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.works
seals cracks
Verified Purchaser
Good sealant around the doors
Would RecommendGood product
Verified Purchaser
Lowe’s rock’s
Would RecommendEasy check out
Verified Purchaser
Sealant
Would RecommendUsed this for my chinmey that had some pretty big holes in it. Easy to use and went on nicely
Verified Purchaser
Mor-Flex is Flextastic.
Works completely as promised. Easy to apply and work to match existing texture. Super impressed.
Verified Purchaser
Two Thumbs Up!
Would RecommendThis was my first time to try Mor-Flexx. I had some crumbling mortar between the cinder blocks of the front porch that I wanted to patch without doing major reconstruction. This product made the job quick & easy. I broke away the old mortar then swept it hard with a stiff-bristle brush. I snipped the tip of this mortar repair and squeezed it into the necessary spots. Last I used a putty knife to give the application a smooth finish. As it cured, the new material dries in a slightly concave way, ...
Verified Purchaser
Works great
Would RecommendEasy to use
Verified Purchaser
Great product
Would RecommendIt did the job with excellence.
Verified Purchaser
Painting about
Would RecommendQuick and easy application
Verified Purchaser
Great Product
Would RecommendWhite painted Brick. Covered 1/8 to 1/2 gaps in mortar well. Super texture perfectly matched mortar. Held paint well. Flowed really well. Just the right consistency to flow but not run. So far no shrinkage overnight. Highly recommended product.
Dried out in tube. Eould not dispense.
Would Not RecommendEasy to apply
Sealed nicely for a professional finish.
Verified Purchaser
Easy to use, durable & matches the original mortar
Would RecommendThis mortar repair caulk was a perfect color match to the original mortar between the stones on our house and fireplace. It’s really easy to use for both narrow little cracks as well as wide gaps. Both color and texture look like the original mortar. I first used a tube of it about 6 years ago for cracks caused by settling foundation and those repairs have held up perfectly. It’s a little pricier than some other brands of similar product but it works so well I didn’t want to chance the less expe...
Verified Purchaser
Good Masonry Crack Repair for chimney
Would RecommendApplied on our chimney cracks. It is strong after application. The Sandy texture disappears into stucco and mortar joints. Be noted that it is a little bit whitish compared to our original mortar.
Verified Purchaser
Good stuff
Would RecommendGood stuff
Verified Purchaser
Expect to return several of these before finding o
Solidified in the tube. Unusable.
Verified Purchaser