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It is a product which shaped galvanized steel plate into a hat form (trapezoid form). It is a system whereby it is fixed to rooftop or wall then gypsum board is fixed by wooden screw. By maintaining space between interior work materials and wall sound effect is aimed. In ceiling support materials instead of M Bar sometimes Furring channel, resilient furring channels are used.

General description of furring channel system

This is system for which furring channel, resilient furring channel, furring jet channel and furring clip are used.

(1) Definition of terms

  • System: Furring-bar system

(2) Transportation and handling

  • ① Transportation: After recording type, name, dimension and manufacturing date etc. on label and packing and then transport it.
  • ② Handle it in consideration of instruction of manufacturer and requirement of users.

Product of furring channel system

1) Materials

  • KSD 3506 (melt galvanized steel plate)
    KSD 3609 (steel material support member for construction)

(2) Dimension

  • ① furring channel: 70 mm x 35 mm x 22mm x 05T
  • ② furring resilient channel 67 mm x 12 mm x 0.5T
  • ③ furring jet channel
  • ④ furring channel clip
  • ⑤ Adjust furring bracket

Special feature of furring channel system

  • * It is excellent for noise prevention.
  • * It is economic.
  • * It is possible to install it at existing wall such as ceiling.
  • * This is system which is most extensively used in the United States and Europe.
  • * It also can be used as ceiling materials.
  • * As support material for ceilingt it has effect of reducing floor shock.

(1) Setting up centerline of building: After accurate measurement of ceiling surface set up centerline after checking other work schedule such as lightline and position of diffuser etc.

(2) Strong anchor work

  • ① At the time of strong anchor work when centerline is set up mark part for fixing strong anchor (Ф9mm) at slab surface and punch hole with drill and fix it.
  • ② At the time of work for cash iron insert (Ф9 mm) install it at form according to drawing.
  • ③ Caution: Pay attention to intervals between anchor and insert and right angle.
  • ④ It is ideal to make interval for installation as @900∼ 1,200 mm for strong anchor or insert in consideration of direction of installation of carrying channel.

(3) Molding line level check

  • ① Use of water level or level
  • a. Confirming position by means of drawing (confirming height of ceiling)
  • b. Confirming the position by water level and ink pot string marking between positions.
  • ② Set the height of wall molding to be higher than height of T-bar by 9.5 mm.
  • ③ Caution: At the time of using water check make sure to check level after checking any presence of air bubble in hose and breaking of hose.

(4) Attachment of wall molding (using after painting angle or sea gull molding)

  • ① Attach molding along the India ink line and fix wall molding by using 1" concrete nail. (interval: 500∼1,000 mm)
  • ② Be careful not to slacken the height and interval between moldings.
  • ③ In connection with facilities such as curtain box it shall be attached according to specification.

(5) Installation of hanger bolt

  • ① Upper part of hanger bolt is fixed to strong anchor or insert and lower part of bolt is fixed hanger and nut in consideration of ceiling height.
  • ② At the place where installation duct or other obstacles are work shall be carried out after reinforcement according to drawing and specification.

(6) Installation of lightline

  • Install lightline according to specification but it is required to have consultation with persons in charge of electricity and facility.

(7) Installation of carrying channel

  • After tying hanger set and carrying channel and fix them. Install it at an interval of @900∼1,200 mm. Connect the connecting part of carrying channel by means of carrying joint.
  • And make sure to install carrying channel not to be off from box face by more than 30 cm.

(8) Installation of MINOR Channel

  • When area of work is broad reinforce and fix above the installed carrying channel with reinforcing channel (minor channel) and install it at an interval of 2,000 ∼3,000 mm.

(9) Installation of main T- BAR and cross T-Bar

  • ① After placing string at centerline of the work then install sturdily T-BAR by using WIRE CLIP by matching it to lightline and in a right angle direction toward carrying channel.
  • ② Intervals of installation shall comply with drawing according to each type (size of tile plate).
  • (at an interval of @600 or @750 mm usually)
  • ③ Level of installed ceiling shall be accurately set by water level or level device and by using hanger bolt and nut.

(10) Installation of finishing plate (open panel)

  • ① Insert groove of open panel to wing of T-Bar and also opposite part is also inserted to wing of T-Bar and installed.
  • ② Bend cross holder hanging at open panel with cross T-bar and connect it sturdily.
  • ③ Prohibit using finishing plate which has scratch, broken corners or dirtied.

(11) Installation of curtain box

  • ① Manufacturing and installing products suitable to use according to specification (separate painting)
  • ② Welding work is carried out concurrently therefore install work bench to enable safety in work and working in comfortable stance.

(12) Work for the part of wall molding

  • ① Cutting open panel: Cut is made at cross bar at the spot fixed by deducting 8mm from middle part of T-bar and vertical part of wall molding. Wing part is cut with cross holder and made.
  • ② Works
  • ⒜ Wall molding part at end of main T-bar: Mount open panel in between wall molding and T-bar and then insert the side which has spring of open panel. Then pull it toward main bar direction and release it so that open panel is pushed wall molding side by power of spring.
  • ⒝ Wall molding part at end of cross bar: Open panel cut at is worked in the way same as main bar side (only change direction by 90 degree) and cross bar is used as main T-bar.
  • ③ For cut open panel cross holder is folded toward T-bar direction as conventional way and connect open panel.
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