Summary
This environmentally friendly Warm Roof system is suitable for new build, refurbishment, and green roof projects. A range of membrane variants are available to cater for different fixing methods.
This environmentally friendly Warm Roof system is suitable for new build, refurbishment, and green roof projects. A range of membrane variants are available to cater for different fixing methods.
This environmentally friendly Warm Roof system is suitable for new build, refurbishment, and green roof projects. A range of membrane variants are available to cater for different fixing methods.
Application
The membranes are suitable for direct exposure to weathering and can be used to waterproof unventilated and ventilated flat roofs, pitched roofs, green roofs, terraces, balconies, roof gardens, as well as for the waterproofing of underground garages and lining of tanks.
The membranes are suitable for direct exposure to weathering and can be used to waterproof unventilated and ventilated flat roofs, pitched roofs, green roofs, terraces, balconies, roof gardens, as well as for the waterproofing of underground garages and lining of tanks.
The membranes are suitable for direct exposure to weathering and can be used to waterproof unventilated and ventilated flat roofs, pitched roofs, green roofs, terraces, balconies, roof gardens, as well as for the waterproofing of underground garages and lining of tanks.
Description
This warm roof waterproofing system based around the Koster TPO single-ply roofing membrane is suitable for a wide range of applications including new build, refurbishment of existing buildings or overlay of existing systems and is the ideal base for a green roof.
Other elements incorporated into this system include the Koster Vapour Barrier FR and depending on the selected variant, different adhesives and primers will also be used. According to the extensive fire testing carried out on this system, any PIR or PUR insulation board may be specified alongside this system.
This strong, robust, environmentally friendly and 100% recyclable membrane does not contain PVC or any other harmful chemicals therefore it will not contaminate water or planting, nor will it degrade over time.
It also offers excellent application characteristics, flexibility, longevity and is formulated for easy and uncomplicated jointing of the seams due to a wide welding temperature window.
Features and benefits:
- Does not contaminate groundwater.
- Completely UV stable.
- Resistant to root and rhizome penetration.
- Does not contain non-molecularly bound plasticizers.
- Low maintenance.
- Rot-proof.
- Compatible with bitumen and polystyrene.
- Acid and kerosene resistant.
- Resistant against microorganisms and rodent attacks.
- Customizable colours available (subject to minimum order quantity).
- Recyclable and safe for health, water, soil and plants.
- Free from softeners and chlorine.
- Roll length: 20 m.
- Can be used to directly overlay a failed PVC, Bitumen or PVC membrane without the need to strip the old roof.
Full project specific details and drawings are available from the manufacturer to support the specification. For further support, or if an insurance-backed guarantee is required, contact the manufacturer's technical team.
This warm roof waterproofing system based around the Koster TPO single-ply roofing membrane is suitable for a wide range of applications including new build, refurbishment of existing buildings or overlay of existing systems and is the ideal base for a green roof.
Other elements incorporated into this system include the Koster Vapour Barrier FR and depending on the selected variant, different adhesives and primers will also be used. According to the extensive fire testing carried out on this system, any PIR or PUR insulation board may be specified alongside this system.
This strong, robust, environmentally friendly and 100% recyclable membrane does not contain PVC or any other harmful chemicals therefore it will not contaminate water or planting, nor will it degrade over time.
It also offers excellent application characteristics, flexibility, longevity and is formulated for easy and uncomplicated jointing of the seams due to a wide welding temperature window.
Features and benefits:
- Does not contaminate groundwater.
- Completely UV stable.
- Resistant to root and rhizome penetration.
- Does not contain non-molecularly bound plasticizers.
- Low maintenance.
- Rot-proof.
- Compatible with bitumen and polystyrene.
- Acid and kerosene resistant.
- Resistant against microorganisms and rodent attacks.
- Customizable colours available (subject to minimum order quantity).
- Recyclable and safe for health, water, soil and plants.
- Free from softeners and chlorine.
- Roll length: 20 m.
- Can be used to directly overlay a failed PVC, Bitumen or PVC membrane without the need to strip the old roof.
Full project specific details and drawings are available from the manufacturer to support the specification. For further support, or if an insurance-backed guarantee is required, contact the manufacturer's technical team.
