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 grew 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 which 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. Zach believes in providing customers with products he stands behind. In his free time Zach likes to enjoy the outdoors with his wife, sons and dogs.
Zach is an AAMA certified installer
James Gamblin
Sales
James has been helping homeowners with their window and door projects for nearly seven years, beginning his career in St. Louis before moving to Colorado five years ago. He holds a Bachelor of Science in Business Administration and has been part of the Z Double B team for the past four years. James values the family-oriented environment, attention to detail, and honesty that define the company. Outside of work, he enjoys snowboarding, rock climbing, kayaking, and golf, and he especially enjoys putting a smile on people’s faces, including Tom’s.
Contact James at: james@zdoubleb.com
720-212-3501
Tom Kostelecky
Sales
Tom grew up in the building materials industry and has spent over 13 years working with windows and doors, including the past four specializing in replacements. He appreciates being part of the Z Double B team, where the environment is friendly, honest, and focused on quality rather than high-pressure sales. When he’s not helping customers find the right products for their homes, Tom enjoys spending time outdoors fishing and golfing.
Contact Tom at: tom@zdoubleb.com
720-916-4842
Ken Shafer
Field Project Manager
Ken began working in construction at 16, spending his summers learning the trade from a neighbor and quickly discovering his love for working outdoors. With nearly 25 years of carpentry experience, Ken has done everything from foundation to finish work and holds multiple certifications, including Forklift, Aerial Lift, and FGIA New Construction Installation. He enjoys that every day on the job brings something new to figure out and no two projects are ever the same. Outside of work, Ken enjoys spending time with his French Bulldog, Hank.
Ken is an AAMA certified installer
Arturo Escorza
Service Technician
Art takes pride in the hands-on nature of his work and loves bringing each project to life with care and craftsmanship. He’s motivated by the satisfaction of seeing customers happy when a job is complete. Outside of work, Art enjoys spending time with his wife and their three children, making family time a top priority.
Mackenzie Collins
Front Office Coordinator
Kenzie is the Front Office Coordinator at Z Double B and is currently working toward her Master of Business Administration at Colorado Mesa University, where she also earned her bachelor’s degree in Marketing. She enjoys being part of such a supportive and down-to-earth team and appreciates the chance to learn something new every day. When she’s not at work, Kenzie loves spending time outdoors and is happy to be back in Lakewood, close to her family.
Contact the Front Desk at: frontdesk@zdoubleb.com
303-997-8168