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Guide · Specifications and drawings · 07 81 00

Check spray-applied fireproofing specifications against drawings

Spray-applied fireproofing turns a rating on the code analysis into a thickness on a specific steel member, and the link between them is a tested design. Section 07 81 00 expects that link to be stated, and it treats concealed, exposed, and mechanical-room members differently.

Trace each rated structural member from the code analysis to a design or a stated thickness and rating in the specification, then compare which members are concealed, exposed, or in mechanical and storage rooms, how the roof deck is protected, and where an intumescent coating replaces spray fireproofing. Check that finishes, hangers, and other trades are not drawn attached before fireproofing is applied and inspected.

Assemble the review package

Gather the code analysis with construction type and required ratings, the structural framing plans and any fireproofing schedule, architectural reflected ceiling plans and finish schedules showing exposed steel, the roof deck and framing details, the mechanical and electrical plans for hanger attachment, and the issued Section 07 81 00. Review one floor’s framing completely before assuming the others match.

WBDG publishes UFGS 07 81 00: Spray-Applied Fireproofing as a public guide-specification reference (accessed October 17, 2026). Use your project’s issued specification and amendments for the actual comparison; the guide specification does not automatically govern your project. The checklist below is an original suggested review workflow, not a reproduction of the UFGS requirements.

Eight checks to run against the issued set

Use one record per location or system. The CSV contains the same eight prompts plus fields for source revisions, observed evidence, the review owner, the decision, and closure references.

Eight specification-to-drawing checksSwipe or scroll sideways to read all columns.
CheckSources to compareQuestion to resolve
Required ratingsCode analysis + Fire Resistance Rating article + structural notesDoes the specification state a rating for every member type the code analysis requires to be rated?
Tested design or thicknessFire Resistance Rating article + fireproofing schedule + listing pagesFor each rated member, is a tested design cited, or a thickness and rating stated where no design is cited?
Concealed, exposed, and mechanical-room membersDry density articles + reflected ceiling plans + finish schedulesAre members in exposed areas and in mechanical or storage rooms identified so the material requirements the section assigns to them apply?
Roof deck protectionFire Resistance Rating article + roof deck detailsDoes the roof assembly rely on fireproofing the underside of the deck, and if so is the method the section describes shown?
Intumescent coating locationsSpray-Applied Intumescent Epoxy Coating System article + architectural plansWhere exposed steel is to be coated rather than sprayed, are those members identified and is the coating system retained in the specification?
Sequence with other tradesSequence article + mechanical and electrical hanger detailsDo the details or notes keep hangers, clips, and supports from being installed through or before fireproofing in a way the section does not allow?
Repair and patchingRepair and Patching articles + phasing or renovation notesOn renovation or phased work, are areas of existing fireproofing to be patched identified on the drawings?
Field tests and inspectionsField Tests article + special inspection statementDoes the special inspection program list the fireproofing tests the section requires?

Worked example: exposed steel left on the concealed-steel product

Illustrative example: the reflected ceiling plan shows an open-ceiling lobby with exposed beams, and the finish schedule calls the steel painted. The fireproofing specification assigns one product to all members and does not retain the exposed-member or intumescent coating requirements, and no fireproofing schedule separates the lobby beams.

Ask the architect and structural engineer how the exposed lobby beams are to be protected and finished, then identify them on a schedule and retain the matching specification articles. Recheck other open-ceiling areas and mechanical rooms for the same assumption before closing the item.

Avoid a false conflict

A rating on a code analysis does not say which members need protection or how. Members that look the same on a framing plan can sit in concealed, exposed, or mechanical spaces with different material and finish requirements.

When requirements disagree, follow the project’s document-control and clarification process. Do not assume that drawings always override specifications, or the reverse. Identify the exact sources and request an authorized decision.

Close the issue across the affected documents

Record the location or tag, drawing and specification references, issue dates, observed difference, and the decision needed. Assign an owner and keep the item open until the response identifies the governing requirement. Check the revised drawings and specification references together; a response email alone may leave the issued package inconsistent.

For the overall process, use the guide to drawing and specification conflicts. Mark an inapplicable checklist row with a reason, and distinguish a verified correction from a question that still needs design information.

Where Groundbook fits

Groundbook’s drawing and specification review helps investigate potential disagreements in the documents you supply. Include the relevant specification sections and drawing references, then verify the cited evidence with the responsible reviewers before acting on a finding.

Questions, answered

FAQs

What should a spray fireproofing review compare?

Compare required ratings, the tested design or stated thickness, concealed, exposed, and mechanical-room members, roof deck protection, intumescent coating locations, sequence with other trades, repair and patching, and field tests and inspections.

How do I check fireproofing against a UL design?

Read the design number the drawings or specification cite and compare its member, product, and thickness requirements with the framing and schedule. The ASTM E119 and UL 263 guide explains how ratings relate to tested designs.

Does this checklist calculate fireproofing thickness?

No. It checks that the drawings and specification describe the same protection. Thickness, design selection, and approval stay with the design professionals and the authority having jurisdiction.

Bring your next set into focus

Set up a review or talk through your project with our team.

Check your rated steel against Section 07 81 00

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