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12.5mm Knauf Wallboard Square Edge Plasterboard 1800mm x 900mm
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Standard 12.5mm plasterboard, used widely for internal walls and ceilings. Square edges suit skim plaster finishes. Handy 1800mm x 900mm sheet fits easily in lofts, bathrooms, stairwells.
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Wed 24 Sep
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- 8hrs
- 31mins
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Product Overview
Standard 12.5mm plasterboard, used widely for internal walls and ceilings. Square edges suit skim plaster finishes. Handy 1800mm x 900mm sheet fits easily in lofts, bathrooms, stairwells.
Delivery & Returns Information
How Our Delivery Works
We work with a nationwide network of trusted suppliers. As a result, items in your basket may be supplied by different suppliers and delivered separately. Where this applies, you'll see multiple delivery charges at checkout. We always aim to group products from the same supplier to keep delivery costs as low as possible.
Delivery Areas & Charges
Delivery charges listed on our website apply to mainland UK, excluding the following postcode areas: AB, CF, DD, DG, FK, KW, IV, LA, LD, LL, NP, PA, PH, SA, SY
If your delivery address falls within one of these postcode areas, we’ll be in touch before processing your order to confirm any additional delivery costs.
Please note: We do not currently offer delivery outside the UK mainland.
Standard (Nationwide) Delivery
|
Core Products Core
|
|
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £300 ex. VAT | £20 ex. VAT |
| Over £300 ex. VAT | FREE |
Core Delivery charges apply only when all products in an order that have equivalents are accepted as such. If even one product cannot be substituted with an equivalent, the entire order will not qualify for Core Delivery charges.
| Insulation, Plasterboard and Drylining Products | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £350 | £35 ex. VAT |
| Over £350 ex. VAT | FREE |
| Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £300 | £10 ex. VAT |
| Over £300 ex. VAT | FREE |
| Screws & Fixings and Adhesives & Sealants | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £50 | £5 ex. VAT |
| Over £50 ex. VAT | FREE |
Express Delivery
| Express Delivery - Insulation and Plasterboard & Drylining | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £400 | £50 ex. VAT |
| Over £400 ex. VAT | £35 ex. VAT |
| Express Delivery - Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £300 | £50 ex. VAT |
| Over £300 ex. VAT | £35 ex. VAT |
Returns
We offer a 30 day returns policy on any faulty products.
Key Features
- {{fact_check}} Suited for partitions, linings, and ceilings
- {{format_paint}} Ideal for direct decoration or plaster finish
- {{handyman}} Can be fixed with screws or dot and dab method
- {{savings}} Cost-effective solution
Technical Specification
| Product: | Wallboard |
|---|---|
| Material Type: | Gypsum |
| Thickness: | 12.5mm |
| Width: | 900mm |
| Length: | 1800mm |
| Sales Unit: | Sheet |
| Sales Unit Coverage: | 1.62m2 |
| Brand: | Knauf Drywall |
| Manufacturer's Reference: | 243667 |
| Weight: | 13.45kg |
| Thermal Conductivity: | 0.19W/mK |
| Edge: | Square |
| Colour: | Ivory |
Technical Downloads
Product Overview
Compact plasterboard sheet, measuring 1800 × 900mm with a 12.5mm square edge, for use in ceilings, partitions, and wall linings where reduced board size aids handling and fixing.
The square edge profile allows boards to butt together without a recess, making it suitable for textured finishes, direct decoration, or traditional jointing and plaster skim methods.
Smaller dimensions improve manoeuvrability on site, particularly in confined spaces or where access is limited, while still providing the same dependable performance as full-size boards.
At 12.5mm thick, the board represents the industry standard, offering reliable strength and stability for partitions and linings while minimising flex and reducing the risk of surface cracking.
Features & Benefits
- Square edge profile: Creates a flush joint suited to skim plaster finishes.
- Ivory paper face: Provides a clean, neutral base for paint, wallpaper, or plaster.
- Lightweight gypsum core: Simplifies lifting, cutting, and fixing.
- Ideal for ceilings: Reduced weight makes overhead work less demanding.
- Made by Knauf Drywall: Backed by quality and compliance standards.
- Compact 1800mm x 900mm sheet: Easier to transport through restricted spaces.
- 12.5mm thickness: Standard for drylining - the basis for most stud and track, lining, and manufacturer specs.
Applications
- Ceiling lining: Reduced weight suited to overhead installation.
- Lofts and attics: Compact size fits confined or angled spaces.
- Bathrooms and stairwells: Easier to move where access is restricted.
- Small partitions: Effective for non-loadbearing dividing walls.
Installation Guidance
- Fix with staggered joints: Improves strength and reduces cracking.
- Cut by scoring and snapping: Ensures accurate sizing.
- Store flat in a dry space: Prevents moisture damage and warping.
Compliance & Performance
- Manufactured in accordance with ISO 14001: Meets environmental standards.
- Manufactured to EN 520: Conforms to plasterboard requirements.
- In full compliance with ISO 9002 and BS1230: Part 1: 1985: Produced under recognised quality standards.
- Complies fully with BS EN520: Verified performance across applications.
- Fire Rating (Reaction to Fire): A2: Approved for internal linings.
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