Phone (508) 238-3587

417 Purchase Street, S. Easton, MA 02375

Mon - Fri 8:30 AM - 5:30 PM



building envelope technologies, Inc.

David Horton, PE


Cell: (508) 942-4086

David is a registered professional engineer who has been consulting in the field of building envelope technology since 2001.  He has extensive experience with building envelope systems and components, and he routinely performs inspections of properties to establish existing conditions, investigate known problems, formulate recommendations, and design repair solutions for building owners, architects, and property managers. David has designed and overseen building envelope repairs for over 100 properties in the greater Boston area.  He has extensive knowledge of building codes, material properties, and best construction practices.  David has particular expertise in roofing systems, flashing details, brick masonry wall systems, and forensic leak investigation and watertesting. David has served as an expert witness in several construction defect litigation cases, and has been a featured speaker at industry seminars focused on construction and building maintenance issues.  He is a member of the BBRS Ch. 34 Advisory Committee, which is responsible for formulating the Massachusetts State Building Code for existing buildings.

University of Alaska Fairbanks,

B.S. Civil Engineering 1996-2001

Registered Professional Engineer, Massachusetts, 2009

PHIUS Certified Verifier (Commercial Projects)

BBRS – Ch. 34 Advisory Committee Member (Existing Buildings)

IIBEC – International Institute of Building Enclosure Consultants

FGIA – Fenestration and Glazing Industry Alliance (formerly AAMA)

NSPE – National Society of Professional Engineers

ASCE – American Society of Civil Engineers

New Sawyer Hopkins Hall, Cushing Academy, Ashburnham, MA

Provided enclosure design assistance and QA/QC inspections of roofing, air and weather barrier, fenestration, at new 37,000 sf mixed-use residence hall.


300 3rd Avenue, Waltham, MA

Provided enclosure design assistance and QA/QC inspection services for 140,000 sf office/lab core and shell building, including commissioning of foundation waterproofing systems.  Completed 2022.


Marketplace Building, Cardinal Cushing Centers, Hanover, MA

Provided enclosure design assistance and QA/QC observation services for the roofs, air barrier, windows, and exterior cladding for the new 14,000 sf mixed use office and marketplace building. Completed 2020.


Kehillath Israel Temple, Brookline, MA

Provided enclosure design assistance and performed fenestration testing and QA/QC observation services for the roofs, air barrier, windows, and exterior cladding for the 10,000 sf temple addition. Provided historic restoration design assistance and construction observation services for the original 100 year old temple structure. Completed 2019.


West Garage, University of Massachusetts, Boston, MA

Provided commissioning and verification testing for the underslab air and vapor barrier system at the new 500,000 sf parking structure. Completed 2018.


Goddard House, Jamaica Plain, MA

Provided enclosure design assistance, fenestration testing, and QA/QC inspections for roofing, façade, and windows at the new 150,000 sf multifamily residential development. Completed 2017.


Woodlands at Belmont Hill II

Investigated roof ventilation and shingle blow-off concerns at this 62-unit high end condominium development.  Designed and oversaw full scale roof replacement project in 2017-2018.  Provided expert witness services to Association’s legal counsel.


245 Summer Street (Fidelity), Boston, MA

Designed and oversaw the replacement of the main roofing system at Fidelity’s Boston headquarters.  A triple-ply modified bitumen roofing system was utilized, and all work was coordinated with Factory Mutual requirements. The bulk of the work had to be performed during night time hours.


2000 Comm. Ave. (Boston College), Boston, MA

Provided design assistance and construction oversight services for the architectural team during the rehab of this 17 story apartment building for BC.  Also performed a high-rise façade ordinance inspection, followed by design and construction oversight for repairing the exterior concrete balconies.


Newton Wellesley Hospital, Newton, MA

Designed and oversaw the exterior restoration of the Allen-Riddle building, including replacement of the roofing systems and the restoration of the exterior masonry façades.


Seaport World Trade Center, Boston, MA

Performed a detailed condition survey of the existing PVC membrane roof systems at the Seaport WTC, including probing the majority of the seams and flashing details.  Produced a detailed and comprehensive repair schedule to guide the Owner in maximizing the remaining life of the roofs.


165 Cambridge Park Drive, Cambridge, MA

Provided design assistance and construction oversight services for the owner and architectural team during the construction of this 5-story wood framed  apartment complex near the Alewife T Station, including punch listing exterior siding installation, window installation, and roofing installation.

Meet the rest of the team