Safely Removing Asbestos Cement Roofing Materials Using Approved Non-Traditional Work Practices
As part of a residential renovation project in Weston, Massachusetts, we were contracted to perform asbestos abatement at a single-family home where asbestos-containing cement roofing materials were identified. Due to the roof’s pitch and configuration, the project required an approved Non-Traditional Work Practice (NTWP) authorized by the Massachusetts Department of Environmental Protection (MassDEP).
This project highlights how proper planning, regulatory coordination, and specialized abatement techniques allow asbestos-containing materials to be safely removed—even when standard containment methods are not feasible.



Project Overview: Residential Asbestos Abatement in Weston, MA
The home contained asbestos-containing cement slate roofing materials, associated mastics, flashing, and sealants. Because the abatement work was performed outdoors on a pitched roof, traditional full containment methods were not practical. Instead, we followed a MassDEP-approved NTWP that allowed the work to be completed safely while maintaining strict environmental controls.
Upon receipt of the MassDEP waiver approval, we mobilized equipment, established regulated work zones, and implemented all required safety and containment measures before beginning removal activities. The project was completed in approximately one week, with full third-party oversight and clearance verification.
Scope of Work: Asbestos Abatement Services
Our asbestos abatement scope included the controlled removal of asbestos-containing materials from the residential roof and surrounding areas, in accordance with state and federal regulations.
Key components of the work included:
- Removal of asbestos-containing cement roofing materials, slate, mastics, and flashing
- Use of hand tools only to prevent material breakage and fiber release
- Continuous wet methods to suppress airborne asbestos fibers
- Capture of all debris directly into labeled, leak-tight asbestos waste bags
- HEPA vacuuming of work surfaces and surrounding areas
- Secure transport and disposal of asbestos waste at licensed facilities
All work was conducted in compliance with 310 CMR 7.15, OSHA regulations, and EPA NESHAP standards.



Non-Traditional Work Practices & Engineering Controls
Because of the roof configuration, this project required a carefully engineered approach approved through the MassDEP NTWP process. Our team implemented the following controls to maintain safety and environmental protection throughout the abatement:
- Establishment of a regulated work area around the residence
- Installation of ground coverings and protective barriers to capture debris
- Use of amended water to keep materials thoroughly wetted during removal
- Controlled lowering of sealed waste from the roof to prevent rupture
- On-site HEPA vacuuming and wipe-down of all non-porous surfaces
These measures ensured that asbestos fibers were not released into the surrounding environment and that neighboring properties remained protected during the work.
Monitoring, Clearance & Regulatory Compliance
Independent third-party project monitoring was conducted throughout the abatement process. Air sampling and visual inspections were performed in accordance with MassDLS 454 CMR 28.00 requirements to verify that asbestos fibers remained below permissible levels.
Once abatement activities were completed, final clearance was achieved before the regulated work area was released. All documentation—including waste manifests, monitoring results, and regulatory approvals—was provided to ensure a complete and compliant project record.
This attention to detail is essential when performing residential asbestos abatement, particularly on exterior surfaces where environmental exposure must be carefully controlled.



Experience You Can Trust for Residential Asbestos Abatement in Weston, MA
Residential asbestos abatement requires more than technical expertise—it requires precision, planning, and respect for the home and the surrounding community. By leveraging approved non-traditional work practices and experienced field supervision, we safely removed asbestos-containing roofing materials while supporting the homeowner’s renovation goals.
If you’re planning renovations on a residential property and suspect asbestos-containing materials may be present, early assessment and professional abatement are critical to keeping your project safe and compliant.
To discuss your project or request an evaluation, contact us here or call 866-934-2374.