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Bauder Intensive Roof System, Hard Landscaping, Roadway System, Impermeable

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Bauder Ltd

Bauder Intensive Roof System, Hard Landscaping, roadway system, impermeable.

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+44 (0)1473 257671 Website

Application

Suitable as roof roadway system. When the roof structure allows, hard landscaping can be designed to allow for vehicular access and the associated dynamic higher weight loading (i.e. open public areas and access for emergency/ delivery vehicles).

Description

Bauder Intensive Roof System, Hard Landscaping, roadway system, impermeable.

When the roof structure allows, hard landscaping can be designed to allow for vehicular access and the associated dynamic higher weight loading (i.e. open public areas and access for emergency/ delivery vehicles).


Features and benefits:

  • Designed with a compressive strength of up to 1000 kN/m² when using BauderGREEN DSE40/ DSE60 Drainage Board.
  • Creates low-maintenance accessible spaces.
  • Versatile visual finish.
  • Finished paved surface can support free-standing planter held vegetation.
  • Assists in maximizing the building's potential.
  • Creates a moveable scheme if free-standing planters are utilized.
  • Low maintenance.

General information

Warranty description

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Manufacturer guidance

A comprehensive range of guarantee options are available. Please contact your local Bauder Area Technical Manager for more information.

Uniclass

Ss_45_40_47_40 Intensive green roof systemsPrimary

CAWS

Q37/110 Intensive green roof

Product range

Landscaping Systems

Specification data - Intensive green roof systems

Protection

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Protection layer

BauderGREEN FSM 1100 protection mat.

Guidance for specification option:

Heavy-duty protection layer constructed from polyester and polypropylene fibres. Laid on the Bauder PE Foil to protect the completed waterproofing from damage (not required for inverted roofs).

Normally installed under the entire green roof area but kept clear of all outlets and drainage trims. FSM mats should be lapped by 150 mm at all joints. Loose laid. Laps to be sealed by lightly heating overlap area with a propane gas torch/ hot air welding gun to melt the polypropylene fibres and then press seal the two fleece sheets together.

Sufficient protection fleece must be allowed for so that it may be installed to all abutment upstands and edge details, in accordance with the Bauder instructions. Extend to full height of the upstand and secure in place by using a lead or fabricated metal counter-flashing.

Should be trimmed well back from ALL outlets.

Openings in landscape restraint kerbs (where present – roof slopes above 5º), the protection layer should be cut away from the openings/ gaps to avoid impeding drainage.

  • Width: 2 m.
  • Length: 15 m
  • Thickness: 8 mm.
  • Coverage: 30 m².
  • Weight (saturated): 7.16 kg/m².
  • Material: Polyester and polypropylene fibre mix.

BauderGREEN GGM 6 rubber protection mat.

Guidance for specification option:

Bauder's Heaviest duty protection layer made from recycled shredded tyres. Laid on the Bauder PE Foil to protect the completed waterproofing from damage (not required for inverted roofs, not for use with PVC waterproof membranes/ Bauder Single Ply Thermofol PVC Roof system).

Normally installed under the entire green roof area but kept clear of all outlets and drainage trims.

Normally installed to provide access over waterproofing in heavily trafficked areas.

Pro-mat should be lapped by 150 mm at all joints. Loose laid. Where landscaping installation is not imminent, loose laps should be taped with gaffer tape to eliminate the trip hazard.

Sufficient protection fleece must be allowed for so that it may be installed to all abutment upstands and edge details, in accordance with the Bauder instructions. Extend to full height of the upstand and secure in place by using a lead or fabricated metal counter-flashing.

Should be trimmed well back from ALL outlets.

Openings in landscape restraint kerbs (where present – roof slopes above 5º), the protection layer should be cut away from the openings/ gaps to avoid impeding drainage.

  • Width: 1.25 m.
  • Length: 10 m.
  • Thickness: 6 mm.
  • Coverage: 12.5 m².
  • Weight (saturated/ dry): 4.3 kg/m².
  • Material: 100% recycled shredded rubber.

Separation layer

BauderGREEN PE 02 separation layer.

Guidance for specification option:

(Not required for inverted roofs).

Separation layer and slip layer to be rolled out loose over the completed waterproofing layer in two layers for Intensive landscaping. This product is only required for roofs with a fall between 0–3º (A slip layer is not necessary or advisable for slopes above 3º).

All laps to be 150 mm with care being taken to ensure that roll sides join between layers.

Upstands: Extend to top of growing medium. Sufficient foil must be allowed for to enable it to be taken up all upstand and edge details prior to installation of the protection layer.

  • Roll width: 4 m.
  • Roll length: 50 m
  • Thickness: ca. 0.2 mm.
  • Weight (saturated): 0.19 kg/m².
  • Material: Polyethylene foil manufactured from recycled granules

Slip layer

BauderGREEN PE 02 slip layer.

Guidance for specification option:

0.2 mm separation and slip layer, polyethylene foil. Loose laid on the completed waterproofing in two layers. (NB: Not required for inverted roofs or roofs over 3°).

Moisture control

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Drainage layer

BauderGREEN DSE 40 drainage board.

Guidance for specification option:

Ideal for higher levels of trafficking.

PE-HD water storage and multi-directional drainage layer. Used on roofs 0–5° finished falls. Loose laid (open profile cup up) on to the Protection Layer (or WFRL on inverted roofs) over completed waterproofing to provide continuous drainage within hard and soft landscaping. It is primarily used where the load is moderate to high, such as extensive and intensive green roofs. Its compressive strength makes it suitable beneath paving laid on sand/ cement or gravel bedding or within planter beds.

