Fibre cement panels can be used as (1) façade cladding and (2) roof cladding.
Fibre cement is non-combustible (A2-s1, d0 according to DIN EN 13501-1), absolutely dimensionally and weather-resistant, impact-resistant and UV-stable as well as very durable. This is also confirmed by the Federal Institute for Research on Building, Urban Affairs and Spatial Development: In the table "Useful lives of components for life cycle analysis", façade panels made of fibre cement – with an average service life of more than 50 years – are assigned to the highest level.
with fibre cement panels can be realised in combination with the following substructures / fastening systems.
Façade fastening systems
A. Ventilated façade (VHF)
B. Screw fastening on wooden substructure
C. Rivet fastening on metal substructure
D. Non-visible fastening system with undercut dowels or anchors
E. Inverted formwork with façade panels
A. Ventilated façade curtain wall (VHF)
The construction of the rear-ventilated façade (VHF) is a highly effective system due to the constructive separation of the functions of thermal insulation and weather protection. Due to the distance between the façade panel and the insulation, the air can circulate behind the façade cladding and any moisture that may be present can be removed.
In terms of cost-effectiveness, ecology and durability, VHF is becoming increasingly important as a superior system in new construction and renovation. This system can be used for all types of buildings and building heights.
The VHF system helps to reduce energy costs and fully meets the requirements as an energy-saving façade. By using sufficiently large insulation thicknesses, the VHF can achieve the low-energy house standard and passive house standard.
B. Screw fastening to wooden substructure
A possible construction variant for laying façade panels is a wooden substructure. The façade panels are attached to the wooden substructure with universal screws with drill tips. The universal screws with drill tip are colour-matched to the respective colour of the façade panels. They are available for 8 mm, 10 mm and 12 mm thick façade panels. (Example EQUITONE system)
Image 1: Construction with horizontal counter battens - EQUITONE
<img src="https://files.baukobox.de/download/635c8372a11723b718629542?width=250" width="250">
Image 2: Bearing smoothing with frame dowels - EQUITONE
<img src="https://files.baukobox.de/download/635c8372a11723b718629543?width=250" width="250">
Figure 3: Wooden substructure with spacers - EQUITONE
C. Rivet fastening to metal substructure
Rear-ventilated exterior wall cladding with façade panels laid on a metal substructure is suitable for any type and height of the building.
A "façade rivet" is used to fasten the façade panels and elements. The universal rivet can be used to fasten all EQUITONE façade panels. Both rivet types are available in the respective colour of the façade panel and blend inconspicuously into the overall appearance of the façade.
The façade rivet is available for 8 mm and 12 mm thick façade panels and the universal rivet for 8 mm, 10 mm and 12 mm thick façade panels. (Example EQUITONE system)
Image 4: Metal substructure - EQUITONE
D. Non-visible fastening system with undercut dowels or anchors
Wedge | Tergo and Fischer | FZP-K (Tergo+) are façade design solutions for the rear, invisible fastening of façade panels made of fibre cement to metal substructures. In addition to the high-quality, individually cut façade panels with undercut drill holes, the system also includes the special undercut dowels/anchors with matching screws, nuts and washers.
The panels are fastened at the back either with clasps or with plate support profiles on a metal substructure. Sheets with a thickness of 12 mm are to be used for this purpose. For the façade panels, 8 mm and 10 mm thick panels can be used. (Example EQUITONE system)
Image 5: Undercut fastening WEDGE | TERGO - EQUITONE
E. Inverted formwork with façade panels Inverted
formwork is a way of giving the façade visual depth and structure. The inverted formwork is structured in panel dimensions, which can be selected individually. Inverted formwork is characterised by its exceptional versatility. Numerous variants are possible. Completely new effects can be achieved through small changes. The simple horizontal installation of the inverted formwork on an aluminium or wooden substructure is reminiscent of traditional forms of rural buildings. Larger panels underline the abstract character of a building. Spacers can be used to enlarge the horizontal shadow gap.
Mounting variants:
Image 6: Invisible fastening - EQUITONE
<img src="https://files.baukobox.de/download/635c8373a11723b718629547?width=166" width="166">
Image 7: Invisible fastening with shadow gap - EQUITONE
According to DIN EN 492 "Fibre cement roof panels and associated moulded parts - Product specification and test methods", the panels are weather, volume, corrosion, heat and frost resistant and insensitive to the effects of fire. Fibre cement is largely made up of Portland cement (approx. 40%) and limestone powder, recycled, ground fibre cement material and water. In addition, reinforcing fibers made of polyvinyl alcohol or polyacrylonitrile and process fibers (pulp) are added. These take on a similar function to reinforcement in reinforced concrete.
For renovations of old roofs and monuments, the covering material of which cannot be too heavy, the slabs are well suited due to their low weight.
Depending on the manufacturer, the panels are available up to a size of approximately 3100/1250 mm.
A roof pitch of 25° must not be exceeded when used as a roof covering.
Source: Etex Germany Exteriors GmbH
In cooperation with:
baukobox.de
