BBA Agrément Certificate
Certificate type
Bitumen warm roof system, incorporating torch-on bitumen capping sheet, with torch-on bitumen underlayer, insulation and torch-on bitumen air and vapour control layer (AVCL).
Two-layer, torch-applied, warm roof, bitumen membrane waterproofing system, suitable for both new build and refurbishment applications.
Key features:
Benefits:
Uniclass 2015 | |
CAWS | J41/10 Built-up reinforced bitumen membrane warm deck roof covering J41/110 Built-up reinforced bitumen membrane warm deck roof covering |
Product Reference | Bauderflex Reinforced Bitumen Membrane Warm Roof Covering System Torch Applied |
Primer | Bauder Quick Dry Bitumen Primer |
Air and vapour control layer | Bauder EVA 35Robust, torch-applied, styrene-butadiene-styrene (SBS)-modified bitumen, 3.5 mm thick. |
Insulation | - |
Type | BauderGLAS FlatboardCan only be used with PU Insulation Adhesive – twin cartridge or mechanically fixed. BauderGLAS TaperedCan only be used with PU Insulation Adhesive – twin cartridge or mechanically fixed. BauderROCK FlatboardCan only be used with PU Insulation Adhesive – twin cartridge or mechanically fixed. BauderVIP 60 mm FlatboardBauderVIP 80 mm FlatboardPIR FA Tapered board 1:60PIR FA-TE Flatboard |
Thickness | Insert requirement. |
Adhesive | Foil Contact Adhesive – CanisterPU Insulation Adhesive – TinNot for foil-to-foil applications (e.g. FA-TE to FA-TE). PU Insulation Adhesive – Twin cartridge |
Underlayer | Bauder EGV3.5Torch-applied, styrene-butadiene-styrene (SBS)-modified bitumen, 3.5 mm thick. |
Capping sheet | K4E, BrownTorch-applied, high-performance, elastomeric bitumen, mineral-finished capping sheet, 4.2 mm thick. Not for use with green roof systems. K4E, Charcoal GreyTorch-applied, high-performance, elastomeric bitumen, mineral-finished capping sheet, 4.2 mm thick. Not for use with green roof systems. K4E, Natural SlateTorch-applied, high-performance, elastomeric bitumen, mineral-finished capping sheet, 4.2 mm thick. Not for use with green roof systems. X4STorch-applied, high-performance, elastomeric bitumen, mica-finished capping sheet, 4.2 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. |
Accessories | See 'Options' below and insert requirements. |
Standard product features | Primer: Contact Bauder to confirm substrate suitability if required. Air and vapour control layer: - Bauder EVA 35: A robust, torch-applied, styrene-butadiene-styrene (SBS) elastomeric bitumen air and vapour control layer, featuring a tear-resistant aluminium foil lining for vapour impermeability. Once installed, the product provides a temporary waterproofing layer, allowing internal works to be carried out immediately.
Underlayer: - Bauder EGV3.5: A 3.5 mm-thick, torch-applied elastomeric bitumen underlayer with glass fibre reinforcement.
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Product Options | Insulation: - BauderGLAS Flatboard or Tapered: Cellular glass insulation, suitable for projects that require a high level of compressive strength and/ or to be non-combustible.
- BauderROCK Flatboard or Tapered: Mineral fibre insulation suitable for projects that require a high level of sound reduction, and/ or to be non-combustible, and have a zero GWP and ODP rating.
- BauderVIP 60 mm Flatboard:
- BauderVIP 80 mm Flatboard:
- PIR FA Tapered board 1:60: A range of tapered, closed cell, polyisocyanurate (PIR) insulation boards.
- PIR FA-TE Flatboard: A range of flat, closed cell, polyisocyanurate (PIR) insulation boards.
Capping sheet: - K4E: Torch-applied, high-performance, elastomeric bitumen, mineral-finished capping sheet, 4.2 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.
- X4S: Torch-applied, high-performance, elastomeric bitumen, mica-finished capping sheet, 4.2 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.
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 specially designed secure clips that allow for movement.
- 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 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:
- BauderSOLAR Photovoltaic Mounting System: Bauder Flat roof PV mounting solution for framed solar modules. The mounting units are secured to the roof using a membrane-to-membrane welding technique. This installation method means that the roof is not compromised by penetrations for fixings; nor is it ballasted, which would add additional weight loading to the roof. Specifically designed to be installed on Bauder bituminous or single ply waterproofing systems, and provide a lightweight, low-risk and quick-to-install mounting solution for framed solar modules. - 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.
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