0079340689206

Loctite

Model 1675293

Internet #203163736

Store SKU #184282

PL S40 10 fl. oz. White Polyurethane Window, Door and Siding Sealant

$5.85 /each

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Product Overview

Loctite PL S40 Polyurethane Window, Door and Siding Sealant is a premium quality commercial grade sealant developed especially for forming permanent, water and weather resistant seals in most exterior gaps and joints. This sealant exhibits outstanding durability, tear resistance and a movement capability of ± 25% which accommodates construction material movement to protect the original seal. Loctite PL S40 Polyurethane Window, Door and Siding Sealant is UV and ozone resistant, and does not soften in the sun. It is also CARB (California Air Resources Board) compliant.

California residents: see   Proposition 65 information

  • Polyurethane formula is durable and weatherproof to withstand harsh exterior environments
  • Paintable to blend with surrounding surfaces for a professional finish
  • One-time application, heat and UV exposure will not deteriorate sealant over time
  • Permanently flexible, excellent for use on expansion joints
  • Low VOC formula complies with Federal and State regulations Nationwide
  • Subject to or will include a recycling fee in the following states: CA, OR
  • Click here to learn more about sealant solutions by Loctite
  • Note: Product may vary by store.

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Customer Questions & Answers

6 Questions12 Answers

Customer Questions & Answers

PL S40 10 fl. oz. White Polyurethane Window, Door and Siding Sealant
PL S40 10 fl. oz. White Polyurethane Window, Door and Siding Sealant

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This question is from PL S40 10 fl. oz. White Polyurethane Window, Door and Siding Sealant
 
4 answers

is there an experation date on this product

This question is from PL S40 10 fl. oz. White Polyurethane Window, Door and Siding Sealant
Asked by
mcallen texas
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November 17, 2015
i looked int he bottom but I'm not sure if it's a batched or an expiration date on it?
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Answers (4)

Asked by
Long Beach CA
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Home Improvement Profile: DIYer
April 26, 2016
Answer: 
Date code on this product breaks reads like this:
Example used on LOCTITE website "L3 6 F AC569", as found on plug at bottom of tube.
L3=Location of production (PUERTO RICO)
6 = Last digit of year produced
F = June, Month of production A=1 OR JANUARY, B=FEB, C=MAR, D=APR and so on.
AC569 = batch number.
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Asked by
Atlanta, GA
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Home Improvement Profile: Professional
January 14, 2016
Answer: 
Regarding the question about date, a used tube I fished out of the trash has what appears to be "3R3217K42" on the rear sliding closure that the caulk gun pushes on, although it's really hard to tell for sure.
Perhaps "Loctite Consumer Relations" would like to share with us how to decode the secret date code that they claim is in there so we can avoid buying more tubes that are already half cured.
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Asked by
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Home Improvement Profile: Professional
January 13, 2016
Answer: 
I've used a lot of this caulk and I've never found an expiration date on the tube. There is a batch or lot number but no date.
It's really a gamble as to what you get. I have purchased several tubes that were already semi-cured in the tube and very hard to use.
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November 18, 2015
Answer: 
The code on the bottom of the tube of PL S40 gives a date of manufacture. Shelf life is one year from that date, unopened.
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This question is from PL S40 10 fl. oz. White Polyurethane Window, Door and Siding Sealant
 
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Can the PL S40 Polyurethane sealant be painted prior to the 7 day cure period?

