Our standard exterior and internal doors made of steel are made out of 1.2mm thick steel. They are Zintec treated to stop corrosion. A minimum of four BS EN 1935 20002 stainless steel hinges in grade 13 installed (6 on doors with larger openings) and at a minimum, 6 17mm dog bolts made of solid steel that have a DDA certified threshold, your home will be safe.
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