Roof ventilation - the truth
09-Jul-04
The increase in the number of reported cases of roof timber rot and mould is attributed to the failure of contractors to properly ventilate cold and warm pitched roofs according to British Regulations Part L and F, Good Building Guides 37 and 51, and BS ... Topic.
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Dynamic insulation for energy saving and comfort
09-Jul-04
Air enters a dynamic insulation system through a permeable insulating layer, such that heat which would have been lost by conduction is recovered by the incoming air. Topic.
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Steamed up over roof space ventilation
07-May-04
Condensation problems may occur in unventilated roofs which rely upon vapour permeable underlays ( membranes ) for condensation control, particularly during sudden cold spells and the drying out phase of a new building. Technical Brief.
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Non ventilated Roof Insulation 2002 Regulations
16-Apr-04
This brochure describes the Alreflex 2L2 Super-R roof insulation material, a non-ventilated system, produced by Thermal Economics Ltd, and its installation in roofs and walls. Product.
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Roof ventilation will not help Part L
26-Mar-04
Conventional methods of roof ventilation are not compatible with the new Building Regulations Part L, which encourages airtight systems. Topic.
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Lined, sealed and delivered
27-Feb-04
The control of condensation in roof spaces whilst achieving the Building Regulations requirement for a U-value of 0.16 W/sq m/K is discussed. Topic.
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Risks of roof ventilation
27-Feb-04
Incorrectly designed, constructed and maintained ventilated roofs may fail prematurely by moisture-induced rotting, whereas non-ventilated roof systems with a breathable membrane require no maintenance and will function correctly ... Topic.
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Vermiculite board for novel building material
06-Feb-04
A novel building material was made from unfired vermiculite, Ca(OH)2, SiO2 and pulp by autoclaving at 187 C. Technical Brief.
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Unravelling airtightness
30-Jan-04
Air leakage wastes energy and money, and this is addressed by Part L2 of the Building Regulations, which came into force on 1 April 2002, requiring all new commercial and public buildings with a floor area over 1000 sq m to have an air permeability of not more than 10 cu m/h/sq m at an... Topic
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Aerosol duct sealing
14-Nov-03
To prevent energy loss in buildings featuring ductwork for cooling and heating, the ducts need to be sealed. Product.
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