Roof and Wall - Lane Roofing

4 Hour
15 minutes Insulation 4 Hour Integrity
Double Skin Firewall with Instaloc 40 Spacer System
& Glassfibre Quilt (vertical outside rail)
This system is intended for use as
an external wall, sited at least 1 metre
from a relevant boundary. It is not
suitable for partitions.
Assessment of fire resistance refers
to cladding system which must be
supported at base or by a fire rated
eaves beam. The assessment refers
to non-load bearing walls. The
cladding system carries no vertical
load other than its own dead weight.
Installation of this system to be in
accordance with approved document
B (Fire Spread) in the Building
Regulations 2000.
Insulation
Glassfibre insulation quilt, minimum
thickness 160mm. 10kg/m 3 nominal
density.
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).
Instaloc 40
200mm bracket is required with 160mm
insulation. If insulation thickness is
increased a minimum air gap of 40mm
must be maintained.
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 600mm centres and lining
panels at not more than 300mm centres.
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.
Original fire report by SGS Yarsley No.
J88627/2 now updated by Warrington
Fire Research Centre Ltd. to WFRC number
C107677.
System assessment to comply with BS476
part 22.1987 in relation to internal fire.
Stability = 240 minutes
Integrity = 240 minutes
Insulation = 15 minutes
Firewall Systems 19