Frame
Full range of Siniat Metals.
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What weight can be fixed to the Siniat resilient bar?
37kg/m2 is the limit of weight able to be applied to a Resilient Bar in both vertical and horizontal planes, where the resilient bar is at 400mm centres and joists/stud are at 400mm centres. 25kg/m2 is the limit of weight able to be applied to a resilient bar in both vertical and horizontal planes, where the resilient bar is at 400mm centres and joi
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What is the minimum thickness of a Dryliner System?
The minimum cavity depth of the dryliner system is 25mm. You will need to add on the thickness of the plasterboards you are using to give the full depth of the system built up from the substrate.
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What load can a Siniat Metal frame suspended ceiling system take?
The standard grid installation for the MF ceiling system is based on 1200mm x 1200mm x 400mm relating to the installation centres of the hangers, primaries and ceiling components. This grid is capable of supporting 35kg/m2 including self weight. Should you need to support a greater weight, the centres of the primary channels can be reduced, thus inc
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When should I use the MFCCLIP Connecting Clip to secure the Ceiling Channel to the Primary Channel and when should I screw fix the two components together?
Siniat Connecting Clips (MFCCLIP) may only be used to connect Siniat Ceiling Channel to Primary Channel when only a single layer of plasterboard is fixed to the grid with no additional loadings. For double layer systems use 12mm Siniat Wafer Head Self Drilling Screws. Two fixings must be used each side of the ceiling channel into the primary chann
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What centres are the service holes on the Siniat C Stud and I Studs?
Siniat C Studs (Rx gauge only) have service cut outs at 600mm centres, 300mm in from each end. The service hole is 25mm x 75mm. The heavy gauge studs (W and Y) do not have service holes. Siniat I studs also have the same size services holes positioned 300mm in from each end and at 600mm centres.
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Which flat strap should be used to back horizontal joints in plasterboard outer layers?
Where the system is only lined with a single skin of plasterboard, the flat strap will be fixed direct to the studs and must be the FS90W. For systems which are double boarded, flatstrap can be installed in between the board layers (positioned to pick up the outlayer horizontal joint) and this can be the FS50Rx strap. However if positioned against
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Could I install cable penetration through head track?
It is recommended cable penetrations avoid framing components and penetrate board only. The hole should be as tight as possible with Siniat Intumescent Acoustic Sealant to seal the hole to the cable. For partitions without deflection heads the cable should be installed with enough slack to allow it too drop below the head track and pass through boar
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What heights can timber stud partitions achieve?
As Siniat is a supplier of metal stud partitions, the design of a timber frame would be down to the guidance supplied by specialists in this area and/or the timber association. Timber frames can be both load bearing and non-load bearing so size and grade of timber will be important.
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What height can your Independent Wall Lining (IWL) systems achieve?
The Siniat Independant Wall Lining systems maximum height is dependant on a number of factors such as the stud specification (size, gauge and centres) and board layers and type applied to the stud frame. The heights quoted in the Siniat literature for cold state are based upon L/240 which limits the mid height lateral deflection of the specified bu
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What centres must I fix the head track for Siniat Shaftwall systems?
Siniat Shaftwall system must have the head and base tracks fixed at 300mm centres with a suitable fixing which is dependant on the substrate you are fixing too.
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Can the Siniat Direct Bond Lining system be used below ground level?
In general it is not recommended to use the Siniat DIrect Bond Lining System below ground level or on any substrates subject to moisture ingress. A mechanical fix lining system, should be used instead. The nature of the gypsum bond would absorb moisture over time which can lead to the degradation of the bond. If the back ground is treated to preven
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How far can the MF ceiling channel cantilever from hanging point when the perimeter is not fixed?
The maximum cantilever that the Siniat MF Ceiling Channel or Siniat Primary channel can have from the last hanger point, where the Siniat Edge Channel is not fixed is 150mm for non fire rated ceilings.
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Is it possible to install glazed screens in Siniat Shaftwall systems?
Siniat are unable to provide opening details to support glazing in Shaftwall constructions. If a glazed opening is required in a shaftwall construction then appropriate supporting structural framing (SHS / Goal posts) will need to be provided. This structure will then need to be fire protected using relevant board solutions and the Shaftwall constru
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What type of fixings should be used to fix Siniat Tracks on site?
