0070798183001

DAP

Model # 18275

Internet # 100035980

Store SKU # 284425

Store SO SKU # 1000058280

Dynaflex 230 10.1 oz. Premium Indoor/Outdoor Sealant

$4.12 /each

Frequently Bought Together

Product Overview

The DAP Dynaflex 230 10.1 oz. Premium Indoor/Outdoor Sealant in white combines durability and permanent flexibility with the paint ability and low odor of a latex sealant. It is ideal for sealing air leaks in windows and doors.

California residents: see  Proposition 65 information

  • Acrylic latex formulation is durable and permanently flexible
  • Blocks drafts and keeps out moisture and pests
  • Paintable to match any surface
  • Mold and mildew resistant
  • Crack proof
  • Cleans easily with water
  • Exceeds ASTM C 920, Class 25
  • Meets ASTM C 920, Class 25 and TT-S-00230C, Class A Specs
  • Subject to or will include a recycling fee in the following states: CA, OR

Info & Guides

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Specifications

Dimensions

Individual size (oz.) 
10.1 

Details

Caulk Form 
Standard Tube 
Caulk Type 
Latex 
Color/Finish 
White 
Coverage (linear ft.) 
55 
Cure time (hours) 
24 
Dry color family 
White 
Dry to touch (min.) 
30 
Fire and high heat resistant 
No 
Indoor/Outdoor 
Indoor/Outdoor 
Longevity (years) 
50 
Moisture Resistant 
Yes 
Mold and mildew resistant 
Yes 
Paint Product Type 
Sealants 
Paintable/Stainable 
Yes 
Permanently flexible 
Yes 
Professional Paint Supplies & Values 
Pro Supplies 
Tintable 
No 

Warranty / Certifications

Certifications and Listings 
ASTM Compliant 
Manufacturer Warranty 
50 Year Satisfaction Guarantee 

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Customer Questions & Answers

15 Questions28 Answers

Customer Questions & Answers

Dynaflex 230 10.1 oz. Premium Indoor/Outdoor Sealant
Dynaflex 230 10.1 oz. Premium Indoor/Outdoor Sealant

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4 answers

If left unpainted does the white turn yellow?

This question is from Dynaflex 230 10.1 oz. Premium Indoor/Outdoor Sealant
Asked by
Grandpa
Spokane Valley
August 5, 2013
If left unpainted when used in exterior application does this product remain white or does it yellow with age?

thx,
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Answers (4)

Asked by
Minnesota
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Home Improvement Profile: Other
March 15, 2016
Answer: 
In response to the reluctant handyman - painting with a primer will not help it avoid picking up debris. Primers all say paint over them in 30 days for this reason - they are very porous (to accept the top coat) and readily collect dirt. Much like flat paint, they are also almost impossible to clean without causing burnishing. If you're looking to paint over caulk for cleanliness (and durability), use a Read More
In response to the reluctant handyman - painting with a primer will not help it avoid picking up debris. Primers all say paint over them in 30 days for this reason - they are very porous (to accept the top coat) and readily collect dirt. Much like flat paint, they are also almost impossible to clean without causing burnishing. If you're looking to paint over caulk for cleanliness (and durability), use a satin paint or shinier. The shinier the finish, the harder the finish (and also the easier to clean). Further, latex paint will stay flexible, while oil is liking to crack. Read Less
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Asked by
San Antonio, TX, USA
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May 13, 2014
Answer: 
Discoloration is minimal, however it will absorb debris which can make the product look unsightly. recommend sealing with paint primer.
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Asked by
Seattle, WA, USA
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October 7, 2013
Answer: 
Based on our experience - if left unpainted and exposed to the sun - it will turn a bit yellowish and will crack. If no exposure to sun - we applied 1.5 years ago and it is still intact (indoor vs. outdoor).
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August 6, 2013
Answer: 
DAP® DYNAFLEX 230® Premium Indoor/Outdoor Sealant does not require paint for use in exterior environments. While a paint coating may add an additional layer of protection, it is tested for stand alone use.
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2 answers

Does the product have shelf life? If so, what is the shelf life?

This question is from Dynaflex 230 10.1 oz. Premium Indoor/Outdoor Sealant
Asked by
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June 29, 2016
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July 5, 2016
Answer: 
The shelf life data for all DAP product can be found on the Technical Data Bulletin "TDB", at www.dap.com. DAP DYNAFLEX 230 Premium Indoor/Outdoor Sealant offers a 12 month shelf life (when properly stored).
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Asked by
Massachusetts
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Home Improvement Profile: Professional
July 1, 2016
Answer: 
Dear WC: The MSDS document does not mention a "shelf life", only that it is, "Stable under recommended storage conditions", e.g. avoid temps over 120 and freezing. I have used tubes that have been stored for ~2 years without no noticeable difference.

Do not, however, leave tubes out in the hot sun for hours while you work. They can quickly exceed the maximum 120 degree temperature and the sealant
Read More
Dear WC: The MSDS document does not mention a "shelf life", only that it is, "Stable under recommended storage conditions", e.g. avoid temps over 120 and freezing. I have used tubes that have been stored for ~2 years without no noticeable difference.

Do not, however, leave tubes out in the hot sun for hours while you work. They can quickly exceed the maximum 120 degree temperature and the sealant will curdle.

I hope this is helpful,

Mark
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2 answers

Can it be used on trim on sides of windows doors, and eat. on a RV?

