Outdoor antiseptic wood vintage shelf life is how many years
Like Hengxi wood this qualified manufacturers of corrosion is qualified, with 30 years will not decay, Hengxi anti-corrosion wood factory in Chengdu, you can go to the factory inspection.
Time and then a little longer wood will become brittle, broken, resulting in corridor collapse.
Mainly to see the quality of anti-corrosion wood: to see the amount of anti-corrosion agent infiltration, which depends on the anti-corrosion wood is puffed out of the pool, the surface of the brush or the normal vacuum pressure corrosion, and now many manufacturers cheap map, made two or three years to rot