Check Mate 2

Check Mate 2

five star

Log Check Sealant

Check Mate 2 is an outstanding water resistant sealant that prevents water and air infiltration through pronounced cracks (called checks) in logs, timbers and wood siding. Caulking is an obvious solution to this problem, but caulking does not work because of limits in adhesion and weatherability.

As a check filler, Check Mate 2 forms a tough elastic filler and coating. It has superb color stability and resists ultraviolet rays, ozone, mold, mildew and airborne contaminates. Even the most troublesome leaks can be sealed with Check Mate 2.

It is especially important to seal upward facing checks in any location where they may accumulate water. If these checks are left unsealed, they become sites where rot may begin to take hold. If you have old checks where rot is a risk, be sure to apply Shell-Guard before sealing with Check Mate 2.

Made in U.S.A. Made in U.S.A.

Check Mate Colors

Sizes & Prices

Order Online


11oz Tube 11oz Case of 12 Check Kit with Backer
$21.74 $164.38 $39.12
checkmate11oz200x200 checkmate11ozcase200x200 checkmate
Color Card    


CM2 CARD2 pcs    


Shelf Life

  • 1 Year

Application Temperature

  • 40° to 90°

Application Methods

  • Caulking Gun

Surface Preparation

  • Clean and dry
  • Backing material
  • Free of mold and mildew


  • As needed
Special Instructions
  • Apply to approximately 3/8" thickness
  • Avoid application in direct sunlight
Drying Time
  • Dries to the touch in 1 hour
  • Cures in 2-3 days


Coverage Rate

  • 1/4" Bead - 32 linear feet / 11oz tube
  • 3/8" Bead - 14 linear feet / 11oz tube
  • 1/2" Bead - 8 linear feet / 11oz tube


Click here to submit your Review of this product

five star Darleene on 04/11/2019 - "[We used] this to seal and fill splits in the logs and we used 10 gal of Lifeline Advance to seal all the logs. House looks great. This hadn’t been done for a few years. We don’t have before and after pictures. But the house logs are filled and they shine. Thanks to Aaron from Washington. He helped with what we needed and sent samples. We couldn’t be happier. Thank you!"

five star Jeff on 03/30/2019 - "Great product, highly recommended. Bonds well with Perma-Chink Systems stain and sealer products."

five star Janice on 02/16/2019 - "Check Mate 2 is great and your employees are very helpful on making a decision as to what color to pick. We have never owned a log home before so we had lots of questions and all it took was calling your company to get help on decisions."

five star Jon on 11/07/2018 - "Very good product still working after 10 years."

four half star Donna G. on 11/03/2018 - "I have been using this product all summer for log maintenance on our home. It has been easy to apply, clean up and use. You can now barely see where the checks were in our logs and the air sealing has now helped with heating."

five star Jon on 09/04/2018 - "Excellent customer service from Gabe in Redmond, Washington State. Shipping company screwed up and sent my stuff on a truck far away. Three days before rented equipment showed up and my time frame to start work, I called Gabe and he sent me a fresh shipment next day so I could make my schedule!! That was refreshing to see that kind of customer service. And the products are awesome and the home looks great!!!! This house hadn't received the maintenance it should have for a long time, it amazed everyone that looked at it as I did the job of cleaning it up using ReNew, then ShellGuard RTU, and Check Mate 2. The house looks like it's new."

five star Larry on 08/10/2018 - "As a contractor, I worked with many of the colors you have in your Check Mate palette and I don't like most of them. On many occasions I use just Clear and recommend clear to my customers."

five star Jenny on 05/19/2018 - "I ordered Check Mate 2 in medium brown, despite all reviews I read recommend clear. I like the color and filled checks blend nicely with the color of the logs, you can hardly tell there was a gap."

five star Annette on 11/11/2016 - "I found this product while looking on your website and realized I needed to fill in some of the larger cracks in my logs. This product was easy to use along with the backer rod that we also purchased. Dark Brown is the color we used. We love your products!"

five star Roz on 11/3/2016 - "Very good product! We used it to seal up several small checks in our logs and boards. I would recommend the clear colored Check Mate because it will go with any stain color. We watched the video on the website about Check Mate 2 application, so I would recommend seeing that if you have a chance."

four star Lauren on 9/15/2016 - "I think this is a great caulking product! We ordered the Check Mate 2 kit in Medium Brown and used it to fill in a few large checks on my log home. It also works well to seal gaps and cracks in other places around our home. The only thing I would note is that you may want to purchase Clear or make sure the color is close to the stain color because it does not really take much stain over it. Love this product otherwise!"

five star BJ on 3/25/2016 - "We used Check Mate 2 to seal our checks about a year ago and it's performing perfectly. Our checks are all still sealed tight. It looks like it's going to pass the test of time! The video on the website really helped with application."

four half star L Bloom in CO (07/15/14) - "We just love Check-mate 2. This is the product recommended to us by the folks at Perma-Chink in Rifle for the cracks in our logs. We chose the clear and it just perfectly sealed the crack and blended into the wall. You can't see the caulking, but the crack is sealed and the wall is beautiful. Thanks for the great advice!"

two star T Illingworth (05/25/2014) - "I wish you had more color choices of Check Mate 2… "

two star J Friesenhengst (07/02/2013) - "Thank you for recommending the Check Mate 2. It is holding up great with the movement of the checks. I just wish the colors would match your stains better like the Energy Seal does. Check Mate 2 takes a stain but not like the Energy Seal."

three star R Blacksten (04/14/2011) - "Thank you for all your help. I realize after the Web-training that I was using the wrong product in my checks. The Check Mate 2 is preforming much better than the Energy Seal I just wish you had better colors."

Click here to submit your Review of this product


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