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BauderHARDSCAPE Permeable Paving Hard Landscaping,

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Bauder Ltd

A roof system with hard landscaping, consisting of permeable paving.

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Application

Suitable for hard landscaping intensive green roof applications such as paving, where the anticipated loading is moderate to high (i.e. courtyard foot traffic and driveways for car access).

Description

Bauder Intensive hard landscaping roof system, consisting of permeable paving. This system is ideal for hard landscaping intensive green roof applications such as paving where the anticipated loading is moderate to high (i.e. courtyard foot traffic and driveways for car access).


Features and benefits:

  • Designed with a compressive strength of up to 1000 kN/m² when using BauderGREEN DSE 40/ DSE 60 Drainage and Protection Layer.
  • 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.
  • Can be low maintenance.

General 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 600 protection mat.

Guidance for specification option:

4 mm, heavy duty protection layer made from polyester and polypropylene fibres. Laid on the completed waterproofing to protect from damage. (NB: Not required for inverted roofs).

Heavy duty protection layer made 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: 30 m.
  • Thickness: 4 mm.
  • Coverage: 60 m².
  • Weight (saturated): 3.6 kg/m².
  • Material: Polyester and polypropylene fibre mix.

BauderGREEN FSM 1100 protection mat.

Guidance for specification option:

8 mm, heavy duty protection layer made from polyester and polypropylene fibres. Laid on the completed waterproofing to protect from damage. (NB: Not required for inverted roofs).

Heavy duty protection layer made 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 completed waterproofing 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

-

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 (approximately).
  • Water storage (when empty): 13.5 L.
  • Filling capacity: 21 L.
  • Compressive strength: 80 kN/m² empty/ >1000 kN/m² aggregate filled.
  • Weight (2–5 mm gravel and water filled): circa 40 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 should be tightly overlapped at the edges and staggered. Cut to fit closely around penetrations and outlets.

  • Size: 0.975 x 1.975 (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.

Filter membrane

BauderGREEN FV 125.

Guidance for specification option:

Fine mesh PP geotextile. Bauder Filter Fleece is used here to separate the board fill from the bedding layer. It prevents fine material from being washed out of the bedding layer into the board fill/ drainage layer.

Loose laid over the drainage layer. Fleece joints should be overlapped 150 mm. Fleece should not be taken over the top of drainage outlets.

Upstands (Hard landscaping): Extend to top of perimeter abutments and trim flush just below finished surface level.

  • Weight (saturated): 0.125 kg/m²
  • Pore size: 0.13 mm.
  • Roll size: 1 x 100 m/ 2 x 100 m.
  • Coverage: 100 m²/ 200 m².
  • Water storage: None.
  • Material: Polypropylene fleece.

Waterproofing

Bauder Total Green Roof System Roof Covering System.

Bauder Total Roof System Roof Covering System.

Bauderflex Green Roof System.

Bauderflex Roof System.

Bauder LiquiTEC Cold Liquid Applied Roof System.

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Manufacturer guidance

To be fully specified separately.

Board fill layer

2–5 mm crushed gravel.

Guidance for specification option:

Supplied by others.


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

Applied directly to the water storage/ drainage board, filling the profile cups to a level flush with the upper crowns of the board and eliminating any hollows. Allowance should be made for any settlement that may occur.

Depending on size and access of the project, the specified granular fill can be supplied by the manufacturer by various methods i.e. big bags, tipper truck or via a silo lorry pumping directly onto the roof area.

Prior to costing this element of the installation the 'Bauder Approved Contractor' should contact Bauder Ltd so that they may help to advice on the best solution, specific to any contract.

BauderGREEN SUB-MD UK mineral drain aggregate.

Guidance for specification option:

Lightweight, single size stone used in Bauder DSE60/ DSE40 Drainage and Protection Layer. This substrate provides an ecological drainage method for green roof systems. Additionally, it provides aeration qualities with some inherent water retention.

Applied directly to the water storage/ drainage board, filling the cellular troughs to a level flush with the upper crowns of the board and eliminating any hollows. Allowance should be made for any settlement that may occur.

Depending on size and access of the project, the specified granular fill can be supplied by the manufacturer by various methods i.e. big bags, tipper truck or via a silo lorry pumping directly onto the roof area.

Prior to costing this element of the installation the 'Bauder Approved Contractor' should contact Bauder Ltd so that they may help to advice on the best solution, specific to any contract.

  • Bulk bag size: 1.25 m³.
  • Small bag size: 25 kg.
  • Water storage: 8–10% by volume.
  • pH value: 7–9.
  • Weight (saturated): ≤1375 kg/m³.
  • Material: Single size crushed limestone.

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°.

Bedding layer

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

Guidance for specification option:

(To be installed over the Bauder Filter Fleece where Bauder Mineral Drain has been used as a board fill).

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.

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

Accessories

Not required.

BauderGREEN ER MR 150/60 linear drain and grill plate.

Guidance for specification option:

Bauder galvanized steel Linear Drainage System, is used to allow free drainage in key locations. The KH60 Drainage System is designed to be used around doorways, thresholds and changes in landscape finishes. The system is available with stop ends and connecting clips.

Normally installed onto the protection mat directly above waterproofing. Linear drains connectors to clip one length to another.

Drainage channels: Bauder KH60 linear drainage channel, channel sections, integral grille plate.

  • Material: Galvanized steel.
  • Thickness: 1.5 mm.
  • Height: 60 mm (including legs total height range: 75–120 mm).
  • Width: 150 mm.
  • Length: 1000 mm.
  • Supply form: 1 m lengths.

Connecting the drainage channels: Individual sections of Bauder KH60 channel should be joined using Bauder Connection Clips, with Bauder Stop Ends used where the drain terminates at abutments.

Installation:

On Gravel Support Bedding: The channel is to be fully supported on free draining crushed aggregate i.e. Bauder mineral drain. For levelling purposes, the Bauder KH60 channel sections are to be laid on a 30mm deep 2–5 mm crushed granular bedding layer and levelled as required finish flush with adjacent paving. Please note that the crushed aggregate materials below the linear drainage channels will have to be contained to prevent loss beneath the related drainage board product – either contained with Bauder Filter Fleece or retained using a perforated non-corroding metal support angle. Please note that these units are not suitable for supporting the weight of vehicular traffic.

BauderGREEN GA MR 250 / 400 access cover.

Guidance for specification option:

Required for maintenance access to rainwater outlets. Features removable grille plate, gravel guard surround and adjustable feet that are suitable for most situations.

  • Material: Galvanized steel.
  • Thickness: Varies.
  • Size: 250 x 250 mm/ 400 x 400 mm.
  • Height adjustment: 80–110 mm.
  • Supply form: Single cover

Literature

Green Roof Systems - Bauder Brochure

Green Roof Systems - Bauder Brochure

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