Fire-rated folding walls
For premises where the building’s construction and use require extra high fire safety, Winab offers mobile partitions, tested and classified according to current standards and requirements. Our folding walls are designed to meet the requirements of fire class EI-30.
Decisions regarding the choice of fire protection are ultimately made by the customer. Indirectly, however, it is the building's construction, character and use that govern the fire authorities' directives, statutory fire requirements and thereby the prescribed fire class.
Fire-rated products are, through design and material selection, built to prevent the spread of fire and slow down temperature increases. The products also facilitate evacuation in case of fire.
What does Winab offer?
To meet current fire requirements, Winab has developed fire-rated partitions which are approved according to European standards. Our folding walls are offered with fire-rating EI30.
Choosing a fire-rated folding wall means a guarantee that the wall meets the set fire requirements. With this classification, the customer can also compare Winab's walls with competing products.
Meets Euro class B-s1, d0
An accepted European fire classification is Euro class B-s1, d0, which places demands on the surface layers of the wall and ceiling.
The Euro class system divides materials into classes A1, A2, B, C, D, E and F. A1 refers to non-combustible materials. Class B refers to materials with limited combustibility, while class F refers to products where there is no specific result in terms of reaction to fire.
Classes s1, s2 and s3 indicate smoke development and d0, d1 and d2 the risk of burning droplets. The designation s1 gives lower smoke development than s3. d0 indicates that the material does not produce any burning droplets or particles. In classification d2, the risk of burning droplets is significantly greater.
Norms and requirements
Who determines the rules of the game?
Fire protection classes summarise the requirements in terms of fire protection properties for various construction products. Fire-rated products are, through design and material selection, built to prevent the spread of fire and slow down temperature increases.
All buildings must have technical fire protection, but the extent of the requirements depends on the nature of the building and the activities taking place in the premises.
The basic requirements for safety in the event of a fire are found in the Planning and Building Act, PBL. The law applies to all types of construction works, i.e. buildings or other facilities.
The law is interpreted and clarified in the Housing Board’s Building regulations, BBR, which contains rules on fire protection and describes the minimum requirements both for the construction of new buildings and for the alteration of existing ones. In BBR section 5, binding regulations and general advice are given.
The fire class specifies the requirements for fire protection and the functions that the finished building must have. Based on these requirements, however, the client can choose products, materials and constructions that meet the basic requirements.
Fire classification of Winab's folding walls
In terms of folding and movable walls, the relevant classification bases are Integrity (E) and Insulation (I), i.e. the wall's preconditions for preventing the spread of fire.
Integrity (E) against fire is a tightness requirement which means that fire in the form of stab flames and the like does not penetrate the construction. The E-requirement must always be met and can be used as an independent class such as E30.
Isolation (I) is a requirement for maximum temperature increase on the non-fire side of 140C˚ and of 180C˚ in individual points. The I-requirement is always combined with the E-requirement and cannot be used independently.
Winab's folding walls meet the requirements of Fire Class EI30. The classification means that the construction can withstand a fire for 30 minutes.
The folding wall is made up of aluminium profiles, surface-covered panels, intermediate insulation and sound-absorbing materials. There are sealing strips between each section and against ceilings and floors. Wicket door can be placed in the end section or in the middle of a two-part folding wall. Connection to the existing wall is done with an adjustable frame profile in white lacquered aluminium.
|Thickness||84 mm (applies to all folding walls)|
|Weight/m²||40 kg (incl. rails and mounting details)|
|Section width||Minimum 400 mm / Maximum 1000 mm|
|Height||Maximum 3500 mm according to certificate. Fire certificate applies to height up to 3500|
|Colour/surface treatment||According to request|
|Sound reduction||Rw 47 dB|
WINAB’s folding walls are easy to assemble. The wall is delivered well-packaged on a pallet with the rails delivered in a separate bundle. A box with fittings and accessories is found in the package with the wall panels. The panels are placed in the order in which they are to be lifted up into the roof rail. Therefore, take care not to change the order of the panels when unpacking.
For good and tight function between floor and wall, the floor must be level. It is of utmost importance that the connecting structures (floor, wall and ceiling) meet the sound requirements and neither cause crosstalk nor flank transmission e.g. ventilation, floating floors and transverse beams.
Verify whether you should mount a floor-running or ceiling-suspended folding wall. The ceiling-suspended folding wall requires a ceiling structure that can carry the folding wall’s entire weight. If any problems arise with the mounting process, please do not hesitate to contact us.
Assembly guide WINAB 2000, floor-running folding wall
The sections are numbered on the upper edge, 1, 2, 3 etc. The first section is always marked as no. 1. The numbers are always read from the same side.
- The floor rail is mounted flat and precisely ± 1 mm.
- The first frame with section no 1 is mounted standing on the floor rail, carefully with a sinker.
- Screw in the U-profile of the roof rail with a sinker over the floor rail, mount the ceiling rail and insert the sealing strip.
- Raise section no. 2, fit the hinges and push in the pins. If the top pin cannot be pushed in from above due to lack of space, it is bent somewhat: approximately 2 cm under the head and pushed in from below.
- Continue according to point 4 with the remaining sections in numerical order, 3, 4, 5 etc.
- Pull the wall out and lock in a flat position with the espagnolettes.
- Adjust the roof rail so that the sealing strips rest against section’s top edges.
- Mount the end frame and perform any width adjustment.
- Screw in the espagnolette washers and mount handles.
- Attach with seam to wall and ceiling to ensure a tight installation.
Parking - four options to choose from
A folding wall is completely smooth in closed position. In the open position, you park the sections in the place that is most suitable in terms of how the room looks and should function. You should also take into account what the constructional solutions allow.
Open folding walls are always parked directly in or next to the closing line. Below you see which options you can choose from.
Click on the pictures to see in 3D.
2-wing, centre-mounted folding wall
The parking squares are placed in the closing line and the wicket door in the middle of the folding wall. Can be done as floor-running or ceiling-suspended.
1-wing, edge-mounted folding wall
The parking square is placed inside the closing line with a wicket door in the last section. Can only be done as floor-running.