Boards are to be interlocked by a minimum of one profile cup and all board joints staggered. The ‘X’ stamped impression on the highpoint of the cup moulding indicates where boards overlap. Cut to fit closely around penetrations and outlets.

  • Size: 1.04 x 2.03 m (2.1 m²).
  • Nominal wall thickness: 2 mm.
  • Depth: 40 mm.
  • Coverage: 2 m² (approximate).
  • Filling capacity: 21 L.
  • Compressive strength: 80 kN/m² empty/ >1000 kN/m² aggregate filled.
  • Weight (concrete filled): circa 44 kg/m².
  • Material: 100% recycled high-density polyethylene.

The drainage/ water storage board also provides a suitable base surface for building concrete or brick kerbs/ walls. The specified infill haunching should be installed over the board to the required depth of cover, poured directly into the profile cup of the board. These should be constructed to provide an adequate support for the raised masonry planters.

BauderGREEN DSE 60 drainage board.

Guidance for specification option:

Ideal for heavy trafficking and higher weight loads.

PE-HD water storage and multi-directional drainage layer. Used on roofs 0–5° finished falls. Loose laid (open cups down) on to the Protection Layer (or WFRL on inverted roofs) over completed waterproofing to provide continuous drainage within hard and soft landscaping.

Provides a pressure resistant stable base for high loads or support for roof mounted equipment without compression to the drainage capacity. If DSE60 is filled with Bauder Mineral Drain, it provides a robust temporary finish able to accept site traffic, including vehicles.

Boards are to be tightly overlapped at the edges and staggered. Cut to fit closely around penetrations and outlets.

  • Size: 0.975 x 1.975 m (1.93 m²).
  • Nominal wall thickness: 2 mm.
  • Depth: 60 mm.
  • Coverage: 1.9 m² (approximate).
  • Water storage (when filled with Bauder Mineral Drain): 10–12 L.
  • Filling capacity: 33 L/m².
  • Compressive strength: 100 kN/m² empty/ >1000 kN/m² filled.
  • Weight (saturated and filled with Bauder Mineral Drain): 51.9 kg/m².
  • Material: 100% recycled high-density polyethylene.

The drainage/ water storage board also provides a suitable base surface for building concrete or brick kerbs/ walls. The specified infill haunching should be installed over the board to the required depth of cover, poured directly into the profile cup of the board. These should be constructed to provide an adequate support for the raised masonry planters.

Waterproofing

Bauder Total Green Roof System Roof Covering System.

Bauder Total Roof System Roof Covering System.

Bauderflex Green Roof System.

Bauderflex Roof System.

Bauder Bakor790-11 Hot Melt Rubberized Bitumen Roof Coating System.

Manufacturer guidance

To be fully specified separately.

Ensure that the designated roadway area has suitable insulation where required, capable of supporting the weight loadings associated with vehicular traffic.

Board fill layer

Reinforced concrete (by others).

Guidance for specification option:

Reinforced concrete sub-base (supplied and constructed by others).

Refer architects/ structural engineer’s plans and specification.

Depth: As specified by the architect or his nominated structural engineer.

Installation: The specified reinforcement should be installed over the board. Then the required depth of concrete cover poured directly into the cups of board to the specified thickness.

The depth of cover material above the board profile to be a minimum of 100 mm.

The specification for the concrete, type of reinforcement and all other elements – refer to the structural engineer’s plans and the specification.

If the roof fall is zero degrees, it is advisable to create the falls within the board fill layer, so rainwater run-off is directed to the outlets/ drainage point.

Bedding layer

2–5 mm, crushed and washed angular gravel aggregate (no fines), supplied by others.

Guidance for specification option:

Apply evenly over to provide a level finish. Depth to be a minimum of 30 mm, but not exceeding 50 mm. Provision should be made for containing the bedding layer at all abutments to ensure that loose gravel particles do not drop into the area beneath the drainage layer, where they may wash into the outlets i.e. use perforated aluminium retention angles or abutment kerbs.

Perimeter edge and abutment restraint: It is important that provision is made to support and retain the board fill and aggregate bedding layer within the construction at abutments, by adopting one or both of the following methods (dependent upon the nature of the construction).

1. Concrete kerb bedded in concrete off of the drainage board layer or perforated stainless steel or aluminium angle bolted together and inserted below the drainage layer.

2. Angles made from aluminium should be 1.5–2.5 mm or stainless steel 1–1.5 mm thickness should be used. The opposite side of the angle should be supported by a 20–40 mm pebble vegetation barrier of approximately the same depth as the landscape construction.

Surface finish

Paving supplied by others.

Guidance for specification option:

Paving slabs/ suitable pavers to be laid on to the specified bedding layer, as specified by the architect/ landscape designer and strictly in accordance with their specific recommendations regarding the layout in keeping with the landscape design.

Setting out: Minimize cutting.

Joints: Left open for drainage. The size of the joints to be in accordance with the client’s requirements. These open joints may be controlled by using either proprietary spacers or using suitable strips of cut tile of the correct thickness or similar, to control the gap size.

  • Joint Width: 8 mm.
  • Perimeter upstands: 8 mm.

Slabs must be level and stable.

Maximum Slope

5°.

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