Perfader

Perfader is an oxidized bitumen macro-perforated base layer specially developed to allow installation of torch-on membranes in spot-bonded applications. The partial bonding of the waterproofing is secured by the perforations and by the anti-adherent polyester film on the bottom face.

Suitable for:

• Refurbishment of old bituminous roofs or asphalt waterproofing
• Non-accessible self-protected roofs or under heavy protection waterproofing 
• Car parks waterproofing for light vehicles combined with Parafor Solo GS under a bitumen asphalt  
• Vapor barrier for low, medium and high humid structures

Can be installed on:

• Concrete or aerated concrete for new works
• Old bitumen roof or asphalt waterproofing