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.
Weird stains have been going for 2 years straight with no vacation! For June and July, our Weird Stain Wednesday contest is taking a summer break. Please submit your own weird stains to help us relaunch this fun weekly game in August. Find the form in our link in bio, or DM us!
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#WeirdStainWednesday #WINSday #WeirdStainWINSday #WeCanCleanThat #HardSurfaceCare #DirtyMasonry #Restoration #Masonry #Architecture #Architect #Construction #Builder #GeneralContractor #ContractorsOfInsta #Build #Prosoco #ProsocoProject #AskProsoco #WeirdMasonryStain
Weird stains have been going for 2 years straight with no vacation! For June and July, our Weird Stain Wednesday contest is taking a summer break. Please submit your own weird stains to help us relaunch this fun weekly game in August. Find the form in our link in bio, or DM us! .
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#WeirdStainWednesday #WINSday #WeirdStainWINSday #WeCanCleanThat #HardSurfaceCare #DirtyMasonry #Restoration #Masonry #Architecture #Architect #Construction #Builder #GeneralContractor #ContractorsOfInsta #Build #Prosoco #ProsocoProject #AskProsoco #WeirdMasonryStain
Weird stains have been going for 2 years straight with no vacation! For June and July, our Weird Stain Wednesday contest is taking a summer break. Please submit your own weird stains to help us relaunch this fun weekly game in August. Find the form in our link in bio, or DM us! .
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#WeirdStainWednesday #WINSday #WeirdStainWINSday #WeCanCleanThat #HardSurfaceCare #DirtyMasonry #Restoration #Masonry #Architecture #Architect #Construction #Builder #GeneralContractor #ContractorsOfInsta #Build #Prosoco #ProsocoProject #AskProsoco #WeirdMasonryStain
Weird stains have been going for 2 years straight with no vacation! For June and July, our Weird Stain Wednesday contest is taking a summer break. Please submit your own weird stains to help us relaunch this fun weekly game in August. Find the form in our link in bio, or DM us! .
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#WeirdStainWednesday #WINSday #WeirdStainWINSday #WeCanCleanThat #HardSurfaceCare #DirtyMasonry #Restoration #Masonry #Architecture #Architect #Construction #Builder #GeneralContractor #ContractorsOfInsta #Build #Prosoco #ProsocoProject #AskProsoco #WeirdMasonryStain
Weird stains have been going for 2 years straight with no vacation! For June and July, our Weird Stain Wednesday contest is taking a summer break. Please submit your own weird stains to help us relaunch this fun weekly game in August. Find the form in our link in bio, or DM us! .
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#WeirdStainWednesday #WINSday #WeirdStainWINSday #WeCanCleanThat #HardSurfaceCare #DirtyMasonry #Restoration #Masonry #Architecture #Architect #Construction #Builder #GeneralContractor #ContractorsOfInsta #Build #Prosoco #ProsocoProject #AskProsoco #WeirdMasonryStain
This week's #WeirdStain appears to actually be flaking off of the substrate. Think you can name the problem? All correct guesses will be entered to win this week's 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
This week's #WeirdStain comes from Heidi Wylie, PROSOCO's CRM Administrator, who spotted this stain near her house in Florence, S.C. Think you know what it is? Submit your best guess in the comments! 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 #WeirdStain
This week's #WeirdStain was submitted by one of our followers on Facebook, who submitted this photo to figure out the stain, the cause and how to remove it. What could it be? Take your best guess for a chance to win this week's prize. .
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#WeirdStainWednesday #WeirdStainWINSday #WeCanCleanThat #HardSurfaceCare #DirtyMasonry #Restoration #Masonry #Architecture #Architect #Construction #Builder #GeneralContractor #ContractorsOfInsta #Build #Prosoco #ProsocoProject #AskProsoco #WeirdMasonryStain