This warm roof waterproofing system based around the Koster TPO single-ply roofing membrane is suitable for a wide range of applications including new build, refurbishment of existing buildings or overlay of existing systems and is the ideal base for a green roof.
Other elements incorporated into this system include the Koster Vapour Barrier FR and depending on the selected variant, different adhesives and primers will also be used. According to the extensive fire testing carried out on this system, any PIR or PUR insulation board may be specified alongside this system.
This strong, robust, environmentally friendly and 100% recyclable membrane does not contain PVC or any other harmful chemicals therefore it will not contaminate water or planting, nor will it degrade over time.
It also offers excellent application characteristics, flexibility, longevity and is formulated for easy and uncomplicated jointing of the seams due to a wide welding temperature window.
Features and benefits:
- Does not contaminate groundwater.
- Completely UV stable.
- Resistant to root and rhizome penetration.
- Does not contain non-molecularly bound plasticizers.
- Low maintenance.
- Rot-proof.
- Compatible with bitumen and polystyrene.
- Acid and kerosene resistant.
- Resistant against microorganisms and rodent attacks.
- Customizable colours available (subject to minimum order quantity).
- Recyclable and safe for health, water, soil and plants.
- Free from softeners and chlorine.
- Roll length: 20 m.
- Can be used to directly overlay a failed PVC, Bitumen or PVC membrane without the need to strip the old roof.
Full project specific details and drawings are available from the manufacturer to support the specification. For further support, or if an insurance-backed guarantee is required, contact the manufacturer's technical team.
Product certifications
Digital objects
Color
Grey, Other
Grey, Other
Grey, Other
Finish
Matt
Matt
Matt
Material
Thermoplastic elastomer (TPE), Polyolefin
Thermoplastic elastomer (TPE), Polyolefin
Thermoplastic elastomer (TPE), Polyolefin
Shape
Rectangle
Rectangle
Rectangle
Length
20000 mm
20000 mm
20000 mm
Width
Bespoke
Bespoke
Bespoke
Height
Bespoke
Bespoke
Bespoke
Warranty description
20 year
20 year
20 year
SKU Code
RT 820, RT 820 F, RT 815 SK
RT 820, RT 820 F, RT 815 SK
RT 820, RT 820 F, RT 815 SK
Specification
Preparation
-
-
-
Horizontal work
Bonded or partially bonded cementitious levelling screed system., Construction joint sealants., Marine plywoods., Non-bituminous primers., Oriented strand boards., Softwood sections., Softwood roofing and cladding battens.
Bonded or partially bonded cementitious levelling screed system., Construction joint sealants., Marine plywoods., Non-bituminous primers., Oriented strand boards., Softwood sections., Softwood roofing and cladding battens.
Bonded or partially bonded cementitious levelling screed system., Construction joint sealants., Marine plywoods., Non-bituminous primers., Oriented strand boards., Softwood sections., Softwood roofing and cladding battens.
Skirtings and vertical work
Marine plywoods., Non-bituminous primers., Oriented strand boards., Softwood sections., Softwood roofing and cladding battens., Cement-gauged mortars.
Marine plywoods., Non-bituminous primers., Oriented strand boards., Softwood sections., Softwood roofing and cladding battens., Cement-gauged mortars.
Marine plywoods., Non-bituminous primers., Oriented strand boards., Softwood sections., Softwood roofing and cladding battens., Cement-gauged mortars.
Lower protection layer
Glass fibre fleeces., Plastics sheets.
Glass fibre fleeces., Plastics sheets.
Glass fibre fleeces., Plastics sheets.
Air and vapour control layer
-
-
-
Type
Koster Vapour Barrier FR., Existing waterproof covering., Reinforced bitumen roofing sheets., Plastics sheets.
Koster Vapour Barrier FR., Existing waterproof covering., Reinforced bitumen roofing sheets., Plastics sheets.
Koster Vapour Barrier FR., Existing waterproof covering., Reinforced bitumen roofing sheets., Plastics sheets.
