Treating Cut Ends Of Pressure Treated Wood
Drying time 12 hours.
Treating cut ends of pressure treated wood. Pressure treated lumber is wood like pine or fir that has been injected with a preservative in order to make it last longer on outdoor projects like fencing or decks. Protects against fungal decay such as wet rot wood discolouring fungus and wood boring insect attack. 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.
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. Example of treated wood failure due to not treating end cuts. 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.
All residential treated wood since the elimination of cca as the pressure treatment chemical needs to have an end cut booster treatment. Pressure treated wood is wood that has a preservative forced deeply into it. The 3 12 pressure treated wood stair stringers in the picture above left of image have decayed causing structural issues with this staircase.