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.
This month, we're celebrating the 3-year anniversary of our Weird Stain Wednesday contest. How many guesses do you think we've tallied up over 3 years? We'll reveal the answer and more stats next week, so you have all week to get your guesses in. The winner will receive our popular weird stain prize.
Have YOU got any weird stains? Please DM them to us so we can keep the fun going!
#WeirdStainWednesday #WINSday #WeirdStainWINSday #WeCanCleanThat #HardSurfaceCare #DirtyMasonry #Restoration #Masonry #Architecture #Architect #Construction #Builder #GeneralContractor #ContractorsOfInsta #Build #Prosoco #ProsocoProject #AskProsoco #WeirdMasonryStain
This photo shows two test panels to remove this dark colored stain from buff brick. We know the product that did the trick to remove this week’s #WeirdStain – what do you think the stain is? Give us your best guess for a chance to win this week’s prize.
#WeirdStainWednesday #WINSday #WeirdStainWINSday #WeCanCleanThat #HardSurfaceCare #DirtyMasonry #Restoration #Masonry #Architecture #Architect #Construction #Builder #GeneralContractor #ContractorsOfInsta #Build #Prosoco #ProsocoProject #AskProsoco #WeirdMasonryStain #WeirdStain
This week’s #WeirdStain comes to you from our archives. Think you know what it is? Give us your first, best guess in the comments for a chance to win this week’s prize.
#WeirdStainWednesday #WINSday #WeirdStainWINSday #WeCanCleanThat #HardSurfaceCare #DirtyMasonry #Restoration #Masonry #Architecture #Architect #Construction #Builder #GeneralContractor #ContractorsOfInsta #Build #Prosoco #ProsocoProject #AskProsoco #WeirdMasonryStain #WeirdStain
We are excited to feature another #WeirdStain submitted by one of our followers! This one is from veteran weird stain winner Paul Williams of Armor Plate Finishes in Atlanta. Any guesses what this one could be? Give us your best guess for a chance to win this week’s prize.
#WeirdStainWednesday #WINSday #WeirdStainWINSday #WeCanCleanThat #HardSurfaceCare #DirtyMasonry #Restoration #Masonry #Architecture #Architect #Construction #Builder #GeneralContractor #ContractorsOfInsta #Build #Prosoco #ProsocoProject #AskProsoco #WeirdMasonryStain #WeirdStains
Lots of interesting patterns and colors on this week’s #WeirdStain, which a PROSOCO staff member spotted during a walk in a residential neighborhood of our hometown of Lawrence, Kansas. Think you know what it might be? Give us your best shot in the comment for a chance to win our weekly prize.
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#WeirdStainWednesday #WINSday #WeirdStainWINSday #WeCanCleanThat #HardSurfaceCare #DirtyMasonry #Restoration #Masonry #Architecture #Architect #Construction #Builder #GeneralContractor #ContractorsOfInsta #Build #Prosoco #ProsocoProject #AskProsoco #WeirdMasonryStain #WeirdStain
Another day, another brick wall with a white stain on it! White stains typically mean salts, but not all salts are the same. Which type is this week’s #WeirdStain ? Enter your guess for a chance at winning this week’s prize. Good luck.
#WeirdStainWednesday #WINSday #WeirdStainWINSday #WeCanCleanThat #HardSurfaceCare #DirtyMasonry #Restoration #Masonry #Architecture #Architect #Construction #Builder #GeneralContractor #ContractorsOfInsta #Build #Prosoco #ProsocoProject #AskProsoco #WeirdMasonryStain #WeirdStain
This week’s #WeirdStain comes from a PROSOCO staff member who recently spotted this grime on a multi-substrate building in the Kansas City area. Any idea what it is and what caused it? Give it a shot! We’ve got new prizes, we think you’ll like ‘em.
#WeirdStainWednesday #WINSday #WeirdStainWINSday #WeCanCleanThat #HardSurfaceCare #DirtyMasonry #Restoration #Masonry #Architecture #Architect #Construction #Builder #GeneralContractor #ContractorsOfInsta #Build #Prosoco #ProsocoProject #AskProsoco #WeirdMasonryStain #WeirdStain
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
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.