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With core samples finding moisture in its asphalt gutter, the first of five blocks on this estate needed the gutter stripped to the deck and rebuilt with insulation — ahead of new tiles going onto the roof above.
Project Overview
Hales House is the first of five residential blocks on the Barham Park Estate to be completed in a programme of roof works, with four more to follow. Core samples taken from the gutter found moisture within the existing build up, so the asphalt was stripped back to the concrete deck. Proteus Waterproofing specified Proteus Pro-Cold® with Proteus Pro-Therm insulation for the new gutter.
Key Challenges
Insulating a gutter that had none
The block previously had no insulation over the gutter. Proteus Pro-Therm was introduced to bring the gutter in line with Part L of the Building Regulations and to reduce the risk of condensation, with the new build up formed from the concrete deck and finished in Proteus Pro-Cold®.
Sequencing the gutter ahead of the tiles
The gutter had to be installed before the new tiles went onto the roof, so that the tiles could be adjusted to suit the new insulation heights. With the remaining blocks to follow, the gutter works had to keep pace with the re-roofing programme.
Conclusion
With Hales House complete, the remaining blocks will follow. On those, core samples taken by the contractor have shown no moisture ingress, so the existing asphalt can remain in place and receive the new system directly. Once cured, Proteus Pro-Cold® forms a seamless, fully adhered, elastomeric membrane with UV stability, suitable for both new build and refurbishment applications. The membrane is manufactured in the UK and is BBA certified — supporting the issue of a guarantee to protect the gutters for the future.
