Model # 1618522

Internet #203156788

Store SKU #184363

Loctite PL 10 fl. oz. Polyurethane Concrete Crack and Masonry Sealant


PL 10 fl. oz. Polyurethane Concrete Crack and Masonry Sealant

  • Compliments rough surfaces like masonry and stucco
  • One-time application, resists age hardening
  • No primer required for most materials, Lower installation costs
$585 /each
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Frequently Bought Together

Product Overview

Loctite PL Polyurethane Concrete Crack and Masonry Sealant is a premium quality, commercial grade sealant developed especially for forming permanent, water and weatherproof seals in all exterior gaps and joints. This sealant is elastic and remains flexible to expand and contract with construction material movement to protect and retain the original seal. Loctite PL Polyurethane Concrete Crack and Masonry does not require a primer for concrete, brick, stone or masonry and resists deterioration from weather, stress or movement. Recommended for repairing cracks in vertical and horizontal surfaces such as concrete walls, foundations and brick and block walls as well as Bonding to concrete, brick, stucco, metal, wood, vinyl, fiberglass and many more substrates.

Info & Guides

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Individual size (oz.)


Caulk Features
Moisture Resistant,Mold and Mildew Resistant,Paintable,Permanently Flexible
Caulk Form
Standard Tube
Caulk Type
Coverage (linear ft.)
Cure time (hours)
Dry color family
Dry to touch (min.)
Longevity (years)
Paint Product Type
Professional Paint Supplies & Values
Pro Supplies

Warranty / Certifications

Certifications and Listings
ASTM Compliant
Manufacturer Warranty

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Customer Questions & Answers


Asked by: Anonymous
I use Dish Soap with a small amount of water in it. After I use a putty knife to fill the crack or repair, I dip my hand (with a glove on) or brush into the soap mixture and then over the sealant material allowing (slide) to smooth out nicely! A City Engineer told me about this trick and I was surprised it actually worked great!
Answered by: swizler
Date published: 2017-03-31

Can this product be effectively used on concrete roof tiles? We have some joints where the old mo...

Can this product be effectively used on concrete roof tiles? We have some joints where the old mortar has come apart, and might also need sealing from wind-driven rain. No more than 1/2 to 1 inch maximum joint. Thank you!
Asked by: bob
As a retired roofer, I'd say so, yes.
Answered by: Dkeith45
Date published: 2017-02-25

How wide of a gap can this be used for?

The gap between my garage and driveway is approx. 2 1/2 inches now, and in need of repair. Is this product meant to span that much of a gap?
Asked by: tbonz
If you're referring to the self leveling caulk, Depth is the main concern. More than 1/2" deep and you will have to fill in the crack with backer rod or wood putty. As far as width I've used it to level a 3' x 3' concrete shower stall and it worked very well.
Answered by: Dkeith45
Date published: 2017-04-08

Sealing gap between concrete steps & foundation

Asked by: Blueyes
If the gap is a crack, sure. Otherwise, if it's say, more than 1/4 inch gap I'd use quick set concrete patch.
Answered by: Dkeith45
Date published: 2017-02-25
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Customer Reviews

