Verified by manufacturer 3 months ago
BBA Agrément Certificate
Certificate type
Bitumen membrane warm roof covering system for ballasted roofs.
Flat roofs.
Bitumen membrane warm roof covering system for ballasted roofs. Consisting of SikaBit component products.
System components:
Can be covered with min 50 mm thick concrete paving (by others) or a minimum 50 mm thick 20–40 mm, well-rounded river-washed stone ballast (by others).
Color | Black |
Finish | Textured |
Material | Bitumen |
Shape | Rectangle |
Size | Roll size for cap sheets. |
LengthRoll size for cap sheets. | 6000 mm |
Width | 1000 mm |
Uniclass | |
CAWS | J41/10 Reinforced bitumen membrane warm deck roof covering J41/400 Built-up reinforced bitumen waterproof covering |
Preparation | - |
Horizontal work | SikaRoof® Primer-600 UK.One-part ready to use primer. Sika® Primer 610 Spray.Spray applied primer for use with sika self-adhered AVCL and carrier membranes. |
Skirtings and vertical work | SikaRoof® Primer-600 UK.One-part ready to use primer. Sika® Primer 610 Spray.Spray applied primer for use with sika self-adhered AVCL and carrier membranes. |
Air and vapour control layer | - |
Type | SikaBit® VB SA-724.Self-adhesive air vapour control layer, aluminium reinforced, flexible at -25 °C. |
Attachment | Self adhesive. |
Insulation | - |
TypeDelete where appropriate. | Sikatherm® PIR GT Insulation.PIR glass tissue faced thermal insulation board. Sikatherm® PIR GT Tapered Insulation.PIR glass tissue faced thermal insulation board. Sikatherm® MW DD Insulation.Mineral wool thermal insulation board. Sikatherm® MW DD Tapered Insulation.Mineral wool thermal insulation board. |
FixingDelete where appropriate. | Sika® C-250 Spray.Spray Applied Insulation Adhesive for Sika‐Trocal® Roofing Systems. SikaRoof® Adhesive-200.Polyurethane foam adhesive for bonding roofing insulation boards. |
Waterproof covering | - |
First layer | - |
Type | SikaShield® E74 PE SA 3 mm.3 mm Elastomeric bituminous roof membrane, self-adhesive, flexible at -25°C. |
Attachment | Self adhesive. |
Top layer | - |
Type | SikaBit® Pro [T/SA]-940 G UK.4 mm elastomeric & plastomeric bituminous hybrid roof membrane, with a mineral granule finish. |
AttachmentDelete where appropriate. | Torch on.Self adhesive. |
Detail work | - |
FlashingsIn accordance with Sika Limited standard details and Technical guidance. | - |
Skirtings and upstandsIn accordance with Sika Limited standard details and Technical guidance. | - |
Welted dripsIn accordance with Sika Limited standard details and Technical guidance. | - |
Ancillary items | SikaBit® Roof GRP Edge Trims.SikaBit® Roof Drain.SikaBit® Roof Lightning Conductor Clip.SikaPad® Paving Support Pads.SikaBit® Roof Scupper.SikaBit® Roof Overflow.SikaBit® Pro Roof Walkway.SikaRoof® SOTER® II Fall Protection System.SikaRoof® Highfix.SikaRoof® Light. |
ExecutionIn accordance with Sika Limited specification. | - |
System completionIn accordance with Sika Limited specification. | - |
Surface finish | Minimum 50 mm thick concrete paving slabs (by others). Minimum 50 mm thick 20–40 mm well-rounded river washed stone ballast (by others). |
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.
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