18mm Structural OSB 3 Sterling Board 2440mm x 1220mm (8′ x 4′)
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£25.49 Original price was: £25.49.£22.96Current price is: £22.96. ex VAT
The 18mm Structural OSB 3 Sterling Board is a highly durable and moisture-resistant panel designed for a wide range of internal and external applications, including roofs, floors, and walls.
- Versatile Structural Applications
- Moisture Resistance
- FSC/PEFC Certified
- Renovation and New Projects
- Superior Strength
- Manufactured to EN 300 Performance Standards
- BBA Approved
EXCELLENT Based on 1147 reviews Posted on Richard VickersTrustindex verifies that the original source of the review is Google. Fast and easy order, delivery was spot on, with timings given by driver to the minute. Will be using again.Posted on James MurrayTrustindex verifies that the original source of the review is Google. Big Shout-out to the main man James! Helped me right out with a tricky order and really looked after me throughout the whole process, kept me in the loop the entire time, and I never had to wonder what was going on. Super fast response, delivery was bang on and as a company they were just genuinely great to work with. Definitely recommend this company and great to deal with people who are going above and beyond to help customers out 10/10!!Posted on Chris BlackwoodTrustindex verifies that the original source of the review is Google. Easy transaction, goods exactly as described and delivered on the day requestedPosted on Paul HiltonTrustindex verifies that the original source of the review is Google. Awesome company. Great prices and fantastic customer service. Will definitely buy again.Posted on Michael BradleyTrustindex verifies that the original source of the review is Google. Purchased pir board to insulate a building at home. Delivery and dispatch of items were prompt. Website was easy to use and order products. Communication with this company was also good.Posted on Jun XuTrustindex verifies that the original source of the review is Google. Everything went smoothly. I am very glad that I found Trade Insulation Ltd. I will definitely purchase with them again. Professional products and services! Highly recommend!Posted on Katie CrabbTrustindex verifies that the original source of the review is Google. Great competitive prices compared to everywhere else we looked and a quick delivery too. Highly recommend!Posted on ANNA BUTLERTrustindex verifies that the original source of the review is Google. Perfect experience from ordering to delivery. Fantastic driver Chris so helpful and friendly. Communications on the day spot on, as requested. A super smooth experience.Posted on Bradley TTrustindex verifies that the original source of the review is Google. Ordered 5 rolls of insulation from Trade Insulations. All arrived at 8:30am on the day as promised. Price was way below their competitors. Highly recommended.Posted on Darren BarnesTrustindex verifies that the original source of the review is Google. Great service and would definitely order again
Experience efficiency and reliability with the 18mm OSB 3
A versatile panel designed for a multitude of construction applications. This engineered sheet material is composed of multi-layered softwood flakes strategically oriented and hot-pressed, resulting in a durable and adaptable panel.
18mm OSB Board Applications
The unique composition of the OSB, with varying thicknesses and wood species, has earned it the reputation of being the “Swiss Army Knife” of the construction industry. This mish-mash composition contributes to its strength and durability, making it an excellent alternative to plywood. It finds wide-ranging uses in shelving, sheds, display boards, and other domestic applications. Additionally, it proves beneficial in commercial projects such as subfloors and roof decking.
Key Features of the 18mm OSB 3 Sterling Board:
- Moisture Resistance: The OSB 3 is a moisture-resistant panel, making it suitable for both internal and external applications, including roofs, floors, and walls.
- Structural Integrity: The OSB excels in load-bearing and structural applications, making it ideal for wall sheathing, roofing, and flooring. Its durability also makes it a reliable choice for long-term site hoardings.
- Versatility: The 18mm OSB 3 is highly versatile, serving both heavyweight load-bearing construction purposes and domestic decorative applications.
- Easy Installation: Installing OSB boards is hassle-free, as they are easy to drill, nail, file, and sand. They do not require complex equipment or fittings for installation.
- Compliance and Approval: Our structural OSB boards meet the EN 300 performance standards and are BBA approved, ensuring their quality and performance. They also carry FSC/PEFC chain of custody certification, reflecting responsible sourcing.
- Dimensional Consistency: The standard boards come in consistent dimensions of 2440 x 1220 (8ft x 4ft), providing ease and convenience during construction.
Using OSB Boards in Humid Conditions:
While OSB2 boards are suitable for dry conditions, the OSB3 boards excel in more challenging environments, including humid conditions. It is essential to note that OSB boards are not completely waterproof. Therefore, if planning to use them for permanent outdoor applications, it is advisable to add further weather protection.
To enhance weather resistance, apply weather-proof exterior paint to the boards. Follow this with a wood waterproofing sealant, allowing sufficient drying time of 12-14 hours before installation. A second coat can be added if necessary.

James –
Trade Timber offers the cheapest price around , very happy with the service and with the value for money
Joseph –
I’ve used OSB 3 boards from multiple suppliers, but this batch from Trade Timber is by far the best. No defects, clean cuts, and easy to work with. A bit more expensive, but worth the investment