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The Rockdoor Portland has a very large glass unit, this allows for not just plenty of light, but a very beautiful glass design to be placed in it. There are several glass designs on the Portland and they are offer some obscuirty. Its a great composite door to have as your front door.
As the Rockdoor Portland glass is very large, it has several glass designs, all with different levels of obscurity. If you have Clear backing glass, it enables you to retain the A++ energy rating that Rockdoors are so famous for, but if you need obscuirty too, you can choose a glass design for the front glass so you get the best of both worlds. It can also be laminated to further enhance the secuirty of your new composite door.