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12.5mm Standard Plasterboard Tapered Edge 2400mm x 1200mm (8' x 4')

SKU
BA001730
-£0.55
From £10.19 £8.49 From £10.74
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  • 2400 x 1200mm (8x4) sheet, covers 2.88m²
  • Tapered edges for a flush taped finish
  • For internal walls, ceilings and partitions in dry areas
  • A2-s1,d0 fire rating
Description

Product Information

12.5mm plasterboard is the everyday choice for internal walls, ceilings and partitions. This full-size 8x4 plasterboard sheet measures 2400 x 1200mm, covers 2.88m² and weighs up to 26kg, so it is best carried and fixed by two people. Tapered edges allow a smooth, flush finish with tape and joint compound or a plaster skim.

Use & Application

This 12.5mm tapered edge plasterboard covers most boarding jobs on new builds, extensions and renovations. Typical uses include:

  • Dot and dab linings: Bonding direct to brick and blockwork with plasterboard adhesive.
  • Stud walls: Boarding both faces of new timber or metal stud partitions.
  • Ceilings: Boarding across timber joists or a suspended MF ceiling.
  • Reboarding: Replacing damaged, cracked or outdated plasterboard in existing rooms.

When fixing 12.5mm plasterboard, set screws 10–15mm in from the edges and push joints tight together. The board is for dry rooms only, so keep it out of bathrooms, kitchens and other humid spaces, and store it flat until use.

Need a different board? 15mm plasterboard offers extra impact resistance, while 6x3 plasterboard comes in smaller 1800 x 900mm sheets for tight access. Or compare all sizes in our standard plasterboard range.

Benefits

  • Large-format sheets: Each plasterboard 2400 x 1200 sheet covers more area than smaller formats, leaving fewer joints to tape and fill.
  • Rigid board: Bending strength of at least 550N along the long side, giving a firm surface on walls and ceilings.
  • Durable edges: Strong chamfered edges help resist chipping and damage during handling and fixing.
  • Low combustibility: A2-s1,d0 fire rating under the Euroclass system.
  • EN 520 compliant: Manufactured to the European standard for gypsum plasterboards.
  • Quick to cut: Score, snap and trim to size with a utility knife.

FAQs

What Is 12.5mm Tapered Edge Plasterboard Used For?

This 12.5mm tapered edge plasterboard is used to line internal walls, ceilings and stud partitions in dry areas. Its long edges have a shallow recess, so joint tape and filler sit flush with the board face for a smooth, paint-ready finish without skimming the whole surface. The board can also be skimmed if you prefer a full plaster finish.

How Many Square Metres Does an 8x4 Sheet of Plasterboard Cover?

This 8x4 sheet measures 2400 x 1200mm and covers 2.88m². To work out how many sheets you need, divide the wall or ceiling area by 2.88 and add around 10% for cuts and waste; for example, a 3m x 2.4m wall (7.2m²) needs three sheets.

How Much Does a Sheet of 12.5mm Plasterboard Weigh?

Each sheet of this 12.5mm plasterboard weighs up to 26kg, based on a maximum of 9kg per m². The manufacturer recommends two people carry each sheet with the long edge parallel to the ground. For ceilings, a board lifter makes holding sheets in place much easier.

What Size Screws Do I Need for 12.5mm Plasterboard?

To fix this board in a single layer, use 38mm plasterboard screws into timber studs or joists, or 25mm fine-thread screws into metal studs and ceiling systems. Space screws at about 300mm centres on walls and 230mm on ceilings, keeping them 10–15mm from the board edges. On 600mm stud centres, that works out at roughly 27–30 screws per wall sheet.

Is 12.5mm Plasterboard Fire Rated?

This board has an A2-s1,d0 reaction to fire classification, meaning limited combustibility, very little smoke and no flaming droplets. That is different from a fire resistance rating in minutes, which depends on the complete wall or ceiling system and often requires fire-rated board. Full details are in the data sheet available on this page.

Specification
More Information
Length2400mm
Width1200mm
Thickness12.5mm
MaterialGypsum
ApplicationCeiling, Walls
FeaturesGeneral Purpose
Coverage 2.88m²
Fire RatingA2-s1,d0
Edging Tapered Edge
Moisture resistant No
Delivery Information

Delivery Information

We offer fast and reliable delivery across London, Essex, and surrounding areas beyond the M25.

  • We aim to deliver on the same or next working day whenever possible for stocked items.
  • The standard delivery timeframe is 1–5 working days, depending on your location and product type.
  • Orders are delivered kerbside only — please notify us in advance of any access restrictions.

Once your order is placed, our Customer Care team will be in touch to confirm delivery details.
If your delivery is scheduled for the morning, we will call you the evening before to confirm the timing.
We also send a confirmation email once your order is booked in.
While we always aim to deliver on time, please note that delays may occasionally occur due to circumstances beyond our control (e.g. traffic, supplier delays, access restrictions).

Delivery Areas & Charges

Minimum order values vary by postcode.

Click here to view our full postcode list and delivery thresholds

If your postcode isn’t listed, we may still be able to deliver — please share your address and basket total, and we’ll confirm availability within 24 hours.

Returns & Refunds

  • We accept returns within 28 days for most unused and resaleable items.
  • A restocking fee and collection charge may apply.
  • Some items (e.g. custom-made, opened, or time-sensitive materials) are non-refundable.
  • Refunds are processed within 28 days to the original payment method.

