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Bauder Total Roof System Reinforced Bitumen Membrane Inverted Roof Covering System Torch Applied

Third party certifications:
  • BBA Agrément Certificate

    Certificate type

Bauder Ltd

Total bitumen inverted roof system, incorporating inverted insulation, and torch-on bitumen capping sheet with torch-on bitumen underlayer.

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+44 (0)1473 257671 www.bauder.co.uk
Description

Two-layer, torch-applied, inverted roof, bitumen membrane waterproofing system, suitable for both new build and refurbishment applications.

Key features:

  • Capping sheets with tensile strength of up to 800 N/50 mm.
  • Withstands climatic extremes of over 100⁰C variation.
  • Expandable graphite fire-retardant prevents spread of flame.

Benefits:

  • Heavy-duty, robust and extremely tough.
  • Service life in excess of 30 years, as stated in BBA certificate 10/4744.
  • Resistant to European climatic conditions.
  • Membrane resists impact and tearing.
  • Can satisfy requirements of Part B of Building Regulations.

General information
Specification data - Reinforced bitumen membrane inverted roof covering systems
Product Reference

Bauder Total Roof System Reinforced Bitumen Membrane Inverted Roof Covering System Torch Applied

Primer

Bauder Quick Dry Bitumen Primer

Underlayer

Bauder G4E

Heavy-duty, torch-applied elastomeric bitumen, 4 mm thick.

Capping sheet

K5E

Torch-applied, heavy-duty elastomeric bitumen, mica-finished capping sheet, 5 mm thick. No UV protection; only suitable for applications where it is totally covered. Not for exposed roofs. Not for use with green roof systems.

K5K, Brown

Torch-applied, heavy-duty elastomeric bitumen; mineral-finished capping sheet, 5.2 mm thick. Not for use with green roof systems.

K5K, Charcoal Grey

Torch-applied, heavy-duty elastomeric bitumen; mineral-finished capping sheet, 5.2 mm thick. Not for use with green roof systems.

K5K, Natural Slate

Torch-applied, heavy-duty elastomeric bitumen; mineral-finished capping sheet, 5.2 mm thick. Not for use with green roof systems.

Insulation -
Type

Bauder JFRI (200) HP Inverted Flatboard

Bauder JFRI (200) Tapered board

Bauder JFRI (300) Inverted Flatboard

Bauder JFRI (300) Tapered board

Bauder XPS GG (300) Inverted Flatboard

Bauder XPS GG (500) Inverted Flatboard

Bauder XPS GG (700) Inverted Flatboard

Thickness

Insert requirement.

Water Flow Reducing Layer/ Vapour Permeable Membrane

Bauder JFRI WFRL

Flexible and breathable sheet of polypropylene strands randomly spun-bound together, supplied as part of the JFRI Inverted Insulation system to minimize water flow through and below the insulation, therefore improving thermal performance.

Bauder XPS WFRL

Flexible and breathable geotextile membrane of polypropylene strands randomly spun-bound together, supplied as part of the Bauder XPS GG Inverted Insulation system to minimize water flow through and below the insulation, therefore improving thermal performance.

Accessories

See 'Options below and insert requirements.

Standard product features

Primer:

Contact Bauder to confirm substrate suitability if required.

Underlayer:

- Bauder G4E:

A 4 mm, heavy-duty, torch-applied elastomeric bitumen underlayer with a strong woven glass reinforcement to provide an extremely high tensile strength.

  • Width: 1 m.
  • Length: 7.5 m.
  • Thickness: 4 mm.
  • Surface finish: top: mica; bottom: thermofusible polyethylene.
  • Weight: 4.8 kg/m².
  • Reinforcement: 200 g/m² woven glass.
  • Tensile strength: ≥1200 N/50 mm (length and diagonal).
  • Heat stability: +110°C.
  • Cold bending test: -30°C.
  • Elongation at break: ≥2% (length and diagonal).

Product Options

Capping sheet:

- K5E:

Torch-applied, heavy-duty, elastomeric bitumen, mica-finished capping sheet, 5 mm thick. Features a spun-bound polyester reinforcement to allow the finished product to cope with structural movement without fracture. Its mica finish means that it has no integrated UV protection, therefore is only suitable for applications where it will be covered with hard landscaping such as pavers or promenade tiles.

