Although Z Double B is located in Lakewood, Colorado, a Denver Metro city, we source our products from all over the US in order to get the best of best in both quality and sustainability. 3 of our top products are Milgard, Cascade and Panda. We strive to be as environmentally friendly as possible, as 75% of the worlds waste comes from the construction industry and we would like to see that number drop. Milgard The first step is recycling. Recycling post-consumer and pre-consu