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Case Study  - Strawbales House - Cockermouth

one of the most energy efficient homes in the UK

Straw bales 1Clay Roof Tiles: Dreadnought Dark Heather Tiles

www.strawbalehouse.co.uk

Engineer Brian Waite is a man on a mission ­ a mission to convert people to the merits of houses made from straw. It’s not as daft as it sounds given he’s utilised his own patented construction method to build a two-storey home that's virtually zero energy with a neglible carbon footprint.

Background

It’s also a major accomplishment given that the Strawbale House is located in Cockermouth, Cumbria, one of the wettest and windiest parts of the UK. After several years of perseverance and much hard work the house is now almost finished, with any questions about its strength and weathertightness dispelled by its crowning glory of dark heather  clay plain tiles from Dreadnought Tiles.

Straw bales 3

Challenge

The supporting structure of the property comprises a series of wooden cruck frames with metre-long straw bales packed tightly between to form the continuous walls/roof and insulation of the property. The frame and bales are retained by a patent-pending mechanism designed by Mr Waite, who carried out much of the construction work himself.

Solution

Early in the design phase Mr Waite ruled out the use of eaves overhangs, an established method of protecting properties from the weather, opting instead for a high quality roof tile and a ventilation system that wicks moisture away from the lime render.

Result

Planners played their part in influencing how the scheme progressed and its final appearance, initially stipulating that the roof covering should be slate to match the local vernacular. However, due to the curvature of the roof, small format tiles were required, ruling out slate. Mr Waite wished to use only British made product and Dreadnought’s Dark Heather roof tiles matched the specification and satisfied the local authority, with some 7,500 supplied for the project. The Dark Heather tiles wrap over the house to just one metre above ground level, providing a good-looking yet tough exterior that will last for decades.

Stawbales house

“This project highlights how plain clay tiles help to deliver the highest level of sustainability,” said Alex Patrick-Smith, Managing Director of Dreadnought Tiles.

“With their BRE A+ rating and long life performance Dreadnought Dark Heather tiles provided an ideal complement for this pioneering environmentally friendly house. Our tiles are increasingly being used in contemporary designs, especially on curved roofs where they are the principal feature of the building and help to create the striking and aesthetically pleasing appearance as can be seen on this straw bale building. Their single camber and tight dimensional tolerances ensures the tiles sit right on the roof as the pitch of the roof becomes increasingly steep.”

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