425 822 8397

Fax: 425-822-7595

425 822 8397

Fax: 425-822-7595

TEAM

Our Team

At Wetherholt and Associates, Inc., we’re committed to leading the industry in professional, unbiased consulting and holistic approaches to your projects. Our mission is to safeguard the integrity of your building enclosure, ensuring peace of mind and lasting quality.

Don Davis
Don Davis Managing Principal/ Sr. Field Engineer
Mike Caniglia
Mike Caniglia Principal/ Sr. Field Engineer
Pravat Sripranaratanakul
Pravat Sripranaratanakul Principal, Sr. Field Engineer
Jose Laurean
Jose Laurean Sr. Field Engineer/ Principal
Ray Wetherholt
Ray Wetherholt Founder & Consultant
Pete Barlow
Pete Barlow Concrete Repair Specialist
Alex Murphy
Alex Murphy Field Engineer, RRO
Roman Cherkasov
Roman Cherkasov Field Engineer, RRO/REWO
Cody Varcoe
Cody Varcoe Field Engineer, RRO/REWO/FAPC

Wetherholt Inspectors

Wetherholt and Associates, Inc. inspectors are on site, during construction, to verify the contractors’ work conforms to the contract, and they assist in avoiding conflict between the specifications and the actual conditions. Our inspectors are familiar with most of the waterproofing, wall cladding, and roofing systems on the market today. The depth of our inspectors’ experience, combined with support from our engineers, allows us to respond quickly and accurately to most questions or concerns.

Our inspectors are equipped with non-destructive moisture testing equipment, thermometers, seam probes, tape measures, caliper gauges, and other specialized testing equipment, as required to perform their tasks.

Wetherholt and Associates, Inc. ensures our inspectors maintain knowledge of industry products and their installation methods by providing routine team meetings with manufacturers’ representatives. We also understand the value of continued education and participate in industry educational opportunities.

Micah Indra

RRO

Christian Areglo
Christian Areglo RRO, REWO
James Sripranaratanakul
James Sripranaratanakul
Tommie McNeal
Tommie McNeal

Wetherholt Office Support Team

Cheryl Olson

Billing Manager
Ph: 425 278 5548

Kayla Shannon

Administrative Assistant / Inspection Administrator
Ph: 425 822 8397

40 +

Years of Experience & Expertise

Wetherholt and Associates, Inc. is a leader in roofing, waterproofing, and building enclosure consulting. Founded with a mission to provide professional, unbiased advice, we have upheld the principles of integrity and independence for over four decades.

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Redmond Office

425 822 8397

Fax: 425-822-7595

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Don Davis

Don Davis

RRC, RWC, REWC, RBEC
Managing Principal / Sr Field Engineer

Don joined the Wetherholt and Associates team in 1993, and he is now a Senior Field Engineer and Managing Principal. Don is responsible for investigations, inspection, and evaluation of roofing, waterproofing, exterior cladding application, often including related structural aspects, on commercial and residential projects. His expertise includes document review, building envelope surveys, moisture testing, assembly sampling, building envelope design, specification/drawing preparation, and punch list/closeout inspections.

Over the years, Don has consulted on commercial and institutional buildings, mostly in the Pacific Northwest and including Alaska. Projects have ranged from large residences to fire stations and libraries, to the Experience Music Project. Don has attained the Registered Building Envelope Consultant title, demonstrating knowledge in roofing, waterproofing, and exterior walls.

Mike Caniglia

Mike Caniglia

RRO, RRC, RWC, REWC, RBEC
Principal / Sr Field Engineer

Mike joined the Wetherholt and Associates team in 2000, and he is currently a Senior Field Engineer and Principal. Mike received his BA in Architectural Studies from the University of Washington in 1993. At Wetherholt and Associates, Mike performs leak investigation at roof, deck, wall, and window assemblies on residential and commercial buildings. He is responsible for inspection and evaluation of roofing, waterproofing, and exterior cladding application. Mike performs field engineering duties including roof surveys, moisture testing, roof membrane sampling, roof design, specification / drawing preparation, and punchlist / closeout inspections.

Over the years, he has consulted on commercial and institutional buildings, mostly in the Pacific Northwest. Projects have ranged from large office complexes, to public schools and colleges/universities, to government facilities, including public utility districts, public transit, and county courthouses.

Pravat Sripranaratanakul

RRO, RRC, RWC
Principal / Sr Field Engineer / Assistant Inspection Supervisor

Pravat joined the Wetherholt and Associates team in 2003, and he is now a Senior Field Engineer, Principal, and Assistant Inspection Supervisor. Pravat is responsible for the inspection and evaluation of roofing, waterproofing, and exterior cladding applications for commercial and residential buildings. He also has expertise in roof surveys, moisture testing, roof membrane sampling, specification/drawing preparation, and closeout inspections. Projects range from public schools to office complexes and university campuses.

