A residential metal fire safety door can certainly be a worthwhile investment to make if you want to make sure that you and your family is protected. There are lots of different front doors as well as interior doors available for purchase which keep up a high fire standard and that also look good and are energy efficient. Stores like Home Depot and Lowes carry a pretty big selection of various types of doors for reasonable prices such as this one: 
Endurance Steel 30 In. x 80 In. RH 6 Panel Endurance Door IS BM Door
"Masonite endurance steel entry doors provide the right combination of durability and security with exceptional value. Made from strong galvanized steel, theses doors resist rusting and will not warp and because it's a Masonite door, it has a core of environmentally friendly cfc free polyurethane insulating foam that increases energy saving and lowers fuel costs. Masonite endurance steel doors with insulated glass give you a crystal clear view of the outdoors while providing the right combination of strength efficiency and value."
Price: $139.00 at Home Depot This door is a really nice example of affordability, durability and style. This door is made in hardy steel which is great security wise. Unlike many other doors on the market, this model won't warp or bend, and it features a polyurethane insulating foam at the core which is great for energy efficiency. Plus this door is fire resistant and it looks good and sleek. How much better can it get? Of course, it doesn't have major character, but it's a great door when you look at all the important aspects and the price is nice too.
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