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The professional standard in MDF thickness.

18mm MDF Sheets

18mm MDF is preferred by professionals for cabinets, wardrobes and shelving. Delivers strength and stability for all furniture applications. Order custom sizes, shipped fast nationwide.

MDF Boards
MDT-MDF - Medite MDF
Offer
MDF Boards, MDT-MDF
Medite Premier MDF
No grain
Size: 2440 x 1220 mm
Thickness: 3, 4, 6, 9, 12, 15, 18, 22, 25, 30, 36 mm
quick view MDT-MDF
MDF Boards
MDT-MRMDF - Medite MR MDF
Offer
MDF Boards, MDT-MRMDF
Medite MR MDF
No grain
Size: 2440 x 1220 mm
Thickness: 6, 9, 12, 15, 18, 22, 25, 30, 36 mm
quick view MDT-MRMDF MDT-MRMDF
MDF Boards
FNS-MRMDF - Finsa Hidrofugo MR MDF
Offer
MDF Boards, FNS-MRMDF-H
Finsa Hidrofugo MR MDF
No grain
Size: 2440 x 1220 mm
Thickness: 6, 9, 12, 15, 18, 22, 25, 30, 36 mm
quick view FNS-MRMDF FNS-MRMDF
MDF Boards
Medite Primed MR MDF
Offer
MDF Boards, MDT-PRMRMDF
Medite Primed MR MDF
No grain
Size: 2440 x 1220 mm
Thickness: 18 mm
quick view Medite MDT-PRMRMDF
MDF Boards
MDT-ECOMDF - Medite Clear MDF
Offer
MDF Boards, MDT-ECOMDF
Medite Clear MDF
No grain
Size: 2440 x 1220 mm
Thickness: 12, 18 mm
quick view MDT-ECOMDF MDT-ECOMDF
MDF Boards
FNS-MDF-BLK - Finsa Fibracolour Black MDF
Offer
MDF Boards, FNS-MDF-BLK
Finsa Fibracolour Black MDF
No grain
Size: 2440 x 1220 mm
Thickness: 18 mm
quick view FNS-MDF-BLK FNS-MDF-BLK FNS-MDF-BLK
MDF Boards
MDT-TRIMDF - Medite Tricoya MDF
Offer
MDF Boards, MDT-TRIMDF
Medite Tricoya Extreme MDF
No grain
Size: 2440 x 1220 mm
Thickness: 6, 9, 12, 15, 18 mm
quick view MDT-TRIMDF MDT-TRIMDF
MDF Boards
MDT-EXTMDF - Medite Exterior MDF
Offer
MDF Boards, MDT-EXTMDF
Medite Exterior MDF
No grain
Size: 2440 x 1220 mm
Thickness: 12, 18, 25 mm
quick view MDT-EXTMDF MDT-EXTMDF
MDF Boards
Kronospan Black MDF
Offer
MDF Boards, KRNB-TX-MDF
Kronospan Black Textured MDF
No grain
Size: 3050 x 1220 mm
Thickness: 18, 36 mm
quick view Kronospan /
MDF Boards
MDT-MDF - Medite MDF
Offer
MDF Boards, MDT-MDF
Medite Premier MDF
No grain
Size: 2440 x 1525 mm
Thickness: 6, 12, 18, 25 mm
quick view MDT-MDF
MDF Boards
MDT-MDF - Medite MDF
Offer
MDF Boards, MDT-MDF
Medite Premier MDF
No grain
Size: 3050 x 1220 mm
Thickness: 3, 4, 6, 9, 12, 15, 18, 22, 25, 30 mm
quick view MDT-MDF
MDF Boards
MDT-MDF - Medite MDF
Offer
MDF Boards, MDT-MDF
Medite Premier MDF
No grain
Size: 3050 x 1525 mm
Thickness: 12, 15, 18, 25 mm
quick view MDT-MDF
MDF Boards
MDT-MRMDF - Medite MR MDF
Offer
MDF Boards, MDT-MRMDF
Medite MR MDF
No grain
Size: 3050 x 1220 mm
Thickness: 6, 9, 12, 15, 18, 22, 25, 30, 36 mm
quick view MDT-MRMDF MDT-MRMDF
MDF Boards
FNS-MRMDF - Finsa Hidrofugo MR MDF
Offer
MDF Boards, FNS-MRMDF-H
Finsa Hidrofugo MR MDF
No grain
Size: 3050 x 1220 mm
Thickness: 9, 12, 15, 18, 22, 25, 36 mm
quick view FNS-MRMDF FNS-MRMDF
MDF Boards
Finsa Hidrofugo Primed MR MDF
Offer
MDF Boards, FNS-PRMRMDF-H
Finsa Hidrofugo Primed MR MDF
No grain
Size: 2440 x 1220 mm
Thickness: 18 mm
quick view Finsa FNS-PRMRMDF
MDF Boards
MDT-FRMDFB - Medite FR MDF
Offer
MDF Boards, MDT-FRMDFB
Medite FR MDF (Class B)
No grain
Size: 2440 x 1220 mm
Thickness: 6, 9, 12, 15, 18, 25 mm
quick view MDT-FRMDFB MDT-FRMDFB
MDF Boards
MDT-FRMDFB - Medite FR MDF
Offer
MDF Boards, MDT-FRMDFB
Medite FR MDF (Class B)
No grain
Size: 3050 x 1220 mm
Thickness: 6, 9, 12, 15, 18 mm
quick view MDT-FRMDFB MDT-FRMDFB
MDF Boards
MDT-EXTMDF - Medite Exterior MDF
Offer
MDF Boards, MDT-EXTMDF
Medite Exterior MDF
No grain
Size: 3050 x 1220 mm
Thickness: 18 mm
quick view MDT-EXTMDF MDT-EXTMDF
MDF Boards
MDT-TRIMDF - Medite Tricoya MDF
Offer
MDF Boards, MDT-TRIMDF
Medite Tricoya Extreme MDF
No grain
Size: 3050 x 1220 mm
Thickness: 18 mm
quick view MDT-TRIMDF MDT-TRIMDF
MDF Boards
MDF

