4 August, 2017

Are African construction methods of Roof Construction failing the building owners? What is the real thermal performance of your insulated roof?

Insulated roof construction using straining wire and compressing the flexible bulk density faced insulation between the roof sheet and the purlin is pretty much as standard as it gets in Africa, as far as constructing insulated roofs is concerned …… and yet do they REALLY achieve the required R-Value? What is glass wool insulation? Glass wool is made from sand […]
31 July, 2017

The True Cost of Waterproofing!

MRC Group is an independent installer / applicator of waterproofing systems and as such we have access to a vast range of waterproofing systems from all parts of the globe. The aim of this article is to provide technical and commercial information to enable specifiers to make more informed decisions regarding the all important waterproofing system that they are looking […]
31 July, 2017

How compliant are your smoke ventilators in your building? ……. Will they operate the way they were intended to, when you need them most?

MRC Group, as a refurbishment specialist in Southern Africa, are asked nearly every time we go and inspect an existing roof, as to whether the smoke ventilators are in good working order, and will they do the what they are intended to do? The first question that has to be asked is, what was the intention of the smoke ventilation […]
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