Patio Door Installation in Vancouver and Lower Mainland We may not think of it often, but without windows and doors a home or office is just a very large box. Not only are they essential on a practical level, they also are an integral part of any interior design plan. So it is not a big shock to find out that window and door manufacturers put a great deal of effort into making them both functional and stylish. Unfortunately, that means there are many decisions to be made before you find the doors or windows that are right for you. Consultation and Installation While some people seek out professional advice when choosing windows and doors, others are only looking to have them installed perfectly. Authentic Installations is here to help.