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Summary
Rymill Property Developments were approached by the owner of an old vineyard in Hampshire, in order to redevelop the site, with Newton providing advice for waterproofing retaining basements on a sloping site for three brand new, modern properties in line with BS 8102:2022.
The Project
As well as building an immaculate four-bedroom, four-bathroom Georgian house for the client, Rymill also took on the task of creating 3 brand new, modern properties, all with basements built into the existing sloping site.
The large, partially retained basement areas would all house a stairwell, plant room, storage room, cinema room, zen room, two ensuite double bedrooms and a garden room, and so required a completely dry internal environment.
The Solution
In order to effectively deliver a series of completely dry basements, a combination of Type A and Type C waterproofing systems were required.
After first applying a tack coat of HydroCoat 908-LB to assist with bonding, Rymill installed HydroCoat 103 2K as a high performance, cementitious Type A barrier membrane to the internal surface of the earth retaining walls.
HydroCoat 203-RM was also used as a smoothing fillet at the new wall-floor junction, and CDM 906 Lime Inhibitor was applied to the new concrete slab to prevent the ‘leaching’ of free lime prior to installing the Type C system.
Lastly, Rymill installed the comprehensive CDM System - the failsafe solution. The maintainable system included the CDM 508 and CDM 520 eco membranes, as well as Newton’s specialist insulation CDM Fibran XPS 500-C, and CDM BaseDrain to ensure that the system is maintainable in the future.
The Result
The installation of all Newton products by Rymill went smoothly from start to finish, successfully delivering three completely dry basements that were suitable for their intended use, as per British Standard 8102:2022. As a result of the high quality and successful build, all three properties were sold at above the asking price as soon as they went onto the market.
"Newton were brilliant, from helping us with product-specific training to working with the project architect on the waterproofing design. It was also overseen by Test Valley Borough Council and LABC Building Warranties, both of whom were happy with the waterproofing. As a result, the installation went seamlessly in each property, despite the challenging site, and we are very proud to have delivered The Vinery to its new owners." Ian Rymill - Company Director, Rymill Property Developments
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