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lavorazione ardesia | coperture tetti in ardesia | ardesia ligure italiana | ardesia fontanabuona

tetto doppio alla ligure in ardesia | tetto doppio alla ligure in ardesia prezzo Double ligurian roof

Double ligurian roof
Double ligurian roof
This roof is laid onto specially placed wooden battens (positioned according to the method known as “scarsetta”) As with the other types of roof, the roofing begins at the lowest point, the eaves, with   slates of a different dimension from the others. The slates are laid so that each one covers two thirds of the one below it. Proceeding in this way, the finished roof has a triple overlay. The specially shaped hook is inserted into the space between one slate and another and is consequently covered by the successive slate.
H
L
S
57
57
0.5
57
40
0.5
57
30
0.5
57
20
0.5
57
57
0.5
57
30
1
40
30
1
57
40
1
40
30
1
30
30
1
50
50
1
40
20
1
misure in cm

H=altezza(height)
L=larghezza(width)
S=spessore(tichkness)

  • 57 x 40 slates, or 57 x30
  • 9/11 mm thickness fixed with cement and zinc or stainless steel nails
  • 10 (57 x 40)slates  and
    10 hooks, or 14 (57 x 30) slates  and
    14 hooks are required to cover 1 m2 of roof
  • the weight per m2 using slates of 10mm thick is 60 kg