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Outback Flat Roof

Create an attractive and functional outdoor living area that will enhance your home and lifestyle with the smooth, simple, uncluttered lines of the classic Stratco Outback Flat Roof. This versatile Flat Roofing system can be configured to cover any area around the home.

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Adapt the versatile Stratco Outback Flat Roof to suit your lifestyle

The Stratco Outback Flat Roof system is extremely versatile and can be configured to cover any area around the home.

It is ideal as a single unit or can be incorporated with a gable roof, curved roof, or pergola system for extra cover.

Available as a freestanding structure or attached to the home, it can be used as a carport, verandah or patio.

With the addition of Outback Rooflite, you can supply filtered light to the underside.

The beams can span up to 8.4 metres and are available in either 120mm or 150mm sizes.

Four configurations – Giving you choice and control

There are four Stratco Outback Flat Roof configurations to choose from:

  • Type 1 Has a 4.5 metre maximum span and only requires an outside beam to support the structure. However most units use perimeter beams on all sides to provide the best appearance.
  • Type 2 Is the same as Type 1, but also has an overhang at the front to increase the covered area to 5.4 metres.
  • Type 3 Has support beams across its span so roofing sheets can run horizontally for a different appearance.
  • Type 4 Has extra support beams and a purlin through the middle to give a span of 8.4 metres.

Simple to install – Ideal DIY project

Uncomplicated by design, the Stratco Outback Flat Roof is an ideal do it yourself project.

Everything is supplied as a complete package and all assembly instructions are provided.

Maximum Spans

Flat Outback attached – maximum span (s) in mm

Wind
Speed

Type 1A
120 or 150
Beam

Type 2A
120 or 150
Beam

Type 3A

Type 4A

120
Beam

150
Beam

120
Beam

150
Beam

N1 (W28)

4500

4500

7200

8400

6000

8400

N2 (W33)

4500

4500

7200

8400

6000

8400

W36N

4500

4500

7200

8400

6000

8400

N3, C1 (W41)

4500*

4500*

7200

8400

6000

8400

N4, C2 (W50)

4500*

4500*

6000*

8400

6000

8400*

W55C

2700

3000

5400

7800

6000

6600

C3 (W60)

2700†

2700

4800

4800

5400

6600

* Applies to non-cyclonic designs only.

† Height limited to 2400mm.

 

Flat Outback freestanding – maximum span (s) in mm

Wind
Speed

Type 1F
120 or 150
Beam

Type 2F
120 or 150
Beam

Type 3F

Type 4F

120
Beam

150
Beam

120
Beam

150
Beam

N1 (W28)

4500

4500

7200

8400

6000

8400

N2 (W33)

4500

4500

7200

8400

6000

8400

W36N

4500

4500

7200

8400

6000

8400

N3, C1 (W41)

4500*

4500*

7200*

8400

6000

8400*

N4, C2 (W50)

4500*

4500*

6000*

7200*

6000

7200*

W55C

3300

3300

4800

6000

5400

6000

C3 (W60)

3000

3000

4200

5400

5100

6000

* Applies to non-cyclonic designs only.

Outback Flat Connection Details

 Flat Attached

Flat FreestandingComponents

Fixing Details

For Non-Cyclonic Areas

Two 12 x 20mm self drilling screws per pan at each support and two 3.2mm sealed aluminium rivets per pan at the back channel. If decking runs parallel to the back channel, secure to channel with rivets at maximum 200mm centres. All screws are to have neoprene washers.

For Cyclonic Areas

Three 12 x 20mm self drilling screws per pan at each support. For deck spans less than 3600mm, two self drilling screws per pan are to be used on fascia beam. Three 4.8mm sealed aluminium rivets per pan (or 150mm centres if sheets are parallel) to be used at the back channel. All screws are to have neoprene washers.

Roof Sheeting

Outback Deck

Polycarbonate Panel – Outback Rooflite

Structural Sections

Design Considerations

Gable/Curved Units Attached Between a Flat Unit & an Existing Structure

Gable/Curved Units which are attached between a Flat Unit (excluding pergolas) and an existing house, shall only be considered attached if the Gable/Curved Unit is attached to the existing house (C) for its full length (L) and the longest side of the combined unit (B) does not exceed twice the gable/curved length (L). The Flat Unit in this case can be considered attached. This style requires all columns to be embedded into footings.

Gable/Curved Units Attached to Flat Unit One or Both Sides

Gable/Curved Units which are attached one or both sides to Flat Units, (excluding pergolas) must be attached to an existing house for at least 75% of the gable/curved opening length (O) to be considered attached. Flat Unit/s must be deemed attached as detailed in the Flat Unit section below to allow the Gable/Curved Unit to be considered attached.

Gable/Curved Units are considered attached both sides if both Flat 1 and 2 comply with attachment rules for Flat Units as detailed below. Gable/Curved Units are considered attached one side if only one Flat Unit exists and it complies with the attachment rules for Flat Units as detailed below.

Flat Units

A Verandah, Patio, Carport or Pergola is deemed to be freestanding unless it is attached to an existing house (C) for at least 75% of the length of its shortest side (A), and its longest side (B) does not exceed twice the length of its shortest side.

Design Options

When designing an Outback, consideration should be given to both roof sheet direction, and the orientation of any openings and overhangs involved. These are often determined by appearance and drainage requirements. The following shows some of the normal options used.

 Attached to Flat Unit One Side & Wall or Fascia One EndAttached Both Sides to Flat Unit & Wall or Fascia Opposite Side

Attached to Flat Unit Both Sides & Wall or Fascia One End





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