The 15mm OSB SmartPly Cut to Size service provides OSB3 panels precision-cut to your exact measurements. Order the sizes you need, reduce waste and speed up installation. Because SmartPly engineers this board from responsibly sourced timber with low-emission resins, you get dependable strength, moisture resistance and stability with a smooth, uniform surface that fixes and finishes cleanly.
- Firstly, 15mm thickness offers a robust balance of strength and weight for general structural use.
- Next, custom cutting means your panels arrive ready to fix—no on-site sawing required.
- Additionally, a smooth, consistent surface accepts screws, nails and adhesives and paints well.
- Finally, great value delivers plywood-like performance at a lower price.
Choose 15mm for floor overlays and light decking, wall and roof sheathing, furniture carcasses, sheds and garden buildings, site hoardings, shelving, boxing-in and general joinery. Because the panels are pre-cut, small teams can cover larger areas with fewer joints and less waste.
Enter width × length for each piece and add the quantity. If you’re fitting into a frame or rebate, allow for clearances and expansion gaps. Need help optimising your cut list? Send the sizes and we’ll suggest an efficient panel layout.
Before fixing, acclimatise sheets on site. Then leave the recommended expansion gaps, and finally seal cut or exposed edges in wet zones. The board accepts wood screws, ring-shank nails and common construction adhesives. As practical guidance, many installers use 150 mm centres on supported edges and 300 mm in the field, with 3 mm between boards and 10 mm at perimeters. Always follow your designer’s specification and current building regulations.
SmartPly sources fast-growing timber from responsibly managed forests. Consequently, you reduce environmental impact while keeping the consistent strength and flatness that trade professionals expect.
Need a different thickness? See 11mm, 18mm and 22mm SmartPly Full Boards.
1. What is 15mm OSB SmartPly Cut to Size used for?
Common jobs include floor overlays, wall and roof sheathing, furniture carcasses, sheds, hoardings, shelving and general carpentry.
2. Is 15mm suitable for flooring?
Yes—for overlays and light-to-medium-duty areas where 15mm is specified. For heavily loaded structural floors, 18mm or 22mm is usually required—check your designer’s guidance.
3. Can I use it outside?
Use it behind cladding or beneath a weathering layer. Do not leave OSB exposed to the weather long-term.
4. How accurate is the cut?
Panels are machine-cut for clean edges and consistent sizing. Provide final finished dimensions and allow for expansion where required.
5. How do I fix the boards?
Use screws or ring-shank nails. A common pattern is 150 mm on edges and 300 mm in the field, plus 3 mm between boards and 10 mm at walls.
6. Do you deliver cut panels?
Yes—enter your sizes at checkout and we’ll cut and deliver to your site or home. For lead times and charges, see Delivery & Collection.

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