SCREWFIX SUSPENSION SYSTEM

Transcription

1 SCREWFIX SUSPENSION SYSTEM 1 JUNE 2015

2 Apartments Hotels Retail Malls Banks Medical Industrial Food Preparation Areas For a high quality, lightweight alternative to timber framed ceilings, ScrewFix is a dimensionally stable, cost effective steel furring channel ceiling system, expressly designed for screw attaching sheet linings such as plasterboard, fibrous plaster and fibre cement. ScrewFix can be successfully used for new installations, interior retrofits, construction of exterior soffits, and as a batten system for wall furring. It is also suitable for residential constructions featuring large areas of suspended smooth ceilings. For fire protection and safety, ScrewFix can provide a number of different Fire Resistant Rating (FRR/FR) ceiling design options. ightweight and Stable 2 1 JUNE 2015 SCREWFIX SUSPENSION SYSTEM

3 USERS GUIDE» BRAND SUSPENSION SYSTEMS For all areas requiring a smoothly finished, monolithic ceiling plane Flat, curved or inclined Fire Resistant Ratings Flexibility of configuration Dimensionally stable Impervious to rot, fungal and insect attack Corrosion resistant Won't warp, twist or bow Easily worked, few tools required Non-combustible Page Components 4 Building Code Compliance 4 Installation 5 Construction Details 6 Direct Fixing 7 Fire Resistance 8 oadings 9 Technical Information SCREWFIX SUSPENSION SYSTEM 1 JUNE

4 Fewer ScrewFix Components components means simpler installation and stock holding, yet the range simpler installation and stock holding, is extensive yet the range enough to allow for most installations, including Fire Resistant Ceilings. nstallations, including Fire Resistant Ceilings. esist ts. ises rring sitive ed - truss brick alls, pled stem lt in ilder, SCREWFIX Donn Brand Suspension Systems Building Code Compliance: Stability: User friendly component design Rolled safety edge to Furring Channel prevents handling injuries. (Clause B2 - Durability) Knurled Furring and Perimeter Channel faces resist ScrewFix when installed and used screw in slip normal damage to sheet linings dry interior conditions will have a minimum Compact serviceable stacking, eases freight and storage costs. life of 15 years. ow profile Furring Channel (23) maximises available ceiling height. New SnapFix Clip for faster assembly of Furring Sound Rating: Channel to DJ38 Primary Channel. Furring Strap secures to C Channel or DX38D-3600 main tee. Installation of Winstone Wallboard s GBDFA60b, GBSCA30 and GBSCA60a tested New CC38 systems Strongback Clip provides fast, positive using ScrewFix will meet Clause G6 requirements connection. and It cannot be accidently disengaged - provide ratings of STC 55 and IIC 72 minimum. important for Fire Resistant installations. New short and long Direct Fix brackets for purlin, truss Fire Rating: (Clause C3 - Spread of or Fire) joist. (Clause C4 - Structural MC37 Stability Masonry Clip for furring uneven block/brick During Fire) walls. PC24 Perimeter Channel ideal for edge fixing to walls, bulkheads and access hatches. Winstone Wallboard s systems GBSC30 and GBSC60a using ScrewFix New suspension design Perimeter Channel back is pre-dimpled systems will provide a FRR of 30 minutes every (30/30/30) 50 for easier screw fixing. and one hour (60/60/60) respectively Components in compliance are USG identified to ensure system with the above clauses (ref page 8). compatibility. Any substitution is likely to result in lower performance and is at the risk of the builder, designer or owner. Primary (Clause G6 - Airborne and Impact Sound) Building Code Compliance: Stability: (Clause B2 - Durability) ScrewFix when installed and used in normal dry interior conditions will have a minimum serviceable life of 15 years. Sound Rating: (Clause G6 - Airborne and Impact Sound) Installation of Winstone Wallboard s GBDFA60b, GBSCA30 and GBSCA60a tested systems using ScrewFix will meet Clause G6 requirements and provide ratings of STC 55 and IIC 72 minimum. Fire Rating: (Clause C3 - Spread of Fire) (Clause C4 - Structural Stability During Fire) Winstone Wallboard s systems GBSC30 and GBSC60a using ScrewFix suspension systems will provide a FRR of 30 minutes (30/30/30) and one hour (60/60/60) respectively in compliance with the above clauses (ref page 8). Furring Channel Primary C Channels SnapFix Clip Perimeter Channel Components SnapFix Clip Perimeter FC37* Channel DJ38 DJ75 SC37 PC24 DJ75 SC37 PC24 m Accessories Direct Fix Brackets DF37-S Masonary Clip MC Suspension Clip C Channel Clip Direct Fix Brackets C038 CC38 DF37-S DF37- DF Furring Strap Bulkhead Angle Masonary Clip Threaded Rod Clip Threaded FS37* Rod Clip DJ4040 MC37 TR37 TR ø 6.5 hole and end slots *50 option M6 threaded available to order nut ø 6.5 hole and end slots M6 threaded nut 4 1 JUNE 2015 SCREWFIX SUSPENSION SYSTEM

