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View Product Reviews11mm Structural OSB 3 Sterling Board 2440mm x 1220mm (8' x 4')
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Delivery & Returns Information
All delivery charges are shown in your basket and are dependent on the total value of items in your basket based on product category.
This charge is based on delivery to mainland UK excluding the following postcodes: AB, DD, KW, IV, LD, LL, PH, SA and SY. If your delivery address is in any of these postcode areas a member of our customer service team will contact you prior to processing your order should an additional delivery charge apply. We do not offer deliveries outside the UK mainland.
Standard (Nationwide) Delivery
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Core Products Core
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| ORDER VALUE | DELIVERY CHARGE |
| Under £300 ex. VAT | £25 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 £100 | £25 ex. VAT | |
| Between £100 - £250 ex. VAT | £20 ex. VAT | |
| Over £250 ex. VAT | FREE | |
| Insulation, Plasterboard and Drylining Products | ||
| ORDER VALUE | DELIVERY CHARGE | |
| Under £150 | £50 ex. VAT | |
| Between £150 - £400 ex. VAT | £35 ex. VAT | |
| Over £400 ex. VAT | FREE | |
| SuperFOIL and YBS products | ||
| ORDER VALUE | DELIVERY CHARGE | |
| Each item | £10 ex. VAT | |
| Over £350 ex. VAT of 1 brand | FREE | |
| Paving Stone Products | ||
| DELIVERY CHARGE | ||
| FREE | ||
| Screws & Fixings and Adhesives & Sealants | ||
| ORDER VALUE | DELIVERY CHARGE | |
| Under £100 | £7.50 ex. VAT | |
| Over £100 ex. VAT | FREE | |
| Thermafleece CosyWool Roll & SupaSoft Insulation | ||
| QUANTITY | DELIVERY CHARGE | |
| 1 | £30 ex. VAT | |
| 2 | £60 ex. VAT | |
| 3 to 12 | £70 ex. VAT | |
| 13 to 24 | £140 ex. VAT | |
| 25 to 36 | £210 ex. VAT | |
| 37 to 48 | £280 ex. VAT | |
| 49 to 60 | £350 ex. VAT | |
| 61+ | £420 ex. VAT | |
| Thermafleece CosyWool Slab, Thermafleece UltraWool & Thermafleece NatraHemp | ||
| QUANTITY | DELIVERY CHARGE | |
| 1 | £30 ex. VAT | |
| 2 | £60 ex. VAT | |
| 3 to 4 | £70 ex. VAT | |
| 5 to 8 | £140 ex. VAT | |
| 9 to 12 | £210 ex. VAT | |
| 13 to 16 | £280 ex. VAT | |
| 17 to 20 | £350 ex. VAT | |
| 21+ | £420 ex. VAT | |
| Block Pavers | ||
| ORDER VALUE | DELIVERY CHARGE | |
| Under £100 | £17.50 ex. VAT | |
| Between £100 - £200 ex. VAT | £30.50 ex. VAT | |
| Between £200 - £900 ex. VAT | £105 ex. VAT | |
| Over £900 ex. VAT | FREE | |
| Artificial Grass | ||
| ORDER VALUE | DELIVERY CHARGE | |
| Under £100 | £12 ex. VAT | |
| Between £100 - £200 ex. VAT | £16.50 ex. VAT | |
| Over £200 ex. VAT | £22 ex. VAT | |
| Doors and Feature Panelling | ||
| QUANTITY | DELIVERY CHARGE | |
| 1 to 2 | £35 ex. VAT | |
| 3 to 4 | £45 ex. VAT | |
| 5+ | £60 ex. VAT | |
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* Deliveries of Doors and Panels to Scotland may incur additional costs and may have an extended delivery time of an additional 3 working days. Delivery to the postcodes below will be charged an additional delivery fee. Our customer service team will reach out to you if you order requires an additional delivery charge. This will be calculated based on the difference between the standard cost charged and the total cost outlined below:
Postcodes: KA1-29, IV1-39, AB, PH1-41, DD, PA1-19, KY, FK, FK15-21 - £90 ex VAT (total delivery cost) |
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| Ironmongery | ||
| DELIVERY CHARGE | ||
| 1+ | £16.50 ex. VAT | |
Express Delivery
| Express Delivery - Insulation and Plasterboard & Drylining | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £400 | £50 ex. VAT |
| Over £400 ex. VAT | £35 ex. VAT |
| Express Delivery - Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £300 | £50 ex. VAT |
| Over £300 ex. VAT | £35 ex. VAT |
Returns
We offer a 30 day returns policy on any faulty products.
