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Living Roofs Information Brochure
An introduction to our range of living roofs.
2013
GUARANTEED ASPHALT LIMITED
Guaranteed Asphalt Limited 2 Mercury Way,
London,
SE14 5RR,
020 7277 8773
www.guaranteedasphalt.com
TABLE OF CONTENTS
Living Roof Systems Overview ............................. 1
GuaraBROWN ........................................................ 2
......................................................... 3
........................................................... 4
GuaraINTENSIVE ...................................................... 5
GuaraGREEN
GuaraDIVERSE
Living Roof Systems
GuaraBROWN Roofing
Because brown roofs usually utilise local soil
and spoil to provide the substrate for the roof,
the roof will often initially be brown in colour.
However, over time plant species will grow
over this substrate and the end result will be a
green-coloured roof - albeit one that nature
has had a large hand in "designing."
GuaraDIVERSE Roofing
Similar to brown roofs, bio-diverse roofs
encourage the growth of local plants and
provide a perfect habitat for insects, birds
and other local wildlife.
This can provide necessary shelter for
endangered species that would otherwise
be displaced by building works.
GuaraGREEN Roofing
Extensive green roofs offer an attractive
looking roof finish, but without the need for
irrigation or maintenance.
We offer a range of planting options to
compliment the building and its surroundings
GuaraINTENSIVE Roofing
Unlike the Extensive Green Roof, this option
will provide an immediate, beautiful roof
garden but this comes at a maintenance
cost plus the possible need for water
irrigation to keep the roof looking as vibrant
as when it is first installed.
1
GuaraBROWN
Detailed Description
Features:
Designed for extensive brown roofs with a build-up of 70-150mm
The material is mixed and bagged off site
Suitable for large scale areas, uneven or more complicated decks as it is flexible and
‘built into’ the existing structure
Product Guidance
Drainage Layer:
GuaraDRAIN drainage sheet
Thickness = 6-15mm
Can be cut and shaped around particular details
Geotextile Filter Fleece:
Recycled multi-coloured polyester
Weight = 300 g/m2
Laid above and below drainage layer
Low Nutrient Growing Medium:
Crushed brick/rubble (60-80%)
Locally sourced marine aggregate and grit (5-10%)
Growing medium (10-20%)
Wood mulch (10-20%)
Vegetation:
A basic sedum, wildflower seeds are planted with native/local plants
A natural sustainable habitat can be created
Very low maintenance and no irrigation required
Opportunities to recycle site waste in substrate (this must be tested prior to being
used as GuaraBROWN Roofing System)
Maximum Roof Slope:
15o
Product Specification
Manufacturer:
- Name: Guaranteed Asphalt Ltd
- Email: [email protected]
- Product Reference: Component Brown Roof System
- Drainage Layer: GuaraDRAIN (6-15mm)
- Growing Medium: Low Nutrient
- Fertiliser: Not Required
(Required: Sedum/wildflower blanket or plug
planted shrubs, wildflower seed mix)
- Vegetation: Sedum/wildflower mix
- Vegetation Barrier 20-40mm washed pebbles
GuaraMET retainer
- Outlet Inspection Chamber GuaraSPECT inspection chamber (500 x 500 x
100mm)
2
GuaraGREEN Sedum/Wildflower Green Roof System
Detailed Description
Features:
Designed for sedum/wildflower blanket and plug & plant system with a build-up of
70-150mm
The substrate is mixed and bagged off site
Suitable for large scale areas, level or more complicated decks as it is flexible and
‘built into’ the existing structure
Product Guidance
Drainage Layer:
GuaraDRAIN retention layer
Thickness = 15/20mm
