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Excel® FM Warm Roof Flame Free Mechanically Fixed Single Layer System - Timber Roof Deck / Profile Metal Deck

Verified by manufacturer 4 days ago

Excel FM WR Mechanically Fixed Single Layer System - Timber Roof Deck

Axter Ltd Variant:
Third party certifications:
  • BBA Agrément Certificate

    BBA Agrément Certificate

    Certificate type

Single-layer, reinforced Alpa® polymer modified, self-finished, bitumen waterproofing membrane system. For constructions where naked flame is prohibited.

Jump to:
BOS
+44 (0)1473 724056 Website

Application

  • Suitable for repair and refurbish of existing roofs as a complete single overlay.
  • Suitable for large span industrial structures or areas where a naked flame is prohibited.

Description

Single-layer, reinforced Alpa® polymer modified, self-finished, bitumen waterproofing membrane system. For constructions where naked flame is prohibited.


The top surface is finished with coloured ceramic granules or mineral slate chippings, while the under surface is finished with a loose silicone film. Minimum selvedge width is 100 mm.


Features and benefits:

  • Suitable for use use as a flame free single layer waterproofing system, in a mechanically fixed application on flat, zero fall and pitched roofs.
  • Zero fall (inverted) and pitched roofs.
  • Approved for all structural deck types (concrete, metal, timber).
  • Ageing characteristics with laboratory accelerated ageing tests determined a service life in excess of 60 years.
  • Includes Air and Vapour Control Layers (AVCLs), tapered or flat board thermal insulation, underlayers and robust, versatile capsheets, self finished in a choice of colours to suit roof designs of differing complexity.
  • BBA approved, accepted by all third party building warranty providers such as LABC and NHBC.
  • Fully compliant with The Building Regulations and all relevant British and harmonized European standards.
  • Approved Document B: Fire Safety compliant.
  • Achieves fire rating EXT.F.AA when tested in accordance with BS 476 Part 3: 2004, incorporating Amendment 1: 2006 and Amendment 2: 2007.
  • ISO 9001 and 14001 accredited.


Application method:


  • Flame free using mechanical fastening technique to form a continuous layer, with self-adhesive laps and detailing.

General information

Color

Black

Guidance for specification option:

Charcoal.


Grey

Guidance for specification option:

Charcoal.


Finish

Mineral

Material

Bitumen

Guidance for specification option:

Alpa® mix polymer modified membrane.

Length

Bespoke

Width

Bespoke

Height

Bespoke

Warranty description

30 year

Guidance for specification option:

  • Excel achieves a 30 year insured system guarantee covering materials, design, workmanship and insolvency, and has a service life in excess of 60 years.

Material

Bitumen

Guidance for specification option:

Alpa® mix polymer modified membrane.

Uniclass

Ss_30_40_30_72 Reinforced bitumen membrane warm roof covering systemsPrimary

CAWS

J41/10 Reinforced bitumen membrane warm deck roof covering

J41/110 Built-up reinforced bitumen membrane warm deck roof covering

Product range

EXCEL®

Specification data - Reinforced bitumen membrane warm roof covering systems

Preparation

-

Horizontal work

Vernis SA Primer.

Guidance for specification option:

Fast-drying canister primer ideal for use with flame free, self-adhesive reinforced bitumen waterproofing systems. Vernis SA primer provides improved simple and effective adhesion on self-adhesive reinforced bitumen membrane waterproofing systems.

Air and vapour control layer

-

Type

VAP ALU ADH.

Guidance for specification option:

VAP-ALU ADH is an air and vapour control layer (AVCL) with sand on the surface and a self adhesive undersurface.

An AVCL low permeability membrane used as part of a system to control the movement of air, water vapour and heat leakage from within the building. Can also be used as base or underlayer in a multi-layer waterproofing system.

Insulation

-

Type

Hytherm FM.

Guidance for specification option:

Hytherm FM PIR is a high performance rigid PIR insulation for warm roofs (flat board or tapered) under mechanically fixed single-ply membranes. It is designed to provide optimum stability and structural integrity in warm roof constructions with mechanically-fixed single ply waterproof membranes on concrete, timber or metal decks.

Fixing

Hyrastik EVO.

Guidance for specification option:

Single-component, moisture-curing polyurethane insulation adhesive.

Waterproof covering

-

First layer

-

Type

Stickflex PY Peel Stop.

Guidance for specification option:

STICKFLEX PY Peel Stop is a self-adhesive, polyester reinforced 120g SBS elastomeric modified bituminous waterproofing membrane. Both surfaces of the membrane are covered with film. To be used as a peel stop membrane to resist wind load on upstands, skirtings, perimeters and penetrations. STICKFLEX PY Peel Stop is suitable for use in Neo-bitumen and Excel FM Flame Free warm roof waterproofing systems.