  • Width: 1 m.
  • Length: 5 m.
  • Thickness: 5 mm.
  • Weight: 5.8 kg/m².
  • Surface: top: mica; bottom: thermofusible polyethylene.
  • Reinforcement: 250 g/m² recycled, spun-bound polyester.
  • Cold bending test: -30°C.
  • Softening point: >110°C.
  • Tensile strength: Length >800 N/50 mm; transverse >800 N/50 mm.
  • Elongation at break: Length >40%; transverse >40%.

- K5K:

Torch-applied, heavy-duty elastomeric bitumen; mineral-finished capping sheet, 5.2 mm thick. Features a spun-bound polyester reinforcement to allow the finished product to cope with structural movement without fracture, and a mineral finish to provide protection against UV degradation. Expandable graphite fire-retardant is also incorporated to reduce spread of flame, and the product is available in a choice of three colours.

  • Width: 1 m.
  • Length: 5.2 m.
  • Thickness: 5 mm.
  • Weight: 6.5 kg/m² (charcoal grey); 6 kg/m² (natural slate, brown).
  • Surface: top mineral chippings.
  • Bottom: thermofusible polyethylene.
  • Reinforcement: 250 g/m² spun-bound polyester.
  • Cold bending test: -36°C.
  • Softening point: >120°C.
  • Tensile strength: length >1000 N/50 mm; transverse >1000 N/50 mm.
  • Elongation at break: length >45%; transverse >45%.

Insulation:

- JFRI (200) HP Inverted Insulation Flatboard:

A range of flat, high-performance, rigid expanded polystyrene insulation boards, designed specifically for inverted roof applications.

  • Type: high-performance, rigid expanded polystyrene insulation boards.
  • Facing: unfaced.
  • Colour: Grey.
  • Density: >30 kg/m³.
  • Standard board size: 1215 x 1215 mm (including 15 mm rebate).
  • Board thickness: 50 mm, 60 mm, 100 mm, 120 mm, 130 mm, 135 mm, 140 mm, 150 mm, 160 mm, 165 mm, 175 mm, 180 mm, 185 mm, 195 mm, 200 mm, 205 mm, 210 mm, 220 mm, 225 mm, 230 mm, 235 mm, 240 mm.
  • Thermal conductivity: declared 0.031 W/m·K; design 0.035 W/m·K (may vary, dependent on thickness specified).
  • Compressive strength: >0.20 N/mm² with 10% nominal compression.
  • Ozone depletion potential (ODP): zero.
  • Global warming potential (GWP): <5 kg CO2 Eq./Kg.
  • Recyclability: 100%.

JFRI (200) Inverted Insulation Tapered:

A range of tapered high performance rigid expanded polystyrene insulation boards designed specifically for inverted roof applications.

  • Type: high-performance, rigid expanded polystyrene insulation boards.
  • Facing: unfaced.
  • Colour: white.
  • Density: >30 kg/m³.
  • Standard board size: 1200 x 600 mm.
  • Board thickness: contact Bauder for options.
  • Thermal conductivity: declared 0.033 W/m·K; design 0.038 W/m·K (may vary, dependent on thickness specified).
  • Compressive strength: >0.20 N/mm² with 10% nominal compression.
  • Ozone depletion potential (ODP): zero.
  • Global warming potential (GWP): <5 kg CO2 Eq./Kg.
  • Recyclability: 100%.

JFRI (300) Inverted Insulation Flatboard:

A range of flat, high-performance, rigid expanded polystyrene insulation boards, designed specifically for inverted roof applications.

