杉板厚み6㎜(天井板)

2013-09-03
CIMG3229

CIMG3238

CIMG3274 CIMG3270
杉 L=2000 杉 L=4000  L=4000
 CIMG3311CIMG3317    
 杉柾 L=4250×D=320×t=6 (7坪)