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Advanced thermal insulation technologies in the built environment

Advanced thermal insulation technologies in the built environment

by K Livesey,E Suttie, K Scovell & W Thielemans (29-Jan-2013)

£15.50

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Book Description

This Information Paper reviews thermal insulation products, with a focus on advanced thermal insulation technologies such as aerogels, vacuum insulated panels, gas-filled panels and phase change materials. Traditional insulation materials – such as glass, mineral wool and expanded or extruded polystyrene – are robust with respect to resistance to perforation and flexibility, so it is possible to cut to fit these at the building site. However, these have relatively high thermal conductivity values, which may require very thick building envelopes in order to achieve the goals of highly energy efficient buildings in cold climates. Renewable materials, such as wool and straw, may also require significant bulk and thickness to meet the requirements of the UK building regulations. There is ever-increasing pressure to reduce energy use in buildings and its associated carbon dioxide emissions, and demands on thermal insulation to achieve this by preventing heat loss with minimal extra bulk. Millions of homes without cavity walls also require internal or external solutions. As energy prices rise, the demand for and commercial value of new and innovative insulation solutions will rise accordingly.Advanced types of insulation materials offer potential for either new insulation products or for combining with existing materials to achieve a greater effect. Aerogels, based on a variety of raw materials, appear to offer great potential as insulation: although more expensive than current insulation at approximately five times the cost of polyurethane, the cost is falling with increased production. Phase change materials offer a way of capturing heat, stabilising internal conditions and substituting for thermal mass in timber-frame, steel-frame and lightweight masonry buildings.This publication provides important background information on the advanced insulation technologies and is aimed at those designing and constructing new buildings as well as those refurbishing older buildings. After reading this paper they will be able to understand whether advanced insulation products have a role to play in their project.

Contents:

Background
Thermal insulation in buildings
Thermal insulation and building services
-Typical HVAC applications
Traditional insulation materials
-Glass wool
-Cellular or foamed glass
-Stone wool
Organic non-renewable thermal insulation materials
-Extruded polystyrene (XPS)
-Polyurethane
-Phenolic insulation
Organic renewable thermal insulation materials
-Cellulose-based insulation
-Cork board insulation
-Straw bale insulation
-Sheep's wool insulation
Advanced materials
-Vacuum insulation panels
-Gas-filled panels
-Aerogels
-Phase change materials
Performance requirements
Sustainability credentials
Responsible sourcing of materials
Market opportunities, applications and supply chains
Conclusions
References
Further reading and sources of information

Format:

A4 16pp
3  line drawings, 10 photo

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