Cauzac Underlay System
Home
 
   
 

 

 
The ‘Soutuile 230’ underlay sheet is used to support half-round tapered tiles and guarantees perfect watertightness & rapid drainage of roofs as low as 50 pitch.

Advantages
• Rapid watertightness of roof prior to tiling
• Concealment of roof flashings
• Self sarking
• Insulation qualities
• Economy of tiles
• Lighter roof frame
• Length – 1650mm
• Weight – 20kg (45kg/m2 with tiles)
• End Lap – 200mm
• Purlin Centres – 1,450mm
• Max Cantilever – 350mm
• Sheet Fixing 115mm Type 17 Tek screws
• Tile Fixing – Bostik Seal-N-Flex or similar
• Colour – Terra Cotta