Before preservation:
Tree selection, humidity control and sizing.

During:
Finishes and preservation of the wood according to the technical specifications.

After:
Control of retention and penetration in accordance with current regulations. The retention is obtained by means of an X-ray spectrometer equipment.
TefQuim SA Provides the preservative Tanner-Wood CCAc, also verifies and controls the treatment of the Wood.
For quality control of preservative and Treated wood, the “SPECTRO PHOENIX” equipment is used.

Technical specifications:

For CCA it is guaranteed:

• Total average retention kg. /m3 10.8
• Maximum dampness content 30%
• Penetration on the sapwood 100%
• Salts balance: