Fixing and buying guide
Siniat Standard Plasterboard 1800mm x 900mm x 12.5mm SE (80)
What this product is for
This is a general-purpose plasterboard for internal drylining work. It is commonly used to create non-load-bearing partitions, line existing walls, and form suspended ceilings in homes and buildings. The square edge design means joints will need taping and jointing compound if a smooth finish is required, making it suitable for projects where a textured or decorated surface is planned rather than a seamless skim finish.
- Internal partitions and stud wall linings
- Ceiling applications on timber or metal joists
- Wall linings over masonry or timber
- Projects requiring standard fire and acoustic performance
Sizing and pack contents
Each board is 1800mm long by 900mm wide by 12.5mm thick. The pack contains 80 boards, giving a total coverage of 129.6 square metres. This thickness is the standard choice for most residential and light commercial applications on 400mm to 600mm stud or joist centres.
- Single board size: 1800mm x 900mm x 12.5mm
- Pack quantity: 80 boards
- Total coverage: 129.6 m²
- Suitable for stud spacing of 400mm to 600mm centres
Compatibility and finishing
The square edge profile is compatible with standard gypsum plaster finishes and textured coatings. It is not suitable for direct decoration without joint treatment. For a smooth finish, joints must be taped and filled with jointing compound. The board accepts both wet plaster and dry joint finishing systems.
- Compatible with gypsum plaster skim coats
- Suitable for textured finishes and spray coatings
- Requires joint taping and compound for smooth finishes
- Can be used with standard drywall joint systems
Pre-installation checks
Before fixing, ensure the supporting structure (studs, joists or battens) is level, plumb and at the correct spacing. Boards should be stored flat and kept dry on site. Check that fixings (nails or screws) are appropriate for your support structure and that you have sufficient jointing materials if a smooth finish is required. Ensure adequate ventilation during and after installation to allow any moisture to dissipate.
- Verify stud or joist spacing matches board width requirements
- Store boards flat and protect from moisture and weather
- Confirm fixings are suitable for timber or metal framing
- Plan jointing and finishing materials in advance