Split your purchase of £26.75 into 3 with no sign-up fees or late fees.
£8.92
today
£8.92
1 month
£8.92
2 months
How it works
Choose PayPal at checkout to pay later with Pay in 3.
Complete your purchase with the first payment today.
Remaining payments are taken automatically.
Pay in 3 is a form of credit, so carefully consider whether the purchase is affordable and how you will make the repayments. Be aware of the possible impact of using Pay in 3 and of missing payments, including making other borrowing more difficult or more expensive. Pay in 3 eligibility is subject to status and approval. 18+ UK residents only. Available for purchases of £30 to £2,000. Terms and conditions apply. PayPal Pay in 3 is a trading name of PayPal (Europe) S.à r.l. et Cie, S.C.A. 22-24 Boulevard Royal L-2449, Luxembourg.
Get what you need for your next project, choose how you pay.
Pay in 30 days
£26.75
Pay in full
Klarna's Pay in 30 days is an unregulated credit agreement. Borrowing more than you can afford or paying late may negatively impact your financial status and ability to obtain credit. 18+, UK residents only. Subject to status. T&Cs and late fees apply.
Pay over time
£8.92 Every 30 days
Pay in 3
£8.92
today
£8.92
in 30 days
£8.92
in 60 days
Klarna's Pay in 3 is an unregulated credit agreement. Borrowing more than you can afford or paying late may negatively impact your financial status and ability to obtain credit. 18+, UK residents only. Subject to status. T&Cs and late fees apply.
How it works
At checkout select Klarna.
Choose your payment plan.
Different payment plans may be shown depending on the purchase amount and credit score.
Complete your checkout.
The amount will be charged based on the payment plan you chose.
Split your purchase of £26.75 into 4 with no sign-up fees or late fees. Your purchase will be split into 4 payments, payable every 2 weeks
£6.69
today
£6.69
second payment
£6.69
third payment
£6.69
fourth payment
How it works
Choose Clearpay at checkout to pay later with Pay in 4.
Complete your purchase with the first payment today.
Remaining payments are taken automatically.
Clearpay is unregulated credit. Use responsibly. 18+, T&Cs and late fees apply at clearpay.co.uk/en-GB
Clearpay lends you a fixed amount of credit so you can pay for your purchase over 4 instalments, due every 2 weeks. Ensure you can make repayments on time. You must be 18+ and a permanent UK resident (excl Channel Islands). Clearpay charges a £6 late fee for each late instalment and a further £6 if it’s still unpaid 7 days later. Late fees are capped at £6 for orders under £24 and the lower of £24 or 25% of the order value for orders over £24. Missed payments may affect your ability to use Clearpay in the future and your details may be passed onto a debt collection agency working on Clearpay’s behalf. Clearpay is credit that is not regulated by the Financial Conduct Authority. T&Cs and other eligibility criteria apply at clearpay.co.uk/terms
£26.75ex. VAT
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Key Features
{{shower}} Ideal for use in humid environments
{{fitness_center}} High internal bond strength
{{construction}} Easily shaped with machine tools and hand tools
{{checklist}} Suitable for a wide range of machining and surface finishes
Technical Specification
Technical Specification
URN:
4004003
Product:
Moisture Resistant
Application:
Shelving, cabinets, manufacturing
Indoor/Outdoor Usage:
Indoor
Thickness:
18mm
Width:
1220mm
Length:
2440mm
Weight:
34kg
Sales Unit:
Sheet
Sales Unit Coverage:
2.98m2
Grade:
Medium density fibreboard
Wood Species:
Pine / Spruce
Edge:
Square
Bond Class:
BS EN622-5
Finish:
Sanded
Formaldehyde Level:
E1 (low)
Country of Origin:
Wales
Product Overview
Moisture resistant MDF board, measuring 18mm thick and sized 2440mm x 1220mm (8' x 4'). This high-density engineered panel is designed for interior environments exposed to humidity, such as kitchens, bathrooms, and laundry rooms.
Manufactured with moisture-repellent resins, the board provides improved performance compared with standard MDF, resisting swelling and distortion in humid conditions. Its uniform composition ensures clean machining, making it suitable for CNC routing and bespoke joinery.
The smooth surfaces accept paint, laminate, or veneer for decorative finishes.
Features & Benefits
Moisture resistant: Enhanced with resins to withstand humid indoor conditions.
Smooth finish: Sanded surfaces ready for paint, veneer, or laminate.
Reliable machining: Consistent fibre structure cuts cleanly with hand tools or CNC.
Stable construction: Resists warping and swelling in humid areas.
Cost-efficient: Affordable option for humidity-prone interior projects.
Large sheet size: 2440mm x 1220mm format for broad coverage.
