Knots do not necessarily influence the stiffness of structural timber, this will depend on the size and location.
The outer walls covered the structural timbers and were more crucial for fireproofing.
Timber framed hall houses often had the infilling between their structural timbers replaced several times.
Nikko Fir wood is used for general structural timber.
These treatment methods are used to protect ties, poles and structural timbers and find use throughout the world today.
The building was constructed around 1625, re-using structural timbers and possibly on an earlier foundation.
With them there was the danger of biting too deep and damaging the structural timber behind them.
The main parts that still need to be crushed are wood flooring, brick walls, and structural timbers.
These structural timbers are prominently displayed in finished structures.
In 1970 the Union bridge was closed after structural timbers were damaged by overweight trucks.