This question is from PL S40 10 fl. oz. White Polyurethane Window, Door and Siding Sealant
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Arvada, CO
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October 19, 2014
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Asked by
Atlanta, GA
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Home Improvement Profile: Professional
January 14, 2016
Answer: 
I'm holding a used tube of PL S40 right here in my sweaty little hand. Interesting that I find no instruction on the tube about waiting 7 days before painting, and in fact I find no instructions whatsoever on the tube. Isn't that interesting.
Regarding the other question about date, this tube has what appears to be "3R3217K42" on the rear sliding closure that the caulk gun pushes on, although it's Read More
I'm holding a used tube of PL S40 right here in my sweaty little hand. Interesting that I find no instruction on the tube about waiting 7 days before painting, and in fact I find no instructions whatsoever on the tube. Isn't that interesting.
Regarding the other question about date, this tube has what appears to be "3R3217K42" on the rear sliding closure that the caulk gun pushes on, although it's really hard to tell for sure.
Perhaps "Loctite Consumer Relations" would like to share with us how to decode the secret date code that they claim is in there so we can avoid buying more tubes that are already half cured. Read Less
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Asked by
Detroit, MI
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Home Improvement Profile: DIYer
August 17, 2015
Answer: 
NO! the curing process requires outgassing. Painting over it will stop the curing process because there's no ways for the volatiles to escape. This calk will be tacky for days, and then after it's no longer tacky, you can be sure it's still gooey underneath. Wait your seven days. Your patience will be rewarded.
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Asked by
Hubbard, Ohio
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June 15, 2015
Answer: 
if you are using latex paint, it would probably not affect it. But since this stuff needs petroleum distillates to clean up, painting with oil base paints might weaken it.
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October 23, 2014
Answer: 
When using Loctite PL S40 Polyurethane Sealant it is required to wait a minimum of 7 days for this product to fully cure so as not to impact performance characteristics of the paint being used. As the Loctite portfolio offers many products that could meet your application requirements, and we do not know the details of your application, we suggest you contact Loctite Consumer Help Line 1.800.624.7767.
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This question is from PL S40 10 fl. oz. White Polyurethane Window, Door and Siding Sealant
 
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data sheet says to scrape away paint to bare wood before using.

This question is from PL S40 10 fl. oz. White Polyurethane Window, Door and Siding Sealant
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Williston, Vt
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August 10, 2016
I'm surprised to read this. Is this really necessary if the paint is sound, not chipping or peeling? To scrape away all paint seems ridiculous to me!!!
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Answer (1)

August 12, 2016
Answer: 
The instructions provided for surface preparation are in accordance with industry best practices for obtaining best performance from a product. The PL S40 product is polyurethane reactive chemistry and it is not possible to know if any compatibility issues may exist with a particular paint or surface coating. It is recommended that purchasers/users should test the products to determine acceptable Read More
The instructions provided for surface preparation are in accordance with industry best practices for obtaining best performance from a product. The PL S40 product is polyurethane reactive chemistry and it is not possible to know if any compatibility issues may exist with a particular paint or surface coating. It is recommended that purchasers/users should test the products to determine acceptable quality and suitability for the intended use. All adhesive/sealant applications should be tested under simulated or actual end use conditions to ensure the product meets or exceeds all required project specifications. Since assembly conditions may be critical to the products performance, it is also recommended that testing be performed on specimens assembled under simulated or actual production conditions. Read Less
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This question is from PL S40 10 fl. oz. White Polyurethane Window, Door and Siding Sealant
 
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Is PL S40 recommended for COPPER flashing? I am on Long Island, NY

This question is from PL S40 10 fl. oz. White Polyurethane Window, Door and Siding Sealant
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Long Island, NY
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March 24, 2016
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Answer (1)

March 28, 2016
Answer: 
PL® S40 Polyurethane Window, Door & Siding Sealant is not officially recommended for copper flashing. Generally the product is considered a non-priming sealant, however, special circumstances or substrates (kynar, copper, galvanized and stainless steel) may require a primer. It is the user’s responsibility to check the adhesion of the cured sealant on a test joint before applying to the entire project.
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Customer Reviews

