Plasterboard Standard Edge 1800mm x 900mm x 9.5mm
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Plasterboard Standard Edge 1800mm x 900mm x 9.5mm, also known as drywall or wallboard, is a lightweight panel used to create smooth, paintable surfaces on interior walls and ceilings. This board is easy to handle and cut, making it ideal for DIY projects such as building stud walls, boxing in pipes, or repairing damaged wall areas. The 9.5mm thickness is suitable for most domestic applications where space or weight is a concern, especially on ceilings or small partition walls. It can be fixed to timber or metal frames with screws or adhered directly to masonry with plasterboard adhesive. The term "drywall" is more common in the US, while "plasterboard" and "wallboard" are typically used in the UK, but all refer to the same type of product.
As of May 2026, PriceNailer data confirms that the cheapest price for Plasterboard Standard Edge 1800mm x 900mm x 9.5mm is £9.40 from Wickes across 4 suppliers. Prices have increased by 3.7% over the last 9 months.
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Frequently Asked Questions
What is 9.5mm plasterboard suitable for?
9.5mm plasterboard is ideal for ceilings, lightweight partition walls, and areas where weight reduction is important. It's perfect for renovations where structural loading needs to be minimised and for boxing in pipes or creating small stud walls.
How many sheets of 1800x900mm plasterboard do I need per square metre?
Each 1800x900mm plasterboard sheet covers 1.62 square metres. You'll need approximately 0.62 sheets per square metre, so for a 10m² wall, you'd need around 7 sheets including wastage.
Can I use 9.5mm plasterboard on walls instead of 12.5mm?
While 9.5mm can be used on walls, 12.5mm is the standard thickness for wall applications as it provides better durability and impact resistance. Use 9.5mm only where weight is a concern or for non-structural partition walls.
What screws do I need for 9.5mm plasterboard?
Use 25mm drywall screws for fixing 9.5mm plasterboard to timber frames, or 13mm self-drilling screws for metal frames. Space screws every 200-300mm around the perimeter and at intermediate supports.
Is standard edge plasterboard different from tapered edge?
Yes, standard edge plasterboard has straight edges that butt together, while tapered edge has recessed edges that create a shallow channel for jointing tape and compound. Standard edge is suitable where joints will be covered by timber or coving.