Sundolitt supports Edinburgh development

An artist’s impression of the new development (centre of picture with green coloured roof)
An artist’s impression of the new development (centre of picture with green coloured roof)

Sundolitt XPS 300 (extruded polystyrene) has been used to form the core of a waterproof, load-bearing, high insulation roof system at the £75m South St Andrew Square development in the heart of Edinburgh’s historic ‘New Town’ area.

Following the demolition of the former B-listed building on the site, the 190,000ft² mixed office, retail and residential scheme – expected to be completed by the end of this year – features a bold collaborative design from CDA and Gareth Hoskins Architects which won the backing of the City of Edinburgh planners for its “high-quality contemporary architectural expression.”

According to Bryan Mawer, sales manager for Sundolitt XPS, the cost-effective material is designed for inverted roofing applications alongside its established use in flooring where its load-bearing and high thermal performance are critical.

He commented: “We are proud to play a part in this exceptional architectural statement in a prestigious location in Edinburgh. XPS ticks all the boxes for this kind of roofing installation – it’s a lightweight product, yet provides a high strength solution which is very easily transported to site where it can be used as a site-ready, weather resistant insulant.”

Sundolitt XPS is manufactured in a wide range of thicknesses and sheet sizes, the primary range having a thermal conductivity of 0.033 – 0.037 W/mK (EN 13164).

According to the type of use, it achieves a compression resistance from 200 – 700 kPa (EN826) and offers exceptionally low moisture absorption through its closed-pore system – making it an ideal thermal insulator for a wide range of commercial and domestic construction applications.

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