# Rigid polyurethane appliance foam, commercial refrigeration foam, laminated boardstock, marine flotation foam, sandwich panels, and slabstock — US AIM Act sector-specific refrigerant GWP limits and compliance dates (40 CFR 84.54)

For Rigid polyurethane appliance foam, commercial refrigeration foam, laminated boardstock, marine flotation foam, sandwich panels, and slabstock, restriction type is manufacture/import; maximum gwp is 150; effective date is January 1, 2025; conditions is foam products; cfr paragraph is § 84.54(a)(14)(i), recorded from its source on 2026-08-06.

- **Sector/subsector:** Rigid polyurethane appliance foam, commercial refrigeration foam, laminated boardstock, marine flotation foam, sandwich panels, and slabstock _(verified: appears in the quote below)_
- **Restriction type:** manufacture/import _(our reading, not quoted from the source)_
- **Maximum GWP:** 150 _(verified: appears in the quote below)_
- **Effective date:** January 1, 2025 _(verified: appears in the quote below)_
- **Conditions:** foam products _(verified: appears in the quote below)_
- **CFR paragraph:** § 84.54(a)(14)(i) _(our reading, not quoted from the source)_

## What the source says

> ( 14 ) Effective January 1, 2025, foam products (but not including foam products in <https://www.ecfr.gov/current/title-40/section-84.54#p-84.54(a)(15)> paragraph (a)(15) of this section) in the following subsectors using a regulated substance, or a blend containing a regulated substance, with a global warming potential of 150 or greater: ( i ) Rigid polyurethane appliance foam, commercial refrigeration foam, laminated boardstock, marine flotation foam, sandwich panels, and slabstock;

## Source

- https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84

Last verified: 2026-08-06. Review by: 2027-02-02.
Part of [US AIM Act sector-specific refrigerant GWP limits and compliance dates (40 CFR 84.54)](https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/).