derbigum - alumascroofing.com
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• Derbigum Black • Derbigum Mineral• Derbigum AR (root-resistant)
Membrane Options
4321
*System layer variants are also available.
ENVI
RO
NMENTALLY FOCUSSED
Ref: SSDS-RBM001 Issued:01/07/21 +44 (0)1744 648400 technical@alumascroofing.com www.alumascroofing.com
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DERBIGUM
• New Build• Refurbishment• Cold roofs•Warmroofs(allroofinginsulations)•Overlayofexistingwaterproofingsystems• Inverted roofs• Buried membrane applications incl. hard/green roofs•Compatiblewithallconventionalroofingsubstrates
When to Specify
DerbigumHighPerformanceRoofingSystemscomprisesofpremiumrangeofreinforcedAPPpolymermodifiedbituminouswaterproofingmembranes, underlays, insulation boards and air and vapour control layers (AVCL). Derbigum has a proven track record since 1967 and issubjecttothehighestlevelsofcertificationandtesting.Usingavarietyofinstallationmethodsandbuild-upssystemsaredesignedtomeettheindividualrequirementsofeveryprojectforuseacrossallbuildingsectorsinbothrefurbishmentandnew-buildroofingandwaterproofingprojects.
Typical Torch-On Assembly4 Derbigum Mineral*
3 Torch-OnUnderlay
2 PIRInsulation(typeBGT)orClassAfireratedalternative
PUInsulationAdhesive
1 Euroroof Torch-On AVCL
Alumasc Bitumen Primer
BBACertified-Wheninstalledonstablesubstratesandregularly maintained, the system will have a life in excess of 40 years.
Typical Safe2Torch Assembly4 Derbigum Mineral*
3 Self-AdhesiveUnderlay
Eurofoof SA Primer
2 PIRInsulation(typeGTF)orClassAfireratedalternative
PUInsulationAdhesive
1 Self-Adhesive AVCL
Euroroof SA Primer
Durability
4 Derbigum Mineral/Derbigum Black
3 TorchOn/Self-AdhesiveUnderlay
2 PIRInsulationorClassAfireratedalternative
PUInsulationAdhesive
1 Existingwaterproofing
3 Derbigum Mineral/Derbigum Black
2 Torch-On/Self-AdhesiveUnderlay
Primer, type according to substrate
1 Existingwaterproofing
6 Derbigum Mineral/Derbigum Black
5 Torch-On/Self-AdhesiveUnderlay
4 PIR Insulation overlay
PUInsulationAdhesive
3 Vtherm vacuum insulation panel (VIP)
PUInsulationAdhesive
2 3mm Rubber Crumb Mat
PUAdhesive
1 Air & Vapour Control Layer, type according to the substrate
Alumasc Primer, type according to AVCL
4321
321
654321
NB. Air & Vapour Control Layer may be required, subject to condition oftheexistingwaterproofing.
Ref: SSDS-RBM001 Issued:01/07/21 +44 (0)1744 648400 technical@alumascroofing.com www.alumascroofing.com
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Other Common System TypesDERBIGUM
Insulated Overlay of Existing Waterproofing
Cold Overlay of Existing Waterproofing
Warm Roof Incl. Vacuum Insulated Panel
7 Blackdown Specialist Substrate
6 Blackdown Drainage Layer & Filter Sheet
5 Blackdown Moisture Retention Fleece
4 Derbigum AR
3 Torch-On/Self-AdhesiveUnderlay
2 PIRInsulationorClassAfireratedalternative
PUInsulationAdhesive
1 Air & Vapour Control Layer, type according to the substrate
Alumasc Primer, type according to AVCL
Warranties
76
4321
54321
5
5 Surfacefinishesofchoice
4 LO-k Water Flow Reducing Layer (WFRL)
3 XPSInsulationorClassAfireratedalternative
2 Derbigum Black/Derbigum AR (for green roofs)
1 Torch-On/Self-AdhesiveUnderlay
Primer, type according to the substrate
Ref: SSDS-RBM001 Issued:01/07/21 +44 (0)1744 648400 technical@alumascroofing.com www.alumascroofing.com
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DERBIGUMOther Common System Types
Warm Roof with Green Roof
Alumasc offers a comprehensive range of single-source warranty options for up to 35 Years. Installed exclusively by Registered Contractors and underpinned by Alumasc’s extensive project support service, Alumasc warranties cover product, workmanship, and design.
Inverted Roof
Technical Support
86/1593
•BBARoofingMembranesCertificateNo.86/1593•BBARoofingSystemsCertificateNo.18/5563•FireclassificationofBROOF (t4) in accordance with BS EN 13501-5
Approvals
AlumascTechnicalServicescanadviseonallaspectsofproductselection,specificationandintegrationofAlumascsystemsintoany building design.
CERTIFICATE 18/5563
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