Dulux Undercoat Black 2.5L
Dulux Undercoat Black 2.5L is backordered and will ship as soon as it is back in stock.
Pick up available at Skibbereen & Bantry within 3-5 days
Measurements
Measurements
Application: Brush or roller only. Coverage: 16m² per litre. Drying Time: Touch Dry in 4-6 hours. Recoat: After 16 hours.
Shipping & Dispatch
Shipping & Dispatch
Dispatch Time: We typically dispatch orders within 1 working day if all items are in stock.
Weekend Orders: Orders placed on Saturday or Sunday will be dispatched on the following Monday. If Monday is a Bank Holiday, we'll dispatch on Tuesday.
Delivery Time for Ireland: Once dispatched, deliveries within Ireland typically take 2 to 5 working days.
Same-day Dispatch: Orders placed before 9.30 AM are usually dispatched the same day, thanks to our pick-up time with Fastway.
| Destination | Fee |
| Republic of Ireland & Northern Ireland (orders over €100) | Free |
| Republic of Ireland & Northern Ireland (orders under €100) | €7.99 |
| Mainland UK | Please contact us for pricing. |
| Rest of Europe | Please contact us for information. |
| For prices to other countries please contact us | info@thornhillbrothers.ie |
Note: Orders are subject to a max weight of 30kg. Also, for now, we do not send parcels to P.O Box or Parcel Motel addresses.
Local Delivery
We offer FREE local delivery in county Cork, within 100km of either of our stores, for select products on our site. Local delivery orders are delivered within 2-3 business days. You can check local delivery eligibility of products on their product pages.
Dispatch & Delivery
Dispatch Time: We typically dispatch orders within 1 working day if all items are in stock.
Weekend Orders: Orders placed on Saturday or Sunday will be dispatched on the following Monday. If Monday is a Bank Holiday, we'll dispatch on Tuesday.
Delivery Time for Ireland: Once dispatched, deliveries within Ireland typically take 2 to 5 working days.
Same-day Dispatch: Orders placed before 9.30 AM are usually dispatched the same day, thanks to our pick-up time with Fastway.
Local Delivery: Typically delivered in 2-3 business days. Only available for county Cork orders.
Prepare your wood and metal for a gloss finish with Dulux Undercoat Black. This solvent-based undercoat provides a flat base for your topcoat, with strong hiding power and smooth levelling to help you achieve an even finish.
- Prepare wood and metal: Suitable for interior and exterior wood and metal surfaces.
- Create a base for gloss: Designed as a partner for Dulux High Gloss, helping support gloss retention.
- Cover effectively: Excellent opacity and hiding power help create an even base.
- Coat edges: Good cling to sharp edges helps you cover detailed areas.
- Apply with your preferred tool: Suitable for brush or roller application.
- Plan your coverage: Covers up to 16 m² per litre, or up to 40 m² per 2.5L tin for one coat, depending on the surface.
Frequently Asked Questions
Can I use this on wood and metal?
Yes. It is suitable for interior and exterior wood and metal surfaces.
Is this my final coat of paint?
No. This is an undercoat that prepares the surface for a topcoat. It is designed to be used with Dulux High Gloss.
How do I apply it?
Use a brush or roller. Follow the instructions on the tin for surface preparation and the appropriate coating system.
How much will a 2.5L tin cover?
At the stated coverage of up to 16 m² per litre, a tin can cover up to 40 m² for one coat. Actual coverage depends on the surface and application.
How long should I wait before recoating?
The listed drying times are 4–6 hours to touch dry and at least 16 hours before recoating. Follow the tin's instructions and allow for conditions that may affect drying.
What safety precautions should I know about?
This product is a flammable liquid and vapour. It contains 2-butanone oxime, which may produce an allergic reaction. Read the safety information on the tin before use.
Solvent-based undercoat. Contains 2-butanone oxime, which may produce an allergic reaction. Flammable liquid and vapour. Refer to the tin for full safety information.

