Verified by manufacturer 2 months ago
Excel FM WR Mechanically Fixed Single Layer System - Timber Roof Deck
BBA Agrément Certificate
Certificate type
Single-layer, reinforced Alpa® polymer modified, self-finished, bitumen waterproofing membrane system. For constructions where naked flame is prohibited.
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:
Application method:
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:
Manufacturer guidance |
Uniclass | |
CAWS | J41/10 Reinforced bitumen membrane warm deck roof covering J41/110 Built-up reinforced bitumen membrane warm deck roof covering |
Product range |
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.
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 guidanceInstalled 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:
Axtrim aluminium termination bars.Guidance for specification option:
Axtrim GRP termination bars.Guidance for specification option:
Rainwater outlets.Guidance for specification option:
Sump outlet.Guidance for specification option:
Wide parapet outlet.Guidance for specification option:
Universal leaf guard.Guidance for specification option:
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:
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Surface protection | Self Protected Excel Capping Sheet. |
System accessories | Lightning conductor clips.Guidance for specification option:
Rooflights/ access hatches.Guidance for specification option: Consult manufacturer for details. Solar PV Flex.Guidance for specification option:
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Execution | Manufacturer guidanceWhere 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
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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.
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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. |
Finish: | Capping surface top: Mineral slate or granules, Capping surface bottom: Thermofusible film, Underlayer bottom: Thermofusible polyethylene. |
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
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Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 10 % Guidance for specification option: Minimum content |
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 |
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