Can be cut and shaped around particular details
Geotextile Filter Fleece:
Recycled multi-coloured polyester
Weight = 300 g/m2
Laid above and below drainage layer
Growing Medium:
Growing medium (50mm thick)
Plug & plant wildflower/sedum mixes
Sedum blanket (30mm thick)
Wildflower blanket (30mm thick)
Vegetation:
Plug & plant wildflower/sedum mixes
A natural sustainable habitat can be created
Very low maintenance and no irrigation (once fully established)
Maximum Roof Slope:
15o
Product Specification
Manufacturer:
- Name: Guaranteed Asphalt Ltd
- Email: [email protected]
- Product Reference: Component GuaraGREEN Sedum/Wildflower
Green Roof System
- Drainage Layer: GuaraDRAIN (15/20mm)
- Growing Medium: High Nutrient
- Fertiliser: Not Required
- Vegetation: Sedum/wildflower mix
- Vegetation Barrier 20-40mm washed pebbles
GuaraMET edge retainer
- Outlet Inspection Chamber GuaraSPECT inspection chamber (500 x 500 x
100mm)
3
GuaraDIVERSE
Detailed Description
Features:
Designed for extensive/biodiverse green roof system with a build-up of 70-150mm
The substrate is mixed and bagged off site
Suitable for large scale areas, uneven or more complicated decks as it is flexible and
‘built into’ the existing structure
Product Guidance
Drainage Layer:
GuaraDRAIN retention layer
Thickness = 15/20mm
Can be cut and shaped around particular details
Geotextile Filter Fleece:
GuaraFLEECE Recycled multi-coloured polyester
Weight = 300 g/m2
Laid above and below drainage layer
Growing Medium:
12-75mm crushed brick/rubble (60-80%)
Locally sourced marine aggregate & grit (5-10%)
Growing medium (10-20%)
Wood mulch (10-20%)
Vegetation:
Sedum/wildflower seeds are planted with native/local plants
A natural sustainable habitat can be created using laps
Very low maintenance and no irrigation required
Opportunities to recycle site waste in substrate (this must be tested prior to being
used within the GuaraGREEN Roofing System)
Maximum Roof Slope:
15o
Product Specification
Manufacturer:
- Name: Guaranteed Asphalt Ltd
- Email: [email protected]
- Product Reference: Component GuaraGREEN Extensive/Biodiverse
Green Roof System
- Drainage Layer: GuaraDRAIN (15/20mm)
- Growing Medium: Low Nutrient
- Fertiliser: Not Required
- Vegetation: Sedum/wildflower mix
- Vegetation Barrier 20-40mm washed pebbles
GuaraMET edge retainer
- Outlet Inspection Chamber GuaraSPECT inspection chamber (500 x 500 x
100mm)
4
GuaraINTENSIVE
Detailed Description
Features:
Designed for sedum/wildflower blanket and plug & plant system with a build-up of
70-150mm
The substrate is mixed and bagged off site
Suitable for large scale areas, level or more complicated decks as it is flexible and
‘built into’ the existing structure
Product Guidance
Drainage Layer:
GuaraDRAIN retention layer
Thickness = 20mm
Can be cut and shaped around particular details
Geotextile Filter Fleece:
Recycled multi-coloured polyester
Weight = 300 g/m2
Laid above and below drainage layer
Growing Medium:
Growing medium (50mm thick)
Plug & plant wildflower/sedum mixes
Sedum blanket (30mm thick)
Wildflower blanket (30mm thick)
Vegetation:
Plug & plant wildflower/sedum mixes
Intensive maintenance and irrigation required
Maximum Roof Slope:
15o
Product Specification
Manufacturer:
- Name: Guaranteed Asphalt Ltd
- Email: [email protected]
- Product Reference: Component GuaraGREEN Sedum/Wildflower
Green Roof System
- Drainage Layer: GuaraDRAIN (20mm)
- Growing Medium: High Nutrient
- Fertiliser: Dependant on vegetation
- Vegetation: Sedum/wildflower mix
- Vegetation Barrier 20-40mm washed pebbles
GuaraMET edge retainer
- Outlet Inspection Chamber GuaraSPECT inspection chamber (500 x 500 x
100mm)
Barratt Homes, Putney Square
5