5 » SCREWFIX Installation Details Detail 7 Fewer ScrewFix components means simpler installation and stock holding, yet the r is extensive enough to allow for most installations, including Fire Resistant Ceilings. Detail 1 DJ38/75 C Channel joining 65 minimum overlap 2.5 Wire (Optional) DJ38 Detail 2 5 Rod C038 DJ38/75 Detail 3 Bend inside leg up for C Channel application FS37 SC37 SnapFix Clip A B C Detail 6 Detail 4 DX38D-3600 Detail minimum overlap joint DJ38 CC38 Slide C Channels onto C Channel Clip Bend outside legs up Main Tee application FS37 Set Out In large ceiling areas allow for control joints at 9m centres in both directions without perimeter relief or 15m with perimeter relief. (Consult board manufacturers specifications). Fix Perimeter Channel PC24 at 600 centres maximum, 450 for Fire Rated systems. Suspension Suspend C Channels at required load centres A and B with a 2.5 diameter galvanised wire,(1200 required for GIB Noise Control and GIB Fire Rated Systems, or 5 diameter rod and C038 clip (Detail 2). (Ref load tables page 9). Accurately level C Channels. Wires must be twisted off three tight 360 turns, when C038 clip is not used. Join C Channel lengths using the C Channel Clip CC38 (Detail 5) or by lapping 65 back to back and pop riveting (Detail 1). Provide a suspension hanger within 200 of joint. Offset joints across ceiling. Space Furring Channels at centres C to suit lining - to maximum of 600 using SnapFix clip with DJ38/ FC37 (Detail 7) or lock to C Channels or DX38D-3600 Main Tee with Furring Strap FS37. Bend up both legs to prevent straps disengaging (Detail 3 or 4). Join Furring Channels by overlapping 200 minimum and securing with four pop rivets or 8g-16 x 12 (minimum) self drilling wafer head screw. (Detail 6). Offset joints across ceiling. Provide extra hangers where heavy light fittings or services are supported by the suspension system. inings Butt joints centrally on Furring Channel, unless backblocking, stagger adjacent butt joints. Screw fix with appropriate self drilling bugle head screws at centres recoended by lining manufacturers. ocate screws between 10 and 16 from sheet edges. SCREWFIX SUSPENSION SYSTEM 1 JUNE

6 » SCREWFIX Donn Brand Suspension Systems simpler installation Details and stock holding, yet the range nstallations, including Fire Resistant Ceilings. Perimeters Square Stop Building Code Compliance: Stability: (Clause B2 - Durability) Donn Brand Suspension Systems Standard Wall Angle esist ts. ises rring sitive ed - ScrewFix when installed and used in normal dry interior conditions will have a minimum serviceable life of 15 years. Sound Rating: (Clause G6 - Airborne and Impact Sound) 600 max PC24 Perimeter Channel Installation of Winstone Wallboard s GBDFA60b, GBSCA30 and GBSCA60a tested systems using ScrewFix will meet Clause G6 requirements and provide ratings of STC 55 and IIC 72 minimum. SC37 SnapFix Clip DJ38 C Channel FC37 Furring Channel ining 50 max 600 max MT3600 Wall Angle ining Suspension SC37 SnapFix Clip FC37 Furring Channel truss brick Fire Rating: (Clause C3 - Spread of Fire) (Clause C4 - Structural Stability During Fire) alls, pled stem lt in ilder, Winstone Wallboard s systems GBSC30 Miscellaneous Bulk Head and GBSC60a using ScrewFix suspension systems will provide a FRR of 30 minutes (30/30/30) and one hour (60/60/60) respectively in compliance with the above clauses (ref page 8). Vaulted Ceiling SB 3600 Bracing (typical) SnapFix Clip Perimeter Channel DJ75 SC37 PC24 Diagonal Brace PC24 DJ38/75 Channel Form Rolled to Required Radius Fibrous Plaster ining or Similar m o PC24 Furring Channel at 400 centres Direct Fix Brackets DF37-S 25 Ceiling Joint - Seismic DF37- Wall Furring FC37 Furring Channel Back block fixed to one side only TR37 or MC37 Clip Masonary Clip MC37 Threaded Rod Clip TR Max Ctrs 50 Top & Bottom Damp proof course between MC37 and blockwork 400/600 (as per lining manufacturer) ø 6.5 hole and end slots M6 threaded nut 6 1 JUNE 2015 SCREWFIX SUSPENSION SYSTEM

