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General Technical Information
- VJ Sheeting Grade Options
- VJ Sheeting Sizes and Profiles
- Storage and Handling
- Early Fire Hazard Tests
- Safety and Handling
Installation Guidelines
- General
- Installation Diagrams (downloadable pdf files)
- Walls
- Ceilings
- Fixing to Existing Linings
- Painting / Finishing
General Technical Information
Ozbuild VJ Sheeting is manufactured using 9mm medium density fibre board, (sourced only from managed forests).
VJ Sheeting Grade Options
Premium Grade VJ Sheeting – for use in all areas of relatively low humidity.
Moisture Resistant VJ Sheeting – recommended for use in areas of higher humidity such as bathroom, kitchens and laundries (excluding wet areas). Also recommended for all ceiling linings and anywhere north of the Tropic of Capricorn.
VJ Sheeting Sizes and Profile
VJ Pattern Distance: 101mm (+/-1mm)
Sheet Joining Pattern: Tongue and Groove
Sheet Sizes: Height:
Premium 2420, 2720, 3020, 3630(mm) Moisture Resistant: 2420, 2720, 3020, 3320, 3630, 4220, 5400 (mm)
Width: 1207mm.
Thickness: 9mm.
Storage and Handling
In order to keep your Ozbuild VJ Sheeting in good order and condition we recommend that they are stored in an area protected from the sun, rain and wind.
All packs should be evenly supported with bearers spaced underneath the packs. Ideally place the first bearer within 50mm of the end and then place a bearer every 600mm from then on, leaving the last bearer 50mm from the other end. If packs are to be stacked on top of each other then ensure that all supports are vertically aligned.
Keep work areas as clean as possible and store sheets with the VJ facing down so that they cannot be damaged or walked on.
Early Fire Hazard Test
INDICIES RESULT RANGE
Ignitability Index 13 0 – 20
Spread of Flame Index 7 0 – 10
Heat Evolved Index 6 0 – 10
Smoke developed Index 3 0 – 10
(AWTA Tests)
Safety and Handling
Machine tools should be fitted with dust extractors and operators should wear eye and dust mask protection, as well as any normal safety equipment. See relevant MDF MSDS for more important details.
Installation Guidelines
General
Ozbuild VJ Sheeting is an excellent interior lining material suitable for lining timber or metal framed walls and ceilings or relining existing walls and ceilings.
Timber and Metal Framing – All framing should comply with local building regulations and framing work should be carried out by a qualified and licensed tradesman using accurately gauged and adequately seasoned/treated timbers.
Installation Diagrams:
Download diagrams here to show various joining and fixing methods:
Fixing Ozbuild VJ Wall Lining.pdf (80kb)
Fixing Ozbuild VJ Ceiling Lining.pdf (76kb)
FIxing Ozbuild VJ to Brick/Masonry Wall.pdf (83kb)
VJ External Corner_2 Piece Mould Method.pdf (67kb)
WALLS
Stud Spacings – Recommended 450mm
Nogging – One row of horizontal nogging is normally enough for 2745mm walls, but extra nogging may be required where sheets join off-stud
Joining - due to the traditional tongue’n’groove joining system off stud joins are no problem - extra nogging may be required as above
1. Adhesive
Ensure the surface to be applied to is free from oil or grease and from dust build-up
Apply a bead of Ozbuild VJ Sheeting adhesive to the studs (and nogging if desired) at the recommended rate of 1 tube per 6m² (this is almost exactly ½ tube per 2440mm long sheet)
2. Fasteners
(A) Nailing (in conjunction with Ozbuild VJ sheeting adhesive)
Standard Nailing – use 40x2.0mm bullet heads or 32/40mm nail gun finishing nails/pins)
(B) Screwing (in conjunction with Ozbuild VJ Sheeting Adhesive)
Screwing is recommended when fixing to metal frames but is not required for fixing wall sheeting to timber frames. For best finish it is necessary to countersink screw and rivets in order to prevent raising of the grain at the fixing point.
* Use quality screw recommended for use with MDF and your chosen framing material. Screws should be 32mm in length
CEILINGS
Ceiling Battens – recommended at spacings not more than 400mm
Apply adhesive as per for walls
For ease of installation it is recommended to “tack” ceiling sheets in place with finishing nails/pins (fire pins in at opposing angles – otherwise known as a cross-hatching technique and then (to ensure accurate levelling) that the sheets be screwed (countersunk heads) or fixed in place with approx 40mm framing nails.
Nails should be spaced at max 300mm spacings along the battens
FIXING TO EXISTING LININGS
When fixing to existing linings the fasteners should be fixed through the existing lining and into the framework. It is recommended, when fixing to masonry or concrete walls, that metal furring channels or moisture-treated timber battens be used to prevent moisture transfer.
PAINTING AND FINISHING
Ozbuild VJ Sheeting can be painted as soon as it is installed!
Paints should be used in accordance with manufacturers’ guidelines
Recommended sealer*:
Low Humidity – any good quality acrylic/or oil based primers recommended for use on MDF.
Higher Humidity -(kitchens, bathrooms, laundries) – Recommended to use an oil-based primer – see paint manufacturers for recommended products.
Preparation:
Surfaces should be prepared in accordance with paint manufacturers guidelines – Shortly prior to painting it is recommended to:
1. Brush the surface of the board
2. Use a ‘tack cloth’ to remove any excess dust/dirt
* Solvent based primers may react with the resins contained in Ozbuild VJ Sheeting – Before application please contact your paint manufacturer to ensure the product is suitable to use with Medium Density Fibreboard
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