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Fire & Sound Systems

Fire Resistant Systems (Non-loadbearing)

Fire Resistant S Wall
Yoshino's innovative fire resistant systems requiring only one side of walls to be constructed
[Recommended Applications]
  • Suitable for areas required to be constructed from only one side, such as lift shafts, stairwells, duct space, pipe space
  • Used for constructing additional fire separation walls due to extension of buildings

[Features]
  • Simple structure
    Two layers of 21mm Tiger Board Type·Z fire resistant plasterboards are applied to one side of steel framing (Standard Type) .
  • Can be constructed from only one side:
    No requirements for scaffold or work space on the other side of walls. Suitable for use as shaft walls
  • Flexible wall height adjustment
    Wall height can be adjusted flexibly just by changing cross-section design of metal studs.

[Performance]

Fire Resistance: 1 hour rating (Nonload-bearing: wall systems which do not bear loads from buildings)


[Construction Details]
<Standard System>
Tape over joints of top layer of reinforced plasterboards with glass fibre joint tape, and then apply both base coating and finish coating type of joint compounds over the tape to provide smooth surfaces.


<System with joints sealed with sealants>
This construction system has V grooved joints between top-layer of reinforced plasterboards filled with urethane or deformed silicon sealant.

<System with additional layers of plasterboards>
This construction system requires no joint treatment for top-layer of plasterboards and also provides crack resistance.

Undertake construction by using method either a) or b) as follows.

A) Apply an additional layer of 9.5 mm Tiger Board plasterboard with staples and adhesives to provide joints with exposed spline (less than 6mm)
B) Apply 12.5mm decorated Tiger Anero panel with two-sided tapes and adhesives to provide joints with exposed spline (less than 6mm)


Commonly-Used Fire Resistant Wall Systems
(1) Super Wall A
The fire resistant wall incorporating the hard Tiger Super Hard plasterboard to provide exceptionally high levels of strength (Non-loadbearing: wall systems which do not bear loads from buildings)
Name of Wall Recommended Applications Wall Structure (Horizontal Sectional View)
Super Wall A Suitable for use as fire resistant walls in areas where high levels of strength is required, such as schools, hospitals

(2) A21,B15
The standard fire resistant walls incorporating the fire resistant Tiger Board Type·Z plasterboard

Name of Wall Recommended Applications Wall Structure (Horizontal Sectional View)
A21 Fire Separation
B15

(3) A60
Areas required to be constructed from only one side (Shaft Enclosures)
Name of Wall Recommended Applications Wall Structure (Horizontal Sectional View)
A60 Low-rise lift shafts, pipe spaces, stairwells
(Standard height of wall: 3.3 m)


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