Is There Asbestos in Your Westminster Home?
Westminster grew rapidly as a Denver north suburb during the 1960s and 1970s, and the ranch homes and split-levels built during that period routinely incorporated asbestos in multiple building components. Watch for these locations:
- Popcorn and acoustic spray ceilings throughout 1960s–1970s ranch homes
- Vinyl floor tiles and the dark mastic adhesive beneath them, especially in kitchens and basements
- Duct wrap and pipe insulation in original forced-air and hydronic heating systems
- Vermiculite attic insulation (a gray, pebble-like material often sold as Zonolite)
- Roof shingles and asphalt felt underlayment on original low-slope roofs
- Drywall joint compound applied in finishing coats through 1978
Asbestos Removal Costs in Westminster (2026)
Cost ranges from licensed Colorado contractors. Ranch-home projects often involve multiple material types in a single job.
Westminster & Colorado Asbestos Regulations
What federal and state law require before, during, and after asbestos work in Westminster.
Federal EPA NESHAP
The National Emission Standards for Hazardous Air Pollutants require written notification to the EPA at least 10 working days before regulated demolition or renovation projects. All operators of regulated facilities must comply regardless of building size.
40 CFR Part 61 Subpart MColorado CDPHE Licensing
Colorado's Department of Public Health and Environment licenses asbestos contractors, supervisors, workers, inspectors, and air monitors under Regulation No. 8 Part B. Projects above threshold quantities require a licensed contractor and 10-day advance notification to CDPHE.
5 CCR 1001-10 Reg. No. 8 Part BOSHA Worker Safety
Workers on asbestos abatement jobs must wear appropriate respirators and protective clothing. The OSHA permissible exposure limit is 0.1 fibers per cubic centimeter over an 8-hour time-weighted average, with an excursion limit of 1.0 f/cc over 30 minutes.
29 CFR 1926.1101Waste Disposal
Asbestos waste must be wetted, double-bagged in labeled 6-mil polyethylene bags, and disposed of at a Colorado-permitted solid waste facility that accepts asbestos. Manifests are required and must be retained for a minimum of three years.
CDPHE 6 CCR 1007-2 Part 1What the Removal Process Looks Like in Westminster
A typical Westminster ranch-home project from initial inspection to final clearance.
Inspection by a CDPHE-Certified Inspector
A licensed Colorado asbestos building inspector surveys the home, collects bulk samples from suspect materials, and submits them to an accredited lab. Results typically return within 24–72 hours. You receive a written report identifying all asbestos-containing materials (ACM) and their condition.
CDPHE Notification & Project Design
For projects above threshold quantities, your contractor must notify CDPHE at least 10 working days before work begins. A licensed project designer or supervisor prepares the abatement plan required for the notification filing.
Containment & Negative Air Setup
Workers isolate the work area with polyethylene sheeting and establish negative air pressure using HEPA air filtration machines. In occupied homes, family members and pets must vacate during the abatement period.
Abatement & Licensed Disposal
Materials are wetted before removal, placed into labeled 6-mil poly bags, and transported to a permitted Colorado disposal facility. All workers wear full PPE including P100 respirators and disposable coveralls.
Clearance Air Testing
An independent CDPHE-licensed air monitor conducts final air sampling after cleanup. Re-occupancy is not permitted until fiber counts fall below 0.01 f/cc. A clearance report is provided for your records.
Frequently Asked Questions — Westminster
Common questions from Westminster homeowners planning renovations.