When Siniat fire test a system, the track fixings are determined by selecting an appropriate type for the substrate the rig is constructed from. Siniat do not have track fixings within its range - it is the responsibility of the installing contractor to select the correct fixing to suit the substrate. It is recommended that suitable non combustible
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What is the maximum void depth that can be achieved with a dryliner system?
There are two Dryliner Bracket components that can be used alongside the Dryliner Channel and Dryliner Track. The Siniat SR Bracket can facilitate cavity depths between 25 and 60mm. The Siniat XR Bracket can facilitate cavity depths between 25mm and 130mm.
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Do Siniat require Timber Insert to door Jambs?
The purpose of the timber insert into a door jamb detail is to provide the door set manufacturer the required resistance for their fixings. Siniat have a number of jamb configurations to meet the needs of various door leaf weights, the inclusion of the timber insert to be in line with the door set manufacturer guidance. Examples for single stud sys
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Are noggings required with a timber ceiling?
For the purpose of fixing Siniat Plasterboard direct to the underside of a timber ceiling, there are two scenarios which will dictate the need for noggings. In cold state - where the ceiling/floor element is not required to have a fire resistant period the following recommmendations can be followed: In hot state - where the ceiling is required to
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When forming a door opening within a partition, should it be capped with plasterboard?
Ultimately, the requirement for the opening to be capped with plasterboard rests with the door set manufacturer. Their door set fire tests will detail how the the interface was formed and that as a minimum must be followed. From a Siniat perspective, the capping of the door opening is deemed as good practice using the same specification of boards
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Can the Siniat Dryliner system be installed short of the soffit?
This should only be considered if there are no performance criteria for the dryliner to meet. If no performance is required from the Siniat Dryliner system then it can be stopped short of the soffit but there are a couple of points that must be carried out. The head track must still be installed over the dryliner channels and faced fixed through w
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What is the maximum door weight Siniat partition systems can support?
For single stud or twin frame partition system, the door jamb detail can be configured to support up to 100kg for a door leaf. The principle of the details are shown below: In order to support heavier door leaf weight, an square hollow section is recommended to form jamb and lintol designed and supplied by others. For a shaftwall system, the maximum
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Can Siniat Thermal boards be adhesively fixed with the dot & dab method?
Siniat Plasteboards (excluding the foil backed boards) and Siniat Thermal plasterboards (details in Annex B of the Siniat Drywall Manual) can be used to line most masonry walls with the Universal bonding compound. Direct Bond lining systems are suitable for most level, masonry substrates. The substrate must be clean and dust free with all loose mat
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What size are the services holes within Siniat C Studs?
The service holes within Siniat C Studs are 25mm wide by 75mm long, the first being positioned 300mm from the end and then at 600mm centres.
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What is the maximum height that can be achieved with Siniat partition systems?
The maximum height possible for a Siniat metal stud partition or shaftwall system is dependant on a number of factors. Firstly there will be the cold state maximum height which is down to the structual ability of the system and keeping it within the defined parameters of BS 5234-2. Secondly, if there is a fire resistance period required for the syst
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Do the wind loadings stated in the Weather Defence brochure account for internal wind loadings as well as external wind loadings?
The designed for wind load is the maximum magnitude that can be withstood by the Thruwall element. The load can be positive or negative (pressure or suction). Typical design range is 1kN/m2 to 1.8kN/m2 but can be more or less. Internally, unless advised by the project design team, internal pressure is default designed to 200Pa (0.2kN/m2) which is ea
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What is the weight limit on the Siniat acoustic hangers?
Siniat have two acoustic hangers: Phonissimo - this has a maximum load of 50kg Phonistar - this has a maximum load of 120kg The load applied to each hanger can be determined with knowledge of the ceiling build up and hanger centres and can be modified to ensure the max weight is not exceeded.
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What is the maximum deflection allowance that can be incorporated within the Siniat A1 Shaftwall system?
The Siniat A1 shaftwall deflection head detail can cater for upto 40mm movement. At construction you will need to understand whether you need to allow for upward and downward movement or just downward and install accordingly, but the maximum range of movement is 40mm. The deflection head configurations are shown below: Please follow the link for f