Rated 3.8 out of 5 by 10 reviewers.
Rated 5.0 out of 5.0 by Fantastic This sticks to anything, including damp It absorbs moisture as it cures It remains flexible and super tough I recommend indoors and out September 6, 2016
Rated 4.0 out of 5.0 by First time user review Well... I'm not an expert on sealants or adhesives. But I've used many brands of sealants over the years - mostly for generic indoor use. I don't recall ever having had an issue with any of them. This product I bought because I needed something to protect around the outside wooden window frame in some attic windows I was repairing. After 10 hours the sealant still hasn't cured 100% It's very sticky to the touch. I saw someone mentioned 3 days. At this rate that sounds right. The portion that was hanging out of the end of the used tube was still tacky too. Very rubbery. I suspect, once cured, this will be a very robust solution to waterproof joints on the outside of the house. I was expecting it to fully cure in a few hours though. There's no mention of the curing time on the tube anywhere. And I agree with the other reviews, there's a lot of waste if you don't use it all right away. A smaller portion would have been better for my needs but I suspect the cost for a smaller tube would be greater also. I saw nothing that looked like an expiration date on the tube. Home Depot is very good about returns/exchanges so I wouldn't worry about that too much. Anyway, I give it a mostly good review but if you need something with a faster cure time look elsewhere. June 22, 2016
Rated 5.0 out of 5.0 by This stuff wears like iron First, the cons. 1. This stuff is extremely hard to work with. It forms and feels like glue. Silicone is easy to work with a wet rag or even a damp finger. Not with this stuff. It will stay sticky on your hands for days. 2. Seven day cure time. 7 days!!! Now, the pros. 1. This stuff lasts and lasts. I've been a homeowner since the early 90's. I've tried silicone and latex calks. They are pure garbage. Even with the right prep, they just can't handle the wear and tear of being outside. PL S40 wears like iron. I don't know the life expectancy, but it's greater than 8 years and I would estimate closer to 12. I've never seen it fail, or even think of failing. Amazing stuff!! I just finished a restoration of an 85 year old wood garage door. 40 panels later, and I'm fully confident that door will good for the next 10-15 years based on my prior experience with this product. Do it once. Do it right. Use Loctite PL. August 17, 2015
Rated 3.0 out of 5.0 by Great Caulk - But Use It Quickly This is great caulk. It sticks tenaciously, stays flexible, and does not break down from weathering. The problem is shelf life. If you're a contractor and use multiple tubes per week then you're good. If you're a homeowner doing small fix up jobs you will waste a lot more of this caulk than you actually use. That's because it hardens in the tube in just a few weeks, even when unopened, and becomes unusable. Oh, I almost forgot, when used as directed it takes 3 days of warm temperatures before it's paintable. January 13, 2016
Rated 5.0 out of 5.0 by My Sealant of Choice I've been using this for awhile around the house and I used to use it when I had an RV. I have gotten away from silicone as I feel it loses it's adhesiveness to the suface to soon. Hence no more sealing. Also you can't paint over it or apply another sealant over it. This stuff is tough and sticks and stays. It's great on RV's as it's flexible and paintable. I like the heavier density of it to work with it. I'll agree it does dry kind of fast. I keep all my sealants/adhesives plugged and in a mini fridge. Saves wa$te. Great product! Not to be a wise acre.... but did the guy who can't get it out of the tube puncture the seal inside the nozzle?? May 22, 2015
Rated 1.0 out of 5.0 by Absolute Junk. I have tried 3 different tubes of this polyurethane caulk, hoping to seal around new door and window installs, and all 3 have been impossible to use. It is as though it has begun to harden in the tube before even being opened. I have used 3 other brands of polyurethane and elastomeric caulks when these have failed, and I have had great success with the other brands. Also had poor experiences with Loctite's Fast Grab adhesive, taking longer to adhere than "regular" speed adhesives. I would not buy this product again, and I would be hesitant to try any product made by Loctite ever again. December 26, 2014
Rated 1.0 out of 5.0 by hard in tube even before use I bought two tube of PL S40 and it is so stiff, you can not get your gun to squeeze it out. Thought I was buying quality, but I was wrong because I couldn't get it out of the tube to find out. May 9, 2015
Rated 5.0 out of 5.0 by door and window caulking If your looking for a one time application, this is it. This stuff is super tacky and will stick to anything, long as it's clean. Then look out, don't try and take it apart. This is the best product I've found. Doesn't harden in the tube after you use it once. You can keep using it everyday for a week. All you do is peel off the nub on the end of the gun and caulk away. Does not harden in the tube. I'm buying more of this product. Only gig I can give this is the cleanup from your hands. Think it says to use mineral spirits or equivalent. I use hand cleaner to remove it. But again for caulking you can't beat it. November 19, 2013
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