Thermal Resistance value of Bubble Foil is 0.579m2K/W.
'k'value of EPS SILVER is 0.030 W/mK.
'k'value of Polyurethane is 0.023 W/mK.
N.B. Trusses must be spaced accurately to ensure a tight
fit.
Products
Available
Therma-Flect Roof Board 1.2m length
Refurbishment - ANY TRUSS CENTRES OR WIDTHS CAN
BE CATERED FOR
YBS Foil Tape: 75mm x 50m
Tilt Board Membrane: Width-400mm/Length-100m
(For use with tilt board, ridges and hips)
Actual board width will be determined by rafter centres for invoicing
purposes
Technical Reference
BS5250:1989(1995)
Code of practice for the control of condensation in buildings BS5534:Part 1:1997
Code of practice for slating and tiling (including shingles): Design BS8000:Part 6:1990
Workmanship on building sites: Code of practice for slating and tiling
of roofs and claddings BS EN ISO 6946:1997
Building components and building elements: Thermal resistance and thermal
transmittance Calculation method
Building Regulations 2000 Approved Documents L1 & L2
Building Standards Part J Sept 2001
Building Research Establishment
BR282 Thermal Insulation: Avoiding risks 2002
Foil Bubble Membrane
Tested for emissivity and thermal resistance by the National Physics
Laboratory, England. Composite board fully tested by Sheffield Hallam
School of