RA&Sons Logo
PRODUCT

Rastrengthener

Rastrengthener

Category: 

RASTRENGTHENER is a premium eco friendly VOC-free stone sealer ideally suited to masonry, stone and traditional lime based plasters. RASTRENGTHENER’S unique formula means it actually strengthens as time passes and its high resistance to alkalis make it perfect to control the absorption of humidity in walls and ceilings, it can be used as a finishing and protective coating both internally and externally. RASTRENGTHENER is available in 1L, 5L and 25L plastic containers.

Technical Data

The data and statements in this information sheet refer to laboratory tests in our possession, conducted in standard environmental conditions. Practical applications on site according to these conditions of use may result in different data readings. Due to the wide variety of possible uses and applications, the end-users should independently determine the suitability of the material for their specific purpose prior to use. R.A. & SONS Manufacturing Ltd. reserves the right to make technical modifications of any kind without prior notice.

Other Products

RA&Sons Logo

Subscribe

Sign up for our Newsletter
© Copyright RA & Sons Ltd 2026