This question is from Dynaflex 230 10.1 oz. Premium Indoor/Outdoor Sealant
Asked by
Medford, OR
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June 1, 2016
wanting to reseal my camper will this work? already done a quarter of my rig so i hope it will last
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Answers (2)

Asked by
Massachusetts
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Home Improvement Profile: Professional
June 2, 2016
Answer: 
Dear Josh: Yes. DAP 230 is an excellent, long lasting sealant. We use it for all of our residential work, to seal windows, doors, etc. Just make sure the surface is clean. We ran into a problem with one brand of fiberglass windows, and discovered that there was a light film of oil on the surface - probably left over from the manufacturing process.
I hope this is helpful.
Mark
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June 2, 2016
Answer: 
Hello Josh,
DAP® DYNAFLEX 230® 100% WATERPROOF WINDOW, DOOR & TRIM SEALANT is DAP’s most advanced latex
sealant technology. DAP® DYNAFLEX 230® is a premium latex sealant with the performance characteristics of non
-industrial acetoxy silicone products. It combines the
outstanding durability, adhesion and flexibility of a silicone with the easy tooling, paintability, low odor and water clean
-up of a
Read More
Hello Josh,
DAP® DYNAFLEX 230® 100% WATERPROOF WINDOW, DOOR & TRIM SEALANT is DAP’s most advanced latex
sealant technology. DAP® DYNAFLEX 230® is a premium latex sealant with the performance characteristics of non
-industrial acetoxy silicone products. It combines the
outstanding durability, adhesion and flexibility of a silicone with the easy tooling, paintability, low odor and water clean
-up of a latex sealant. It is highly flexible to handle joint movement caused by variations in temperature and humidity without cracking. It provides a long-lasting, durable seal that is 100% waterproof and weatherproof.
This is a very high quality and flexible product. The range of flexibility may not stand up to the movement cause by torque as you move your RV.
Thank you for your inquiry.
Charlotte of the Home Depot Community. Read Less
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2 answers

Can this b used on rubber roofing?

This question is from Dynaflex 230 10.1 oz. Premium Indoor/Outdoor Sealant
Asked by
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March 22, 2016
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Answers (2)

March 23, 2016
Answer: 
This item is not for rubber roofing.
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March 23, 2016
Answer: 
DYNAFLEX 230 is not recommended for use as a roofing sealant.
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Customer Reviews

Rated 3.7 out of 5 by 28 reviewers.
Rated 5.0 out of 5.0 by Very Good caulk, I used on my wooden boat sealing planks I have an old carvel wood hull with mahogany planks. The OEM linseed oil white putty was badly cracked. I wanted to keep out the rain getting between the planks. So I removed the old putty. I primed with zinsser bulls eye primer the wood. Then I filled the seams with the caulk and smoothed it down with my finger. It shrinks some but that is good as I like seeing the plank edges on the hull. Then I painted white acrylic gloss Behr on top. It holds up, no cracks and no leaks since 2014. And you can sand it wet and dry to smooth the surface. couple pics. and link to album https://photos.google.com/album/AF1QipM_ikHu-OwBivAYqVMNCBAor2mAiPa6uDp7fQcD February 18, 2016
Rated 1.0 out of 5.0 by ABSORBS MOISTURE NEVER BUY THIS!!!!!!!!!!!!!!!!!This is horrible caulk. Takes a super long time to dry clear and as soon as it is exposed to rain it will turn white again and swell up from absorbing moisture. Strange why it is advertised to be a waterproof caulk yet absorbs moisture after it is fully cured. This definitely isn't my definition of waterproof! I use several thousand tubes of caulk a year and never had other caulk behave this way. Contacted DAP and they denied anything was wrong with the caulk after testing the samples sent to them. See picture of caulk samples that was exposed to a few days of rain after it was completely clear. January 21, 2016
Rated 1.0 out of 5.0 by Doesn't last! Cracks! I used this to seal wanscoting in our 1/2 bathroom. It started cracking in less than a year. Premium indoor/outdoor sealant? I don't think so. January 28, 2016
Rated 5.0 out of 5.0 by Great 'final layer' sealant for foam board insulation panels In addition to all of the typical applications for DAP 230, it is an excellent 'final layer' sealant for XPS and polyiso foam board insulation panels. It does not dissolve the foam and remains flexible as assemblies expand and contract each day. We recently 'wrapped' the outside of a house in Massachusetts with 2" Foamular XPS panels, for example. We sealed all of the joints and edges first with the 'Windows and Doors' version of Great Stuff, which remains flexible. Then we covered all of the joints and edges with a generous layer of DAP 230, to make sure all of the air leaks were well sealed. A couple of photos are attached. I hope this is helpful. Mark September 26, 2015
Rated 1.0 out of 5.0 by It grows mildew This would be a great product except it loves to grow mildew. Its a shame because that is the only major drawback but it is a big drawback. Give it a couple of years and you will see your siding and window sills turn filthy grey wherever they have been caulked. March 10, 2016
Rated 1.0 out of 5.0 by paint won't adhere We replaced siding trim on a back porch exterior with Hardy board and used this caulk to seal all edges and holes. It dried overnight and the next day we painted with Sherwin Williams Emerald exterior acrylic latex paint (very expensive), and it would not cover the caulked areas. Everywhere we caulked the paint bubbled. After painting the caulked areas 4-5 times, the cover was finally almost acceptable. We will never use this product again and are returning what is left to the store. June 26, 2016
Rated 1.0 out of 5.0 by beware of this caulk the calk is easy to use, but does not perform well on exterior use . Can result in expensive damage when used on gutters, siding and trim. When I used it to seal gutters as specified on cartridge not only failed but turned into a liquid and stained the outside of the gutters. I do not think this caulk should come in contact with water. January 4, 2016
Rated 5.0 out of 5.0 by GOOD STUFF! As a General Contractor I have tried many caulking products over the past 25 years and I have to say this is my go to caulk. I not only use it on exterior projects but it also works great caulking in backsplashes and trim components. Have also inspected projects several years after completion and the caulking still looks great. May 16, 2016
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