Stratigraphy

• installation base
• vapour barrier
• retaining edge and gutter
• STIFERITE Class B
  (alternatives: STIFERITE Class S - STIFERITE Fire B)
• bituminous sealing element with a slate-effect finish
• roof covering of clay tiles or roof tiles

Guidelines and warnings
The STIFERITE Class B panel is suitable for the application of bituminous sealing elements, fixed by flame-bonding.
Depending on the panel chosen as an alternative to STIFERITE Class B, a suitable bituminous sealing element with a slate-effect finish must be used, in accordance with the application method.
For guidance on the panel fixing method, refer to standard UNI EN 11442.