Knauf Wallboard is a standard gypsum plasterboard for internal drylining applications. This tapered edge board measures 2438 x 1200 x 12.5mm and is suitable for wall and ceiling systems with limited fire and acoustic requirements.
Its aerated gypsum core is enclosed by premium paper liners, with an ivory face that can receive plaster, ready-mixed finishing products or direct decoration.
The board is suited to general residential and commercial drylining, including partitions, wall linings and ceilings installed as part of a compatible Knauf system.
Key Features
Versatile standard board for general internal drylining.
Suitable for wall and ceiling lining systems.
Ivory paper face accepts plaster, ready-mixed finish or direct decoration.
Tapered edges support a smooth taped-and-jointed finish.
Can be used in multiple layers where the specified system requires additional performance.
Technical Information
Product type: Standard gypsum plasterboard
Dimensions L x W x T: 2438 x 1200 x 12.5mm
Edge profile: Tapered edge
Number of tapered edges: 2
Taper width: 40–80mm
Taper depth: 0.6–2.5mm
Face colour: Ivory
Weight per area: 8.1kg/m²
Board density: 640kg/m³
Reaction to fire: A2-s1, d0
Thermal conductivity: 0.25W/mK
Water vapour resistance factor dry/wet: 10/4
Compliance: EN 520 Type A
Applications: Internal wall and ceiling linings with limited fire and acoustic requirements
Suitable finishes: Plaster, ready-mixed finish or direct decoration
Installation standard: BS 8000-8:2023
Store flat on a dry, level surface capable of supporting the boards.
Keep dry at all times and handle in accordance with current manual-handling guidance.
Please Note
Not suitable for high-humidity areas.
Fire, acoustic and structural performance depends on the complete specified system and installation.
We offer reliable delivery services throughout the Republic of Ireland, with straightforward delivery charges for both trade and DIY customers. Delivery options are confirmed at checkout based on your order and delivery Eircode.
Delivery Charges & Delivery Times
Delivery Type
Delivery Area
Delivery Charge
Delivery Time
Small Items
Republic of Ireland
€9.99
3–4 working days
Large & Heavy*
Standard delivery area
€29.99
5–7 working days
Extra Large*
Standard delivery area
€50.00
5–7 working days
Paint 5L or less**
Standard delivery area
€19.99
5–7 working days
Swipe sideways to compare delivery options.
Small Items
Delivery area
Republic of Ireland
Charge
€9.99
Delivery time
3–4 working days
Large & Heavy*
Delivery area
Standard delivery area
Charge
€29.99
Delivery time
5–7 working days
Extra Large*
Delivery area
Standard delivery area
Charge
€50.00
Delivery time
5–7 working days
Paint 5L or less**
Delivery area
Standard delivery area
Charge
€19.99
Delivery time
5–7 working days
*Standard delivery policy. Promotional delivery rates may apply during campaigns.
Additional Information
FREE delivery on eligible Small Items and Large & Heavy orders over €1,499, within the standard delivery area only.
Special Order and Catalogue Products require an additional 5 working days.
FREE collection of old appliances is available through WEEE Ireland when purchasing qualifying large appliances.
FREE Click & Collect is available for items in stock at your selected branch.
Large & Heavy and Extra Large items are available within our standard delivery area only.
Paint delivery Paint in tin cans 5L or less is available for delivery. Larger sizes and paint supplied in plastic buckets are available for Click & Collect only.
TJ O'Mahony offers a 30-day returns policy on eligible unused products, giving you additional time beyond the statutory 14-day cooling-off period applicable to most online consumer purchases.
Eligible products can be returned for a refund or exchange within 30 days of delivery or collection, provided they are unused, in their original and re-saleable condition, complete with all supplied parts and accessories, and accompanied by proof of purchase.
Please note: Return restrictions apply to certain products, including Mixed Paint, certain Bagged Building Products, Solid Fuel, Special Order, Non-Stock and Catalogued Products.
Your statutory rights in relation to faulty, damaged, incorrectly supplied or non-conforming goods are not affected.
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