Knauf Tapered Edge Plasterboard - 2400 x 1200 x 12.5mm

The dimensions are 2400mm in length, 1200mm in width, and 12.5mm in thickness.

Yes, the ivory paper face is suitable for direct decoration after appropriate priming and filling of joints.

The tapered edge is designed to create a recessed groove when boards are placed edge-to-edge, which simplifies the process of taping and jointing for a smooth, seamless finish.

Each sheet covers 2.88 square meters (2.4m x 1.2m). Divide the total area you need to cover by 2.88 to estimate the number of sheets required, adding a small percentage for waste.

While rot and warp-resistant, for areas with consistent high moisture like shower enclosures, specialist moisture-resistant plasterboard may be more appropriate. Ensure good ventilation.

Knauf Plasterboard Adhesive is recommended. Ensure the substrate is clean and dry before application.

It offers superior acoustic performance compared to standard plasterboard, contributing to sound insulation. For dedicated soundproofing, consider specialized systems which may involve multiple layers or acoustic insulation.

Ensure you are using a sharp utility knife and scoring the paper face deeply and consistently before snapping. For thicker boards, a second score may be necessary.

Ensure the tapered edges were properly cleaned of dust. Use the recommended Knauf jointing tape and compound, applying thin, even coats and allowing adequate drying time between applications.

Verify that the ceiling joists are adequately spaced according to building regulations and that the correct thickness of plasterboard is used for the span. Ensure boards are securely screwed at appropriate intervals.

Ensure all joints are properly sealed and that there are no gaps around electrical boxes or penetrations. Double-check that the board is installed correctly on framing without significant air gaps.