Are there different types of OSB?

OSB/1 – General-purpose boards and boards for interior fitments (including furniture) for use in dry conditions. OSB/2 – Load-bearing boards for use in dry conditions. OSB/3 – Load-bearing boards for use in humid conditions. OSB/4 – Heavy-duty load-bearing boards for use in humid conditions.

What wood species is used for OSB?

OSB uses the wood from trees that grow quickly and sustainably, like aspen poplar, southern yellow pine and mixed hardwood species. The process of making OSB involves cutting the logs into strands that are then dried, organized and treated with wax and binders.

What is common OSB?

Oriented Strand Board is a widely used, versatile structural wood panel. Manufactured from waterproof heat-cured adhesives and rectangularly shaped wood strands that are arranged in cross-oriented layers, OSB is an engineered wood panel that shares many of the strength and performance characteristics of plywood.

What sizes does OSB come in?

The most common panel size is 1220 x 2440 mm (4 x 8 ft). Panels might also be available in imperial sizes of 4 x 9 ft and 4 x 10 ft and can also be made to a metric size of 1200 x 2400 mm. Panels can be specially ordered up to 2440 x 7320 mm (8 x 24 ft) and custom cut by some manufacturers.

Do you need to seal OSB board?

OSB can be used for outside applications. However, those OSB boards are classified as class 3 and they are appropriate for use in humid conditions. Even if you buy OSB that is waterproof from the market, you should apply an additional layer of waterproofing for protecting the board from moisture or water.

What kind of wood is OSB made of?

Manufactured from waterproof heat-cured adhesives and rectangularly shaped wood strands that are arranged in cross-oriented layers, OSB is an engineered wood panel that shares many of the strength and performance characteristics of plywood.

What kind of wood is oriented strand board?

What are the properties of Sterling board ( OSB )?

It has replaced plywood in many environments, especially the North American structural panel market. While OSB does not have a continuous grain like a natural wood, it does have an axis along which its strength is greatest. This can be seen by observing the alignment of the surface wood chips.

How big is a standard GradeMark OSB panel?

Grademark-specified OSB panel thicknesses range from 1/4 inch to 1-1/4 inch. Not all thickness are readily available. Check with suppliers to determine availability. Standard dimensions are nominal 4 feet by 8 feet. Because OSB is made with wood, which will expand or contract when subjected to changes in temperature and relative