1, in the connection should be pre - drilling, so that it can avoid cracking, glue should be waterproof.
2, in construction, if possible, we should use the existing size and shape of the preservative wood as far as possible. Any processing done by impregnated materials, such as drilling, finishing and cutting, will shorten the service life of the impregnated wood. This can reduce the possibility of wood cracking. In order to prevent the deformation of 38MM, in order to prevent its deformation, a wide 10MM, deep 10MM slot can be opened on the central line of the wood core.
3, as far as possible the use of more than two of the anticorrosion wood, due to its water content of less than 20%, can effectively prevent cracking and deformation. If we must use the grade of moisture content greater than 20%, then we should have a 10-20MM gap on each floor at the construction site, and put it on the scene for more than 72 hours before construction, and prevent direct sunlight exposure during this period. Recommended connection and installation in construction work and hot galvanized nails or screws.