Post TapePostTape completely seals to protect wooden fence posts at the ground line section, protecting from moisture, oxygen, fungi, and rot, increasing the lifespan of the post. Post Tape is a non butyl self sealing tape. Manufactured from a massively strong polymer acrylic adhesive, which gives a completely water proof & weather proof seal for an extensive period of time. But why does this make such a difference ? Non Butyl tapes are particularly suitable