Pravat is the past Chapter President for the Puget Sound Chapter of IIBEC, Inc, an international institute of building enclosure consultants (formerly known as RCI, Inc.).

Jose Laurean

RRO, RRC, RWC
Sr. Field Engineer/Principal

Jose joined the Wetherholt and Associates team in 2003. He is now a Senior Field Engineer and Principal. He is an alumni of North Seattle College, where he earned an AAS degree in Construction and Design Drafting. Jose is responsible for performing on-site inspection and evaluation of roofing, waterproofing and exterior cladding applications for commercial and residential projects. He also has expertise in moisture testing, water intrusion investigations, roof membrane sampling, roof design, design review, preparation of specifications, CAD drawings, and punchlist/closeout inspections.

Over the years, Jose has consulted on commercial and institutional buildings, mostly in the Pacific Northwest. He established service lines to include interior waterproofing consulting and inspection at Bellevue Square and the new Lincoln Square Expansion, and rooftop cell site consulting and inspection. Most recent endeavors include in-field window flashing design work and developing rainscreen re-cladding scopes on high-end residences. Jose holds certifications as an AHERA building inspector and Detec leak detection technician and is a FAA Part 107 Drone Pilot.

Ray Wetherholt

PE, RRC, RWC, REWC, RBEC, FRCI
Founder, Consultant

Ray has expertise in roofing, waterproofing, and building envelope consulting. He started Wetherholt and Associates in 1984 to assist owners, architects, contractors, and, occasionally, attorneys in resolving water intrusion related issues. Prior to starting Wetherholt and Associates, he worked for a commercial construction inspection and testing company as their inspection supervisor and special projects troubleshooter, resolving concrete, steel, and masonry issues, along with developing the roofing and waterproofing inspection team.

Over the years, he has consulted on commercial and institutional buildings, mostly in the Pacific Northwest and including Alaska and Hawaii. Projects have ranged from large houses with green roofs, to large manufacturing buildings for an aircraft manufacturer, to the Experience Music Project. He is a licensed Professional Engineer in four states and has attained the Registered Building Envelope Consultant title, demonstrating knowledge in roofing, waterproofing, and exterior walls.

Ray has presented papers at IIBEC, Inc (formerly known as RCI, Inc) conventions and has regularly taught numerous IIBEC and related industry courses, including the SWRInstitute “Liquid Applied Sealants” course.

Pete Barlow

Concrete Repair Specialist

Pete Barlow, FACI, is a Concrete Repair Consultant with Wetherholt and Associates. He was one of three founders of Contech Services, Inc. a specialty contractor that performed concrete strengthening, repair, and waterproofing projects on the West Coast from 1993-2022. He has been in the concrete repair industry for over 45 years working in manufacturing, product & system development, and contracting. His material focus was polymer materials and later cementitious materials. An early proponent and applicator of Fiber Reinforced Polymer (FRP) applications in buildings and civil structures in the Pacific Northwest.

Pete started in the concrete repair industry in 1975. He became a member of the Structural Engineers Association of Washington (SEAW) in 1976, the American Concrete Institute (ACI) in 1978 and the International Concrete Repair Institute (ICRI) in 1987.

As a Fellow (FACI) of the American Concrete Institute, he is active both on a local and national level, is the current chair of ACI Committee ITG 93-11 Statistical Techniques for Assessment of Existing Concrete Structures, Code Requirements Construction of Additively Constructed Walls & 364/546 Steering Committee. Additionally, he is a member of 546-Repair and 364-Rehabilitation. He has previously been an Excellence in Concrete Awards judge and often reviews journals and other industry documents. He is a member of the ACI Board of Directors. He is a member of ACI Board of Directors with his term beginning in April of 2023.

Pete also serves on the board of the Structural Engineers Foundation of Washington (SEFW) as well as the Central Washington University Foundation Board.

Alex Murphy

RRO
Field Engineer

Alex joined the Wetherholt and Associates team in 2020, after starting his career at another local Consulting Firm. He is responsible for evaluation of roofing, waterproofing, and exterior cladding application. Alex also performs roof surveys, leak investigations, specification preparation, design review, and closeout inspections.

During his time at Wetherholt and Associates, Alex has worked on commercial and institutional buildings throughout the Pacific Northwest. Projects have ranged from office complexes to public schools and government facilities. He continues to seek educational opportunities in the field, as well as the classroom.