| 摘要 |
<p>What is disclosed is a wide variety of roofing planks, siding planks and floor planks (7) connected to rafters, studs and joists (9) without visible nails (13). Planks may be covered with sheet metal (4), which is not pierced by nailing. The building system is improved further by taking advantage of the tendency for resawn (5) planks to cup.</p> |
