Services
Building EnvelopeOur team specializes in assessment and repair design of building envelope components for new and existing structures.

What We Deliver
We assess and repair building envelopes as well as roofs and skylights. Our rope access team surveys building envelopes to minimize the impact to building occupants, providing an expedient, cost-effective, and low operational impact way to understand conditions close-up.
Assessment & Design
Construction administration Historic preservation & repair Maintenance master planning
Peer review
Phasing plans
ROPE ACCESS
Roof repair & replacement design
Our Process
Enabling Better Decisions
We are a trusted partner for the assessment and repair of envelopes, whether a public or private process is involved. Investigating
and identifying relevant issues, we know the questions to ask and which details to
pinpoint.
Identify Client Needs
Interview stakeholder personnel to understand current issues and future needs.
MASTER PLAN AND IDENTIFY BUDGET
Develop an itemized list of restoration options with opinions of probable cost to be outlined and prioritized.
Document Development
Develop thorough and concise design documents that are understandable to provide accurate bidding.
Determine Phasing
Work with stakeholder personnel for short- and long-term phasing to minimize user impact.
EXECUTE CONSTRUCTION ADMINISTRATION
Our boots on the ground during construction administration provide another set of eyes on what is being built, helping to solve challenges and ensuring delivery of design intent.
ESTABLISH MAINTENANCE PROGRAM
ABOUT THP
THP Limited is a structural and architectural engineering design firm. With a mission to shape a more resilient and equitable future, we put people at the center of everything we do.
PRIMARY LOCATIONS
Cincinnati
221 East Fourth St., Ste 1150
Cincinnati, Ohio 45202
513.241.3222
Cleveland
812 Huron Rd., Ste 850
Cleveland, Ohio 44115
216.553.4973
Raleigh
555 Fayetteville St., Ste 300
Raleigh, North Carolina 27601
919.341.0225
SATELLITE LOCATIONS
Northern Virginia
ABOUT THP
THP Limited is a structural and architectural engineering design firm. With a mission to shape a more resilient and equitable future, we put people at the center of everything we do.
PRIMARY LOCATIONS
Cincinnati
221 East Fourth St., Ste 1150
Cincinnati, Ohio 45202
513.241.3222
Cleveland
812 Huron Road, Ste 850
Cleveland, Ohio 44115
216.553.4973
Raleigh
555 Fayetteville Street, Ste 300
Raleigh, North Carolina 27601
919.341.0225
SATELLITE LOCATIONS
Raleigh, North Carolina
Northern Virginia