Please view our full returns policy

Stocked vs. On-Request Products

  • Stocked items are dispatched promptly from our local branches.
  • On-request or special order items may take longer. We’ll confirm the expected lead times after checkout.
Returns & Refunds Policy

Returns Policy

Our general return policy terms are outlined below.

  1. We would gladly accept returns for anything you have purchased from us online within 28 days of delivery if you should change your mind and desire to return anything purchased from us, subject to our terms and conditions related to goods not being eligible for a refund. The products you want to return must be brand new, unused, and in perfect condition for resale.
  2. If you are a consumer as defined by the Consumer Contracts Regulations and you cancel your purchase within 28 calendar days from the day after receiving the products, you will get a refund that includes shipping charges, minus any deduction imposed in accordance with section 7.) below.
  3. If you decide to cancel your order, you are obliged to return the goods at your own expense. This must be done via a tracked and signed for delivery, or you may also refer to our section on returning items in-store (1)
  4. Before returning the items, you must provide us with written notice. If a package is returned to us by courier without warning, we retain the right to reject delivery.
  5. Your order number, contact information, and information on the items being returned should all be included in your notice of cancellation. The notification must be sent to us either by email, via our contact us page online, our page online, or alternatively by post.
  6. Until the products have been returned, you have a responsibility to ensure that you treat them with reasonable care. We retain the right to reject your request for a refund if the returned items are not in perfect condition for sale.
  7. If you return an item to one of our locations, there will be a minimum 15% restocking fee added to the returned items.
  8. An additional delivery charge of £40,00 will be applied (the delivery charge may vary depending upon your location and product type) along with the restocking charge if the items must be collected from your site.
  9. It will be the customer's obligation to either pick up the item(s) from our Romford branch or have a courier collect it from us if the item(s) returned are not in line with section 2. The time and date of the collection must be communicated to us via our contact page or via email. Items can only be kept for a maximum of 28 days.
  10. In accordance with the terms and conditions of online sales, the client is responsible for paying the cost of return delivery.
  11. Only the original credit card used for the purchase may be refunded. Refunds will be processed within 28 days of receiving the returned products, provided that section 2 is followed. After inspecting the returned products, we will reimburse the order using the original payment method. Within 28 days of receiving the item(s) back, the whole return process—including the money being refunded to the original payment method—will be completed.
  12. Once the refund is made, you will receive an email confirming the credit is being applied. The refunded amount should reach your account within 2 – 5 working days of receiving the credit-applied email notification.

Exchanging products

  1. If you are dissatisfied with the goods you received, you can exchange them for new ones rather than obtaining a complete refund.
  2. In rare situations, we may be able to deliver replacement items while exchanging the originals. However, this is dependent on the nature of the reported concern. For further information, please contact our customer service team.

In-store Return

  1. Please bring your order confirmation and picture ID if you wish to return something in-store. Any goods returned to other branches will be rejected and sent to the Romford branch.
  2. All refunds will be provided in accordance with our usual returns procedure, as outlined in the general returns policy conditions listed above. Please see components for further details (1–9). Refunds are only available to the original payment card.
  3. All orders returned in person to our Romford Branch may only be accepted between our Ecommerce hours of Monday to Friday, 7:00 a.m. to 5:00 p.m. If the order is returned outside of these hours, it will be denied, and you will be asked to return it within our regular business hours.

Products not eligible for refund

  1. Due to the nature of our products, we cannot accept returns on some items.
  2. Goods that we cannot ensure can be resold in line with health and safety regulations, such as packaged products that we cannot guarantee were stored in specific for that product conditions and, as a result, may be compromised in nature and cannot be returned.
  3. Goods that we cannot confirm can be resold in line with health and safety regulations, such as packaged products that we cannot guarantee were stored in specific for that product conditions and, as a result, may be compromised in nature and cannot be returned.

Please find here the list of items we do not offer refunds:

  • Made-to-measure or bespoke/personalised products.
  • Perishable goods.
  • Any product with short shelf life or sell-by date.
  • Any bulk bag products
  • Sand or products delivered in an open fashion.
  • Specially obtained/ordered goods.
  • Boilers/Cylinders which have been opened.
  • Cementitious goods (e.g. cement).
  • Plaster-based products (e.g. multi-finish).
  • Mixed paints/liquids
  • Chemicals/liquids which have been opened.
  • PIR insulation boards.
  • Toilet seats have been opened due to hygiene purposes.
  • Sealed/sensitive electrical goods, if in sealed packages that have been opened, e.g. circuit boards.
  • Goods that have been fitted/installed.
  • Any goods have become mixed inseparably with other items/orders after their delivery.

We cannot give a refund or exchange due to the nature of these materials unless they are damaged. Please keep in mind that in some cases, store credit may be granted to be used for your future order.

Faulty Products

  1. Suppose the goods delivered (including custom orders and made-to-measure items) are defective or damaged. In that case, we will repair/exchange them or give you with a full refund, including shipping expenses.
  2. If an item(s) supplied by our local transportation comes broken or defective, we will only recover the damaged / faulty item(s). If you want to return another product as a regular return, you must bring it back to the Romford branch.
  3. Any defect or damage must be reported in writing, with a photo of the damage and a detailed explanation of the problem, to our contact us page within three working days of the products being delivered to you. We have the right to check any returned items before issuing a partial refund, full refund, or product exchange.
  4. Goods manufactured to your requirements, bespoke, or those that cannot be returned due to their nature.
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