PRODUCTS AND SERVICES ROUND-UP
Danfoss warms college
a skills and enterprise centre at
the West Somerset Community
College, Somerset, is said to
be reaping the rewards of
renewable energy from heat
pumps, supplied and installed by
Danfoss Heat Pumps.
the heat pump specialist
supplied three 16kW ground
source heat pumps with geothermal boreholes that ran underneath
land owned by the college.
Fitting the heat pumps was said to be part of creating a
self-sufficient building capable of providing its own energy from
underneath the ground.
Black Mountain offers
according to Danfoss, this has created an excellent example
for students and a comfortable environment to work in with heat
natural wool insulation
supplied in some areas via underfloor heating.
the college was able to take advantage of funding through
a project between Seddon Group and the Moorlands Housing RSl,
the low Carbon buildings Programme (lCbP) phase 2, for which
Staffordshire is said to have had its ‘green’ credentials boosted thanks
Danfoss Heat Pumps is an approved supplier to british Gas.
to the use of an eco friendly sheep’s wool insulation.
Funding for the project was also secured through the learning
Construction company, J & S Seddon (building), part of Seddon
and Skills Council and the european Regional Development Fund.
Group, is using the sheep’s wool insulation to lag the lofts of
the centre received up to 50% towards the total installation
properties being built for Moorlands Housing in Staffordshire.
costs by applying for a grant under the lCbP scheme.
black Mountain insulation requires 10% less gauge than
man-made glass fibre to achieve the same insulating factor. it
n www.ecoheatpumps.co.uk
controls condensation, absorbing up to 40% of its own weight
in moisture while still remaining dry. importantly, sheep’s wool
naturally generates heat as it absorbs moisture, which is said to
Squeak-free Sealfast
give insulation of this kind even greater efficacy.
Sealfast, the one-stop polyurethane flooring adhesive from norbord,
n
www.blackmountaininsulation.com
is said to have helped speed up construction of a low-energy
sustainable house in Presteigne, Powys.
the design brief was for a house with industry-beating thermal
performance and air-tightness, built using sustainable materials
Buderus boilers provide
obtained, wherever possible, from local sources.
norbord’s Caberdek tongue-and-groove particleboard flooring
heat efficiencies
panel, incorporated as part of the Frame Wise system, has been
recently enhanced with the development of Sealfast, a single
a fuel-efficient heating system
product that is said to replace the need to use two different
has been installed to replace the
adhesives during installation.
existing 27-year old boilers at
a fast-curing polyurethane adhesive, Sealfast is said to provide a
ashville College in Harrogate. two
quick and simple way of ensuring a high quality, squeak-free floor on
buderus Gb312 200kW output,
timber joists. Sealfast was developed as an alternative to other fixing
floor standing, condensing boilers
methods which are currently used in the industry. Most of these
are now said to meet all the heating
other systems depend on a PVa adhesive to bond adjacent boards.
requirements for the entire senior school building, previously
Sealfast, unlike PVa, it is water resistant so there is no need to
serviced by two 296kW ideal Viceroy cast-iron boilers.
apply protective tape to keep moisture out of the joint. Sealfast is
the buderus Gb312 boiler is a condensing boiler with a cast-
supplied in 310ml tubes for application with a standard skeleton
aluminium heat exchanger which is claimed to provide efficiencies
gun; after the joint has
of up to 108% (nVC). Six outputs are available from 90kW to
been made, excess
280kW and boilers can be fitted individually or as part of a pre-
adhesive squeezed out of
assembled 2-boiler cascade kit. according to buderus, multiple low-
the joint is spread with the
nox pre-mix burners provide a wide modulation range making the
Sealfast Scraper tool to
Gb312 flexible enough to suit a variety of commercial installations.
seal the joint.
the boiler specialist said it is a good choice for medium sized
it took Frame Wise less
office blocks, where its compact dimensions, and relative light-
than three weeks to erect
weight make it easy to transport to boiler and plant rooms that
the timber frame of the
would otherwise be difficult to access. a fully insulated casing is
low energy house in Powys
claimed to minimise thermal losses, and make the boiler whisper
with the roof installed.
quiet, even when running at full output.
n www.norbord.com
n
www.buderus-domestic.co.uk
SuStainable SolutionS april 2009 55
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