With high performing insulation factory-fitted into the timber frame panels, this approach delivers a very thermally efficient building envelope. In addition, because all the timber frame pack-
ages are pre-manufactured individually for each client, there is very little waste. The wood off- cuts are used to heat the factory, removing the dependence on oil heaters, which both benefits the environment and saves the company money.
Speed of build By building the walls, stairs, windows and doors in the factory, it reduces the amount of work the selfbuilder needs to do on site and pre- vents work schedules from being interrupted by bad weather. In addition, because it is a dry construction process, there is no drying out time required, which both speeds up the build and over time also means there is less movement in the building, reducing the need to redecorate or touch up.
The wood off-cuts are used to heat the factory
Energy efficiency and sustainability When aiming for higher energy efficiency levels like those of the new barn style show home, the company’s wall panels that come factory fitted with insulation, provide the necessary ingredi- ents to achieve greater energy efficiency levels and air tightness. The design features and mate- rials make this barn 25 per cent more energy efficient than a standard built home.
Update on the build After pegging the ground, the diggers moved in and began work on the foundations, digging metre deep trenches, which were inspected and approved by the local building inspector. A beam and block floor was laid. The foundations took three weeks to complete. Once the frame was unloaded, the sole
plates were fitted on top of the coursing blocks. These are made up of 140mm by 38mm lengths of timber, which form the base for the timber frame superstructure. It was essential that these were laid exactly level and square. Any deviation at this stage would have created dif- ficulties later on in the build. Once level, the rest of the frame erection was pretty straightforward. As soon as the ground floor panels were in
place, the floor joists were fitted. For this project, open web posi joists were used. These signifi- cantly simplify the installation of services such as plumbing and electrics etc., because the metal web forms clear runs through the joist zone
without the need to drill holes, which would be the case with solid timber joists. The roof comprises a mixture of lightweight
trusses and large pre-cut timbers, which will create stunning vaulted ceiling areas, a feature for this particular house design. Finally the roof was felted and battens fitted ready for the tilers to waterproof the barn, taking the barn up to first fix, which enables as many as six different trades to work on the house at the same time: roofing and cladding taking place on the out- side of the house, while first fix electric and plumbing work are completed inside. Once complete, the new ultra energy efficient
low carbon home, designed as a contemporary barn, will exceed the requirements for level four of the code for sustainable homes. Ieuan Compton, the head of marketing at
Kingspan Potton explains: “Last year, building to code level four became a requirement of plan- ning. There are several ways to meet the code, which has been confusing even for the industry, so for selfbuilders it could potentially be off put- ting. The aim of this project is to demystify the process and show one way to meet a code level four standard easily and affordably.”
Companies involved in project Kingspan Water Nu Heat Ltd ClosetMaid UK Extreme Scaffolding Yeoman Rainguard Sunfold Systems Ltd Screedflo Twyford Bathrooms Sahtas
Floorspan Contracts CTD Tiles
Clover Kitchens Matthew Paul Design Allergy Plus Glidevale Ltd Silvelox
Enq. 176
selfbuilder & homemaker
www.sbhonline.eu
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