SUPPLY CHAIN
On the green building
products shopping trail
Paul Roche, director of sustainable products for SIG and MD of
eviee.co.uk gives a taster of sustainable building solutions.
B
oth the government a long time to install and are less easy to A conviction in this belief has resulted in
and the wider construction integrate into a building further serves to SIG’s launch of www.eviee.co.uk.
industry acknowledge that discourage companies and consumers from the aim of the website is to make the
a radical step change in the investing in them. process of selection, purchase and installation
way buildings are designed and constructed however, a solution to this lies in making of sustainable building solutions more
is required if environmental targets are to available more information and practical efficient with the long-term ambition of
be met. however, sustainability is still an advice on the tangible environmental and promoting sustainable development in the
inexact science, and the information available economic benefits offered by products construction sector.
out there is often confusing and contradictory. throughout their whole life cycle - nBelow is a sample of some of the products
the general perception that environmentally considering manufacture, installation, that are available from the website. For more
friendly products come at a premium, take building performance and end-of-life options. details of the items visit www.eviee.co.uk.
Photovoltaics - DuPont Energain
Solar Century PV
DuPont energain is a solution that works to improve
the thermal mass performance of glass fronted
panels
buildings. a compound of paraffin wax that melts
Solar Century PV panels comprise a
at 22 degrees celsius and solidifies at 18 degrees
system of roof-integrated photovoltaic
celsius is sandwiched between two laminated
tiles capable of adjoining with
aluminum panels. as the paraffin compound melts,
conventional tiles.
heat is absorbed from a room - with heat then being
Characteristics:
released back into the room as it re-solidifies.
n one solar tile equates to the surface
Benefits:
area of four standard tiles
n Slows room temperature increase by up
n each tile has the capability to emit
to seven degrees celsius, to maintain a
52Wp (watts-peak) of power with 80%
comfortable environment
of the power collected guaranteed to
n Reduces the need of costly heating and cooling
generate electricity
systems therefore significantly reducing a
n each tile has a useful lifespan of 25
buildings energy costs and Co2 emissions
years from date of commission
n easily installed in the building fabric of existing
Benefits:
buildings.
n the tile is designed to a similar
specification as a standard roof tile NaturePro
and therefore integrates in the same naturePro is a range of thermal insulation and releasing moisture
way as standard interlocking tiles - so suitable for use in roofs, walls and floors n Contains no irritating fibres
it is easy to install derived from natural, sustainable and n Fully bio-degradable thereby reducing
n no extra planning considerations are renewable sources including wool, hemp and waste to landfill
required as the tiles integrate with the wood fibre. Individual qualities:
existing roof line each of these materials has the ability to n Wool - the only limit on the amount of
n no complex electrical or mechanical significantly improve the energy performance wool available is the amount of sheep
work is required therefore Solar of a building - maintaining warmth during the that are being farmed, making sheep
Century PV panels can be installed by winter and preventing excessive over-heating wool a highly renewable material
a roofing contractor, eliminating the during the summer and therefore helping n Hemp - derived from hemp plants,
need for additional installation costs building occupiers to reduce the energy not only is the material renewable but
and ensuring tiles are operational in costs associated with air-conditioning and photosynthesis contributes to reducing
the quickest possible time heating. Co2 levels
n back mounted contact strips - NaturePro benefits: n Wood fibres - sourced from sustainable
increase effective collector area. n Reduces condensation levels by absorbing forests and are easily recyclable.
32 SuStaInable SolutIonS December/January 2009
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