Nominal thickness 18mm: Robust format ideal for furniture and shelving.
Applications
Kitchen and utility cabinetry: High-density 18mm core provides the necessary structural integrity for carcasses, doors, and shelving in areas prone to ambient steam.
Bathroom furniture and vanities: Moisture-resistant resins prevent dimensional instability and surface warping in high-humidity environments when correctly primed and finished.
Skirting boards and architraves: Precision-machined 18mm profile allows for clean routing of decorative patterns that remain stable in kitchens and bathrooms.
Interior wall panelling: Impact-resistant substrate provides a smooth, paintable surface for decorative wainscoting and wall cladding in high-traffic residential areas.
Boiler housings and boxing-in: Enhanced moisture resistance makes this board suitable for concealing pipework and boilers where temperature fluctuations and condensation occur.
Bespoke furniture making: Homogeneous core construction allows for intricate machining and edge-profiling for high-quality internal joinery and storage solutions.
Installation Guidance
Preparation: Store flat in dry conditions; acclimatise before use.
Cutting: Use sharp saw blades or CNC machines for precise edges.
Fixing: Secure with appropriate screws, glue, or nails.
Finishing: Apply primer before painting or decorative finishing.
Environment: Suitable for humid, but not wet, interior conditions.
Compliance & Performance
Material specification: Moisture resistant medium density fibreboard (MDF).
Surface finish: Smooth, sanded both faces.
Compliance: Conforms to BS EN622-5 for humid conditions; E1 formaldehyde rating.
Important note: Not waterproof; avoid prolonged water exposure.
Delivery & Returns Information
Delivery charges vary by product category and order value. Items may ship from different suppliers and arrive separately, so delivery charges can be shown per part of your order at checkout.
Standard (Nationwide) Delivery
Core Products
Core
ORDER VALUE
DELIVERY CHARGE
Under £300
ex. VAT
£30
ex. VAT
Over £300
ex. VAT
FREE
Core Delivery charges apply only when all products in an order that have equivalents are accepted as such. If even one product cannot be substituted with an equivalent, the entire order will not qualify for Core Delivery charges.
Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products
ORDER VALUE
DELIVERY CHARGE
Under
£300
£25
ex. VAT
Over
£300
ex. VAT
FREE
Express Delivery
Express Delivery - Insulation and Plasterboard & Drylining
ORDER VALUE
DELIVERY CHARGE
Under
£400
£90
ex. VAT
Over
£400
ex. VAT
£55
ex. VAT
Express Delivery - Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products
We work with a nationwide network of trusted suppliers. Items in your basket may be supplied by different suppliers and delivered separately. Where this applies, you will see delivery charges shown at checkout for each part of your order. We always aim to group products from the same supplier to keep delivery costs as low as possible.
Delivery areas
Delivery charges apply to mainland UK, excluding: AB, CA, CF, DD, DG, EH, EX, FK, KA, KW, KY, IV, LA, LD, LL, ML, NP, PA, PH, PL, SA, SY, TR, TQ and TD.
If your address is in one of these areas, we will contact you before processing your order to confirm any additional costs. We do not currently offer delivery outside the UK mainland.
What to expect on delivery day
Deliveries are typically kerbside.
Please ensure someone is on-site to accept delivery. For heavier items, help with offloading may be required.
Many building materials arrive on large vehicles. If access is restricted, a specialist vehicle such as a HIAB may be required and could incur an additional charge.
Why delivery can cost more than typical parcel delivery
Building materials often travel on larger vehicles and usually carry fewer drops per run than parcel networks. That is why delivery charges can be higher than standard e-commerce shipping.
Returns
Returns depend on what you have bought and whether there is anything wrong with it. For full details on eligibility, timeframes, and exclusions, please see our full policy.
Yes, you can paint moisture-resistant MDF, but you must use a solvent-based primer or a specialist MDF primer first. Avoid water-based primers for the initial coat, as they can cause the wood fibres to swell and create a fuzzy, uneven surface.
Be sure to pay extra attention to the edges, which are more porous and require multiple coats of sealer or primer to ensure the board remains moisture-resistant.
If you are unsure about the best finish for a high-moisture area, it is always a good idea to consult a professional decorator.
Is MR MDF suitable for bathrooms?
Yes, it is suitable for bathrooms as it can handle the high humidity and steam typical of those spaces.
However, it is not waterproof and must be fully sealed and painted on all sides and edges to prevent water from soaking into the fibres.
Can this moisture resistant MDF get wet?
Moisture-resistant (MR) MDF is designed for high-humidity areas like kitchens or bathrooms, but it is not waterproof.
While it can handle steam and occasional dampness, it will swell, warp, and eventually degrade if it comes into direct contact with standing water or persistent leaks.
Learn more
Learn more
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