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Bauder Intensive Roof System, Hard Landscaping, Impermeable Screed Bedded Paving

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Bauder Ltd

A roof system with hard landscaping, impermeable screed bedded paving.

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Application

Suitable for hard landscaping intensive green roof applications such as decking and paving where the anticipated loading is moderate (i.e. foot traffic).

Description

A roof system with hard landscaping, impermeable screed bedded paving. This system is ideal for hard landscaping intensive green roof applications such as decking and paving where the anticipated loading is moderate (i.e. foot traffic).


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.
  • Free-standing planters can be relocated to suit visual design.
  • 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 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: 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 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 completed waterproofing to protect from damage. Do not use over PVC waterproof membranes (i.e. Bauder Single Ply Thermofol PVC Roof system). (NB: Not required for inverted roofs).

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 5°), 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 20 drainage board.

Guidance for specification option:

PE-HD 20 mm depth water storage and multi-directional drainage layer. Roofs pitched between 1–5°.

PE-HD water storage and multi-directional drainage layer. Used on roofs 1–5° 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, such as extensive green roofs, beneath paving laid on sand/ cement or gravel bedding or within planter beds.

Boards should be interlocked by a minimum of one profile cup and all board joints staggered. Cut to fit closely around penetrations and outlets.

  • Size: 1.06 x 2.36 m (2.5 m²).
  • Nominal wall thickness: 2 mm.
  • Depth: 20 mm.
  • Coverage: 2 m² (approximate).
  • Water storage: 7.4 L.
  • Weight (screed filled): circa 22 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 DSE40 drainage board.

Guidance for specification option:

40 mm deep, high-density polyethylene (PE-HD) water storage and multidirectional drainage layer. Roofs pitched between 0 and 5°.

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 (screed 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.

Waterproofing

Bauder Total Green Roof System Roof Covering Systemin.

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 / Bedding layer

Screed by others.

Guidance for specification option:

Type: As specified by the landscape designer/ architect.

Extent: To designated areas beneath concrete paving – See landscape designers/architect’s plan.

Installation: Apply directly into the profiled cups of the specified drainage board, spread evenly and then additionally to the required finished depth. Provision should be made for containing the bedding screed layer at all abutments to ensure that material does not drop or leech into the area beneath the drainage layer and wash through to the outlets i.e. bedded concrete abutment kerbs or similar. The waterproofing should be isolated from any direct contact with the screed.

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

Surface finish

Paving/ Block Paving supplied by others.

Guidance for specification option:

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

Setting out: Minimize cutting.

Joints: Grouted in accordance with the client’s requirements.

Slabs must be level and stable.

Maximum Slope

5°.

Accessories

Not required.

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

Guidance for specification option:

Bauder glavanised steel linear drainage system is used to all free drainage in key locations.

The BauderGREEN ER MR 150/60 linear drain and grill plate is designed to be used around doorways, thresholds and changes in landscape finishes. The system is available with a height adjustment kit, stop ends and connecting clips.

Normally installed onto the protection mat directly above waterproofing. Linear drains require a pair of feet at each end and connectors to clip one length to another.

Drainage channels: BauderGREEN ER MR 150/60 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 BauderGREEN ER MR 150/60 channel should be joined using Bauder Connection Clips, with Bauder Stop Ends used where the drain terminates at abutments.

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 BauderGREEN ER MR 150/60 channel sections are to be laid on a 30 mm 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. On adjustable legs: Leg sets are available allowing the linear drain channel total height to be adjusted between 75–120 mm. Please note that leg sets must be ordered separately.

These drainage channel units are perforated and designed to allow water to discharge at a controlled rate into the drainage layer below.

  • Bracket Material: Stainless steel.
  • Height adjustment (of legs): 15–60 mm.
  • Feet Material: Polyamide.
  • Supply form: Comprising of four feet (in two pairs) = 2 brackets.

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 is suitable for most situations.

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

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