  • Type: high-performance, rigid expanded polystyrene insulation boards.
  • Facing: unfaced.
  • Colour: white.
  • Density: >40 kg/m³.
  • Standard board size: 1215 x 1215 mm (including 15 mm rebate).
  • Board thickness: 50 mm, 60 mm, 70 mm, 80 mm, 90 mm, 100 mm, 120 mm, 130 mm, 135 mm, 140 mm, 150 mm, 160 mm, 180 mm, 185 mm, 195 mm, 200 mm, 205 mm, 210 mm, 220 mm, 225 mm, 230 mm, 235 mm, 240 mm.
  • Thermal conductivity: declared 0.033 W/m·K; design 0.038 W/m·K (may vary, dependent on thickness specified).
  • Compressive strength: >0.30 N/mm² with 10% nominal compression.
  • Ozone depletion potential (ODP): zero.
  • Global warming potential (GWP): <5 kg CO2 Eq./Kg.
  • Recyclability: 100%.

JFRI (300) Inverted Insulation Tapered:

A range of tapered, high-performance, rigid expanded polystyrene insulation boards, designed specifically for inverted roof applications.

  • Type: high-performance, rigid expanded polystyrene insulation boards.
  • Facing: unfaced.
  • Colour: white.
  • Density: >40 kg/m³.
  • Standard board size: 1200 x 600 mm.
  • Board thickness: contact Bauder for options.
  • Thermal conductivity: declared 0.033 W/m·K; design 0.038 W/m·K (may vary, dependent on thickness specified).
  • Compressive strength: >0.30 N/mm² with 10% nominal compression.
  • Global warming potential (GWP): <5 kg CO2 Eq./Kg.
  • Recyclability: 100%.

Bauder XPS GG (300) Inverted Insulation Flatboard:

A range of flat, high-performance, rigid extruded polystyrene insulation boards.

  • Type: high-performance, rigid extruded polystyrene insulation boards.
  • Facing: smooth, self-finished.
  • Density: 30 kg/m³.
  • Standard board size: 1250 x 600 mm.
  • Board thickness: 30 mm, 40 mm, 50 mm, 60 mm, 70 mm, 80 mm, 100 mm, 120 mm, 140 mm.
  • Thermal conductivity: 30 mm: 0.034 W/m·K; 40–50 mm: 0.035 W/m·K; >50 mm: 0.036 W/m·K.
  • Compressive strength: 0.30 N/mm².
  • Ozone depletion potential (ODP): zero.
  • Global warming potential (GWP): <1 kg CO2 Eq./Kg.

Bauder XPS GG (500) Inverted Insulation Flatboard:

A range of flat, high-performance, rigid extruded polystyrene insulation boards.

  • Type: high-performance, rigid extruded polystyrene insulation boards.
  • Facing: smooth, self-finished.
  • Density: 35 kg/m³.
  • Standard board size: 1250 x 600 mm.
  • Board thickness: 40 mm, 50 mm, 60 mm, 70 mm, 80 mm, 100 mm, 120 mm, 140 mm.
  • Thermal conductivity: 40–60 mm: 0.034 W/m·K; >60 mm: 0.036 W/m·K.
  • Compressive strength: 0.50 N/mm².
  • Ozone depletion potential (ODP): zero.
  • Global warming potential (GWP): <1 kg CO2 Eq./Kg.

Bauder XPS GG (700) Inverted Insulation Flatboard:

A range of flat, high-performance, rigid extruded polystyrene insulation boards.

  • Type: high-performance, rigid extruded polystyrene insulation boards.
  • Facing: smooth, self-finished.
  • Density: 45 kg/m³.
  • Standard board size: 1250 x 600 mm.
  • Board thickness: 40 mm, 50 mm, 60 mm, 70 mm, 80 mm, 100 mm, 120 mm, 140 mm.
  • Thermal conductivity: 40–60 mm: 0.034 W/m·K; >60 mm: 0.036 W/m·K.
  • Compressive strength: 0.70 N/mm².
  • Ozone depletion potential (ODP): zero.
  • Global warming potential (GWP): <1 kg CO2 Eq./Kg.

Water flow reducing layer (Vapour permeable membrane):

- Bauder JFRI WFRL:

Supplied as part of the JFRI Inverted Insulation system to minimize water flow through and below the insulation.

  • Width: 3 m.
  • Length: 100 m.
  • Thickness: 0.45 mm.
  • Weight: 0.1 kg/m².
  • Colour: black.