Attachment
Not applicable (self-adhesive)., Bitumen-based bonding compounds., Non-bitumen-based bonding compounds., Polyurethane (PUR) adhesives., Koster TPO SK Primer., Koster KBE Liquid Film.
Bitumen-based bonding compounds., Non-bitumen-based bonding compounds., Koster TPO SK Primer., Koster KBE Liquid Film.
Bitumen-based bonding compounds., Non-bitumen-based bonding compounds., Polyurethane (PUR) adhesives., Koster TPO SK Primer., Koster KBE Liquid Film.
Insulation
-
-
-
Type
Cellular glass insulation boards., Polyisocyanurate (PIR) foam boards., Polyurethane (PUR) foam boards.
Cellular glass insulation boards., Polyisocyanurate (PIR) foam boards., Polyurethane (PUR) foam boards.
Cellular glass insulation boards., Polyisocyanurate (PIR) foam boards., Polyurethane (PUR) foam boards.
Attachment
Non-bitumen-based bonding compounds., Polyurethane (PUR) adhesives., Washers., Wood screws.
Non-bitumen-based bonding compounds., Polyurethane (PUR) adhesives., Washers., Wood screws.
Non-bitumen-based bonding compounds., Polyurethane (PUR) adhesives., Washers., Wood screws.
Separating layer
Glass fibre fleeces., Plastics sheets.
Glass fibre fleeces., Plastics sheets.
Glass fibre fleeces., Plastics sheets.
Waterproof covering
-
-
-
Type
RT 820 thermoplastic polyolefin (TPO) membrane.
RT 820 F fleece-backed thermoplastic polyolefin (TPO).
Thermoplastic polyolefin (TPO).
Attachment
Not required (loose laid)., Koster Contact Adhesive., Mechanical fix.
Koster PUR membrane adhesive., Koster 2C PUR membrane adhesive., Mechanical fastening through overlap., Loose laid with perimeter fixing.
Self adhesive.
Joints
Hot-air welded.
Hot-air welded.
Hot-air welded.
Accessories
Not required., Koster laminate metal sheet., Koster pre-formed external corners., Koster pre-formed internal corners., Koster roof outlets., Koster top hats., Koster tube washers and fixing screws., Koster TPO U unreinforced membrane; 2mm., Koster cold roof vents., Koster maintenance walkway mat., Koster round corner patch., Koster STER pipe flashings., Koster TPO metal composite coil., Koster waterspout parapet drainage outlets., Koster TPO SK primer.
Not required., Koster laminate metal sheet., Koster pre-formed external corners., Koster pre-formed internal corners., Koster roof outlets., Koster top hats., Koster tube washers and fixing screws., Koster TPO U unreinforced membrane; 2mm., Koster cold roof vents., Koster maintenance walkway mat., Koster round corner patch., Koster STER pipe flashings., Koster TPO metal composite coil., Koster waterspout parapet drainage outlets., Koster TPO SK primer.
Not required., Koster laminate metal sheet., Koster pre-formed external corners., Koster pre-formed internal corners., Koster roof outlets., Koster top hats., Koster tube washers and fixing screws., Koster TPO U unreinforced membrane; 2mm., Koster cold roof vents., Koster maintenance walkway mat., Koster round corner patch., Koster STER pipe flashings., Koster TPO metal composite coil., Koster waterspout parapet drainage outlets., Koster TPO SK primer.
Upper protection layer
Glass fibre fleeces., Plastics sheets.
Glass fibre fleeces., Plastics sheets.
Glass fibre fleeces., Plastics sheets.
Surface protection
Loose surfacing decorative aggregates., Surface treatment fine aggregates., Clay paving tiles., Concrete flags., Plastics pavers., Koster adjustable pedestal supports.
Loose surfacing decorative aggregates., Surface treatment fine aggregates., Clay paving tiles., Concrete flags., Plastics pavers., Koster adjustable pedestal supports.
Loose surfacing decorative aggregates., Surface treatment fine aggregates., Clay paving tiles., Concrete flags., Plastics pavers., Koster adjustable pedestal supports.
Additional properties
Mass per unit area
1930 g/m² in accordance with DIN EN 1849-2.
2215 g/m² in accordance with DIN EN 1849-2.
