50mm Xtratherm Thin-R Flat Roof FR-BGM (10/pack)
Xtratherm Thin-R Flat Roof BGM - 50mm (10/pack)
Flat Roof Board FR/BGM Insulation for Partially Bonded, Torched-on, Built-up Bituminous Felt Systems.
Xtratherm FR/BGM is faced with a polypropylene fleece finished bitumen glass working surface and a mineral glass facing to the under side. FR/BGM is part of Xtratherm’s comprehensive range of high performance flat roof boards providing total solutions for flat roof projects.
Thickness: 50 mm
Length: 1200 mm
Width: 600mm
Pack size: 10 sheets
Pack coverage: 7.20m2 Pack
Weight: 11.50kg
Available thicknesses: 50, 60, 70, 80, 90, 100, 110, 120, 130, 140, 150 mm
(Other sizes are available subject to quantity and lead time)
Profile: Square Edge
U-Value: 0.28(W/m2K)
(The given U-value is indicative only.For comprehensive calculations on all deck types, please contact Xtratherm Technical Support)
Density (Foam Core): 32kg/m3
Compressive Strength: >150kPa at 10% Compression
Thermal Conductivity: 0.027 W/mK
Characteristics:
Roof Loading
Xtratherm FR/BGM is suitable for use on roof decks that are subject to limited maintenance foot traffic. Walkways should be provided on roofs requiring regular pedestrian access. When the roof is complete, protective boarding should be laid if additional site work is to be carried out.
Roof Design
Xtratherm FR/BGM is suitable for use with most bitumen based, partially bonded water proofing systems typically including a BS 747 type 3G perforated base layer or proprietary system. Xtratherm FR/BGM, (Fleece side upper most) may also be fully bonded. Guidance in regard to moisture and condensation should be in accordance with BS 8217 (Reinforced bitumen membranes for roofing.
Fixing
The specification for fixing Xtratherm roof boards will vary with the location, roof height/width and topographical data. Architectural specification should be consulted. Generally with 1200mm x 600mm boards, a minimum of 4 fixings per board are adequate, located between 50mm and 150mm from all edges, additional fixings may be placed along the centre line. Counter sunk washers, 50mm in diameter should be used with each fixing. However, BS 6399: Part 2 should always be consulted. In two layer systems, all layers should be fixed in accordance with fixing manufacturers instructions.
50mm Xtratherm Thin-R Flat Roof FR-BGM (10/pack)