Our Mission To provide superior customer service, while keeping prices reasonable with a quality that you can't beat. 

We are located in Lakewood, at Union and Alameda. We service the greater Denver area, from Fort Collins to Colorado Springs, and from Evergreen to Bennett. 

If you are in need of anything in relation to windows, siding, or doors we can help you!

Zach Baumann- B.S.M.E
Owner and Founder

Zach Baumann has grown up in the construction business. His father is a tradesman, thus giving him the knowledge and ability to give outstanding service. Zach also has a degree in mechanical engineering. This education has changed how he looks at construction. Since receiving this education he has put his efforts into giving the community a service that is both reliable and of a quality that customers deserve. In his free time Zach likes to enjoy the outdoors with his wife, son and dogs.

Zach is an AMA certified installer

Contact Zach at: zach@zdoubleb.com

Blake Bryant
Senior Sales Rep

Blake is a 4th generation Coloradan from the Green Mountain area. He has a  background in hospitality and customer service.  When he is not working he enjoys, golfing, basketball, cooking, fishing, and soaking up the sunny Colorado weather. Blake was married on Lookout Mountain to his lovely wife, Melissa. They have 2 cats and a dog. (Peyton Meowning, Sunday, & Yodbert)

Contact Blake at:



Robbie Zerucha
Production Manager
Robert has been in the construction industry for 8 years, working  primarily in windows and doors, but he has also worked in general construction. He has most of his experience in new construction and specialty doors. Robert also managed his own company. Robert enjoys playing softball and golf in his free time and visiting his sister and niece in Arizona.  
Robert is an AMA certified installer, OSHA Certified, and VSI certified

Contact Robbie at: rob@zdoubleb.com

Brad Hewitt
Sales Representative


Bio Coming soon! 

Contact Brad at brad@zdoubleb.com


Shawn Zimmerman
Senior Commercial Estimator 


Shawn moved to Colorado from Kansas back in 1990 with his brother for art school and has been with building materials ever since. He started as a stocker at a big box hardware store, Hugh M. Woods, moving to the sales floor and went on to have 15+ years working with hollow metal doors, frames, and hardware. He has now been in storefront and windows for 8 years. Between years of experience, problem solving, and numerous doors and hardware classes, he has gained an extensive knowledge of hardware from it's uses to codes. Outside of window and door mechanisms, Shawn enjoys pop culture, humor, movies, music, hockey and homebrewing. He and his wife, Susan, like to attend concerts and support their friends bands while they put on shows around Denver. Shawn and Susan have a daughter, Kira, and two chihuahuas, Bubbles and Dita.  A fun fact about Shawn is that he has won a few home brewing competitions with a root beer brown ale called Kick it Root Down, that was served at a local brewhouse in 2019. 

Contact Shawn at: shawn@zdoubleb.com

Blake Douglas
Lead Field Technician


Blake Douglas got his start in the window and door industry in Jupiter, Florida working on coastal estates. Adhering to the strictest building code in the country trained Blake to be detail oriented from the very start. In his free time, Blake likes the outdoors, spending time with friends and family, and his cat Barbara.

Contact Blake at: blaked@zdoubleb.com

Autumn Knight
Project Manager, Inside Sales

Autumn grew-up in the northern suburbs of Chicago with a large extended family that are avid outdoor enthusiasts. After finishing University, she spent several years in the legal field before moving on to the construction industry. She moved west with dreams of rock climbing and backpacking the Colorado Rockies. When not at a local crag or on adventures with her trusty black lab, Autumn enjoys reading, sewing, and discovering new places to dine with friends. 

Contact Autumn at: autumn@zdoubleb.com

Ori Medina 
AP and Office Administrator

Ori is a Colorado native and loves it here for the nature and city life balance. She has ample office and customer service experience from working in schools, call centers and Megan's (ZBB's Business Manager) Dance Studio. She takes pride in her customer service skills and attention to detail making her the perfect fit for our office. She attended Front Range Community College for journalism and business administration. Outside of work, she likes to spend time with family, friends, and her furry friend Tonka. Ori's hobbies are painting, writing, reading, travel, and attending art shows and galleries.  

Contact Ori at:  Ori@zdoubleb.com

Megan Baumann
Business Manager

Megan has a Bachelor's in Accounting and Financial Management and runs the background processes of the business. Megan oversees Accounting, Marketing and HR. In her free time Megan enjoys teaching dance at her dance studio, walking her dogs and playing with spending time with her son, Miles. 

Contact Megan at: megan@zdoubleb.com

Ask us about our financing options!

 Colorado Construction Solutions - Eco-Minded - Quality Craftsmanship - Diligent Service

Z Double B Inc.
12860 W Cedar Dr Unit #110B
Lakewood, CO 80228
Phone: 303-997-8168
Hours: Mon-Fri 8:00AM-6:00PM
Email: info@zdoubleb.com

© 2018 by Z Double B Inc.

  • Instagram Social Icon
  • Facebook Social Icon
  • Pinterest Social Icon
  • Houzz Social Icon
  • Twitter Social Icon
  • YouTube Social  Icon