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DAP Dynaflex 230 10.1 oz. Premium Indoor/Outdoor Sealant
0070798183001

DAP

Dynaflex 230 10.1 oz. Premium Indoor/Outdoor Sealant

$4.12 /each

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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

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Customer Questions & Answers

19 Questions39 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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5 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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Asked by
eugene or
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Home Improvement Profile: DIYer
August 16, 2016
Answer: 
it sure can
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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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3 answers

Your packaging says, "silicone tough". does that mean there is or is not silicone in the product?

This question is from Dynaflex 230 10.1 oz. Premium Indoor/Outdoor Sealant
Asked by
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August 4, 2016
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August 5, 2016
Answer: 
No, this is acrylic latex.
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Asked by
Massachusetts
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Home Improvement Profile: Professional
August 5, 2016
Answer: 
Dear Dad: No, DAP Dynaflex 230 does NOT contain any silicone. It can be cleaned up with water, which is not true for silicone or new “hybrid” or “paintable silicone,” modified-silicone polymers or silane-modified polymers (SMPs) -- which all require mineral spirits.

We use DAP 230 for all of our exterior sealing, e.g. around windows and to air/water seal the joints and edges of foamboard. It is much
Read More
Dear Dad: No, DAP Dynaflex 230 does NOT contain any silicone. It can be cleaned up with water, which is not true for silicone or new “hybrid” or “paintable silicone,” modified-silicone polymers or silane-modified polymers (SMPs) -- which all require mineral spirits.

We use DAP 230 for all of our exterior sealing, e.g. around windows and to air/water seal the joints and edges of foamboard. It is much easier to work with than silicone, but is tough and resilient -- as the guarantee implies.

I hope this is helpful,

Mark
Read Less
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August 5, 2016
Answer: 
DYNAFLEX 230® is a premium elastomeric latex sealant with silicone-like toughness. 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.
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3 answers

How long does this caulk need to dry?

This question is from Dynaflex 230 10.1 oz. Premium Indoor/Outdoor Sealant
Asked by
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July 8, 2014
I am needing to seal an egress window and want something that is quick drying; some of the products on the market take 7-10 days and this is too long to wait.
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Asked by
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October 5, 2016
Answer: 
In my exterior application, this product is not drying or skinning. I write this 4-days since the application. If you need something quick-dry, DAP 230 is not the product for you.
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February 18, 2016
Answer: 
If it is hot day, surface dries in a few hours. Next day it is dry. Full cure though can take a week or two. After a full cure it is as a rubber. It can be painted after the surface is dry.
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July 8, 2014
Answer: 
The fastest curing sealant that DAP currently offers is DAP® 3.0 ™ Window, Door, Trim & Siding High Performance Sealant, for more information please visit: http://www.homedepot.com/p/DAP-3-0-White-Window-Door-Trim-Siding-Sealant-18360/202337656
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3 answers

Waiting time to paint with latex paint on dynaflex230?

This question is from Dynaflex 230 10.1 oz. Premium Indoor/Outdoor Sealant
Asked by
Barrinton, IL
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February 20, 2014
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Asked by
Stateline, NV
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October 14, 2016
Answer: 
Are you using the colored stuff or the clear? The colored stuff states 2-4 hours before paint. I would give it 24 hours if you could just to be on the safe side.
The clear stuff states 7-14 DAYS. They are not kidding. If you paint it before a full cure the paint will spiderweb and look cracked.
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Asked by
San Antonio, TX, USA
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May 13, 2014
Answer: 
Depending on temperature and humidity wait until product looses its tackiness or at least 12 hours.
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February 20, 2014
Answer: 
Under normal room temperature conditions, the product (white and colors) can typically be painted in approximately 2 hours. Additional dry time may be needed in low temperature conditions, high humidity conditions or with deep joints.
http://www.dap.com/product_details.aspx?BrandID=14&SubcatID=3
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Customer Reviews

Rated 3.4 out of 5 by 36 reviewers.
Rated 1.0 out of 5.0 by Disappointing -- will not dry I purchased this product to caulk exterior gaps. During the application of this product, I was delighted and thrilled. The product feel and texture made working the caulk easy and enjoyable compared to a silicone. However, that initial jubilation and pride in my purchase decision was tamped raw as the product is not drying. Four days since application and the viscosity is no different than day one. The product did not skin and is not drying. Do not use this product. Use a tried and true silicone. The word premium is simply marketing jargon and false. I regret my purchase choice and I dread even more the looming clean-up necessary now to remove this product and use silicone. October 5, 2016
Rated 5.0 out of 5.0 by Good Stuff I have used about 12 tubes of this stuff to seal up my 54 year old house. It works really well. I have used mostly the gray color as my house is painted gray. I think alot of the bad reviews are based off of people who did not read the instructions. There is a BIG DIFFERENCE between the colored stuff and the clear. The CLEAR TAKES A LONG TIME TO CURE. It states right on the tube, the colored stuff is ready for paint in less than 4 hours, but the clear is 7 DAYS. I have a bunch of tubes left and plan on using this exclusively on my house. October 14, 2016
Rated 1.0 out of 5.0 by Not good for exterior use in Colorado Big disappointment. Used Dynaflex prior to exterior painting with various gaps and backer rod where applicable. Waited a few days for product to dry. Product did not appear to be cracking after cure time, but within a few DAYS of applying latex paint it began to crack. Regardless of application almost all of it has cracked, especially on the joints of lap siding which it was recommended to be used on. Would not recommend product for exterior use. At least not in Colorado. Only thing worse than paint prep is re-doing the work so soon. Will try Big Stretch and avoid this product in the future. September 20, 2016
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 Dynaflex 230 Caulk I used this caulk for raw wood trim and a wood surface in 60 degree weather. After several days this caulk is still not dry. Now I have to remove it and recaulk with another product. This is awful! October 3, 2016
Rated 1.0 out of 5.0 by DYNAFLEX 230 NEVER SEEN ANYTHING LIKE THIS .THAT IS SUPPOSED TO BE FLEXIBLE AND WATER PROOF. IT WAS NEITHER. I HAD TO REEDO ALL THE JOINTS AND IT WAS A MESS TO CLEAN UP. WHAT A WASTE OF MY TIME AND MONEY. September 11, 2016
Rated 1.0 out of 5.0 by Did Not Meet Expectations. Thought that this caulk would be a good choice to reseal around windows. Cleaned out old caulk and used 2 tubes to seal and fill minor gaps (less than 1/4"). Four hours later caulk did not form an outside skin. The next day it rained and dissolved most of the caulk. Had to remove caulk, clean it out of the bricks and purchased different product. No where on the tube does it say to not use if rain is in the forcast within 24 hours. Product only states that it should be allowed to dry 2-4 hours before painting. Temperature was in the 80's and 65% humidity. Returned product to Home Depot and explained issue. Home Depot refunded my money with no problem. July 14, 2016
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