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ABCD – Magply boards cover superfast steel framing system

ABCD – Magply boards cover superfast steel framing system

Appeared: ABCD

A cutting edge residential project in Essex is making use of Magply boards for both the internal lining and exterior cladding treatment to an innovative lightweight steel framing system, demonstrating the widely specified fire resistant product’s multiple attributes.

The four bedroom new-build and extensions to a neighbouring existing property are being carried out by SP&J Construction, in a joint venture with Uni-Frame and the ARG Group. The intention is to use the current project as a show-site for the rapid build MMC solution and the wide choice of finishes which will be available to future purchasers.

One of the founding directors of ARG, Peter Spendley, commented:

“This project – at Theydon Bois – shows what we can do using the light steel fabrication, while we have already purchased other land where we plan to build a number of residential and commercial properties. “Our Uni-Frame system is based on the Frame-CAD profiles and software which use 16mm gauge sections for the structural frame and other material as slim as 0.7 mm for the interior partitions. This makes the frame, including the roof, very light and quick to erect, while it also offers possible savings not just on prelims, but aspects such as the type of foundations required. The Magply boards were recommended by some colleagues who had used them on their own contracts and we have been very pleased with the performance as have our sub-contractors like the dry-liners and plasterers. Building Control is also impressed with the fact that Magply offers such good fire performance for areas like the stair cores. The boards are easy to cut – even using a standard craft knife – and fix.”

While in respect to this project, the UniFrame system includes diagonal ties which are tensioned on site, Magply is often used by timber frame manufacturers to take the racking loads for their buildings as well as to provide fire protection in close proximity to other properties.

Externally the Magply boards are being covered with vapour barrier and a 100 mm layer of high performance foam insulation. On top of this, at first floor level, a resin based render system is being applied, featuring a base coat, reinforcement mesh, and two more layers: including the finish coat which is available in some 3,000 different colour options. Around the ground floor of the house, brick slips are being applied over the base coat of render using adhesive and then pointed in the style of conventional masonry.

This multi-functional performance results from a Magnesium Sulphate formulation which also offers an environmentally friendly alternative to conventional plywood or OSB products. Additionally, the unique production process keeps the chloride content to just 0.01%, enhancing both stability and long term durability. Crucially, Magply carries internationally recognised accreditations confirming the boards’ ability to deliver up to 90 minutes integrity and insulation under BS EN fire test conditions.

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