This is how the timber
looks after treatment,
and shows how deep the preservative has penentrated.
Aqueous borate is used
worldwide, and is very
spending time seeking out the right place to live and having your home
built to meet your requirements it's good to know that the timber we
use is treated to the highest standard.
This preserves the timber and protects it from wood boring insects and
We normally use a boron solution to pressure preservative treat all
the Douglas fir in our homes. This is done in our own treatment plant,
after machining of all the components. As it is a biostat, rather than
a biocide, boron treatment is about as benign as any preservative can
It even concentrates where the greatest hazard may exist.