Novia VariCheck FR AVCL

Benefits

• Class B-s1,d0 fire rating suitable for high rise applications under Fire Safety Approved Document B
• Variable sd value (0.4m to 3.2m) adapts seasonally to changes in local humidity levels
• Less permeable in colder months, more permeable in warmer months
• Minimises interstitial condensation without over-restricting vapour movement
• Cost-effective fire rated solution for standard and high rise constructions
• CE marked to EN 13964

Good to know

• Class B-s1,d0 fire classification is valid when installed flush against a substrate with fire class A2-s1,d0 or A1, such as 12mm plasterboard, with no cavity between product and substrate
• Suitable for floor applications only where a fire rating is not required
• Milky white in colour with 150mm overlap lines
• All laps and edges must be fully sealed and taped
• Use Novia 30mm Double Sided Butyl Tape for all overlaps and around framework
• Use Novia Aluminium Foil Tape or Novia Metallised BOPP Tape over overlaps to ensure a fully airtight seal
• Any mechanical fixings must penetrate through the butyl tape to seal around punctures
• Novia AirSeal 310 FR sealant can be used where additional sealing is required, for example at internal corners, floor sections or window reveals
• For a full Class B installation use in conjunction with Novia FR Breather Membrane or Novia UV Facade FR Breather Membrane for open facade applications
• Available on NBS Chorus and NBS Source
• Supplied as a 1.5m x 50m roll (75m²)