FAQs, top-selling products and more.
The #1 choice for masonry cleaners and hard surface care products for thousands of contractors, architects and engineers nationwide since 1939.
Top Selling Products
BROWSE PRODUCTS
Masonry Cleaning
Sure Klean is #1 choice for masonry cleaning since 1956.
Water Repellents
Prolong the life of your hard surfaces by repelling water, salt, oil and stains.
Graffiti Removal
Erase graffiti and protect surfaces from future graffiti attacks.
Paint Removers
Remove paint and other coatings.
Consolidation
Strengthen and stabilize deteriorated masonry.
High Performance Coatings
Breathable coatings stop water and let vapor escape.
Colleen Peters, Product Support Specialist
36 years of experience
HARD SURFACE CARE
Where to buy and product support
Frequently Asked Questions
STAIN IDENTIFICATION SUPPORT
Send us a pic of your #weirdmasonrystain or tag us on Instagram for help.
Another fast-food restaurant supplied this week’s #WeirdStain. This painted substrate is featuring these dark-colored streaks. What’s going on? Give us your best shot for a chance to win. Good luck, weird stain sleuths.
#WeirdStainWednesday #WINSday #WeirdStainWINSday #WeCanCleanThat #HardSurfaceCare #DirtyMasonry #Restoration #Masonry #Architecture #Architect #Construction #Builder #GeneralContractor #ContractorsOfInsta #Build #Prosoco #ProsocoProject #AskProsoco #WeirdMasonryStain #WeirdStains
You want fries with that? This week's #WeirdStain was spotted in the drive-thru of a popular fast-food restaurant. We see whitish stains like this one frequently, but identifying it correctly can be tricky. Think you can name it? Give us your best shot in the comments for a chance to win our weekly prize. Good luck!
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#WeirdStainWednesday #WINSday #WeirdStainWINSday #WeCanCleanThat #HardSurfaceCare #DirtyMasonry #Restoration #Masonry #Architecture #Architect #Construction #Builder #GeneralContractor #ContractorsOfInsta #Build #Prosoco #ProsocoProject #AskProsoco #WeirdMasonryStain #WeirdStains
We’re thrilled to feature another #WeirdStain submitted by one of followers! Thank you to @johnbergmanllc , who recently cleaned this stain appearing on a brick wall in Salt Lake City. Do you have the weird stain know-how to name this stain? Try us with your best guess in the comments! All correct guesses will be entered to win a fun prize.
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#WeirdStainWednesday #WINSday #WeirdStainWINSday #WeCanCleanThat #HardSurfaceCare #DirtyMasonry #Restoration #Masonry #Architecture #Architect #Construction #Builder #GeneralContractor #ContractorsOfInsta #Build #Prosoco #ProsocoProject #AskProsoco #WeirdMasonryStain
This oddly patterned #WeirdStain was spotted by a staff member on a recent trip to downtown Wellington, Kan. Think you can name it? Submit your best guess for a chance to win.
#WeirdStainWednesday #WINSday #WeirdStainWINSday #WeCanCleanThat #HardSurfaceCare #DirtyMasonry #Restoration #Masonry #Architecture #Architect #Construction #Builder #GeneralContractor #ContractorsOfInsta #Build #Prosoco #ProsocoProject #AskProsoco #WeirdMasonryStain #WeirdStain
This week’s #WeirdStain was spotted on the north side of the historic Douglas County Courthouse in Lawrence, Kan. What’s happening here? Give us your best guesses for a chance to win our weekly prize.
#WeirdStainWednesday #WINSday #WeirdStainWINSday #WeCanCleanThat #HardSurfaceCare #DirtyMasonry #Restoration #Masonry #Architecture #Architect #Construction #Builder #GeneralContractor #ContractorsOfInsta #Build #Prosoco #ProsocoProject #AskProsoco #WeirdMasonryStain #WeirdStain
Two different types of brick, and two different types of #WeirdStains are ready for your guesses this week. Can you name both of them? Give us your best guesses for a chance to win. Good luck!
#WeirdStainWednesday #WINSday #WeirdStainWINSday #WeCanCleanThat #HardSurfaceCare #DirtyMasonry #Restoration #Masonry #Architecture #Architect #Construction #Builder #GeneralContractor #ContractorsOfInsta #Build #Prosoco #ProsocoProject #AskProsoco #WeirdMasonryStain #WeirdStain
We’re excited to be featuring a photo submitted by Instagram user @techoryanravs, spotted on a concrete post in a parking lot. What do you think this one is? (No peeking – honor system engaged!) Give us your best guess for a chance at winning one of our awesome new prizes.
#WeirdStainWednesday #WINSday #WeirdStainWINSday #WeCanCleanThat #HardSurfaceCare #DirtyMasonry #Restoration #Masonry #Architecture #Architect #Construction #Builder #GeneralContractor #ContractorsOfInsta #Build #Prosoco #ProsocoProject #AskProsoco #WeirdMasonryStain #WeirdStain
Our last #WeirdStain of the month was also found in historic Downtown Lawrence (Kan.). We're looking for an answer describing the area pictured to the right of the downspout on the brick. Submit your best guess for a chance at one of our new prizes!
#WeirdStainWednesday #WINSday #WeirdStainWINSday #WeCanCleanThat #HardSurfaceCare #DirtyMasonry #Restoration #Masonry #Architecture #Architect #Construction #Builder #GeneralContractor #ContractorsOfInsta #Build #Prosoco #ProsocoProject #AskProsoco #WeirdMasonryStain #WeirdStain
Here are the people who know how to take better care of masonry facades.
PAINT STRIPPING MADE EASY, EVEN IN SOCAL
It took nearly 30 tries before Bill Seidel found a suitable paint stripper for a six-story building in downtown LA.
CLEANING TERRA COTTA
M-A Building & Maintenance wanted a cleaner that was going to do the job but wasn’t going to harm windows.
RESTORING A DEFACED MONUMENT
Pat Sullivan saw the story on the evening news, he knew he could help.