Waste House Construction, Brighton, UK





Case study of Waste House in Brighton | Grand Parade Campus

Waste House is being constructed in the Grand Parade Campus of University of Brighton. Brighton is town in the southeast of England, UK. Duncan Baker Brown and Cat Fletcher are leads in the project. It is a challenging project. This house is going to be used as a studio for postgraduate design students. It will be open to public for viewing. The aim of the project is to demonstrate how waste can be efficiently used for the construction purposes without having to compromise on the quality.

Waste house | Brighton

Waste house | Brighton.  Source: theargus.co.uk

Materials selected for the Waste House Project

Roof – solar roof (Solar PV tiles have been used on the roof.)

Sky harvester – Natural light source

Rainwater harvesting

Timber from local sustainer sources

Second hand timber

Since it is second hand timber and that its strength cannot be determined, the structural engineer assumes that the timber is of the weakest type and compensates in the design accordingly.

Walls

Lightweight prefabricated panels = lots of insulation

Reuse waste materials such as Hemp, glass, earth, tins, straw, carpet tiles

Heavy weight prefabricated panels = lots of heat storage

Chalk wall – 10 tonnes of chalk used + 10% clay

(Although only 100% chalk would mean better wall strength)

Materials used as Insulation

Cassettes, CDs and DVDs

21000 toothbrushes (Cat Fletcher managed to get them from Gatwick)

1000 rolls of wallpaper

Columns

They are made up of salvage ply with lots of bits of timber in it.

Foundation

Ground floor slab and foundations have been cast by compacting earth and aggregate avoiding too much cement.

Renewable energy sources

  1. Geothermal solar hole for free energy
  2. Ground source heat pump for heat

Electricity from PV array on roof

Ian Mitchel & Sara MacLean of Vent-Axia Group supplied the second hand Mechanical Ventilation & Heat Recovery unit that will ensure that all-electric house runs on the minimum of mains power.

Old Vinyl banners

They are date sensitive and used only once. They can be recycled if brass eyelets that are used to tie them to street lights during art festivals were removed. Cat Fletcher got 1000 of them and they have been used as internal vapour control layers. There will be wall finishes over the banners.  They have also been used as damp proof courses around rational windows. If you want to protect your windows from sun light there is a window tinting near me that works perfectly.

Delivered by: Bay Media

AAC Waterproofing Ltd

Prelasti rubber member roof finish

(40% waste rubber + material from car tyres)

The Brighton and Hove Wood Recycling Project

Second Hand timber

Chandlers Sustainable Building solutions supplied Porotherm Clay blocks. They are installed on exposed vaulted ceiling on first floor.

Dupont Building Innovations supplied Tyvek Vapour Control and Building membranes for external walls.

They are used in low energy timber frame construction projects to control the flow of condensation through the fabric of the building.

Ejot UK Ltd supplied  long screw fixings to secure external wall and roof insulation. They also supplied the fixing system for the photovoltaic solar panels.

Kingspan UK supplied surplus and slightly damaged external wall and roof insulation

The Velux Company Ltd supplied triple glazed Integra roof lights and come with external and internal automatic blinds. The company claims that the roof lights give 20% more natural light as compared to the conventional roof lights available in the market.

Rational supplied doors and windows.

South Downs Solar supplied solar panels.

Rammed Earth Wall

10 tonnes of chalk + 10% clay

It has been rammed with the help of a compressor and pneumatic rammer.

The density, thickness and thermal conductivity of rammed earth make it a particular suitable material for passive solar heating. (35cm thick)

Rowland Keable – Rammed Earth Specialist

The Waste House project is quite interesting. Duncan Baker Brown is the architect behind the project. It will be interesting to see how energy efficient this structure turns out to be in future. The vision that people will start using waste to build homes is quite fascinating. Costs play a major role in construction. This is something that cannot be changed. People always prefer better quality at lower costs. The cost estimate for this project is £2200/sqm. This is expensive and not many people would happily spend so much money to build a house out of waste.

References:

Waste House | University of Brighton



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