable with Lexan polycarbonate greenhouse panels?

Asked by: NateB
While we have never tested on lexan polycarbonate green house panels we can say our strip caulk is relatively inert and should have zero problems on such a material.
Answered by: Scott C
Date published: 2018-07-16

will the flexible strips work in drip rails

Asked by: ace41
It says in The product description that it is paintable.
Answered by: Itchy Mike
Date published: 2018-03-11

Is this no longer available in grey?

Asked by: Dixon
This strip caulk is only available in black.
Answered by: S Church
Date published: 2017-08-10

Should Flexible Strip Caulk be put on primed weld seams or can it be put on bare welded seams?

Asked by: 55c4wagon
This strip caulk is designed to be used on areas that need to be sealed after paint.
Answered by: S Church
Date published: 2017-03-27

How many linear feet is there in 2 lbs.???

Asked by: Mukashi
There is roughly 98 linear feet to a box.
Answered by: S Church
Date published: 2017-06-23

Does this break down with gasoline?

Asked by: Jake W
Gasoline will damage this product.
Answered by: S Church
Date published: 2016-08-10

Is this for exterior use. How do hot & cold temps. affect it?

Asked by: whatever
This product can be used in exterior applications, as it remains flexible and doesn't dry out. This type of product was commonly used in engine bays, and was not affected by the elevated temperature.
Answered by: NickC
Date published: 2016-08-10
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  • clientName_eastwood

Eastwood Flexible Strip Caulk Bk 2-lbs

Eastwood Flexible Strip Caulk Bk 2-lbs

Item #13524 Brand: Eastwood

Seal-out moisture, debris from irregular
areas; non-hardening, paintable
Quantity: close

In stock

Only $16.99
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Flexible Strip Caulk seals-out moisture and debris from irregular areas

  • 2 pounds of 3/16" x 12"-long strips
  • Stays flexible
  • Good up to 150 degrees F
  • Paintable
  • Black

Non-hardening, paintable caulk strips match the original equipment look, so they're perfect for firewalls, taillight housings, trim, HVAC systems and anywhere gaps need to be sealed.

More info...
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About Eastwood Flexible Strip Caulk Bk 2-lbs

When you've got a narrow gap that needs to be securely sealed, whether in your garage or in your home, Eastwood's Flexible Strip Caulk is what you're looking for. Seals-out moisture and dirt from irregular openings and anywhere gaps need to be sealed.


Approx. 98 Flexible Caulk Strips, each 3/16" x 12" long


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Works on metal, paint, glass, plastics and rubber. Surface must be clean and free of wax, grease and debris. Product must be at room temperature. Place the caulk bead over the joint and press firmly into joint. Caulking material will not crack or shrink.


Always wear eye, skin and respiratory protection when using this product. Always apply in a well-ventilated area. Consult MSDS and product label for specific safety warnings.

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Customer Reviews

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Questions & Answers