Extension unit S29 suitable for models Siegen S26, S27, S28 - 430cm x 466cm

Siegen S29 measures 4,300 mm in width, 4,660 mm in depth and 2,250 mm in height. The covered floor area is 19.80 m² and the weight is around 320 kg.

The clear height – that is, the usable passage height under the structure – is 2,000 mm.

Calculated in centimeters, that is 430 cm × 466 cm × 225 cm (W × D × H) – this is the dimension you should allow for the foundation area.

Siegen S29 is designed for a snow load of 0.75 kN/m² and wind load zones 1 to 2. The structure consists of steel tube with a 50 mm diameter, hot-dip galvanized.

0.75 kN/m² corresponds to around 30 cm of powder snow or about 10 cm of wet old snow. For locations in snow load zones 2a, 2 and 3 – that is, large parts of the low mountain ranges, the Alpine foothills and northeastern Germany – or at altitudes above about 300 m, you should check the snow load for your municipality before ordering. The relevant value is given in the snow load zone map according to DIN EN 1991-1-3 and is available from your building supervisory authority.

Regardless of this, the following applies: in the event of exceptional snowfall, the roof must be cleared.

There is no type-tested structural calculation for Siegen S29. That is the normal case for canopies of this size – the range is placed on the market as a standard kit and not as a type-tested construction product.

If your building supervisory authority requires a structural stability certificate, it is prepared for the specific project by a structural engineer. We supply the basis for this: foundation plan, assembly plan, dimensioned drawing and the manufacturer's load assumptions. In addition, for every model we provide a data sheet, a tender text as a bill-of-quantities item and a GAEB file (DA XML 3.1, X81) for download.

Get in touch with us if you need further documents for a construction project.

Siegen S29 is anchored to the ground with dowels. A level, load-bearing subsurface with frost-free footings is required – a continuous concrete foundation or point foundations under the posts. Asphalt, interlocking paving without a bound base course or natural soil is not sufficient.

The stainless steel ground mounting material is included with the kit, as is a foundation plan with the exact anchor points. The plan specifies the drilling patterns for each post of both rows of posts; the foundations should have cured before delivery.

Installation over paving – that is, erecting the unit on an existing paved surface without its own foundation – is not intended for this model.

Siegen S29 is an add-on unit and is supplied as a kit for self-assembly. The structure is fully bolted; no welding is involved.

The scope of delivery includes the complete kit, the foundation and assembly plan, illustrated assembly instructions and the stainless steel ground mounting material. You provide the concrete foundation, tools and lifting equipment yourself.

You should plan on two to three people for the assembly – the roof elements are bulky and the total weight is around 320 kg. The manufacturer provides a 5-year warranty on the structure.

The delivery time is 1 to 3 weeks from receipt of order.

Shipping is free – within Germany as well as to Austria, Belgium, France, Italy, Luxembourg, the Netherlands and the Czech Republic. Although this is a freight forwarding item, no bulky goods or freight surcharge applies. That is the exception in this market: several competitors add 220 to 290 euros of freight per unit for this range.

Delivery is by freight forwarder, and the delivery date is announced in advance. With around 320 kg spread over several packages and bulky long parts, you need an unloading point accessible by truck and helpers for unloading.

We supply Siegen S29 hot-dip galvanized (item no. 102001560). Hot-dip galvanizing to DIN EN ISO 1461 is the most durable corrosion protection for steel outdoors and is maintenance-free.

An additional color coating can be produced at the factory, but it is not part of our standard range. If you need the Siegen range in a RAL color, ask us – we will obtain a quote for you.

Siegen S29 is supplied without walls. A rear wall made of trapezoidal sheet can be added, as can side panels in either trapezoidal sheet or opal-translucent polyester. On the double-sided units, both long sides can be closed independently of each other.

A gutter and downpipe are included as standard on the double-sided units – the roof drains in the middle between the two bays and therefore needs a gutter.

You select the wall elements directly on the product page, and the price updates immediately. Retrofitting is possible at any time because all elements are bolted together.

No. Siegen S29 is an extension module and requires an existing basic unit. It fits the models Siegen S26, S27 and S28.

The add-on unit contains fewer components than a basic unit of the same size – 320 kg compared with 411 kg – because it also uses the row of posts of the basic unit on the connecting side. That is exactly what makes the extension economical: you do not pay twice for the same row of posts.

Several add-on units can be lined up one after another, so that installations of any length can be created. The extension is still possible years later because the system is standardized and all connections are bolted.

That depends on the federal state and cannot be answered in blanket terms – it is governed by the state building code, not by the manufacturer.

The figure your building authority asks for first is the enclosed volume. For Siegen S29 that is 45.1 m³ gross volume (external dimensions 430 cm × 466 cm × 225 cm), and the covered area is 19.80 m². Depending on the federal state, the state building codes tie the exemption from approval procedures for covered structures without habitable rooms either to the volume (frequently between 20 and 75 m³) or to the floor area. In undeveloped outlying areas the exemption usually does not apply.

Regardless of the permit question, setback areas to the property line, the development plan and the local design statutes must be observed. For commercial sites, fire protection and workplace requirements are added depending on the use.

Check briefly with your municipality before ordering. We are not building consultants and cannot replace the information provided by the authority – you can get the documents for the enquiry (dimensioned drawing, data sheet, foundation plan) from us as a PDF.

Siegen S29 covers 19.80 m². Depending on the use, this results in:

• 19 to 39 people as a smoking shelter or weather shelter (calculated at 0.5 to 1 m² per person)
• 8 waste bins of 120 l side by side along the rear wall, or 3 waste containers of 1,100 l

The number of people is a guide value derived from the area and the clear dimensions; the figures for bins and containers come from the manufacturer.