Menu
Menu
Your Cart

70mm Xtratherm Flat Roof Board FR-MG (pack of 7)

70mm Xtratherm Flat Roof Board FR-MG (pack of 7)
Guide Price
70mm Xtratherm Flat Roof Board FR-MG (pack of 7)
Guide Price: £162.53 (£195.04 inc VAT)
Price per m2: £16.12/m2 (£19.35 inc VAT)
  • Product Code: A1-188
  • Delivery Time: 3 - 5 days
  • Brand: Xtratherm
  • (Tech. support: 03712221055)
  • Model and Size: 1200mm x 1200mm - 10.08m2
  • Weight: 19.40kg
Our ratings on 09-06-2025:
Google My Business Reviews
4.8 out of 5
Show other thicknesses

70mm Xtratherm Flat Roof Board FR-MG (pack of 7)

Width: 1200mm
Pack Coverage: 10.08m2
Density: 30kg/m3
Weight/m2: 2.1kg
Weight: 19.4kg
Thermal Conductivity: 0.025W/mK
R-Value: 2.8m2K/W
Compressive Strength: 150kPa

Xtratherm FR-MG 70mm is a mineral coated glass faced board. Xtratherm XT/FR MG boards should be laid over the vapour control layer in a break bonded pattern. The long edges of the boards should be laid at right angles to the direction of the substrate and all edges must be fully supported by the deck. The XT/FR MG insulation boards are secured by approved mechanical fixings or sufficiently bonded. The requirement for a separate water vapour control layer should be assessed in accordance with National Regulations.

APPLICATION

Xtratherm XT/FR MG boards are suitable for use on:

  • Rooftop decks subject to maintenance 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.
  • Below most single-ply fully adhered and mechanically fixed roof membrane systems or loose laid ballasted roofing systems.

Vapour control layer should be used when required with mechanically fixed boards. A 1000 gauge polythene layer lapped and sealed with double-sided tape should be used below the insulation. Consideration should be given to the recommendations of BS4841: Part 3 1987 and those of the Single Ply Roofing Association. The fall on a flat roof should be constant and steep enough to ensure that rainfall does not pond. Care must be taken to provide adequate falls, i.e., 1-80 to rainwater outlets.

CHARACTERISTICS
  • High Thermal Performance
  • Suitable for full bonding with approved adhesive systems
  • Compatible with adhesively bonded single-ply roofing membranes laid on mechanically fixed boards
  • 16-20 Suretwist fixings are needed per 1200x2400mm board for mechanical fixings.
CERTIFICATION
  • Xtratherm Flat Roof Board FR-MG is manufactured under ISO9001 assured quality system.
  • FR-MG Board is CFC/HCFC free with zero ozone depletion potential and a Global Warming Potential less than 0.01.
  • The fire rating when tested to BS 476 Part 3: 1968 ‘External Fire Exposure Roof Test’ will be dependent upon the waterproofing system specified.

Other sizes are available subject to quantity and lead time.

99mm Plydeck Xtratherm (PIR with OSB Board) - 90mm PIR and 9mm OSB Board
Guide Price
Brand: Xtratherm Model and Size: 2400x1200 - 2.88m2
Delivery Time: 1-3 working days
Xtratherm Plydeck is a composite insulated panel consisting of an 90mm Xtratherm Polyisocyanurate core with a composite foil face, bonded to 9mm OSB board. This advanced panel offers both thermal insulation and decking capabilities in a single application. Application Xtratherm Plydeck..
Guide Price: £61.83
£74.20 inc VAT
Get Best Price
74.5mm Xtratherm XT/TL Thermal Liner Dot and Dab (65mm PIR Insulation bonded to 9.5mm Plasterboard)
Guide Price
Brand: Xtratherm Model and Size: 1200x2400 - 2.88m2
Delivery Time: 1-3 working days
74.5mm Xtratherm XT/TL Thermal Liner Dot and Dab Insulated Plasterboard is a high performance rigid insulation board made from 65mm Xtratherm PIR core faced with composite kraft paper bonded to 9.5mm tapered edge plasterboard, specially designed for internal walls dry lining and insulation, due to i..
Guide Price: £58.82
£70.58 inc VAT
Get Best Price
Brand: Xtratherm Model and Size: CT/PIR 1200x450 - 2.16m2
Delivery Time: 1-3 working days
75mm Xtratherm CavityTherm wall insulation board is a high performance composite board of enhanced PIR core with a lambda value of 0.021W/mK. The boards have gas tight facings with one face bonded to a profiled HIPS skin during manufacture to provide a drainage plane. CavityTherms unique engineered ..
Get Best Price
82.5mm Xtratherm XT/TL Thermal Liner Dot and Dab (70mm PIR Insulation bonded to 12.5mm Plasterboard)
Guide Price
Brand: Xtratherm Model and Size: 1200x2400mm - 2.88m2
Delivery Time: 1-3 working days
82.5mm Xtratherm XT/TL Thermal Liner Dot and Dab Insulated Plasterboard is a high-performance rigid insulation board made from a 70mm Xtratherm PIR core faced with composite kraft paper bonded to 12.5mm plasterboard. It is specially designed for internal wall dry lining and insulation. Due to its cl..
Guide Price: £57.59
£69.11 inc VAT
Get Best Price
90mm Thin-R XT/CW Partial Fill Cavity Insulation Xtratherm (pack of 4)
Guide Price
Brand: Xtratherm Model and Size: 1200x450mm - 2.16m2
Delivery Time: 2 - 4 days
Xtratherm ThinR XT/CW Partial Fill Cavity Wall Insulation is the best solution when designers or regulations demand additional thermal insulation in external masonry walls, without a substantial increase in the width of the cavity. Xtratherm Thin-R boards achieve high standards of insulation wh..
Guide Price: £39.02
£46.82 inc VAT
Get Best Price
100mm Xtratherm PIR Rigid Insulation Board
Guide Price
Brand: Xtratherm Model and Size: Thin-R - 2400 x 1200 - 2.88m2
Delivery Time: 1-3 working days
100mm Xtratherm Thin-r is a foil faced Polyisocyanurate (PIR) insulation board formed by a blowing process which generates rigid foam composed of fine cells filled with Pentane blowing agent trapped within the foam. Pentane has very good insulating properties and gives Thin-r superb insulating capab..
Guide Price: £41.66
£49.99 inc VAT
Get Best Price
This product is listed in the following categories and systems (click to show).