8 a 空心墙系统 SMALL CAVITY CLOSER 1830 a = 10 Selflok Weatherboards, Weathergroove, EcoWall Panels. LARGE CAVITY CLOSER 1830 a = 20 Classic 200 and 300mm Weatherboards, Primelok Weatherboards CAVITY BATTENS 1220mm x 45mm 所有空腔结构 产品 长度 (mm) 适用于: PRIMELOK STARTER STRIP 1830 All Weathertex Primelok Weatherboards WEATHERGROOVE JOINERS 2440, 2745, 3660 Weathergroove Panels SMALL CORNER PLUG Traditional Small External Aluminium Corner LARGE CORNER PLUG Traditional Large External Aluminium Corner Weathertex 配件