1780 g/m² in accordance with DIN EN 1849-2.
Watertightness
10 kPa/24h watertight, in accordance with DIN EN 1928 (Method B).
10 kPa/24h watertight, in accordance with DIN EN 1928 (Method B).
10 kPa/24h watertight, in accordance with DIN EN 1928 (Method B).
ExposureClass
Exposure to liquid chemicals, including water, in accordance with DIN EN 1847: Passed (Method B). Exposure to bitumen, in accordance with DIN EN 1548: Passed.
Exposure to liquid chemicals, including water, in accordance with DIN EN 1847: Passed (Method B). Exposure to bitumen, in accordance with DIN EN 1548: Passed.
Exposure to liquid chemicals, including water, in accordance with DIN EN 1847: Passed (Method B). Exposure to bitumen, in accordance with DIN EN 1548: Passed.
Reaction to fire
Exposure to external fire, in accordance with DIN CEN/TS 1187; DIN 4102-7 and DIN EN 13501-5: Broof (t4).
Exposure to external fire, in accordance with DIN CEN/TS 1187; DIN 4102-7 and DIN EN 13501-5: Broof (t4).
Exposure to external fire, in accordance with DIN CEN/TS 1187; DIN 4102-7 and DIN EN 13501-5: Broof (t4).
PhysicalPropertiesWeatheringResistance
Resistance to hail, in accordance with DIN EN 13583: Rigid substrate: ≥25 m/s. Soft substrate: ≥40 m/s.
Resistance to hail, in accordance with DIN EN 13583: Rigid substrate: ≥25 m/s. Soft substrate: ≥40 m/s.
Resistance to hail, in accordance with DIN EN 13583: Rigid substrate: ≥25 m/s. Soft substrate: ≥40 m/s.
Resistance
Manufacturer's standard.
Manufacturer's standard.
Manufacturer's standard.
TensileStrength
≥7 N/mm² (Method B), in accordance with DIN EN 12311-2.
≥7 N/mm² (Method B), in accordance with DIN EN 12311-2.
≥7 N/mm² (Method B), in accordance with DIN EN 12311-2.
Flexibility at low temperature
≤-50°C, folding at low temperatures, in accordance with DIN EN 995-5.
≤-50°C, folding at low temperatures, in accordance with DIN EN 995-5.
≤-50°C, folding at low temperatures, in accordance with DIN EN 995-5.
Dimensional stability:
≤-0.2%, in accordance with DIN EN 1107-2.
≤-0.2%, in accordance with DIN EN 1107-2.
≤-0.2%, in accordance with DIN EN 1107-2.
UV resistance
UV stable. Behaviour under UV irradiation, elevated temperatures, and water, in accordance with DIN EN 1297 (1000 h): Passed: Level 0.
UV stable. Behaviour under UV irradiation, elevated temperatures, and water, in accordance with DIN EN 1297 (1000 h): Passed: Level 0.
UV stable. Behaviour under UV irradiation, elevated temperatures, and water, in accordance with DIN EN 1297 (1000 h): Passed: Level 0.
Standard
CE marked to EN 13956 0761-CPR-0422.
CE marked to EN 13956 0761-CPR-0422.
CE marked to EN 13956 0761-CPR-0422.
Performance characteristics
Manufacturer's standard.
Manufacturer's standard.
Manufacturer's standard.
Third-party certification
Manufacturer's standard.
Manufacturer's standard.
Manufacturer's standard.
Width (minimum)
250 mm., 525 mm., 1050 mm., 1500 mm.
1500 mm., 1050 mm.
1050 mm.
Minimum
2 mm.
2.0 mm.
1.5 mm.
Colour
Light grey (RAL 9018)., Slate grey (RAL 7018)., Other.
Light grey (RAL 9018)., Slate grey (RAL 7018)., Other.
Light grey (RAL 9018)., Slate grey (RAL 7018)., Other.
Sustainability data
Contains Red List materials
No
No
No
Country of material origin
Germany
Germany
Germany
Country of product manufacture
Germany
Germany
Germany
Recyclability
100%
100%
100%
Recycled content
5 %
5 %
5 %