PL 10 fl. oz. Polyurethane Concrete Crack and Masonry Sealant is rated 3.6 out of 5 by 24.
Rated 5 out of 5 by from Good product I've noticed this product got some bad reviews so I thought I would give my thoughts. This stuff is not meant to self level. No where have I read it's supposed to. It says right on the tube allow seven days to cure before painting. I believe the bad reviews this stuff got were due to people not taking the time to read the directions. It is hard to squeeze out of the tube with cheep caulk guns so spend a little extra for a good one. I have gone through a few hundred tubes of this stuff and have yet to find a bad one. I've used it on vertical and horizontal cracks and I have been very pleased with the results.
Date published: 2015-09-23
Rated 5 out of 5 by from 10 Years Old And Still Working Great... Surprised by a few of the negative reviews. I came here ... 10 Years Old And Still Working Great... Surprised by a few of the negative reviews. I came here specifically to review this because this is the only type that works for me. Check out my picture of a 10 year old joint, still going strong. First of all, this is NOT self leveling. And that's a good thing for my application. I don't see how people are getting bubbles. Just won't happen with this sticky stuff. Yes, it is beige not gray. I can understand a bit of frustration there. I do find that after a while, it ages well with the rest of the concrete. Maybe this will look bad on new concrete, but on an older driveway that tends to get a patina of dirt and mold, this fits right in after a few months to a year. (See photo.) Otherwise, this sticky stuff is durable as can be. It also flexes well. My driveway is undergoing shifts by a large tree, so my cracks are flexing all the time. This works well to keep the crack filled until the tree finally lifts it too much. In places where the driveway isn't shifting, this stuff has lasted me over 10 years. You really do need to wear gloves (I used nitrile) because this stuff is so sticky on the fingers. It is thick and hard to get out of my caulk gun. So it goes. In this case, thick is good.
Date published: 2017-06-03
Rated 5 out of 5 by from Now This is What I call Caulk! I used this for years but couldn't stand using it......It was so hard to squeeze out. I was tempted to start looking for another caulk. Then I followed one of the other user's advice(thanks Engineer71) and bought the $13 caulk gun. HUH?? what a difference!! The caulk gun actually made this caulk flow out very quick. This stuff turns into an amazing rubber type texture.once cured. I've had some of this caulk in cracks for 2 or 3 years and still going strong.. I've tried several Home Depot products and this by far is the best for concrete. I needed to make some concrete patch around some of the old caulk from 2 years ago, and I couldn't pull this stuff out, I had to cut it out. Now that I have my new caulk gun, this is the only concrete caulk I will purchase from Home Depot. This stuff is very sticky. Anybody have success spreading this with a wet finger? This is the only caulk that I have used that is very difficult and messy to spread with finger. Recently got it on my arm, I did not have Mineral Spirits....ended up using WD-40 followed up by dish soap. Question, is their window/door caulk as superior as their concrete caulk?
Date published: 2016-09-15
Rated 4 out of 5 by from Brick mortar cracks Used this product to weather seal some cracks between brick mortar, and I was very pleased. It matched my standard gray mortar very well, and was just the right consistency to work with on vertical surfaces. With latex gloves on, I recommend just using your fingertip to lightly stir the edges to blend, and wipe with a paper towel as you go. This technique worked best for me. I have yet to use this on a horizontal surface, but I would imagine it would best be suited for larger cracks. I feel like a product that is little more viscous would be better for tiny horizontal cracks.
Date published: 2013-09-02
Rated 4 out of 5 by from Good product, for vertical or horizontal. Keep in mind, this one is not self leveling. For that p... Good product, for vertical or horizontal. Keep in mind, this one is not self leveling. For that purpose you need PL-S20, which is only for horizontal surfaces.
Date published: 2016-11-10
Rated 4 out of 5 by from Easy to use this BEIGE sealant This sealant was easy to use as long as you read the directions and punctured the seal on the tube before using it. I actually liked the beige color because it blended in nicely with my walkway. It is VERY sticky and doesn't self-tool, but that wasn't a problem, I just wore gloves (as per instructions) and ran my finger along the seams to smooth them out, and they look great! I ALMOST wish I had more cracks in the walkway to use more of this stuff, almost.......
Date published: 2013-11-13
Rated 4 out of 5 by from Good Sealant on exterior surfaces applied to vertical and horizontal cracks on external chimney. sealed very well. Applied to cracks on driveway. Sealed very well. I was so impressed with product that I used it as an above the water line adhesive sealant caulk agent to beneath the stanchions plates and main sheet track my 25" sloop. Once dried extremely water resistant and remains flexible. during rough weather. Beige color match was excellent. material remains flexible. Good bonding to metal and gelcoat surface. Mineral sprits makes an Eeasy cleanup on gel coat and stainless steel.
Date published: 2014-11-16
Rated 4 out of 5 by from Good product but not gray color I just used the sealant today to repair a stem wall that is separating from my house that was not repaired well last year and is failing again. I stuffed the cracks with pieces of foam pipe insulation, then caulked. It did not drip or run so that was great. But the color is very light, beige-like. After several hours I went out and touched a surface and it was still wet. So I expect it to take at least a week to cure. (Package says cannot be painted until 7 days. I will wait 14.) I used a tongue depressor to smooth the joints and that worked well. I just hope it dries to a darker color even though I plan to paint it. It had a nice stickiness and applied easily. Make sure you puncture the tube after cutting the tip. It was not hard to push out of the tube.
Date published: 2013-10-05
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