St Mary’s Fabric and Roof Upgrade

Description of project

IRS Scotland Ltd were appointed as Principal Contractors under the CDM Construction Design Management Regulations 2015 to deliver the St Mary’s Fabric and Roof Upgrade on behalf of Dundee City Council and funding partner SSE. The project consisted of the installation of a new Structherm Structural insulated render system to 89 properties, this was broken down into 7 number 3 story tenement flats, which accounted for 43 properties with the remaining 46 being end terrace properties.

All the 3 storey properties also had an entire new roofing system fitted utilising the Russell Grampian tile totalling circa 2000m2 of new roof coverings including the removal and disposal of redundant chimney stacks. The render element consisted of 7600m2 of spray applied render allowing us to demonstrate our experience with the G5 render pump technology before applying the final silicon topcoat by hand.

Each property also received new soil, waste and rain water pipes utilising the Marley deep flow range. Finally, all facias and soffits were replaced with new 19mm Upvc giving the properties a new lease of life while securing a warm comfortable and affordable environment for their residents.

Key Features

condensation risk analysis U-value calculation
Building warrant preparation pull out tests
Scaffolding to all properties Installation of new Marley rainwater & waste goods
 Fabric concrete repairs Substrate treatments
system starter track Installation of structural panels to dedicated fixing pattern
Installation of fire stopping Mechanical jointing of in-situ panels
Installation of corner sections and jointing steel mesh Spray applied polymer base coat to 26mm
 Spray application of Float coat Application of Primer coat
Application of silicon final coat Re- installation of all services
Sill extensions Eaves extensions
New energy performance certificate Management of stringent QA process & Preparation of client handover packs.


Client: Dundee City Council
Value: £1.2M
Start Date: Jan 2018
Completion: June 2018
Duration: 24 weeks

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