Product Description

MDF board measuring 2440mm (L) × 1220mm (W) × 18mm (T). Industry standard for cabinetry, shelving, wardrobes and furniture-making. Delivers strength and rigidity for professional and commercial applications.


Looking to other MDF thicknesses? Explore our 15mm MDF sheets for lighter builds, or consider 22mm boards for heavier-duty work. We also stock 12mm, 25mm and 30mm MDF for all applications.

Cut to size and delivered fast across the UK.

Order Premium MDF Boards

Medite MR MDF
Medite MR MDF
Buy 18mm Moisture-Resistant MDF for kitchens and bathrooms. Enhanced resin protects against swelling and warping in wet areas. Order cut to size for immediate installation.
Finsa Hidrofugo MR MDF
Finsa Hidrofugo MR MDF
Choose Finsa Hydrofugo 18mm MR MDF for high-humidity spaces. Superior moisture resistance for bathrooms, kitchens and laundry rooms. We cut to size and ship nationwide.
Medite Tricoya Extreme MDF
Medite Tricoya Extreme MDF
Buy 18mm Tricoya Extreme for exterior durability. Advanced acetylated formula withstands weather and moisture. Custom cut and delivered for outdoor use.

Join thousands of happy customers
Order your 18mm MDF today.

Material & performance details.

Technical Specifications

Core Specs
Core Specs
• Medium Density Fibreboard (MDF)
• 18mm thickness
• 2440 × 1220mm
• 2440 × 1525mm
• 3050 × 1220mm
• 3050 × 1525mm
Finish & Look
Finish & Look
• Raw finish
• Plain texture
• No grain
Features & Services
Features & Services
• Moisture resistant available
• Fire Retardant available
• Cut to size available
• CNC machining available

Built for professional furniture and cabinetry.

Common Uses

Order 18mm MDF for cabinets, shelves and furniture. Perfect for kitchens, wardrobes and retail projects. Industry-standard thickness for professional builds. Cut to measure and shipped nationwide.

18mm Kitchen & Bathroom Cabinetry
18mm Kitchen & Bathroom Cabinetry
Kitchen & Bathroom Cabinetry
Order 18mm MDF for kitchen cabinets and bathroom vanities. Perfect for doors, shelves and storage units. Strong enough for hinges and hardware. Cut to size and delivered ready to install.
18mm Fitted Wardrobes & Bedroom Furniture
18mm Fitted Wardrobes & Bedroom Furniture
Fitted Wardrobes & Bedroom Furniture
Use 18mm MDF for built-in wardrobes and bedroom storage. Ideal for shelving, hanging rails and drawer boxes. Smooth finish accepts paint and veneer. Order custom sizes delivered to your door.
18mm Retail & Commercial Shelving
18mm Retail & Commercial Shelving
Retail & Commercial Shelving
Get 18mm MDF for shop displays and commercial shelving. Perfect for retail units and storage systems. Strong enough for heavy loads and constant use. Cut to measure and shipped fast nationwide.

Delivery & Services

 Orders ship quickly with multiple delivery options. Expert packing protects panels during transit. Our delivery vehicles handle all boards safely and professionally nationwide.

