Division 08 Openings

Performance Specification Gap in Division 08 Openings submittals

By Deviation Check Editorial Team. Last reviewed June 1, 2026.

Short answer

A measurable performance property in the submittal (rating, capacity, tolerance, efficiency) does not meet what the spec requires. Default grade in Division 08 Openings: Blocker.

A measurable performance property in the submittal (rating, capacity, tolerance, efficiency) does not meet what the spec requires. This guide covers how it shows up specifically in Division 08 Openings submittals.

What to look for in Division 08 Openings

Key performance parameters in Div 08 submittals:

  • Fire rating (20/45/60/90/180 minute per UL/WHI/Intertek tested assembly)
  • STC (Sound Transmission Class) rating for acoustic doors and assemblies
  • U-value (thermal transmittance, Btu/hr-sf-F) for windows, curtain wall, storefronts
  • SHGC (Solar Heat Gain Coefficient) per NFRC rating
  • VLT (Visible Light Transmittance) percentage
  • Air infiltration rate (cfm/sf at test pressure per ASTM E283)
  • Water penetration resistance (psf per ASTM E331 or AAMA 501.1)
  • Structural wind load (psf per ASTM E330, design pressure)
  • Forced entry resistance (per ASTM F588 where specified)
  • Impact resistance (ANSI Z97.1 and CPSC 16 CFR 1201 for safety glazing)
  • Bullet resistance (UL 752 levels where specified)
  • Blast resistance (GSA/ISC or ASTM F2927 where specified)
  • Door gauge (16ga, 18ga, 20ga for hollow metal)
  • Frame gauge (16ga, 14ga for hollow metal)
  • Glass makeup (monolithic, laminated, insulating, tempered, heat-strengthened)
  • Curtain wall deflection (L/175, L/240, or as specified)

How severe is it?

Default grade: Blocker. Always a Blocker when the gap touches life-safety or structural performance.

Deviation Check assigns a default per category and escalates or de-escalates based on the spec, always showing its reasoning. See the Division 08 severity rules.

What the PM should do

Treat this as a hold. Do not approve the submittal until the sub resolves it, either by providing the specified product and documentation or by routing an approved substitution or or-equal request. Return the relevant spec passage to the sub as a redline.

Back to the Division 08 Openings hub, browse all divisions, or start a review.

Frequently asked questions

What fire-rating and glazing performance gaps are most often flagged in Division 08 Openings submittals?

Fire-door assemblies rated at the wrong minute class - say 20-minute where 60-minute is specified per UL or WHI tested assembly - are the most common Blocker. Glazing submittals frequently show the wrong U-value (Btu/hr-sf-F) or SHGC per NFRC rating, or fail ASTM E283 air infiltration or ASTM E331 water penetration resistance at the specified test pressure. Each of these is a life-safety or thermal-compliance issue and stays a Blocker until corrected.

Does a lighter door gauge than specified count as a performance gap in Division 08 Openings submittals, and why does it matter before fabrication?

Yes - hollow metal door gauge (16ga, 18ga, 20ga) and frame gauge (16ga, 14ga) are measurable performance parameters, and submitting 20ga where 18ga is specified is a Blocker once fabrication begins because field correction is impractical. The same applies to curtain wall deflection limits (L/175 or L/240) and structural wind load capacity per ASTM E330. Catching the gap at submittal review prevents costly re-fabrication or field rejection.

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