18mm OSB3 TG4 Tongue and Groove Structural OSB Board
18mm OSB3 TG4 Tongue and Groove Structural OSB Board is backordered and will ship as soon as it is back in stock.
Couldn't load collection availability

Delivery charges will vary depending on your location.
To find out delivery cost to your postcode, add the products your require to your basket and then review your basket, entering the delivery postcode
We look to dispatch all products same-day where possible, we use a close network of couriers we have worked alongside for a number of years and will share any and all shipping updates with you directly.
Tongue and Groove Structural OSB Board is a versatile and durable option for your construction needs.
Made up of 3 or more thin layers of wood veneer laid on top of each other and glued with the grain of each segment, this particular type of board is praised for its numerous strength qualities, including durability, stability, and a high level of impact resistance.
These boards also possess a number of damage-resistant qualities, giving a long-lasting and high-quality finish to your project.
Sheet size is 2440x590mm. In some locations we may supply 2400x690mm
Tongue and Groove OSB3 Board is designed to perform. Its strength is down to the tens of thousands of strands of real wood that go into each and every board. This precision-engineered 18mm OSB board is the natural successor to softwood plywood. No knots. No voids. No debates.
OSB Board Features:
- OSB3 Grade: Our Tongue and Groove Structural OSB Board is OSB3 graded, making it extremely resistant to wear and any moisture damage.
- Tongue and Groove: This board is tongue and grooved on all four sides, making it ideal for flooring, roofing, and wall sheathing purposes.
- Versatile: Due to its strength and durability, our Tongue and Groove Structural OSB Board is extremely versatile, with uses including flat roof decking, flooring, wall sheathing, site hoarding, and many other applications where strength and moisture resistance are paramount.
Examples of OSB Board Uses:
Here are some example uses for Tongue and Groove Structural OSB Board:
- Flat roof decking: Our Tongue and Groove Structural OSB Board is perfect for use in flat roof decking, providing a strong and sturdy base for your roof.
- Flooring: Our Tongue and Groove Structural OSB Board is ideal for use in flooring, providing a strong and sturdy base for your floor.
- Wall sheathing: Our Tongue and Groove Structural OSB Board is perfect for use in wall sheathing, providing a strong and durable finish.
- Site hoarding: Our Tongue and Groove Structural OSB Board is ideal for use in site hoarding, providing a strong and sturdy base for your hoarding.
- Roofing: Our Tongue and Groove Structural OSB Board is perfect for use in roofing, providing a strong and durable finish.
Competitive Pricing of Structural OSB Board
We offer competitive pricing on all of our Tongue and Groove Structural OSB Boards, and we can supply the product nationally. Contact us today to learn more about our pricing and delivery options.
We hope this information helps! Let us know if you have any further questions.

Description
Description
Tongue and Groove Structural OSB Board is a versatile and durable option for your construction needs.
Made up of 3 or more thin layers of wood veneer laid on top of each other and glued with the grain of each segment, this particular type of board is praised for its numerous strength qualities, including durability, stability, and a high level of impact resistance.
These boards also possess a number of damage-resistant qualities, giving a long-lasting and high-quality finish to your project.
Sheet size is 2440x590mm. In some locations we may supply 2400x690mm
Tongue and Groove OSB3 Board is designed to perform. Its strength is down to the tens of thousands of strands of real wood that go into each and every board. This precision-engineered 18mm OSB board is the natural successor to softwood plywood. No knots. No voids. No debates.
OSB Board Features:
- OSB3 Grade: Our Tongue and Groove Structural OSB Board is OSB3 graded, making it extremely resistant to wear and any moisture damage.
- Tongue and Groove: This board is tongue and grooved on all four sides, making it ideal for flooring, roofing, and wall sheathing purposes.
- Versatile: Due to its strength and durability, our Tongue and Groove Structural OSB Board is extremely versatile, with uses including flat roof decking, flooring, wall sheathing, site hoarding, and many other applications where strength and moisture resistance are paramount.
Examples of OSB Board Uses:
Here are some example uses for Tongue and Groove Structural OSB Board:
- Flat roof decking: Our Tongue and Groove Structural OSB Board is perfect for use in flat roof decking, providing a strong and sturdy base for your roof.
- Flooring: Our Tongue and Groove Structural OSB Board is ideal for use in flooring, providing a strong and sturdy base for your floor.
- Wall sheathing: Our Tongue and Groove Structural OSB Board is perfect for use in wall sheathing, providing a strong and durable finish.
- Site hoarding: Our Tongue and Groove Structural OSB Board is ideal for use in site hoarding, providing a strong and sturdy base for your hoarding.
- Roofing: Our Tongue and Groove Structural OSB Board is perfect for use in roofing, providing a strong and durable finish.
Competitive Pricing of Structural OSB Board
We offer competitive pricing on all of our Tongue and Groove Structural OSB Boards, and we can supply the product nationally. Contact us today to learn more about our pricing and delivery options.
We hope this information helps! Let us know if you have any further questions.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Our customers tell it better than we do!
Excellent Delivery Service
Order arrived early in morning, delivery staff were excellent and able to place order as close as possible to where I required it. excellent communication through out delivery and after delivery.
Great Experience
Great experience Really pleased with the way my order was dealt with and delivery arrived as advised.
Good product and service
Good product, reasonable price, great service and good customer follow-up. Would recommend and use again.
Great Company
Great company, great product. Delivery was very speedy and items was delivered professionally by a very helpful driver. Would highly recommend.
Great quality wood and fast delivery
Great quality wood and fast delivery The company reached out to make sure that everything was good and the delivery went fine
Excellent service from a great company
Ordered 2T of midnight blue slate chipping (2 pallets of 50 bags each) Very nice product at a great price. Contacted quickly after order to arrange a suitable delivery date. Delivery was as arranged. Customer service is excellent including follow up call to ensure everything went well. All in all I would highly recommend Armstrong Cheshire.
Great Customer Relations
Due to a mistake in communication ( mostly my mistake) the first delivery of bulk aggregate went to an address I used to live at. After asking to have a replacement delivery to the correct address Armstrong Cheshire re-scheduled the delivery within 3 days and with fantastic customer relations. I cannot recommend this company enough.
Ultra Fast Delivery
Ultra fast delivery, technically superlative company, their products are light years ahead of all others. Unbelievable prices. I have been in construction for nearly 70 years now and am still working every day. This company is why I keep getting up in a morning. Thank you dear sirs/ Madam for making life easier
Steel Lintel
Easy to pick product online, said 10 days delivery but got the product in 4 days, excellent service and prices