Thermal insulation provided by triangular sectioned attic spaces

S.D. Probert and T.J. Thirst

Applied Energy, 1977, vol. 3, issue 1, 50 pages

Abstract: The pitch of a triangular roof, apex upwards, should be about 15° in order to achieve a relatively high ratio of thermal insulation (in the absence of wind penetration) to capital investment. The thermal insulation provided by the contained air may be enhanced by incorporating a light, inverted T structure (suspended from the roof apex) because this inhibits the convective currents, as well as providing some radiation shielding.

Date: 1977
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