Roof Structural Engineering · Orange County

Know Whether Your Roof Can Support the Planned Change

Before installing solar, rooftop equipment, or altered framing, confirm the roof capacity and get the reinforcement or attachment design the project requires.

  • Check the existing framing
  • Define the added demand
  • Detail what must change
Roof framing and structural connections on an Orange County building
Project focus Know Whether Your Roof Can Support the Planned Change
Verify

Existing framing

Review member sizes, spans, layout, condition, and available documents.

Calculate

Added demand

Consider equipment, solar, framing changes, and applicable environmental loads.

Detail

Required strengthening

Define reinforcement, support, or attachment work when analysis indicates it is needed.

Start here

What is changing at the roof?

The intended use and loading determine the right assessment or design scope.

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Service scope

What we check

The roof framing and the structure supporting it both matter.

  • Accessible or documented rafters, trusses, joists, beams, posts, bearing, and connections
  • Existing and proposed loads from roofing, equipment, solar, wind, and seismic demands
  • How concentrated equipment or attachment loads spread through the framing
  • Reinforcement, new supports, curbs, attachments, and connections when required
Exposed residential roof framing around planned roof openings
Member layout, spans, bearing, and connections establish how a roof carries existing and proposed loads.
Exposed roof beams and metal framing connections inside a building
Reinforcement and attachment details define how the proposed change connects to the existing roof structure.

Project deliverables

Deliverables matched to your project

The package is matched to an evaluation, installation, repair, or new design.

  • A capacity assessment based on the stated framing, spans, and loads
  • Structural calculations for the proposed change
  • Reinforcement, support, curb, framing, and attachment details as required
  • Permit documents and field-verification notes when included
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A clear path forward

Confirm the roof before installation

  1. 01Step
    Step 01

    Send the roof and product information

    Share plans, framing photos, equipment or solar data, dimensions, and the intended change.

  2. 02Step
    Step 02

    Check capacity and design changes

    We review loads, supports, and connections, then develop required modifications.

  3. 03Step
    Step 03

    Give the team clear direction

    Use the agreed engineering package for permit review and installation.

Field professional reviewing a steel support frame on a commercial roof
Confirmed roof information and product data allow the proposed loading and support system to be evaluated together.
Commercial rooftop with equipment support areas and roof framing below

Why NBE

Avoid designing from equipment weight alone

Placement, member capacity, bearing, connections, and support below all affect the answer.

Analysis tied to documented equipment and mounting information
Clear separation of structural and weatherproofing responsibilities
Reinforcement options when the existing roof is not adequate
Assumptions and field checks stated for the project team

Clear Communication From First Question to Next Step

“Their quality of work and customer service is excellent.”
Maria A. • Irvine, CA
“They were very responsive, helped me salvage what I could from the previous firm, and provided the expertise and knowledge needed to finish the job quickly and efficiently.”
Lisa H. • Laguna Niguel, CA
Accessible attic with exposed rafters, ties, and roof framing
Clear field assumptions and visible framing help the project team understand the basis of the roof review.

Frequently Asked Questions

Do solar panels always require structural review?+

Requirements vary by roof, system, and jurisdiction. Review can confirm whether existing framing and attachments are appropriate for the proposed loads and layout.

What do you need for a rooftop equipment analysis?+

Useful inputs include equipment weight and dimensions, support or curb information, proposed location, roof framing plans, field measurements, and photos.

Can you engineer reinforcement if the roof is not adequate?+

Yes. When feasible, we can design strengthening, load distribution, added supports, or revised placement based on the confirmed conditions.

Does roof engineering include waterproofing?+

Our scope is structural. Waterproofing and roofing details should be coordinated with the roofer, manufacturer, architect, or other responsible project professional.

Can you evaluate damaged or sagging framing?+

Yes. An assessment can document visible conditions and determine whether further investigation, temporary measures, repair design, or replacement should be considered.

Can roof trusses be cut or altered for ducts, skylights, or equipment?+

Do not alter a truss without an approved design. The appropriate repair or modification depends on the truss layout, loading, proposed opening, and manufacturer information when available.

Check the roof before ordering or installing

Send the property location, roof information, photos, and proposed equipment or modification so we can define the review.

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