# Manufacturer or Product Substitution in Division 13 Special Construction submittals

> Source: https://deviationcheck.com/divisions/13-special-construction/manufacturer-substitution/

The submittal proposes a different manufacturer or product than the spec names, without an approved or-equal or substitution request.

## What to look for in Division 13 Special Construction

Div 13 specs name specialty manufacturers for unique building systems. Look for:
- Clean room system manufacturer substitutions (Terra Universal, Cleanroom Systems)
- Pre-engineered metal building manufacturer substitutions (Nucor, BlueScope, Chief Industries, Metallic Building Company)
- Lightning protection manufacturer substitutions (Thompson Lightning, East Coast Lightning Equipment)
- Insulated panel manufacturer substitutions for cold storage and clean rooms (Metl-Span, Kingspan, CENTRIA)
- Radiation shielding manufacturer substitutions (MarShield, Nelco)
- Storm shelter and safe room manufacturer substitutions (US Safe Room, Survive-A-Storm)
- Seismic isolation bearing manufacturer substitutions (DIS/Dynamic Isolation Systems, Earthquake Protection Systems)
- Pool equipment manufacturer substitutions (Pentair, Hayward, Fluidra)

## Severity

Default grade: Blocker. Drops to a Note if the submittal attaches an or-equal approval letter from the architect of record.