| 摘要 |
Decking boards 2 are secured to timber joists 1. The opposing side faces of the boards are provided with longitudinally-extending recesses 7 which include slots 8 into which T-shaped spacers 11 are inserted at intervals to ensure uniform spacing between the boards. During laying the exposed front edge of each board is fastened by nails 10 inserted through the inclined face 9, the rear edge of the boards being held by the spacers 11.
|
