Ratings & Reviews for Sashco Mor-Flexx 10.5-oz Exterior and Specialty Gray Paintable Latex Caulk
Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise this mortar caulk for seamlessly blending with existing mortar and stucco, often appearing indistinguishable after drying. Reviewers consistently highlight its ease of application, smooth texture, and water-based cleanup. Many report it holds up well under weather exposure without cracking, remaining flexible over time. A few mention difficulty extruding from the tube or slight color variations on older mortar, but the vast majority consider it a reliable, long-lasting repair solution for both DIYers and professionals.
Customer review summary generated by AI, including incentivized reviews.This is a great caulk looks just like cement
Would RecommendVerified Purchaser
Blends & Seals Well
Would RecommendMor-Flexx blended with my stucco so well, you cannot see where the crack was. It was easy to apply and sealed the wall from rain water entry. It worked better than any caulk I have used.
Verified Purchaser
Like it, but be prepared to wait a week.
Would RecommendWorks well, cure time is very long as stated on tube!
Verified Purchaser
Find something else
Would Not RecommendHard as a rock, wouldn't come out of tube
Verified Purchaser
Joint Brick Sealer
Would RecommendI had a split in the joints of my brick veneer. My architect son in law said ro get a flexible joint compound to seal it. I went to Lowe’s and this product is what they recommended. I applied one tube on the entire crease and so far it is holding up well.
Verified Purchaser
Best synthetic stucco patch
Would RecommendAlthough a bit expensive, it was the best and most convenient stucco patch to repair hairline and small chips in stucco before painting.
Verified Purchaser
great product
Would Recommendproduct applied great looked like regular mortor hope it holds up.
Verified Purchaser
It’s not grey
Would Not RecommendThe product works well. I used glass cleaner on my fingers as recommended and it was easy to tool. It filled and covered well and the texture is good for motar repairs. The only issue and it’s a big one for this type of repair is the color. It’s more tan than grey and is not a good match for typical brick motar. I would not use it again as the repair area stands out.