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Our heavy duty interior PVC doors are supplied in the UK with an MDF wood board 0.7mm thickness door leaf and door frame, and the surface is coated with strong PVC film. The doors are fitted inside with a fir block structure within the door body. Inside of the PVC door, there is one 4.5 cm (width) x 3cm (thickness) fir stick structure on each side of door. Another 2 fir sticks are located in the middle part and also 2 very strong steel bars are next to them for added strength and security. This fir skeleton, complete with steel bars, avoids the risk of distortion and makes the door more robust and secure. Our frame is adjustable and the adjustable range is 2cm. The surface paint finishing is processed by six layers of high quality paint.
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