Top layer

-

Type

Excel Capping Sheet.

Guidance for specification option:

Reinforced Alpa Polymer, modfied self-finished bitumen waterproofing membrane. 


  • Width: 1 m.
  • Length: 8 m.
  • Weight: 5 kg/m².
  • Surface: top: Mineral slate or granules 100–1200 g/m²; bottom: thermofusible film 10 g/m².
  • Reinforcement binder: Alpa – mix 3800 g/m².
  • Cold bending test: ≤-14°C.
  • Softening point: ≥120°C.
  • Tensile strength: length 600 N/50 mm; transverse >600 N/50 mm.
  • Elongation at break: length >35%; transverse >35%.

Force 4000 Flame Free Capsheet.

Guidance for specification option:

FORCE 4000 Flame Free is a stabilised polyester reinforced, SBS elastomeric modified bitumen waterproofing membrane. Capsheet in FORCE NEO warm roof, self adhesive, multilayer bitumen membrane roof waterproofing system.

Attachment

Flame free hot air welded.

Manufacturer guidance

Installed fully or partially bonded with fully sealed joints, using the fastening techniques to form a continuous layer.

Detail work

-

Flashings

Stickflex PY Angle Reinforcement.

Guidance for specification option:

STICKFLEX PY is a self-adhesive, polyester reinforced 120g SBS elastomeric modified bituminous waterproofing membrane. Both surfaces of the membrane are covered with film. Angle reinforcement for application on upstands, as detail and perimeter detail reinforcement and as pipe and other detail reinforcement. STICKFLEX PY is suitable for use in bitumen and single ply warm roof waterproofing systems.

Skirtings and upstands

Stickflex PY Angle Reinforcement.

Guidance for specification option:

STICKFLEX PY is a self-adhesive, polyester reinforced 120g SBS elastomeric modified bituminous waterproofing membrane. Both surfaces of the membrane are covered with film. Angle reinforcement for application on upstands, as detail and perimeter detail reinforcement and as pipe and other detail reinforcement. STICKFLEX PY is suitable for use in bitumen and single ply warm roof waterproofing systems.

Ancillary items

Axtrim.

Guidance for specification option:

  • Manufactured from extruded aluminium alloy to BS 1474, Quality 6065/ T6 (AIMgSi 0.5 F22).
  • Roof edge trim brings a neat finish to flat roof waterproofing.


Axtrim aluminium termination bars.

Guidance for specification option:

  • Axtrim aluminium termination bars are manufactured from extruded aluminium alloy to BS 1474, Quality 6065/ T6 (AIMgSi 0.5 F22).
  • Aluminium termination bars will not rust and are not affected by atmospheric pollution.
  • They are colourfast and maintenance free, once installed.


Axtrim GRP termination bars.

Guidance for specification option:

  • Axtrim GRP termination bars are manufactured from pultruded GRP (glass reinforced polyester).
  • It is UV protected and has low coefficient of thermal expansion.
  • GRP termination bars will not rust and are not affected by atmospheric pollution.
  • They are colourfast and maintenance free, once installed.


Rainwater outlets.

Guidance for specification option:

  • Axter rainwater outlets are manufactured from 0.7 mm stainless steel in a choice of diameters, with a factory bonded flange, if required to provide a bonding area with the relevant Axter waterproofing system.
  • SBS bitumen membrane flange 500 mm square, suitable for use with the full range of Axter reinforced bitumen membrane (RBM) and hot melt structural waterproofing systems.
  • On the Dual Outlet, a bitumen flange is fitted at AVCL level. 
  • PVC membrane flange 350 mm square, suitable for use with Axter Ecoflex/ Ecoline PVC single ply waterproofing systems.

Sump outlet.

Guidance for specification option:

  • Specifically designed for through walls applications or parapets, where a high flow rate is required and are supplied with the Hyflow leaf guard as standard.
  • AXTER sump outlet has a flow rate of 6.1 L/s.
  • As recommended by UK design standard BS EN 12056: 3-2000, with a water depth of 35 mm.


Wide parapet outlet.

Guidance for specification option:

  • Used where an increased flow rate (2.02 L/s) is required.
  • A 90° pipe angle and extra-large leaf guards are also available to be used with this unit.


Universal leaf guard.

Guidance for specification option:

  • The solid stainless steel universal leaf guard clamps to the inside of the outlet stem.
  • Suits all sizes of rainwater outlets.


Parapet leaf guard.

Guidance for specification option:

The solid parapet leaf guard is attached to the inside of the outlet and is fully adjustable to fit all three parapet outlet sizes.

Hyflow leaf guard.

