Are all roof battens the same

Timber and wood products are widely used in children's outdoor play equipment. This is mainly because timber is a versatile, warm, robust material, which fits well into this environment. It is more 'friendly' in the playground context than many alternative materials and has been shown to be preferred by users...

Although the vast majority of structural timber in the UK is softwood, there is a significant interest in hardwoods from both temperate and tropical regions for structural applications. When using hardwoods in structures, the specifier may need to take more interest in the species, its origin and its moisture condition...

One of the most important factors affecting the performance and properties of wood is its moisture content. The amount of water present in wood can affect its weight, strength, workability, susceptibility to biological attack and dimensional stability in a particular end use.

We estimate that over 80% of...