Treating Cut Ends Of Pressure Treated Wood

All residential treated wood since the elimination of cca as the pressure treatment chemical needs to have an end cut booster treatment.

Treating cut ends of pressure treated wood.

Protects against fungal decay such as wet rot wood discolouring fungus and wood boring insect attack. Pressure treated wood is wood that has a preservative forced deeply into it. Once the ends have been cut however additional care must be taken in order to maintain the same level of resistance. It is used for many exterior applications such as decks and picnic tables.

Provides a water repellent finish on pressure treated timber which has been cut or drilled in any way to expose the untreated inner wood. The 3 12 pressure treated wood stair stringers in the picture above left of image have decayed causing structural issues with this staircase. Example of treated wood failure due to not treating end cuts. Drying time 12 hours.

The wood itself is only 2 years old but failure to seal the end cuts has allowed water to penetrate into the wood which has rotted. This causes it to be resistant to decay and insects. When cutting thick pieces of wood such as fence posts the preservative may not have soaked all the way to the center of the lumber.