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Sean is a Principal of the company and Director of Building Envelope in Walker’s California offices. Sean’s expertise is in the entire building envelope including above- and below-grade waterproofing, exterior walls (including windows and doors) and roofing for new construction and renovation projects.

Sean is responsible for field assessments and investigations, design and peer review, bidding/negotiation, plan check, construction administration, quality assurance/quality control testing, and observations related to the building enclosure.

Sean’s experience spans a variety of private and public sector clients including mixed-use, apartment, condominium, commercial, hospitality, education, hospital, industrial, and government projects.