

Remmers Clean AC (formerly Clinker Cleaner AC) can be used for all kinds of fair-faced masonry work, interior and exterior, especially clinker, hard-burned brick, one-quarter brick and facing masonry work.
Remmers Clean AC (formerly Clinker Cleaner AC) can be used for all kinds of fair-faced masonry work, interior and exterior, especially clinker, hard-burned brick, one-quarter brick and facing masonry work. Also removes boiler scale! It is not suitable for sand-lime facing brick.
Remmers Clean AC contains an acid that removes lime and cement laitance, efflorescence and calcareous sinter and also dissolves the remains of mortar, lime and scale. While acting, Clean AC forms easily soluble compounds that can be rinsed off with water.
Customer agrees that before placing an Order, Customer has read and understood the most up to date Product Data Sheet for the Product. Where we have access to the Product Data Sheet from the manufacturer, we will either provide a copy on request, or include a link to the Product Data Sheet available on the manufacturer’s website. Customer further agrees that we have no liability for any errors or omissions contained within the Product Data Sheets. For more information, please see our Terms & Conditions of Sale.
![]() | Question:
Will this remove black mastic residue from hard stone where it has absorbed into the surface ? |
Answer from Rawlins’ Technical Team:
No, Remmers Clean AC would not be effective in this instance. We would recommend contacting the manufacturer of the mastic (assuming you know this) and seeking their advice on removal. | |
Remmers Clean AC (Clinker Cleaner AC) is only available with the shipping and delivery timescales listed below - please do not contact our Customer Support Team with enquiries about alternative or earlier shipping and delivery times.
Saturdays and Sundays, as well as Bank Holidays, are not classed as working days.
Orders placed after the cut-off for this product will not be processed for earliest dispatch until 9am the next working day.
All delivery costs below are excluding VAT