The grades of fir are:E1,E02 types of grades, how to choose:fir pileIt is thick and gives people a warm feeling. Because it is made of solid wood strips directly connected, it is more environmentally friendly and more resistant to moisture than large core boards. It is recommended that you use fir boards as cabinets when building furniture.

When purchasing, pay attention to the thickness and width of the wooden board, and the texture should be clear. You should also pay attention to whether the wooden board is flat and whether it is warped. The color should be bright and slightly red. If it is dark and dull, it is rotten wood. In addition, it should not be dug with your fingernails. There are obvious marks.

　　fir pileThere are single-sided without knots, double-sided without knots, and knotted ones. Usually, the single-sided without knots is chosen because it is affordable and the finished cabinet is beautiful.

Fir wood piles should be made of environmentally friendly materials, which can be used in many places in decoration. If the budget allows, you can use fir wood directly instead of blockboards.

1.You should check whether the wood material is normal. If the surface of the wood is light yellow or white in color, and there are sawdust peeling off when you scratch it with your fingernail, it means that the wood has rotted and cannot be used. The plywood should also be checked to see if it is open, moldy, bubbling, deformed and Bad edges and other phenomena, if there are the above defects, it should not be used.

2.You should check whether the grain of the wood is straight. Wood with straight grain is easy to plan and saw, and the surface of the furniture made will be smooth and not easy to deform.

1.You should check whether the wood material is normal. If the surface of the wood is light yellow or white in color, and there are sawdust peeling off when you scratch it with your fingernail, it means that the wood has rotted and cannot be used. The plywood should also be checked to see if it is open, moldy, bubbling, deformed and Bad edges and other phenomena, if there are the above defects, it should not be used.

2.You should check whether the grain of the wood is straight. Wood with straight grain is easy to plan and saw, and the surface of the furniture made will be smooth and not easy to deform.