BG Thistle Bonding Coat (25kg)

BG Thistle Bonding Coat

Size: 25kg

The BG Thistle Bonding Coat is a high-performance undercoat plaster designed for use on smooth, low-suction backgrounds such as concrete, engineering bricks, or painted surfaces. This product is part of British Gypsum's Thistle range, specifically formulated to provide an optimal key or bonding layer that promotes adhesion when applying subsequent layers of finish plaster.

Key Features and Composition

• Adhesion Enhancement: The Bonding Coat is engineered with enhanced adhesion properties, making it ideal for difficult surfaces where standard plasters would struggle to adhere effectively. It incorporates additives that improve its grip, ensuring a strong bond between the substrate and the final plaster layer.

• High Versatility: Suitable for a wide range of substrates, including dense concrete blocks, smooth plasterboard, and other low-porosity materials. This versatility makes it a go-to solution for plastering professionals working with challenging surfaces.

• Setting Time: Thistle Bonding Coat typically offers a setting time of around 2 hours, though this can vary depending on environmental conditions such as temperature and humidity. This allows ample time for application and leveling, while still ensuring a relatively quick turnaround for subsequent layers.

• Thickness: It can be applied in layers up to 11mm thick, providing the flexibility needed to level uneven surfaces or cover imperfections in the underlying substrate. For deeper fills, the plaster can be applied in multiple layers.

• Surface Texture: Once applied, the plaster provides a slightly coarse texture, which is ideal for keying in a final skim coat of finishing plaster like Thistle MultiFinish. This roughness is crucial for ensuring that the final layer of plaster bonds well, reducing the risk of delamination or cracking over time.

Application Process

• Preparation: Before applying the BG Thistle Bonding Coat, the surface should be cleaned and free from dust, grease, or loose material. While it's designed for low-suction surfaces, pre-treating very smooth or high-density surfaces with a bonding agent or primer is often recommended to further enhance adhesion.

• Mixing: The plaster comes as a dry powder, typically in 25kg bags, and should be mixed with clean water to a thick, creamy consistency. Care should be taken to avoid adding too much water, as this can weaken the plaster and reduce its bonding capabilities.

• Application: Using a hawk and trowel, the mixed plaster is applied to the wall in a sweeping motion. It should be pressed firmly into the surface to ensure maximum contact and bonding. After the initial application, the plaster can be leveled with a straight edge or darby to ensure a flat, even coat.

• Finishing: Once the bonding coat has partially set but is still slightly workable, it can be scratched with a plasterer's comb or notched trowel to create a key for the finish coat. After the bonding coat has fully set, usually within 24 hours, it can be overcoated with a finishing plaster such as Thistle MultiFinish or a similar product.

Benefits

• Time and Cost Efficiency: By providing a strong adhesion layer, BG Thistle Bonding Coat reduces the need for additional preparatory work, saving time and material costs on the job.

• Durability: When applied correctly, this plaster provides a durable base layer that significantly enhances the longevity and integrity of the final plaster finish. It is resistant to cracking and delamination, ensuring a long-lasting finish.

• Ease of Use: Its manageable setting time and ease of application make it a preferred choice for both professional plasterers and DIY enthusiasts.

Applications

The BG Thistle Bonding Coat is ideal for use in both residential and commercial projects where smooth, low-absorption surfaces need to be plastered. It's commonly used in renovations of older buildings where the original substrates are dense and non-porous, as well as in new construction where modern building materials like concrete blocks are prevalent.

In summary, the BG Thistle Bonding Coat is a crucial material in the plastering process, providing a reliable, strong, and adhesive undercoat for a variety of challenging surfaces. Its use ensures that the final finish is smooth, durable, and aesthetically pleasing.

Delivery

All deliveries are subject to stock and availability.

UK Mainland

**Express Delivery Cut Off – subject to cleared payments and passing of payment security checks by 12pm.

All UK Mainland orders qualify for FREE when you spend £75 ex vat or more*. *Please note certain items do not qualify for free delivery. 

Consignments will be delivered using DPD, Evri, and Shipley, or direct from the supplier if stock is not readily available within our warehouse.

Certain items do not qualify for free delivery - this will be automatically applied at the checkout

Large heavy items may be subject to pallet charges - you will be notified by our customer care team. 

Outside UK Mainland (Including Ireland)

*Please note the following postcodes are classed as Non-Mainland UK or Remote / Rural delivery: AB, IV, KW, PA, PH, HS, KA, ZE, PO30-PO41, IM, JE, GY, BT, TR21-TR25.

The following locations incur a carriage charge starting at £20.83 EX VAT

Europe

It is advised you arrange your own courier collection from our warehouse. If you require assistance Dortech Direct can schedule a delivery for you. Prices are dependent on box quantity and order weight. Please call our sales team for a quotation on 0330 1281212.

United States 

Pricing Information
All product prices are available on quotation only. To receive a customized quote, please contact us directly with your product requirements. We will respond promptly with pricing, availability, and shipping details tailored to your request.

Shipping Information
We are pleased to offer shipping to most locations within the United States, excluding Hawaii and Alaska at this time.

• Eligible Shipping Areas: Continental United States only (Excludes Hawaii and Alaska)

• Delivery Timeframe: Estimated delivery is 10–14 working days from the date of dispatch

• Shipping Confirmation: A confirmation email with tracking details will be sent once your order is shipped

Please note: Delivery times are estimates and may be affected by external factors such as customs processing or carrier delays.

Other Information 

 Please Note

• All available delivery options will be displayed at checkout/basket pages
• Working days do not include Weekends or Bank holidays
• For all enquiries ring 0330 1281212 / [email protected]

BACS & Purchase Orders

• The delivery times & dates are only valid from receipt of funds or valid PO number

Damages

By ordering with Dortech Direct you agree to inspect goods upon delivery. Damaged goods should be rejected. If you notice damage after the goods are delivered, you must report this to us within 48 hours of delivery. Dortech Direct does not accept damage liability for issues reported over 2 working days from the point of delivery.

You can report damage by sending your order details and images of any issues to [email protected]

Returns

If you wish to initiate a product return within 14 days, we gladly offer a refund as long as the item is returned in its original condition, including all packaging, tags, labels, and accessories. Kindly complete the provided return form and include it in the package you are sending back.

Ensure that you diligently fill out all the necessary fields on the Returns Form.

Delivery & Returns for Trade

We will deliver into branch or direct to any customer office/site address.

Returns

If you wish to initiate a product return within 14 days, we gladly offer a refund as long as the item is returned in its original condition, including all packaging, tags, labels, and accessories. Kindly complete the provided return form and include it in the package you are sending back.

Please be aware that orders exceeding £100 excluding VAT are subject to a non-negotiable 40% restocking fee. This charge represents the administrative time and overheads to reprocess the stock. 

Ensure that you diligently fill out all the necessary fields on the Returns Form.