Key Features
- {{foundation}} Use in a variety of structural applications
- {{water_drop}} Versatile and moisture resistant
- {{construction}} Used extensively in renovation work and new projects
- {{keyboard_arrow_right}} Stronger than chipboard products and non-structural plywoods
- {{workspace_premium}} The boards are manufactured to EN 300 performance standards
- {{verified_user}} BBA approved
Technical Specification
| Bond Class: | BS EN300 |
|---|---|
| Thickness: | 11mm |
| Width: | 1220mm |
| Length: | 2440mm |
| Sales Unit: | Sheet |
| Sales Unit Coverage: | 2.98m2 |
| Weight: | 18.33kg |
| Application: | Roofs & walls |
| Edge: | Square |
| Country of Origin: | Latvia |
| Grade: | OSB3 |
| Wood Species: | Pine / Spruce |
| Formaldehyde Level: | E1 (low) |
Colour and finish are representative only and may vary slightly as this is a natural product.
What is 11m OSB?
11mm OSB 3 is a robust and moisture-resistant structural panel designed for diverse internal and external applications, including roofing, flooring, and wall constructions.
The 'OSB' in its title (short for Oriented Strand Board) makes reference to its manufacturing process: which sees wood strands strategically oriented and compressed together with adhesive resin.
Constructed from multi-layered softwood flakes, arranged in precise orientations and bonded under high pressure, the 11mm OSB 3 panel epitomises versatility and resilience, presenting a superior alternative to traditional plywood.
11mm OSB sterling board is characterised by its absence of knots and voids, ensuring consistent performance even in humid conditions.
It is suited for a range of domestic purposes such as shelving, garden sheds, and display boards, as well as commercial applications, including subfloors and roof decking.
Where Is 11mm OSB Board Used?
11mm OSB boards are suitable for a wide range of exterior and interior applications, such as wall sheathing, roofing and flooring applications.
Their strength renders them suitable for load-bearing and structural use, as well as long-term site hoardings due to their moisture-resistant properties.
As well as being a strong construction board, OSB boards are also a great product for domestic and decorative applications.
We recommend 11mm OSB 3 for the following applications:
- Building a garden shed or a summer house - great flooring or wall sheathing solution
- In shop fittings - to provide racking or exhibition stands for heavy items
- Wall sheathing
- Flooring & roofing applications
- Roof decking
- Site hoarding
- Sarking applications
11mm OSB 3 Structural Sterling Board Benefits
- Easy to drill, nail, file and sand (suitable for interior and exterior)
- The BBA classification permits use in a wide range of commercial and domestic situations
- Unlike other materials, they do not require fancy equipment or fittings to be installed
- Used extensively in renovation work and new projects
- Stronger than chipboard products and non-structural plywood
- The boards are manufactured to EN 300 performance standards
- BBA approved
- Standard boards have consistent dimensions of 2440 x 1220 (or 8ft x 4ft)
11mm OSB - Moisture Resistance
11mm OSB is the perfect sheet material to use in humid conditions. While the OSB2 board is only suitable for dry conditions, OSB3 board can withstand more challenging conditions.
Despite this being the case, it is always a good idea to add further weather protection if you are planning to use it for permanent outdoor use.
You can do this by adding weather-proof exterior paint. Follow the exterior paint with a wood waterproofing sealant. Allow 12-14 hours for it to dry before installing it - you can add a second coat if required.
Customer Reviews
Sturdy, well-made board at a fair price. Perfect for flooring projects.
Fast and efficient delivery! Boards were exactly as described, and the price was very reasonable.
Fantastic quality OSB 3 board, quick delivery, and unbeatable price. Perfect for my project. Highly recommend!
I've been building myself a DIY shed from scratch and bought this to use as the walls, roof and floor. It's great stuff and really strong. I'm no expert on this stuff, but it's done a great job for me. I just coated it in wood protection paint, stuck rubber felt on the roof and put some lino on the floor so should last a good few years! Great price as well.
Excellent boards at an affordable price. Held up great during installation. Definitely buying again!
Thanks for a good service
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