● ActiveHVHZ approvedLast checked Oct 21, 2026
Garland Terra-Seal and VaporSmart SA Underlayments
Florida product approval and Miami-Dade NOA.
Check: VaporSmart SA is not for tile; Terra-Seal under tile needs the specified adhesives; no install over an existing membrane; max 180 days exposed.
Miami-Dade NOA24-0222.08
NOA expires08/15/2029In 34 months
Approval details
- Manufacturer
- Garland · 3800 East 91st Street, Cleveland, OH 44105-2197
- Category
- Roofing · Underlayment · Self-adhered SBS, Polyester
- Approved in HVHZ
- Yes
- Deck type
- Wood
- NOA approved
- 08/15/2024
Official documents
Verify on floridabuilding.org ↗Products this NOA lists
Terra-Seal · VaporSmart SA
Quick answers
Is Garland Terra-Seal and VaporSmart SA Underlayments approved in the HVHZ?
Yes, on wood decks. The NOA expires 08/15/2029.
Public record. Always verify on the official source before you permit.