Best Osb Board 18mm Deals Online in the UK (25 Deals Found)

Last Updated - 14/09/2026 Sort By:

Best Choice
Total Sheds

New
18mm OSB Boards Sheets 8ft x 4ft OSB 3
High quality, engineered panel, ideal for structural applications

£64.58 £67.98
MD Carpentry

New
OSB Board Oriented Strand, OSB3 18mm Thickness,(1, 915mm x 610mm, 3 ft x 2 ft)
OSB Board Oriented Strand Board OSB Sterling Board, OSB3 18mm Thickness, Choose Your Panel Size Versatile Alternative to

£29.99
New
OSB Sterling Board 2400x1200mm 8x4 11mm & 18mm DELIVERY - MINIMUM ORDER 3 SHEETS
OSB sheets osb board 8x4 11mm & 18mm. Plaster & Plasterboards. Thickness -11mm / 18mm. Make the job easier with a panel

£35.00
Best Value
Complete Build

New
Complete Build 2440x1200 OSB 11mm-Sterling Board (2440 x 1220 x 11mm) x 5 Sheet Deal
Complete Build 2440x1200 OSB 11mm Sterling Board 2440 x 1220 x 11mm x 5 Sheet Deal

£124.00
New
OSB Board [3 sheets] (Sterling Board) 8x4 (2400x1200) 11mm or 18mm DELIVERY
The listed price is for 3x sheets. Plaster & Plasterboards. Thickness -11mm / 18mm. Make the job easier with a panel tha

£105.00
HARLOW TIMBER

New
Loft Boards Flooring Pack of 3, 18mm x 1220mm x 300mm
Durable Loft Boards: Our heavy-duty 18mm thick OSB floor boards are designed for strong and reliable loft flooring or at

£37.99
Norbord

New
Norbord OSB 18mm - Structural Oriented Strand Board. 8 x 4 feet (2440mm x 1220mm) Commercial Building Material - Bulk Pa
osb3 18mm Structural OSB. 8 x 4 feet 2440mm X 1220mm Bulk Pack of 12 Sheets

£355.00
New
18mm OSB 3 Sterling Board Structural 2440 x 1220mm (8ft x 4ft)- Multi Qty
ALSO KNOWN AS STERLING BOARD. 2440 x 1220 x 18mm OSB 3 Conditioned Sheets. Precision engineered with no knots and no voi

£816.41
Complete Build

New
OSB 11mm - Sterling Board (2440 x 1220 x 11mm) x 8 Sheet Deal
Built to OSB-3 standards for superior moisture resistance.

£164.00
New
OSB Sheet 1220 x 2440mm Structural Board for Flooring Roofing & Construction
These OSB 3 sheets are high-quality engineered timber boards designed for structural use in both interior and exterior a

£40.20
MD Carpentry

New
Sterling OSB3 Oriented Strand Board, 18mm Thickness, Versatile Plywood Alternative - 1830mm x 1220mm (6 ft x 4 ft)
OSB Board Oriented Strand Board OSB Sterling Board, OSB3 18mm Thickness, Choose Your Panel Size Versatile Alternative to

£99.99
MD Carpentry

New
Sterling OSB3 18mm Oriented Strand Board, Versatile Alternative to Plywood (2, 1220mm x 305mm, 4 ft x 1ft)
OSB Board Oriented Strand Board OSB Sterling Board, OSB3 18mm Thickness, Choose Your Panel Size Versatile Alternative to

£31.99
New
OSB3 Sterling Board Various Sizes - Select your size and quantity in the listing
OSB3 Sterling board. Sheet Sizes Available in these thicknesses11mm & 18mm These boards can be cut to size at no extra c

£73.16
MD Carpentry

New
MD Carpentry OSB Board, OSB Sterling Board, 18mm Thickness, Versatile Alternative to Softwood Plywood, Choose Your Panel
OSB Board Oriented Strand Board OSB Sterling Board, OSB3 18mm Thickness, Choose Your Panel Size Versatile Alternative to

£89.99
New
18mm OSB Board Conditioned OSB3 Sizes 5X2 4x2 3x2 2x2 4x1 3x1 2x1 1x1 ft
✅ 18MM STERLING OSB BOARD – A precision-engineered OSB3 board designed for structural use in load-bearing and challengin

£18.99
HARLOW TIMBER

New
Loft Boards Flooring 10 Pack of 3-18mm Tongue & Groove Panels
Durable Loft Boards: Heavy-duty 18mm thick OSB floor boards designed for strong and reliable loft flooring or attic boar

£241.99
New
OSB Sterling Board Timber Sheet 2440 x 1220mm 8x4ft | 18mm 1 Board
SY14 - SY25. SA32 - SA73. PH45 - PH50. PH15 - PH50. PH15 - PH41. PA20 - PA38. LL30 - LL78. KW1 - KW15.

£35.00
New
Sterling Structural OSB 3 Sheet - 1220 x 2440mm (8' x 4') - 9/11/&18mm Depth
Type: OSB sheets. Width: 1220 mm. Depth: 9/11/& 18mm. Structural: Yes. Coverage: 2.97 m2. This precision engineered pane

£41.99
New
General Purpose OSB3 Board 18x 1220 x 2440MM Structural Sheet Trade UK
🪵 OSB3 Structural Board – 18mm x 1220 x 2440mm. Type: OSB3 Structural Sheet. Length: 2440mm. Roofing and decking. ThisO

£41.79
New
OSB Sterling Board Sheets 9 11 18 mm Oriented Strand Panel Flakeboard Cut Sizes
OSB orOriented Strand Board is a structural grade sheet material that provides a strong alternative to more expensive pl

£71.49
New
Structural OSB 3 Sterling Board (8ft x 4ft) - 9mm, 11mm, 15mm & 18mm
What is OSB 3 Board?. Where is OSB 3 Board Used?. OSB 3 boards are incredibly versatile and can be used for various inte

£51.00
New
OSB BOARDS 2400 x 1200 x 18mm-MIN PRICE FOR 5- FAST UK DELIVERY
Sterling Zero OSB3 FSC is a precision-engineered easy to machine board for structural use, ideal for flooring, roof deck

£170.00
New
OSB Sterling Board 2400x1200 8x4 9mm, 11mm & 18mm -BULK BUY DEAL - FREE DELIVERY
OSB sheets osb board 8x4 11mm & 18mm. Make the job easier with a panel that's simple to saw, drill, nail, plane or sand.

£1,200.00
New
OSB 3 Board Sheets 9mm 11mm 18mm – Roofing Flooring Walls DIY – Multiple Sizes
Upgrade your building and DIY projects with our premium General Purpose OSB 3 Board Sheets. General Purpose OSB 3 Board

£40.75
New
Tongue and Grooved OSB Sterling Board - 18mm X 2400mm X 600mm.
Tongue and Grooved OSB Sterling Board - 18mm X 2400mm X 600mm. COLLECTION 7 DAYS A WEEK. LOCAL DELIVERY AT COST. DISCOUN

£14.99

25 Osb Board 18mm deals are available from: Amazon, eBay stores, starting from £14.99.
The biggest discount we found is 5% on 18mm OSB Boards Sheets 8ft x 4ft OSB 3 at Amazon.
The lowest price we found is £14.99 while the highest is £1,200.00.
Prices for the best Osb Board 18mm deals average at £159.81.
Last updated on September 14, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Osb Board 18mm.