Types And Materials Of Wooden Doors

The selection of wood species and material grade should meet the design requirements. When it comes to unspecified material grades, the quality of wood used for all-wood mortise doors should meet the requirements in Appendix A of GB50210-2001.

● Wood moisture content

The moisture content of the selected wood should not be greater than 12%. In high-humidity areas and high-humidity months, the allowable value of water content can be slightly larger, but it should not be greater than the local equilibrium water rate of the month.

● Glulam

● Medium Density Fiberboard

The selection of medium density fiberboard should meet the requirements of the first grade product specified in GB/T11718-1999, the density is not less than 0.68g/cm, the distribution is uniform, and the texture is stable.

● Particleboard

When selecting particleboard, it should meet the requirements specified in GB/T 4897-2003.

● Plywood

The choice of plywood should meet the first-class product requirements specified in GB/T 9846.1～9846.8-2004.

●Formaldehyde emission

The formaldehyde emission of various glue materials selected should meet the requirements specified in GB18580-2001.

● Adhesive

The limit of harmful substances in the adhesive should meet the requirements specified in GB18583-2001.

● Paint

The limit of harmful substances in paint should meet the requirements specified in GB18581-2001.

● Glass

The glass should be selected according to the functional requirements of the appropriate variety and color, and safety glass should be used