6 Reviews
View Product Reviews18mm OSB 3 Tongue & Groove Flooring Board 2400mm x 590mm (8' x 2')
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Delivery & Returns InfoProduct Overview
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.
Standard (Nationwide) Delivery
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 | ||
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ORDER VALUE | DELIVERY CHARGE | |
Under £100 ex. VAT | £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 ex. VAT | £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 | |
Screws & Fixings and Adhesives & Sealants | ||
ORDER VALUE | DELIVERY CHARGE | |
Under £100 ex. VAT | £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 ex. VAT | £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 ex. VAT | £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 | |
* 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 | ||
QUANTITY | DELIVERY CHARGE | |
1+ | £16.50 ex. VAT |
Express Delivery
Express Delivery - Insulation and Plasterboard & Drylining | |
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ORDER VALUE | DELIVERY CHARGE |
Under £400 ex. VAT | £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 ex. VAT | £50 ex. VAT |
Over £300 ex. VAT | £35 ex. VAT |
This charge is based on delivery to mainland UK excluding the Scottish Highlands. If your delivery address is in the Scottish Highlands 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.
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 |
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Thickness: | 18mm |
Width: | 590mm |
Length: | 2400mm |
Sales Unit: | Sheet |
Sales Unit Coverage: | 1.42m2 |
Weight: | 15.28kg |
Application: | Floors & roofs |
Edge: | Tongue & Groove |
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 18mm OSB3 Tongue and Groove?
Engineered for demanding environments, 18mm OSB3 Tongue and Groove (T&G) offers exceptional durability and performance compared to traditional interior laminate sheets.
Crafted to excel in humid conditions, this versatile wood sheet material, also known as sterling board, is composed of oriented strands compressed with adhesives, resulting in superior load-bearing capabilities.
OSB T&G 18mm exhibits performance characteristics similar to those of softwood plywood building materials, including comparable flexibility and strength.
A notable attribute of OSB T&G 18mm is its durable tongue and groove profile. Precision-engineered edges allow the boards to interlock seamlessly, ensuring a perfect alignment with adjacent panels. This design feature renders 18mm OSB T&G particularly suitable for use in platform floors, load-bearing roofs, flooring, wall applications, and ceilings.
Furthermore, the inherent water resistance of 18mm OSB T&G makes it an excellent choice for use in areas prone to humidity.
Where Is 18mm OSB3 Tongue and Groove Flooring Board Used?
- Wall sheathing
- Roofing and flooring applications
- Signboards
- Furniture and concealment applications
18mm OSB3 Tongue and Groove Flooring Board Benefits
- Relatively easily sealed against the elements - suitable for interior or exterior structural applications
- Precision engineered tongued and grooved board
- Edges machined to the finest tolerance for a snug and secure fit
- A reliable structural panel for house building and structural roofing
- Suitable for humid conditions - (Service Class 1 & 2)
- Superb load-bearing properties
- Durable building board
- BBA approved
- Standard finished thickness of 18mm
- Cost-effective alternative to plywood
OSB T&G 18mm - Tongue & Groove Explained
OSB T&G 18mm boards comprise a ‘tongue’ edge with a precisely engineered gap ‘groove’.
When installing the boards, this tongue edge slots perfectly into the groove, streamlining the installation process.
For additional security, the boards can also be glued or bound with screws or nails ( a method often referred to as ‘secret nailing’).
18mm OSB3 Tongue and Groove - Moisture Resistance
OSB3 (Oriented Strand Board) showcases exceptional resistance to moisture and humidity, owing to its manufacturing process incorporating resin binders and wax.
Strips and flakes of wood are layered with an adhesive resin and then hot-pressed into a panel. This strength lends itself to OSB3's performative superiority over its sister board OSB2.
While Class 2 OSB can only be used for non-load-bearing applications in dry conditions, 18mm OSB3 can be used for structural, load-bearing uses in humid conditions in housing applications. The boards are edge-coated with a proprietary water-resistant sealer to lessen the chances of edge swelling.
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
These were used in a roofing project. Really happy the boards and the whole buying experience.
Boards were all in good nick, thanks
Delivered to my site on time. 5 star service.
The boards were really easy to install and fit together
The customer team were so friendly and made sure I got it delivered when I needed them
Great price and easy to lay.