NBS Source
I'm a manufacturer
Compare variants

Excel® FM Warm Roof Mechanically Fixed Single Layer System - Timber Roof Deck/ Profiled Metal Deck

Verified by manufacturer 4 days ago

Excel FM WR System Single Layer - 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 large span structures.

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.

Description

Single-layer, reinforced Alpa® polymer modified, self-finished, bitumen waterproofing membrane system, suitable for large span structures.


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:

  • Mechanical fastening with torch-on/ hot air welding to form a continuous layer.
  • Zero fall (inverted) and pitched roofs.
  • Approved for all substrates (concrete slab, profiled metal deck and timber deck).
  • 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:



  • Mechanical fastening to form a continuous layer with torch-on/ hot air welded 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:

  • We offer four levels of guarantee and a range of guarantee periods depending on the system specification and client requirement

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.

Application method is by spray guns, 5x faster than traditional roller applied primer. Spray canisters and hoses are reusable.


  • Average consumption: 250 m²/canister.
  • Drying time: 5-10 minutes.

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. 



  • Width: 1 m.
  • Length: 8 m.
  • Weight: 3.1 kg/m².


Insulation

-

Type

Hytherm BF.

Guidance for specification option:

Designed to provide optimum stability and structural integrity.



  • Type: Fibre-free, rigid polyisocyanurate (PIR).
  • Facing: Top: coated glass tissue facing on one side. Underside: bitumen glass tissue with polypropylene fleece.
  • Standard board sizes:1200 x 600 mm.
  • Standard board thickness: 30mm – 150 mm.
  • Thermal conductivity: 0.26W/m.K - 0.024W/m.K.
  • Compressive strength: >150kPa at 10% compression.


Fixing

Hyrastik EVO.

Guidance for specification option:

Single-component, moisture-curing polyurethane insulation adhesive.

Waterproof covering

-

Top layer

-

Type

Excel FM Capping Sheet.

Guidance for specification option:

Torch-applied, 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: Peel off silicone film 40 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%.

Attachment

Mechanically fixed.

Manufacturer guidance

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

Detail work

-

Flashings

35 PY Angle Reinforcement.

Guidance for specification option:

  • 35 PY ANGLE REINFORCEMENT is a polyester reinforced SBS elastomeric membrane.
  • Minimal thickness is 3.5 mm.

Hyranger Spot ADH.

Skirtings and upstands

35 PY Angle Reinforcement.

Guidance for specification option:

Polyester reinforced SBS elastomeric membrane. 



  • Minimal thickness is 3.5 mm.
  • 10 x 0.25 m with an average weight of 11 kg .
  • 10 x 0.33 m with an average weight of 15 kg.


Axter 35 PY Angle Reinforcements fully bonded in accordance with Axter Ltd recommendations.

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 FM 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 TS CPV.

Guidance for specification option:

HYRANGER TS CPV is a stabilised polyester reinforced SBS elastomeric modified bitumen waterproofing membrane.


  • Width: 1 m.
  • Length: 10 m or 7 m.
  • Weight: 3.6 kg/m².
  • Tensile strength: 400 N/50 mm (length), 275 N/50 mm (diagonal).
  • Heat stability: +100c Cold bending test: -16c.


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

Sustainability data

Contains Red List materials

No

Country of material origin

-

Manufacturer guidance

Various locations

Country of product manufacture

Europe

Material

Bitumen

Guidance for specification option:

Alpa® mix polymer modified membrane.

Embodied carbon

A1-A3 (production stage) as defined in BS EN 15804

10 kg CO₂ eq/m²

Recyclability

Guidance for specification option:

Usually 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.
  • Usually 100% recyclable except for aluminum 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

-

Manufacturer guidance

The recycled content in PVC products is not declared. 

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
Revit
-

1

IFC
-

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

Similar products from Axter Ltd

Excel Warm Roof Single Layer System - Concrete Roof Slab (In-situ/ Pre-cast) / Timber Roof Deck / Profiled Metal Deck

Excel Warm Roof Single Layer System - Concrete Roof Slab (In-situ/ Pre-cast) / Timber Roof Deck / Profiled Metal Deck

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

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

Excel® Solar PV Flex Warm Roof Multi-Layer System (In-situ/ Pre-cast) / Timber Roof Deck / Profiled Metal Deck

Excel® Solar PV Flex Warm Roof Multi-Layer System (In-situ/ Pre-cast) / Timber Roof Deck / Profiled Metal Deck

Excel® Warm Roof Multi Layer System - Concrete Roof Slab (In-situ/ Pre-cast) / Timber Roof Deck / Profiled Metal Deck

Excel® Warm Roof Multi Layer System - Concrete Roof Slab (In-situ/ Pre-cast) / Timber Roof Deck / Profiled Metal Deck

Force ADH Flame Free Warm Roof Multi Layer - Concrete Slab (In-Situ/Precast) / Timber Roof Deck / Profiled Metal Deck

Force ADH Flame Free Warm Roof Multi Layer - Concrete Slab (In-Situ/Precast) / Timber Roof Deck / Profiled Metal Deck

Force ADH Flame Free Warm Roof Single Layer - Concrete Slab (In-situ/Precast) / Profiled Metal Deck / Timber Roof Deck

Force ADH Flame Free Warm Roof Single Layer - Concrete Slab (In-situ/Precast) / Profiled Metal Deck / Timber Roof Deck

Force Neo-Bitumen Flame Free Warm Roof Multi Layer System - Concrete Slab (In-Situ/Precast) / Timber Roof Deck / Profiled metal Deck

Force Neo-Bitumen Flame Free Warm Roof Multi Layer System - Concrete Slab (In-Situ/Precast) / Timber Roof Deck / Profiled metal Deck

Force Warm Roof Multi Layer - Concrete Slab (In-situ/ Precast)/ Timber Roof Deck/ Profiled Metal Deck

Force Warm Roof Multi Layer - Concrete Slab (In-situ/ Precast)/ Timber Roof Deck/ Profiled Metal Deck