Category Archives: Waterproofing

Jul23

Alumasc’s BluRoof – frequently asked questions

Posted by Ashlea Williamson

Q1. Can we purchase an Alumasc Blue Roof outlet without the waterproofing? Alumasc has developed the BluRoof system that benefits from the combined expertise associated with Harmer Engineered Drainage Systems and Alumasc Roofing Systems. The result is that Alumasc is … More >>

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Q1. What is the fire rating of Alumasc Extruded Polystyrene? Fire performance is declared Euroclass E under EN 13501-1. A flame retardant additive is also present that makes it capable to resist, for a short period of time, a small … More >>

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Q1. Can Hydrotech 6125 Monolithic Membrane be installed to Plywood? There are no issues with the installation onto a Plywood substrate. As part of the preparation works it will be necessary to tape substrate joints with approx. 100 to 150mm … More >>

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Q1. Can Alumasc provide written confirmation that concrete tolerance and deflections noted within structural engineers report are suitable? The acceptability of the level of deflection of a concrete deck is a matter for the client, the main contractor and the … More >>

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With recent events in the UK highlighting the requirement for compliance with up to date and relevant fire test standards, Alumasc Roofing Systems have conducted further fire tests on the market leading Derbigum high performance bituminous membrane warm roof system. … More >>

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The RIBA National Awards are given to buildings across the UK recognised as significant contributions to architecture – Alumasc’s Hydrotech high performance structural waterproofing was used on four winning buildings – Kings Cross Triplets, Riverlight, the Leadenhall (Cheesegrater) building, and … More >>

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Hot Melt,
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One of the most common causes of green roofs underperforming is insufficient application of irrigation immediately after the plants have been installed. With the UK’s variable weather conditions we can experience long periods of unseasonably dry weather when normal levels … More >>

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Green Roofs,
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Jul2

Irrigation of Intensive Green Roof Systems

Posted by david.luukas

The total absence of or the provision of inadequate irrigation systems is one of the commonest reasons for planting failures on green roofs, or within planters. Here we take a quick look at some of the pressures and solutions for … More >>

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Jun11

30-year old plus flat roofs still going strong

Posted by david.luukas

Alumasc Roofing Systems’ Derbigum bituminous membranes provide over 40 years durability and last year gained updated BBA certification confirming this. However, prior to the updated certification being published over 700 million m2 of Derbigum products have been installed worldwide since … More >>

A new version of The London Plan has recently been published. Here, Henry Bareham – Director of New Build for Alumasc Roofing Systems – outlines how Alumasc’s roofing solutions provide designers with the tools to comply with key requirements of … More >>

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