7 » SCREWFIX Direct Fixing Steel Fewer ScrewFix components means simpler installation and stock holding, yet the r is extensive enough to allow for most installations, including Fire Resistant Ceilings. Maximises headroom Screws or nails to purlins/joists. Quick, easy installation. Variable adjustment. Quick, snap-in design for secure Furring Channel fixing. Helps isolate noise transmission Helps minimise joint cracking from structural movement Purlin/Joist Direct Fix Bracket DF37 Plasterboard Timber Joist / Truss 8g-12x25 minimum wafer head screws or 30 clouts 3 minimum Perimeter Channel PC24 Direct Fix Bracket DF37 Furring Channel FC37 Joist/Truss Direct Fix Bracket DF37 Bottom Chord Truss 23 minimum FC37 Furring Channel ACOUSTIC ISOATION A 25 minimum gap between bottom of joist and top of batten is recoended where acoustic isolation is a requirement. ining 23 minimum drop maximises headroom Perimeter Channel PC24 Top Plates SCREWFIX SUSPENSION SYSTEM 1 JUNE

8 » SCREWFIX simpler installation Fire Resistance and stock holding, yet the range nstallations, including Fire Resistant Ceilings. The USG Boral ScrewFix Ceiling System has been tested* to AS and can provide a number of different Fire Resistant Ratings (FRR s). All installation details shall comply with this documents standard or specific details as outlined below Ø. Alternative fire rated plasterboards can be used provided their tested resistance is no less than the tested product and the lining is installed as the manufacturers requirements. See chart below for options #. PC 24 Detail 1 15 gap FC (maximum) subject to weight see oadings 600 (maximum) 200 max Expansion Details Allow gap DJ38/75 to wall Allow 15 gap FC37 into PC24. Do not fasten.(detail 1) Furring Channel FC37 splice joints shall allow 15 expansion minimum, not to be mechanically fastened (including plasterboard sheet screws) and no greater than 200 from primary channel. (Detail 2) (Test Floor Construction 20 particle board on 250 x 50 joists at 600 centres.) 50 overlap Cut splice 65 minimum Do not use fasteners Detail 2 Construction Options using ScrewFix Ceiling System System No. Manufacturer s Reference Fire Rating FRR (minutes) RISF (minutes) GBSC30 Winstone Wallboards td 30/30/30 - GBSC60a GIB Fire Rated Systems 60/60/60 - CT30.1B USG Boral Plasterboard 30/30/30 30 CT60.1A System + Manual /60/60 60 CT90.1A 90/90/90 90 CT120.1B 120/120/ Ø Construction of the steel ceiling suspension system is to be the same as used in Test FR2399 except that the Direct Fix System using the DF37 Bracket may be used instead. *Test Report: BRANZ FR /10/97, FR 60/60/60, Incipient Spread of Fire 60 minutes # Opinion Report: BRANZ 98/1170, 23/01/98 RISF: Resistance to Insipient Spread of Fire 8 1 JUNE 2015 SCREWFIX SUSPENSION SYSTEM

9 » SCREWFIX oadings Maximum Allowable oads (kg/m 2 ) From the following tables select the level of finish required. Deflection of: /600 = high finish level /360 = less critical level Fewer ScrewFix components means simpler installation and stock holding, yet the r is extensive enough to allow for most installations, including Fire Resistant Ceilings. A Suspension B Span C Furring Centres Coon Installations* with DJ38 Plasterboard / /600 A Suspension B Span C Furring Centres kg/m *Maximum allowable loadings (in kg/m 2 ) is the combination of attached linings plus any equipment or services supported by the ScrewFix suspension system. For Direct Fix brackets use: A Suspension 900 centres figures. DJ38 Primary Channel Maximum oadings - kg/m 2 Deflection /600 of span Deflection /360 of span A Suspension at B Span C C C C DJ75 Primary Channel Maximum oadings - kg/m 2 A Suspension at B Span C C C C Deflection /600 of span Deflection /360 of span SCREWFIX SUSPENSION SYSTEM 1 JUNE