Cutting & Edging Services
Cutting & Edging Services
Order your 18mm MDF cut to exact size with precision accuracy. Standard service takes 3-4 working days. Add edgebanding for a finished look. Rush service available for urgent projects.
Nationwide Delivery
Nationwide Delivery
We deliver full sheets and cut-to-size boards across the UK. Heavy panels are packed securely and handled by our professional crew on every delivery.
Expert Consultation
Expert Consultation
Our sales team helps you choose the right board and thickness for your project. Call 0208 236 2313 or use Live Chat for instant advice and support.

Complete your order.

Additional MDF Services

Boards Cut to Size

Our sheet cutting service uses advanced industrial machinery and cutting software to plan each job efficiently, producing smooth, chip-free cuts Cworkshop. Every cut is inspected and saw blades are maintained regularly to ensure consistently high-quality results. Standard service takes 3-4 working days. Fast Flow service available for 24-48 hour if you need your order sooner

MDF Cut to Size
Panel Edgebanding

Our edgebanding machines use PUR glue, which provides excellent tape-to-panel adhesion and seals the edge, protecting against water ingress. We can edgeband panels as narrow as 20mm and up to 60mm in height with various edging options including solid wood, veneer or ABS tape. PUR glue forms a solid bond with immediate adhesion, possesses superior flexibility and is water-impenetrable.

Board Edgebanding

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MDF Boards
MDF

Frequently Asked Questions

Call our expert team on 0208 236 2313 or use our Live Chat for instant customer support.

What is 18mm MDF best used for?
Is 18mm MDF strong enough for shelving?
Can I use 18mm MDF in kitchens and bathrooms?
How much does an 18mm MDF sheet weigh?
Can you cut 18mm MDF to size for me?
What's the difference between 18mm and 22mm MDF?
How should I finish 18mm MDF?
Is 18mm MDF suitable for commercial projects?

Customer Reviews

Cabinet makers and carpenters rely on 18mm MDF for every project.
Our 4.9/5 star rating reflects expert delivery, technical support and material excellence.

EXCELLENT
Based on 652 reviews
b g
b g
4 days ago
5
Very happy with Cworkshop service, all their people are friendly helpful and knowledgable ! One of the best if not the best wood/ cut to order shop in uk.
Aymon Spee
Aymon Spee
4 days ago
5
I’ve used Cworkshop now for several years. There materials are premium, cutting service 100% accurate and there customer service is reliable and outstanding.
Stephen
Stephen
1 weeks ago
5
Highly recommended. Great service. Everything perfectly machined, drilled and painted perfectly as per my order. The service took a little longer than I would have ...
Read more
R M
R M
1 weeks ago
5
Always, a great service and timely turnaround.
Elena Revelas
Elena Revelas
1 weeks ago
5
Excellent service! Highly recommend
Martin Hughes
Martin Hughes
1 weeks ago
5
Great service very helpful online and in person at pick up. Sheet materials were very accurately cut, and there were no damages or scuffs.
Greg Havens
Greg Havens
1 weeks ago
5
I couldn't be more impressed. Their customer service is second to none, and I mean, not just one person but all the individuals who answered the phone and helped me with ...
Read more
Stuart Crawford
Stuart Crawford
2 weeks ago
5
Great service. Very fast turn around and everything to perfectly and exact.
sakkie vdc
sakkie vdc
2 weeks ago
5
As usual the service I received from C Workshop was excellent. There was a little mishap in their system and my order didn’t get cut, I called to follow up when I ...
Read more
Modzzo Modzzo
Modzzo Modzzo
2 weeks ago
5
Used these guys first time, went to college pieces that i ordered myself and the guy who approached went above and beyond. Very happy with product and service thanks ...
Read more
Milos Jevtovic
Milos Jevtovic
2 weeks ago
5
All arrived very quick and in good condition.
Kevin Lumley
Kevin Lumley
3 weeks ago
5
A big fan of cworkshop since using them from 2019. The cutting list tool is brilliant. So is the customer service. I asked for collection and gave date, no problem, ...
Read more
Alan Johnson
Alan Johnson
3 weeks ago
5
Excellent customer service, good quotation system, prompt turnaround, quality workmanship, id recommend.
Rob Pullman
Rob Pullman
1 months ago
5
Everything came exactly how expected and on timeDefinitely use them again
Sangita Patel
Sangita Patel
1 months ago
5
Mind blowing choice of finishes for doors, worktops, etc.
C Workshop
Google reviews
652 reviews
4.9
You can read all our reviews by following the link below.

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