| 摘要 |
The invention relates to a timber truss for houses with habitable roof spaces. The subject of the invention is a timber truss for a house with habitable roof spaces, of the two-level type and consisting of trusses with trestles having broken rafters, characterised in that the said trestles 15 support purlins 4 made by tie beams 5 and themselves supporting the principal rafters 7 of the upper level of the truss, particle or plywood boards 6, 11 being nailed to the said tie beams 5, as well as to the external face of the principal rafters 2, 7 of the two levels of the truss. Application to houses with habitable roof spaces. <IMAGE>
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