10 Technical Information simpler installation and stock holding, yet the range nstallations, including Fire Resistant Ceilings. esist ts. ises rring sitive ed - truss brick» SCREWFIX Donn Brand Suspension Systems Component Quantities Item Component ength Weight Approximate Quantity per M 2 * -Building Standard ayout Code Compliance: FC37 37 Furring Channel 3.6, 4.8M.49kg/M 1.66 M Stability: (Clause B2 - Durability) DJ38 38 C Channel 3.6, 4.8M.54kg/M 0.83 M ScrewFix when installed and used DJ75 in normal 75 C Channel 3.6, 4.8M.90kg/M 0.83 M Based on: dry interior conditions will have a minimum PC24 serviceable Perimeter Channel 3.6M.32kg/M - life of 15 years. SC37 SnapFix Clip - 5.4kg/ ea C 1200 centres Sound Rating: FS37 37 Furring Strap - 4/3.85kg/ ea 600 centres (Clause G6 - Airborne and Impact Sound) CC38 C Channel Clip - 6.3kg/ ea 1200 centres DF37-S 37 Direct Fix Bracket - 5kg/ ea Installation of Winstone Wallboard s DF37- GBDFA60b, 37 Direct Fix Bracket - 10kg/ ea GBSCA30 and GBSCA60a tested systems CO38 DJ38 Suspension Clip kg/ ea using ScrewFix will meet Clause G6 requirements and provide ratings of STC 55 and IIC 72 minimum. CO37 37 Wall Furring Clip - 3.5kg/100 - DJ4040 Bulkhead Angle 3.6M 0.34kg/M - * No wastage allowed for. Fire Rating: (Clause C3 - Spread of Fire) (Clause C4 - Structural Stability - Alternative ayouts # For alternative construction layouts use the following formulae to calculate linear metres (M) or pieces per square meter (m 2 ) During Fire) alls, pled stem lt in ilder, Winstone Wallboard s systems FC37 Furring GBSC30 Channel - and GBSC60a using ScrewFix suspension systems will provide a FRR of 30 minutes (30/30/30) and one hour (60/60/60) respectively in compliance with the above clauses (ref page 8). 1 Furring Channel centres C eg. if FC at 400 centres = 2.5 M/m2 DJ38/75 C Channel - 1 C Channel centres B eg. if DJ at 1100 centres = 0.91 M/m 2 m Suspension Hangers or Suspension Clips - 1 Span of suspension A along the C Channel X span between C Channels B eg. if A = 1400 centres B = 900 centres x 0.9 = 0.8 pcs (hangers or clips)/m Joining Clips SC37 or FS Span of C Channel centres B X span of Furring channel centres C eg. if B at 1100 centres C = 450 centres x 0.45 = 2 clips/straps / m 2 90 # Note: These calculations do not allow for wastage or irregularities, but are intended as an informative guideline to assist with the calculation of product required for a given area (in m 2 ) ø 6.5 hole and end slots M6 threaded nut 10 1 JUNE 2015 SCREWFIX SUSPENSION SYSTEM