- Bauder XPS WFRL:

Supplied as part of the XPS GG Inverted Insulation system to minimize water flow through and below the insulation.

  • Width: 3 m.
  • Length: 100 m.
  • Thickness: 0.17 mm.
  • Weight: 0.06 kg/m².
  • Colour: white.

Accessories:

- Bauder GRP Trim:

GRP roof edge trim for use with Bauder bituminous roof systems. Available in colours of either grey or black, and a choice of profiles to suit the requirements of most projects.

- Bauder Aluminium Termination Bar:

Natural finish aluminium alternative to a lead counterflashing for use at upstand details to give protection to the top edge of the waterproofing. It should be restricted to use on upstands where a chase cannot be cut into the wall.

- Bauder GRP Termination Bar:

Black glass reinforced plastic (GRP) alternative to a lead counterflashing for use at upstand details to give protection to the top edge of the waterproofing. It should be restricted to use on upstands where a chase cannot be cut into the wall.

- Bauder lightning conductors:

Lightning conductor clips are a specially designed secure clip that allows for movement.

  • Bauder Lightning conductor - Type 4: Polyvinyl chloride (PVC) coated or bare conductor.

- Bauder insulated rainwater outlets:

For maintaining thermal continuity at drainage points. Suitable for warm, cold and inverted roof construction, the high thermal value of the rigid foam body prevents condensation from forming on the underside of the outlet.

Designed for use when connecting to conventional drainage systems, with excellent flow rate performance and is suitable for both new build and refurbishment projects. Outlets are included in the Bauder waterproofing system guarantee as they are integrated components.

Flow rate figures (where applicable) are based on BS EN 12056:3:2000, typically taken using a 35 mm header of water including leaf grille:

  • Bauder Bitumen Compact Vertical Outlet DN100: insulated internal outlet, 6.1 L/s.
  • Bauder Bitumen Vertical Outlet DN70: insulated internal outlet, 7.1 L/s.
  • Bauder Bitumen Vertical Outlet DN150: insulated internal outlet, 7.2 L/s.
  • Bauder Bitumen Warm Roof Refurb Outlet DN63: insulated internal outlet, 6.1 L/s.
  • Bauder Bitumen Warm Roof Refurb Outlet DN90: insulated internal outlet, 5.7 L/s.
  • Bauder Bitumen Refurb Outlet DN95 – uninsulated straight drop outlet, designed to ensure that the maximum flow rate of the existing downpipe is not exceeded.
  • Bauder Bitumen Refurb Outlet DN125 – uninsulated straight drop outlet, designed to ensure that the maximum flow rate of the existing downpipe is not exceeded.
  • Bauder Insulated Parapet Outlet DN100, including preassembled pipe and dome grate: 0.6 L/s connected to external pipework; 0.7 L/s connected to external hopper.
  • Bauder Parapet Emergency Overflow Stainless Steel DN70: emergency overflow/ tell-tale.

- Bauder LiquiFIBRE Detailing Kit:

Fast curing waterproofing resin containing fibre reinforcement that can be used for detailing awkward shapes or inaccessible areas where using LiquiDETAIL is impractical. PMMA-based resin that requires a catalyst and is solvent, isocyanate and halogen free.

- Bauder LiquiDETAIL:

Cold liquid applied fast curing waterproofing resin that can be used on upstands and details. PMMA-based resin that requires the addition of catalyst to trigger curing and is solvent, isocyanate and halogen free.

- Bauder rooflights/ glazing/ ventilation:

All these glazing products are fully compatible with the roof waterproofing systems. Consult Bauder for details and insert requirements.

  • BauderDOME Rooflight.
  • Bauder Euroglaze Rooflight.
  • Bauder Special Modular Rooflight.
  • Bauder Continuous Rooflight.
  • Bauder Walk-on Rooflight.
  • Bauder Direct Glazing.
  • Bauder AOV.
  • Bauder Modular Link Glazing.
  • Bauder Structural Rooflight.
  • Bauder Fire Rated Rooflight.

- Hard landscaping/ Ballast options:

Consult Bauder for information.

Literature
Third party certifications
  • Certification - 10/4744
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