The posts are about 10 years with tops sawn at an angle and nothing was ever applied per the installer.
Roof sealnt fence post.
Already have the epoxy sealer.
They would reuse or as we say today re purpose old motor oil.
Soak the bottom of the posts in a wood preservative containing copper napthanate such as cuprinol.
In concept these practices would seem to block some moisture transfer into the wood but there isn t any research to suggest that it increases longevity.
Prepping to apply sealer to the tops fence posts hoping we will get a day over 50 degrees i went around with straight bleach over the tops today.
Brush the preservative on the entire post if.
Available at some paint stores and home centers this wood treatment is specifically designed for in ground applications.
Coating the post base with asphalt roofing cement driveway sealer tar or a bituminous self adhesive flashing tape are fairly common practices.
Place about 6 in.
Sealing tops of treated fence posts.
They are being sealed to preserve against decomposing.