Guidance for specification option:

  • The 1.4301 (304) grade stainless steel Hyflow leaf guard is designed to be used with Axter rainwater outlets.
  • Its use increases flow rate by over 50% compared to standard leaf guards.


Surface protection

Self Protected Excel Capping Sheet.

System accessories

Lightning conductor clips.

Guidance for specification option:

  • Axter lightning conductor clips provide resilience and repellent characteristics, keeping them from fading and going brittle in sunlight.
  • Simple to install and are supplied as a one-piece unit.
  • Colour is dark grey.

Rooflights/ access hatches.

Guidance for specification option:

Consult manufacturer for details.

Solar PV Flex.

Guidance for specification option:

  • Flexible thin-film photovoltaic system combining CIGS (Copper Indium Gallium Selenide) panels bonded to Axter waterproofing membrane Axter SOLAR PVFLEX flexible.
  • Thin-film photovoltaic system is a lightweight integrated solution, where the solar PV module and the waterproofing are combined, and the PV module is secured to the roof system without the need for mechanical restraint and penetration of the waterproofing layer.

Execution

-

Manufacturer guidance

Where required installed to a zero fall or laid to falls. All in accordance with the manufacturer’s guidance, third party certification and British Standard documentation BS 6229: 2018. The structural deck must be clean and dry with moisture content below 6%. The deck should be cleaned ensuring the removal of all dust and loose material using approved methods. Please refer to Axter Ltd substrate preparation document for further guidance.

System completion

Interim and final roof inspections by AXTER Quality Assurance (QA) personnel. Final roof inspections by AXTER Quality Assurance (QA) personnel are mandatory for guarantee application.

Certification

BBA approved, accepted by all third party building warranty providers such as LABC and NHBC. Fully compliant with The Building Regulations and all relevant British and harmonized European standards.

Structure

Timber Roof Deck.

Manufacturer guidance

  • Reinforced bitumen membranes should only be applied over a continuous substrate which provides full support.
  • Support structure materials used to form the roof deck in flat roofs should be those listed in BS 6229: 2018, and conform to the relevant requirements in BS 8217: 2005.

Underlayer

Hyranger Spot ADH.

Guidance for specification option:

Self-adhesive, stabilized polyester, reinforced SBS 

elastomeric modified bitumen waterproofing membrane. The under surface is covered with a peel-off film. The under surface and side lap are self-adhesive.

  • Width: 1 m.
  • Length: 10 m.
  • Thickness (finished product): 2.65 mm.
  • Surface finish (bottom): Thermofusible polyethylene.
  • Weight (nominal roll weight): 31.6 kg.
  • Tensile strength: ≥1200 N/50 mm (length and diagonal).
  • Heat stability: +100°C.
  • Cold bending test: ≤-14°C.
  • Elongation at break: ≥2% (length and diagonal).

Fire performance

Unrestricted to NBR – Part B and Broof(t4) to BS EN 13501-5: 2005.

Guidance for specification option:

Classified unrestricted by the requirements of Part B of the National Building Regulations and deemed Broof(t4) in accordance with BS EN 13501-5:2005 fire classification of construction products and building elements.

Finish layer

Bonded surface decorative aggregates.

Loose surfacing decorative aggregates.

Reinforced bitumen roofing sheets.

Pavers on supports.

Dalle Ceramic Tiles on Axter adjustable paving supports.

Show more

Finish:

Capping surface top: Mineral slate or granules, Capping surface bottom: Thermofusible film, Underlayer bottom: Thermofusible polyethylene.

Sustainability data

Material

Bitumen

Guidance for specification option:

Alpa® mix polymer modified membrane.

Recyclability

Guidance for specification option:

100% of polymer modified bitumen membrane production waste is recycled and taken for re-use in the manufacture of asphalt.

Manufacturer guidance

  • The products comprise bituminous compounds, mineral aggregates and glass /polyester, which can be recycled.
  • 100% recyclable except for aluminium membranes ( the aluminum would have to be removed).
  • They can either be burned to recuperate the energy produced, or ground down to add them into membranes or shingles or into roads.

Recycled content

As defined in clause 7.8 of BS EN ISO 14021

10 %

Guidance for specification option:

Minimum content

BIM objects

BOS

NBS BIM Object Standard

This BIM object has been authored to meet the requirements of the NBS BIM Object Standard.

Find out more about the NBS BIM Object Standard.

Platform Compatible Version
IFC
-

1

Revit
-

1

Third party certifications

BBA Agrément Certificate

BBA Agrément Certificate

94/3037 - Axter Excel Roof Waterproofing System

Case studies

Abingdon Primary School

Abingdon Primary School

Bath Riverside

Bath Riverside

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