Model # 1675293

Internet #203164965

Loctite PL S40 10 fl. oz. White Polyurethane Window, Door and Siding Sealant (12-Pack)
0079340645424

Loctite

PL S40 10 fl. oz. White Polyurethane Window, Door and Siding Sealant (12-Pack)

  • Commercial grade sealant bonds effectively
  • UV and ozone resistant
  • Can be painted
$68.88 /package

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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 plus/minus 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
  • 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
  • Subject to or will include a recycling fee in the following states: CA, OR
  • Click here to learn more about sealant solutions by Loctite

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Customer Questions & Answers

1 Question4 Answers

Customer Questions & Answers

PL S40 10 fl. oz. White Polyurethane Window, Door and Siding Sealant (12-Pack)
PL S40 10 fl. oz. White Polyurethane Window, Door and Siding Sealant (12-Pack)

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4 answers

I have a gap between a concrete ddor sill and astoop that is wider than 1/4" What typeof caulk can be used?

This question is from PL S40 10 fl. oz. White Polyurethane Window, Door and Siding Sealant (12-Pack)
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Cincinnati, OH
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December 15, 2014
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Answers (4)

Asked by
Hauppauge, NY, USA
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Home Improvement Profile: DIYer
September 8, 2015
Answer: 
Put some backer foam or felt material in and fill the opening.
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Asked by
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April 22, 2015
Answer: 
I would first use some door and window expandable foam seal, let it expand and dry then trim it back to leave a space to apply caulk. Then you can apply PL door & window caulk without any problems of having to fill up a big cavity.
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Asked by
Lakeport, CA
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Home Improvement Profile: DIYer
February 3, 2015
Answer: 
I would use Home Depot's PL Polyurethane caulk for windows and doors. Apply it with latex gloves and an old sock to get the finish you want. Let it dry thoroughly for a few days and then paint it so that it will not remain sticky.
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December 16, 2014
Answer: 
In answer to your question regarding the sealing of a door stoop under a metal sill, you may wish to consider using the Loctite PL S10 Polyurethane Concrete Crack & Masonry Sealant. However, whether or not this sealant is used would depend on several factors. For example, both surfaces being sealed would need to be composed of a masonry substrate (i.e. brick or concrete). Additionally, please note that Read More
In answer to your question regarding the sealing of a door stoop under a metal sill, you may wish to consider using the Loctite PL S10 Polyurethane Concrete Crack & Masonry Sealant. However, whether or not this sealant is used would depend on several factors. For example, both surfaces being sealed would need to be composed of a masonry substrate (i.e. brick or concrete). Additionally, please note that the gap depth should be no greater than 1/4" to 1/2" without the use of a backer rod and the width should not exceed 3/8". Finally, this product is not recommended to use as a seal to prevent against heavy water leakage into a home and is a maintenance item. This means that it would need to be resealed over time. Additionally, any foot traffic causing pressure to the area may weaken or disrupt the seal depending on the joint size, amount of sealant used, and the amount of pressure applied. Read Less
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Customer Reviews

PL S40 10 fl. oz. White Polyurethane Window, Door and Siding Sealant (12-Pack) is rated 4.7 out of 5 by 18.
Rated 5 out of 5 by from Tought Stuff This stuff is way more adherent and durable and tough than silicone based caulking. It also has a much longer working time than silicone products. It is sticky, messy stuff but it works!! I have had the displeasure of having to remove 2 different door units some 6 years after I had sealed them in at the threshold with this product. The polyurethane sealer was very flexible and it would not let go of either surface. Very, very difficult to get the old units out. Had to break apart and cut the poly! I trust this stuff if I want the best possible sealer!
Date published: 2016-10-04
Rated 5 out of 5 by from WHITE POLYURETHANE SEALANT If you want caulk to last, this is the stuff. Will tenaciously stick to anything and will outlast anything but glass that it is applied to. It is sad that the store no longer carries single tubes and one must order a case to get one. It is worth it to use this product instead of the water bases caulks that are most common.
Date published: 2016-08-02
Rated 5 out of 5 by from Great for application Although this takes a long time to dry, I believe it will be longer lasting than other alternatives for locations that will have frequent moisture. Time will tell. It is much easier to work with than expected and was much less expensive than some of the other polyurethane based sealants.
Date published: 2016-10-18
Rated 4 out of 5 by from Used on Vinyl I had rain leaking into my vinyl siding around various holes that had been drilled for phone wires , cable and electrical . The leakage was threatening to rot my subfloor near an outer wall . I used this sealant and my problem is solved . I recommend PLS40 for similar problems.
Date published: 2016-10-19
Rated 5 out of 5 by from This is the good stuff This stuff lasts forever and bonds like crazy. I've been using it for years.
Date published: 2016-04-19
Rated 5 out of 5 by from One of the Best polyurethane caulks I have ever used This caulk should be used for virtually all exterior caulking applications. Although far more difficult to use than latex caulks, there is no comparison with the quality and durability of the end result. There is virtually no shrinkage like there seems to be with the Quad brand of polyurethane caulk. It is applied best with latex gloves and old pairs of socks to get the best results. The only reservation I have is that the shelf life of the product is limited. If you keep an unused tube of it around for a year or more, it can be difficult to squeeze out of the tube to the point that the tubes will sometimes burst. Therefore, I recommend buying only what you need. If you need more, then buy fresh tubes when you need them.
Date published: 2015-02-03
Rated 5 out of 5 by from Easier to work with then silicone sealant and adheres to just about anything For exterior use where you would like to paint over it polyurethane sealant is usually the way you need to go. It a closer to the silicone then latex sealants is how easy it is to work and how stringy it can be. But I think polyurethane works better at bonding to porous surfaces then silicone. I just use disposable latex to nitrile gloves to work it in and smooth it out. It does take longer to cure than silicone but it should hold up better. Plus this is paintable too. Paint does not adhere well to good quality silicone.
Date published: 2015-09-08
Rated 5 out of 5 by from Great product I love this sealant. I use it for gluing all kinds of materials together. It sticks much better than Liquid Nails, is very rubbery and elastic and is paintable. It is messy to work with though and could take a couple days to fully cure. You can smooth it with tools if you dip the tool in paint thinner or spray thinner on the surface first. Use thinner or mineral spirits for cleanup.
Date published: 2015-12-29
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