Mitragyna speciosa is an evergreen tree that can grow to a height of 25 m (82 ft) tall and the trunk may grow to a 3 ft (0.91 m) diameter. The trunk is generally straight and the outer bark is smooth and grey.
Overall though, metal is a much better option than plastic. In most cases, it is much more effective and reliable, and the right choice of metal will avoid the pitfalls of rust or weakness. Aluminium, steel and stainless steel are the three metal gutter materials for guards that homeowners can choose from.
In any event, wood is subject to warping and cracking over time, so regardless of how much effort you put into it, it won't last forever. However, choosing the right type of wood and having it installed properly will give you the best, longest-lasting fence possible.opular Types of Wood. The most popular woods used for fencing are pine and cedar, though cypress and redwood are also good options. Pine wood is common because of its relatively inexpensive cost and longevity.