11 » SCREWFIX ScrewFix Donn Brand Suspension Systems Technical Information Installation ISO 9000 Quality Assurance Health and Safety Handling & Storage Seismic Finishes imitations Fewer ScrewFix components means simpler installation and stock holding, yet the r is extensive enough to allow for most installations, including Fire Resistant Ceilings. Shall not coence until the building is fully enclosed and dry. Mechanical and electrical duct work above the suspension system shall be completed before installation coences. For Direct Fix, timber elements are Building to be below Code 12-16% Compliance: moisture content. For exterior soffits or areas of high wind uplift use rigid suspension hanger and make Stability: provision for the (Clause plenum B2 to - Durability) breath. Knurled Furring and Perimeter Channel faces resist ScrewFix when installed and used in no USG Boral Building Product screw NZ is slip a certified damage ISO to sheet linings manufacturer - icence No: QEC dry 5044 interior by Telarc conditions SAI. will have a minimum service Compact stacking, eases freight and storage costs. life of 15 years. ow profile Furring Channel (23) maximises available ceiling height. Sound Rating: (Clause G6 - Airborne and Impact New SnapFix Clip for faster assembly of Furring Sound) The material composition Channel represents to DJ38 no health Primary hazard. Channel. When handling, take care and ensure that safe work practices are adhered to at all times. Some Furring products Strap may secures have surface to C treatments Channel and or sharp edges/ends. Installation All reasonable of care Winstone should be Wallboard s GBDFA taken when handling or installing DX38D-3600 to avoid main any tee. potential injury to self or others. Users should GBSCA30 be properly trained and and GBSCA60a supervised tested sys in the use and handling of New these CC38 materials. Strongback Appropriate Clip personal provides protective fast, positive equipment should using be used ScrewFix when necessary will meet eg: Clause G6 requirements gloves/glasses etc to avoid connection. any potential It injuries. cannot be accidently disengaged - provide ratings of STC 55 and IIC 72 minimum. important for Fire Resistant installations. New short and long Direct Fix brackets for purlin, truss Fire Rating: (Clause C3 - Spread of Fire) Store materials on a flat, or dry joist. surface and handle/store in a manner that will prevent distortion, scratches or damage (Clause of C4 any - Structural Stability kind by/to other trades. MC37 Masonry Clip for furring uneven block/brick During Fire) walls. PC24 Perimeter Channel ideal for edge fixing to walls, Winstone Wallboard s systems GBS Where regional seismic requirements bulkheads and prevail, access use hatches. a qualified Consulting Engineer for full Seismic and Design. GBSC60a using ScrewFix suspen New design Perimeter Channel back is pre-dimpled systems will provide a FRR of 30 minutes (30/30 every 50 for easier screw fixing. and one hour (60/60/60) respectively in compli Steel products are hot dipped Components galvanised are for USG compliance identified with to NZBC ensure Durability system Clause B2. Suspension with the Clip above C038 clauses is painted. (ref page 8). compatibility. Any substitution is likely to result in lower performance and is at the risk of the builder, Standard finish not for use designer in corrosive owner. environments. For additional protection consult your nearest USG Boral representative. Standards / References Primary Components USG Interiors uses the following standards and references in its marketing and manufacturing policy. AS/NZS Cold form steel structures code AS/NZS Steel sheet and strip. AS/NZS Suspended Ceilings - Design & Installation Fire - AS BS476 Part 4 - BRANZ Opinion (April 1997) 75 - BRANZ Test Report FR2399 (Oct 1997) - BRANZ Opinion 98/ (January 1998) Accessories Notes In accordance with USG Boral s policy of continuous product improvement, we reserve the right to 25 alter specifications without prior notice as technology or standards are introduced. All sizes and weights are nominal. 42 This document has been prepared on reliance of the professional testing, advice and services provided by independent specialist organisations, and USG Boral Building Products NZ believes the contents of this brochure to be correct at the time of printing. Whilst all care has been taken to ensure accuracy, except to the extent prohibited 43 by law, no liability is accepted for any claim by any person, whether for loss of profits or for any other 134 direct, consequential, indirect or special loss, damage or injury suffered by any person, and whether arising from any negligence or omission on the part of any person or otherwise directly or indirectly from the use of the information contained in this document Trademarks The following trademarks: USG, ScrewFix, SnapFix are the registered or unregistered trademarks belonging to USG Corporation, or one of its subsidiary companies. GIB, GIB Fyreline and GIB Board are registered names of Winstone Wallboards td. 90 *50 option available to order ø 6.5 hole and end slots M6 threaded nut SCREWFIX SUSPENSION SYSTEM 1 JUNE

12 USG Boral, the USG Boral ogo and usgboral.com, ScrewFix, SnapFix are registered trade marks of USG Boral Australian Gypsum td in Australia, other countries, or both. If these and other USG Boral trade marks are marked on their first appearance in this information with trade mark symbols ( or ), these symbols indicate Australian registered or coon law trade marks owned by USG Boral and others at the time this information was published. Such trade marks may also be registered or coon law marks in other countries. Copyright USG Boral Building Products NZ 2015 This technical information is intended to provide general information on products and should not be a substitute for professional building advice. We recoend you use a qualified person to install USG Boral. Illustrations in this guide are only representative of USG Boral products and the appearance and effects that may be achieved by their use. To ensure the information you are using is current, USG Boral recoends you review the latest building information available on the USG Boral website. For further information contact TecASSIST or your nearest USG Boral Sales Office.