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Products Overview | Roof | Therma-Flect Roof Board

EPS SILVER & PUR GOLD Pre cut roof insulation which meets building regulations and waterproofs all in one layer

Therma-Flect Roof Board - Technical Data

TF Warm
Roof Board
Thickness
Joist Centre U-Value
Achieved
Thermal
Resistance
Including Cavities

New Build
155mm PUR GOLD 400mm 0.16 7.555
185mm EPS SILVER 400mm 0.16 7.033
145mm PUR GOLD 600mm 0.16 7.120
175mm EPS SILVER 600mm 0.16 6.700

Refurbishment
115mm PUR GOLD 400mm 0.2 5.816
140mm EPS SILVER 400mm 0.2 5.533
105mm PUR GOLD 600mm 0.2 5.381
130mm EPS SILVER 600mm 0.2 5.200

*Based on Nominal 50mm Trusses
NB - Please supply rafter centres & widths


Performace Test Data of Insulation

EPS Silver (expanded Polystyrene) EN13163 EPS 70 Grade (Fire Retardant)
All products are both CFC and HCFC Free
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



 

Overview
Installation
Technical
Calculations
Data Sheet
 

Can achieve 0.16 U-Value through roof
Fully insulates and waterproofs in one application
No felt or vapour barrier required

Meets: Part L1 & L2 andPart J
Major labour savings...
Boards can be pre-cut to fit
Meets NHBC standards

High performance
No special fixings required