Calcium silicate brickwork
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If calcium silicate brickwork is saturated for a long period of time, light brown or buff stains appear, particularly in lighter coloured bricks. The stains are less noticeable when the brickwork dries out and gradually weather away over time. Mortar snots or marks can sometimes be removed with very careful mechanical...Explore the subscription options here to get full access to isurv, including downloads.
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