Ashton Pioneer Homes - Lancastria Waterproofing

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Case Study - Ashton Pioneer Homes

System 20 MR Charcoal

Background
Ashton Pioneer Homes had a refurbishment programme for Grosvenor House and Rycroft House, Ashton-under-Lyne, circa 450m² each. This was for a full upgrade to the exterior of the building including the roof. The flat roofs on the building had aged and were starting to show signs of water ingress, they also had accumulated a lot of redundant plant and roof penetrations that needed removing.

Contractor
Clark & Son Structural Waterproofing Ltd

Client
Ashton Pioneer Homes

The challenge

There were various challenges to this project which included the following;
• to carry out re-roofing with a 15 year insurance backed warranty whilst the buildings were still tenanted with least disturbance and noise to the occupants,
• to work round the existing radio transmitter dishes and cables situated on the roof,
• to remove all the superfluous details such as redundant vent chimneys and pipe work. With the buildings still being tenanted the client preferred option was for an overlay system that would make use of the existing insulation and lead to the least disturbance.

Project solution

System 20 MR Charcoal; the solution put forward was to use the System 20MR, a specialist bituminous membrane that is designed specifically as a single layer product to go over existing mineral. The first layer of bitumen on the System 20MR is an easy flow PAO material that is designed to knit into the existing mineral and grant excellent adhesion. This meant that the roofing works could be carried out to meet all the clients’ requirements whilst remaining cost effective.