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Store SKU #184282

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

  • Weatherproof, permanently flexible polyurethane formula sealant
  • Designed for window, door and siding applications
  • Paintable, tear-resistant, with high durability
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Product Overview

Loctite PL 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 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.

Info & Guides

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Specifications

Dimensions

Individual size (oz.)
10

Details

Color/Finish
White
Coverage (linear ft.)
31
Cure Time (hours)
168
Dry Color Family
White
Dry to touch (min.)
1440
Features
Moisture Resistant,Mold and Mildew Resistant,Paintable,Permanently Flexible
Indoor/Outdoor
Outdoor
Interior/Exterior
Exterior
Kit
No
Longevity
20 years
Number of Tubes Included
1
Professional Paint Supplies & Values
Pro Supplies
Sealant Form
Standard Tube
Sealant Type
Polyurethane
Transparency
Solid

Warranty / Certifications

Certifications and Listings
ASTM Compliant
Manufacturer Warranty
NA

Questions & Answers

Typical questions asked about products:

  • Is the product durable?
  • Is the product easy to use?
  • What are the dimensions of the product?

Customer Reviews

  • 4.3
    out of 165 reviews
  • 82% recommend this product
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Showing 1-10 of 165 reviews
Deceptive. Cure time not on tube. Takes a WHOLE WEEK to cure!
I was looking for a premium outdoor caulk to use on the wood play set I am refurbishing for my daughter’s birthday. I settled on this caulk because it had good expansion properties and longevity, and was paintable. I paid twice the price for this sealant as some other caulks. There was no skin time or cure time on the packaging, but I was not concerned, since it said the caulk is paintable. I should have been concerned. Loctite deceptively leaves the cure time off the package, because it takes A WHOLE STINKING WEEK TO CURE. After I applied the product, it wasn’t skinning, so I had to search and search and search online to find this information buried in the tech specs (on a different webpage than the product info page). The product takes 24 hours to skin and 1 entire week before it cures and is paintable. Well, thanks Loctite for making me miss having this play set done my daughter’s birthday. Putting out a caulk that takes an extremely long 1 week to cure, but purposely leaving that information off of the product labeling, is unconscionable. Most paintable caulks are paintable in 24 hours.
by
Response from Henkel CorporationAug 31, 2020
Thank you for posting your feedback. We are sorry to hear about your experience and that the product did not meet you expectations. Most all polyurethane sealants take at least 7 days for full cure to occur before painting. If you would like assistance, plea call our Technical Help Line at 1-800-624-7767 so we can help.
    2 people found this helpful
    Pretty thick and not as gummy as other sealants I have tried. So far the adhesion is good on bot...
    Pretty thick and not as gummy as other sealants I have tried. So far the adhesion is good on both substrates and no leaking.
    by
    • Verified Purchase
    • Recommended
    Not for the faint of heart! This sealant bonds to Azak type PVC trim with its solvent makeup. It’...
    Not for the faint of heart! This sealant bonds to Azak type PVC trim with its solvent makeup. It’s terrific to work with because of its slow curing time (7 days). But man, you have to be accurate, neat, careful when using because if you get any overage it turns ugly. Work with a can of mineral spirits and a case of paper towels. I’m happy with the results.
    by
    • Verified Purchase
    • Recommended
    4 people found this helpful
    I used about 12 of these on my last project. I used it anywhere there was going to be significant...
    I used about 12 of these on my last project. I used it anywhere there was going to be significant exposure to moisture. It seems to stick to anything I have used it on. I have used many types of polyurethane sealants and adhesives. The adhesive types set quicker and harder, the concrete types flow slower and are harder to apply. This one applies easily and dries very flexible and tough I even used it to install go-board in a shower - really put a lot on and squeeze it out from between the joints so you are sure it has completely covered it, then knock it down with a putty knife. It flows ok with the putty knife. (don't leave any high points, they cannot be removed). There are a couple of drawbacks, the first one is that it takes several days to set properly, the second is that it cannot be cleaned off non-porous surfaces, if you get it on something, wipe it off, that's about the only choice.
    by
    • Verified Purchase
    • Recommended
    3 people found this helpful
    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.
    by
    • DIY
    • Recommended
    12 people found this helpful
    Rating provided by a verified purchaser...
    Rating provided by a verified purchaser
    by
    Response from Henkel CorporationNov 4, 2021
    Thank you for leaving a positive rating. We're glad you are happy with the Loctite PL S40 Polyurethane Window, Door and Siding Sealant. Please let us know if we can ever be of assistance. -The Henkel/Loctite Team 1-800-624-7767
      by
        Great caulk, but 3 of 10 tubes ruptured during...
        Great caulk, but 3 of 10 tubes ruptured during dispensing. Smoothing and cleanup is difficult and messy. If you can dispense it just as you want it is works great!
        by
        Response from Henkel CorporationOct 29, 2021
        Thank you for your feedback, Jim. We are happy that the Loctite PL Window Door & Siding Polyurethane Sealant worked great on your project. We are sorry to hear that the 3 out of 10 tubes ruptured during dispensing the product. This should not happen if the inner foil seal has been pierced and the nozzle has been cut. Otherwise, you may have purchased a defective product. You may reach us at 1-800-624-7767 if you need further assistance. -The Henkel/Loctite Team
          Rating provided by a verified purchaser...
          Rating provided by a verified purchaser
          by
          Response from Henkel CorporationOct 6, 2021
          Thank you for the nice review on the Loctite PL S40 White Polyurethane Exterior Window, Door and Siding Sealant. We are glad you are happy with it. Please let us know if we can ever be of assistance. -The Henkel/Loctite Team, 1-800-624-7767
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              Showing 1-10 of 165 reviews