Thermowood is a northern hardwood, usually ash, that is heated in a kiln in a vacuum condition. This essentially seals the grain to make it impervious to rot and gives it a 50-75 year life in exposed conditions.The colour is consistent and it is less likely to cup or split. Its also very attractive with more exposed grain. A decking material that is hard and eco-friendly with no chemical treatments.
A beautiful northern hardwood that is eco-friendly with no chemical treatments.