In daily life, the door for us is the concept of safety and reliability, we is anti-theft door and wood doors to the door to know more, many people are not aware of the understanding of the rabbit paint the door, so how to paint the door? The following details of the doors and windows to buy the relevant knowledge. How to avoid paint door 1 paint door, that is, do not need to paint the door. The vast majority of paint free doors on the market refers to the PVC veneer door. The utility model is characterized in that the solid wood composite door or the molded door is formed by adopting the vacuum processing technology of PVC veneer. The door is the same, PVC veneer processing. Another is that the factory has been painting the finished wooden doors also known as paint free door. 2 good quality paint free door through hot forming process, wood mechanical sealing machine sealing, flat sanding sanding machine to ensure the smoothness, firmness and beautiful appearance, used for polyester paint paint free door has moisture-proof effect, so only choose to paint well to prevent paint free door deformation due to damp paint free door style, should be based on the curve as the ideal collocation, and vice versa. Poor quality building materials issued by formaldehyde and other harmful gases harmful to human health. 3 paint free door materials, paint, paint and so on will affect the environmental protection index. From the material point of view, compared to the market on the PVC plastic doors, steel doors, such as paint more secure and environmentally friendly. In addition to materials, paint doors, paint, paint and so on to paint the door of the environmental index. Jiuzheng Home Furnishing network to remind consumers to buy paint free door, according to the structure of their own house and use requirements, and pay attention to check the environmental protection standard paint free door products. Paint free door to buy Tips 1, select the Consumer Association certified consumer satisfaction or after-sales service trusted home market. 2, to goods than three, for the same style, the same brand of goods, from the quality, price, service and other aspects of comprehensive consideration. 3, to the merchant or sponsor for product warranty card. 4, to determine the paint door, first of all should be clear about the overall style of decoration design, select the windows and doors. Secondly, it should be based on the use of premises to determine its use function. Such as the use of places and uses can be divided into general decorative doors, shutters and glass doors, etc.. General decorative door can do door. The shutter door is mainly installed in the storage room for ventilation. The decorative door with glass can be installed in the living room, such as the hall, in order to increase the decorative effect. Window selection skills 1, it is beautiful: the surface paint wooden doors and windows should be smooth and bright, no flow, bubbles, wrinkles and other defects, no corrosion, dead, broken doors and windows sets; the use of wood and wood doors and windows, color coordination, decorative panels and wood color is not large, tree species should be the same. 2, doors and windows to founder, warping deformation, and are consistent with the window frame: if the sash and frame gap, mainly because the installation plane repair forbid or window frame and the ground is not vertical, windows fans could be disassembled plane repair; such as door and window frame is not vertical, should be in the box board gasket for straight. 3, the hinge to the position is accurate, the installation is firm: if the hinge is not on, it will lead to the door and window fan and frame does not match, door and window switch is not smooth. Each hinge can be screwed down a screw, and then adjust the door and window fan and the frame of the anastomosis, adjust the correct repair and then tighten all screws. If the hinge screw short, or when the screws on the nail, no screw, or screw skew, will lead to the door and window fan. Should replace the right screw, the screw must be straight, screws should be nailed into the 1/3, and the rest to be screwed in. 4, the door lock, lock to go smoothly, lock in the door and the door frame on the two parts to coincide: lock installed inappropriate, will cause the door switch is not free. The lock tongue plate should be removed, the tongue can be repaired with a chisel, and the tongue position of the door frame can be adjusted. In addition, the opening direction of the door should meet the requirements. 5 sets of doors and windows, inside to have base material: window joinery board or MDF production, should be the first base board is fixed on the window frame base on keel, and nail lines: the door should be made of wood frame, planing, planing, and molding assembly installed on the wall, and then covered with grass and decorative plate panel. Knock the door and window with the hand side panel, if issued an empty drum, it means that the bottom of the board, such as mat mat, etc.. Windows and doors maintenance method 1 should be regularly on the doors and windows to clean the dust, keep the doors and windows and glass, metal parts clean and bright. 2 if the doors and windows on the pollution of the oil is difficult to clean things, it is best not to be cleaned with strong acid or alkali solution, otherwise not only easy to make the profile surface finish is damaged, will protect the surface oxide layer and membrane damage caused by 3 pieces of metal pieces of metal corrosion. 4 should be cleaned inside the box, such as granular debris, so as not to plug the drainage channel caused by poor drainage and water leakage phenomenon. 5 in the open windows and doors, the strength should be moderate, as far as possible to keep the opening and closing speed uniform. 6 as far as possible to avoid the use of hard objects hit the doors and windows or scratched profiles surface. 7 found the windows open is not flexible or other abnormal conditions during use, should be timely to find the reasons, if the customer can not rule out the possibility of failure, and door manufacturers and suppliers, so that faults can be ruled out in a timely manner.