Roof and Wall - Lane Roofing

4 Hour
1 Hour Insulation 4 Hour Integrity
Rockfibre Trinsul Firewall (vertical outside rail)
Corus Panels and Profiles Rockfibre
Trinsul outside rail cladding system
has a 1 hour fire resistance from
either direction when fixed within
1 metre of relevant boundary.
Insulation
80kg/m 3 nominal density profiled
rockfibre trinsul insulation board.
Minimum thickness to achieve
0.35W/m 2 K ‘U’ value.
Lining Panel
Corus Panels and Profiles colorcoated
galvanised steel 0.4/0.7mm thick.
Sheeting Rail
Sheeting rails supplied by others.
The rail is not fire protected but a facility
for expansion is required (slotted fixing
holes).
LPC
Rockfibre Trinsul meets fully the
requirements of part 2.2 of the LPC
design guide for the fire protection of
buildings 2000.
Outer Cladding
Corus Panels and Profiles colorcoated
galvanised steel 0.5/0.7mm thick.
Construction Notes
All fixings and components to be steel.
All outer sheet side laps must be stitched
at not more than 400mm centres.
Lining panel does not require stitching.
Warrington Fire Research Centre number
C127164.
The Building Regulations 2000
Approved Document L2 – April 2002
Contact Corus Panels and Profiles
Technical Department for information on
the insulation thickness needed for this
system to meet part L requirements.
18 Firewall Systems