LOSP H3.1 is an effective preservative designed to provide lasting protection for wood products used in external situations above ground protecting against decay and
insects. The timber is treated in finished form which improves its dimensional stability.
This LOSP product comes with a 25 year guarantee against fungal decay and insect attack and is water repellent to reduce general uptake of moisture.
For more detailed information about this process refer to http://www.kopperspc.co.nz/products/protim-optiumum-losp.html
CCA H3.2 is a waterborne, Chromated Copper Arsenate preservative system developed to provide long-term protection to wood exposed in exterior applications and is applied to wood by pressure treatment. The CCA preservative is an effective fungicide and termiticide providing protection from a broad spectrum of decay fungi and wood boring insects.