National Gypsum Company a dba of National Gypsum Services Company
4 FL numbers: Ready 3 · Pending 0 · Not yet 1 (75% ready for 2026)
If an older number reads Not yet, look for a newer number from the same maker below. Some re-file under a new number.
FL numbers
| FL # | Manufacturer | 2026 status |
|---|---|---|
| FL18399 | National Gypsum Company a dba of National Gypsum Services Company | ReadyFL18399-R4: Approved |
| FL39860 | National Gypsum Company a dba of National Gypsum Services Company | Not yetNo 2026 filing found |
| FL17840 | National Gypsum Company a dba of National Gypsum Services Company | ReadyFL17840-R5: Approved |
| FL18389 | National Gypsum Company a dba of National Gypsum Services Company | ReadyFL18389-R4: Approved |
Miami-Dade NOAs (HVHZ)
From Miami-Dade Product Control, matched by applicant name.
| NOA | Description | Expires |
|---|---|---|
| 25-0722.11 | DEXcell FA Glass Mat Roof Board, DEXcell Glass Mat Roof Board and DEXcell Cement Roof Board | June 18 2031 |
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