Verified by manufacturer 2 months ago
Excel FM WR System Single Layer - Timber Roof Deck
BBA Agrément Certificate
Certificate type
Single-layer, reinforced Alpa® polymer modified, self-finished, bitumen waterproofing membrane system. For large span structures.
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:
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. Application method is by spray guns, 5x faster than traditional roller applied primer. Spray canisters and hoses are reusable.
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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.
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Insulation | |
Type | Hytherm BF.Guidance for specification option: Designed to provide optimum stability and structural integrity.
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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.
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Attachment | Mechanically fixed.Manufacturer guidanceInstalled 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:
Hyranger Spot ADH. |
Skirtings and upstands | 35 PY Angle Reinforcement.Guidance for specification option: Polyester reinforced SBS elastomeric membrane.
Axter 35 PY Angle Reinforcements fully bonded in accordance with Axter Ltd recommendations. |
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 FM 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 TS CPV. Guidance for specification option: HYRANGER TS CPV is a stabilised polyester reinforced SBS elastomeric modified bitumen waterproofing membrane.
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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. |
Contains Red List materials | No |
Country of material origin | Manufacturer guidanceVarious locations |
Country of product manufacture | Europe |
Material | Bitumen Guidance for specification option: Alpa® mix polymer modified membrane. |
Embodied carbonA1-A3 (production stage) as defined in BS EN 15804 | 10 kg CO₂ eq/m² Self declared |
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
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Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | Manufacturer guidanceThe recycled content in PVC products is not declared. |
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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- | 1 | |
- | 1 |