● ActiveHVHZ approvedLast checked Oct 21, 2026
Henry WIP & Tri-Built Self-Adhered Underlayments
Florida product approval and Miami-Dade NOA.
Check: Not approved under tile; max exposure 30 days (WIP 100, TRI-BUILT 100, WIP GRIP FR HT), 90 days (WIP GRIP) or 180 days (250 HT, 300 HT).
FL #FL6785
Miami-Dade NOA26-0403.02
NOA expires08/05/2030In 46 months
Approval details
- Manufacturer
- Henry · 336 Cold Stream Road, Kimberton, PA 19442
- Category
- Roofing · Underlayment · Self-adhered SBS
- Approved in HVHZ
- Yes
- Deck type
- Wood
- NOA approved
- 06/18/2026 · replaces NOA 25-0402.07
Official documents
PDFMiami-Dade NOA 26-0403.02miamidade.govPDFFL6785-R12 evaluation, Carlisle WIP underlayments (non-HVHZ; WIP names only)floridabuilding.org
Verify on floridabuilding.org ↗Products this NOA lists
WIP 100 · TRI-BUILT 100 · WIP 250 HT · TRI-BUILT 250 HT · WIP 300 HT · TRI-BUILT 300 HT · WIP GRIP · WIP GRIP FR HT
Quick answers
What is the FL number for Henry WIP & Tri-Built Self-Adhered Underlayments?
FL6785 (HVHZ). The Miami-Dade NOA is 26-0403.02.
Is Henry WIP & Tri-Built Self-Adhered Underlayments approved in the HVHZ?
Yes, on wood decks. The NOA expires 08/05/2030.
Public record. Always verify on the official source before you permit.