Roof Replacement The Lincon and
Jefferson Memorial
Washington D.C. PROJECT OWNER: U.S. National Park Service The Lincoln Memorial project included roof replacement on the main roof and penthouse roof, and restoration of three monumental skylights (circa 1917)

The Jefferson Memorial project included roof replacement on two circular flat roof sections, and extensive metal wall panel/flashing installation
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Service Type: Roof Repcament
Project Owner: U.S. National Park Service
Location: Washington D.C
Year: 2016
Details
RENOVATION The National Institutes of Health Washington D.C. PROJECT OWNER: National Institutes of Health Seal Engineering, Inc. provided 3rd party design review for the renovation of NIH Building 10 F Wing, part of a complex of buildings

Seal Engineering, Inc. provided 3rd party review of shop drawings and submittals, observed field mock-ups and performance testing and on-site inspection services for repair/ replacement of all building envelope elements
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Service Type: Renovation
Project Owner: National Institutes of Health
Location: Washington D.C
Year: 2017
Details
ANTEFIXAE REPAIRS DEPARTMENT OF JUSTICE BUILDING Washington D.C. PROJECT OWNER: U.S. Department of Justice (DOJ) Seal Engineering, Inc. worked as part of a design-build team to develop a design for reinforcing the existing large, historic terracotta Antefixae snow guards around the eaves of the clay tile roofs

The primary driver for the project was life safety concerns associated with the Antefixae falling to the terraces and sidewalks below due to heavy/ deep snow accumulation
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Service Type: Antefixae Repairs
Project Owner: U.S. Department of Justice (DOJ)
Location: Washington D.C
Year: 2017
Details
TILE ROOF REPLACEMENT DEPARTMENT OF COMMERCE HQ Washington D.C. PROJECT OWNER:
General Services Administration (GSA)
Project included salvage/ reinstallation of mission tile roofing, replacement of wood stringers and nailers, and replacement of metal trim/ flashings and built-in gutter liners.

Seal Engineering, Inc. provided construction phase inspection services including submittal review, RFI responses and periodic inspections
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Service Type: Tile Roof Replacement
Project Owner: General Services Administration (GSA)
Location: Washington D.C
Year: 2017
Details
TILE ROOF REPLACEMENT U.S. BOTANIC GARDEN CONSERVATORY Washington D.C. PROJECT OWNER:
Architect of The Capitol (AoC)
Seal Engineering, Inc. was selected to survey cracking observed on the facade of the 1931 limestone Beau Arts building located on the National Mall in order to verify findings of an earlier survey report

Seal Engineering, Inc. provided construction documents in order to implement the recommended repairs
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Service Type: Facade Repairs & Roof Replacement
Project Owner: Architect of The Capitol (AoC)
Location: Washington D.C
Details
TILE ROOF REPLACEMENT RIMFIRE LODGE West Virginia PROJECT OWNER:
Rimfire Lodge Home Owners Association
Seal Engineering, Inc., conducted a condition assessment of the balcony installation due to (1) general deterioration of the exposed surfaces, and (2) persistent moisture penetration to areas below and around balconies, despite repeated repairs

Prepared design, drawings, details and specifications for reconstruction of the wood framing, railings and adjacent façade areas and waterproofing on the reconstructed decks
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Service Type: Rimfire Lodge Balcony Repair
Project Owner: Rimfire Lodge Home Owners Association
Location: West Virginia
Details
DOME RESTORATION U.S. NAVAL ACADEMY CHAPEL Annapolis, MD PROJECT OWNER:
U.S. NAVAL ACADEMY
Performed field work to investigate leaks and deficiencies in the Chapel flat roofs and copper-clad dome. Designed the selective replacement and maintenance/ repair for the copper dome and replacement for the Chapel flat roofs.

Designed a through-wall flashing system for the granite and terra cotta masonry parapets lining the Chapel roof perimeter to resolve persistent leak/ deterioration issues
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Service Type: Dome Restoration
Project Owner: United States Naval Academy
Location: Annapolis, MD
Details

SEAL ENGINEERING, INC. IS A CIVIL / STRUCTURAL ENGINEERING COMPANY DEDICATED TO PROVIDING PROFESSIONAL SERVICES RELATED TO ROOFING, WATERPROOFING, AND THE BUILDING ENCLOSURE AS A WHOLE

Seal Engineering, Inc. is a civil/ structural engineering company specializing in roofing, waterproofing, and building enclosure design and consulting. Our mission is to provide quality engineering services focused on preventing and eliminating moisture migration into existing and new buildings while balancing system reliability and longevity with sustainability considerations. Located in Alexandria, Virginia, our company is centered in the Metropolitan Washington, DC area, and includes numerous projects throughout the mid-Atlantic region. We have also completed projects in other parts of the United States, including Nevada, Florida, and Indiana, as well as for buildings overseas.

Our clients include a wide range of federal, state, and local government agencies and private clients such as condominiums, universities, schools, and commercial property owners. Since our founding in 1980, we have completed over 10,000 investigations and designs, including many on landmark and historic buildings such as the White House, the Lincoln and Jefferson Memorials, the Pentagon, various House and Senate office buildings, the Supreme Court, the Library of Congress buildings, several Smithsonian Institution museums and most of the Federal Triangle buildings. We recognize owners have substantial investments in their buildings, and we strive to help ensure their investments are protected for the long term.

AREA OF EXPERTISE

International

Service: Roof Replacement

Partnerships

Service: Roof Replacement and Waterproofing

Excellence

Service: Facade and Roof Replacement

Excellence

Service: Roof Replacement

Excellence

Service: Facade and Roof Replacement

Excellence

Service: Skylight and Roof Replacement

SEAL ENGINEERING, INC. IS A CIVIL / STRUCTURAL ENGINEERING COMPANY DEDICATED TO PROVIDING PROFESSIONAL SERVICES RELATED TO ROOFING, WATERPROOFING, AND THE BUILDING ENCLOSURE AS A WHOLE.

Seal Engineering, Inc. is a civil/structural engineering company specializing in roofing, waterproofing, and building enclosure design and consulting.  Our mission is to provide quality engineering services focused on preventing and eliminating moisture migration into existing and new buildings while balancing system reliability and longevity with sustainability considerations.  Located in Alexandria, Virginia, our company is centered in the Metropolitan Washington, DC area, and includes numerous projects throughout the mid-Atlantic region.  We have also completed projects in other parts of the United States, including Nevada, Florida, and Indiana, as well as for buildings overseas.

Our clients include a wide range of federal,  state, and local government agencies and private clients such as condominiums, universities, schools, and commercial property owners.  Since our founding in 1980, we have completed over 10,000 investigations and designs, including many on landmark and historic buildings such as the White House, the Lincoln and Jefferson Memorials, the Pentagon, various House and Senate office buildings, the Supreme Court, the Library of Congress buildings, several Smithsonian Institution museums and most of the Federal Triangle buildings.  We recognize owners have substantial investments in their buildings, and we strive to help ensure their investments are protected for the long term.

AREA OF EXPERTISE

International

Service: Roof Replacement

Partnerships

Service: Roof Replacement and Waterproofing

Excellence

Service: Facade and Roof Replacement

Excellence

Service: Roof Replacement

Excellence

Service: Facade and Roof Replacement

Excellence

Service: Skylight and Roof Replacement