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Heat - Insulation - Convection - Buildings.
All
of the insulation methods in
buildings that we have looked at so
far
use trapped
air to reduce conduction.
The air within the
rooms in buildings will transfer heat
to the outside by convection.
This happens particularly where warm
air leaves a building
through gaps around doors and windows.
These gaps can be sealed by using draught
proofing.
Draught
proofing involves using plastic strips or
foam
around the edges of doors and windows
to seal any gaps when the door or
window is closed.
This reduces heat loss by
convection.
The room in the house stays warmer
for longer (see costs).
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