| 摘要 |
An insulating structure 94 comprises two beams 70, each having a longitudinally extending connecting means (90, Fig 7) and upper and lower flanges (76, 78, Fig 7) arranged such that a channel is defined along two opposing sides of the beam 70 between the connecting means and the upper and lower flanges; and an elongate body of insulating material 72; wherein a first side of the body is engaged along the length of one of the beams 70 in one of the channels thereof and an opposite second side of the body 72 is engaged along the length of the other of the beams 70 in one of the channels thereof. |
