1) The main material of Banruo Non-painted main board is wooden fiber. It is the same as solid wood material,which will have the phenomena of  "expanded when moistured and shrinked when dried", because of the change of the enviroment. The package is better to be removed at the using area or installing area before using them. So that the moisture of main boards could get close to the moisture of the using area, to make themselves balanced, which will avoid too big or small of the gap of the two connection main board parts or the unflat of the main boards.

2) The brand of glue used need to be contain heigh GU . When applying the glue, it can not be spilled onto the surface of the main boards,use the painting brush to make the glue on the surface of the main board and then use the drawknife to make the glue proportioned. And then let the glue to dry itself,the extent is feel the adhesive on touch by finger but not paste your fingers. Orelse the surface will have the bubble or it will drop off. What is more, the glue time of  the place of being pasted and Banruo non-painted main board is better to be done at the same time. So that the viscosity could be in the best state.

3) Banruo non-painted main board can not be painted. So please try best to avoid the nick caused by the sand or unappropriated handling. 

MEMO:  BEFORE CONSTRUCTION, IT IS BETTER TO TRY ON A SMALL PIECE BEFORE MAKE IT TO ALL.