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Kalzip’s new dual-insulation roof system achieves U-values
as low as 0.1 W/m²K and has been installed on the
CO2Zero-LiveWork building, Bristol. This technically proven
low U-value system is extremely cost effective and utilises
the combined benefits of two complementary types of
insulation materials - Kalzip Insulation Plus (glass mineral
fibre) and Kalzip Insulation 23 (rigid insulation boards).
Combining the two insulation materials enables a
significantly greater overall thermal resistance to be
achieved compared with using a single layer of insulation of
the same thickness. |
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Conceived and developed by Logic Construction Project &
Design Services, CO2Zero-LiveWork is the first private
residential scheme in the UK and first Live/Work scheme to
attain Certification at Code for Sustainable Homes (CSH)
Level 5. |
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The development comprises a
private terrace of 9 properties, each with a duplex
apartment over a ground level work unit with a secure street
level shop front / entrance. Brandon Lloyd Architect was
responsible for the detail design and site supervision
whilst Approved Teamkal Contractor, CDW Ltd installed the
smooth curved standard stucco embossed low U-value Kalzip
roof system, fabricated rooflight soakers and gutter system. |
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The scheme was the brain-child
of Logic CP&DS Director, Paul Warren-Cox who says, “The
increasing demand for sustainable housing is a major concern
for society so reducing energy consumption and CO2 emission
levels are fundamental to attaining a carbon-free future.
Kalzip’s new low U-value roof system was the obvious choice
for reducing CO2Zero-LiveWork’s overall heat loss and
helping the development to achieve optimum energy
efficiency.” |
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Introduced in April 2007, the
CSH is closely linked with the Building Regulations and
represents best current practice for the construction of
residential dwellings. CSH is geared to improving the
overall sustainability of new homes by setting a single
framework within which the house building industry can
design and construct dwellings to continually rising energy
efficiency and environmental standards. |
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The low U-value roof system is
based on standard Kalzip standing seam build-up
configurations. These configurations have been further
developed to satisfy the ever-tightening design limits on
thermal performance levels demanded for modern construction
and to comply with anticipated changes to Part L of the
Building Regulations due in 2010. |
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Kalzip’s low U-value roof system
can be used with liner, liner-deck, structural deck and
timber deck constructions to cater for virtually any new
build or refurbishment application. Even more sustainable
low U-value roof systems are available with renewable (Kalzip
AluPlusSolar) and green roof (Kalzip Nature Roof)
technologies. |
