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      Performance Comparison of Surface Waterproofing Products with Various Chemical Compositions on Brick Masonry

      1 , 1 , 1

      1st International Conference on Moisture in Buildings 2021 (ICMB21)

      28-29 June 2021

      waterproofing, water repellence, surface treatment, brick masonry, water vapour transmission, hydrophobicity, absorption

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          Abstract

          Moisture risk in building systems is one of the major concerns affecting the durability of building envelopes and indoor comfort. Surface waterproofing products are a common and simple methods to enhance the moisture performance of masonry buildings. However, the various chemical compositions of these products can lead to very different performance under exposure. This paper focus on the comparison and discussion of the different level of impact of surface waterproofing products with various chemical compositions on the performance of brick masonry substrate through a series of benchtests on small scale specimens to test water vapour transmission, hydrophobicity and liquid water absorption. Four different types of waterproofing products were selected, along with 3 brick types common in the 50s and 60s to be representative of the majority of the UK building stock. Results show that the combined outcome of the three tests is sufficient to identify the clearly the effectiveness of the products in improving waterproofing while ensuring vapour transmission. It also shows that it is essential to use specimens reproducing the masonry fabric rather than samples of the individual materials.

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          Author and article information

          Conference
          14 May 2021
          Affiliations
          [1 ] UCL CEGE
          Article
          10.14293/ICMB210073
          The Author(s)

          Published under Creative Commons Attribution 4.0 International ( CC BY 4.0). Users are allowed to share (copy and redistribute the material in any medium or format) and adapt (remix, transform, and build upon the material for any purpose, even commercially), as long as the authors and the publisher are explicitly identified and properly acknowledged as the original source.

          1st International Conference on Moisture in Buildings 2021
          ICMB21
          Online
          28-29 June 2021
          Product
          Product Information: ScienceOpen

          The datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request.

          Engineering

          waterproofing, water repellence, surface treatment, absorption, brick masonry, water vapour transmission, hydrophobicity

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