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Double +11

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This type of cladding is normally used to protect the façades of buildings exposed to particularly bad weather. Especially to protect against driving rain, slate’s natural characteristic of not absorbing water creates a waterproof wall.
The slate slabs are set on a special frame made of vertical wood laths with an 8 x 3 cm. section. This lathing is fixed to the wall with special Teflon dowels about 12 cm. long. On this vertical lathing, at 23 cm. centres, laths 4 x 3 cm. are nailed horizontally. Slate slabs are fixed to these laths with special hooks placed both bottom and top. This system of cladding allows natural aeration of all the structures, protecting them from the elements and above all allows the walls to breathe perfectly.

  • Natural cleft slate slabs
    57x40 cm, 9/10 mm thick
  • Fixing with 11 cm stainless steel or
    copper hooks, 4 mm diam.
A-slab length 57 cm
B-slab width 40 cm or 30 cm
C-slab to stagger the row: width of B + 50%
D-length of starter slab 34 cm
E- length of exposed slab 23 cm
F-vertical lath centre distance 62 cm
G-horizontal lath size 4x4 cm (starter shim 3x4)
H-length of hook 11 cm
P-horizontal lath centre distance 23 cm
Requirements for 1 sq.m. of cladding:
10 slate slabs 57x40 and 10 hooks
14 slate slabs 57x30 and 14 hooks
Total weight of 1 sq.m. of cladding: 60 kg (with slabs 57x40 cm or 57x30 cm, 10 mm thick) 
Total thickness of cladding 20/30 mm