● ActiveHVHZ approvedLast checked Oct 21, 2026
CertainTeed DiamondDeck Synthetic Underlayment
Florida product approval and Miami-Dade NOA.
Check: For shingle, shake, metal and slate roofs (not tile, no hot asphalt); max 180 days exposed; no recover. HVHZ approval is from the Miami-Dade NOA; FL16543 is the statewide (non-HVHZ) approval.
FL #FL16543-R7
Miami-Dade NOA24-1217.04
NOA expires01/24/2030In 39 months
Approval details
- Manufacturer
- CertainTeed · 20 Moores Road, Malvern, PA 19355
- Category
- Roofing · Underlayment · Synthetic polypropylene
- Approved in HVHZ
- Yes
- NOA approved
- 05/08/2025
Official documents
PDFMiami-Dade NOA 24-1217.04miamidade.govPDFFL16543-R7 PEER, CertainTeed RoofRunner and DiamondDeck (non-HVHZ)floridabuilding.org
Verify on floridabuilding.org ↗Quick answers
What is the FL number for CertainTeed DiamondDeck Synthetic Underlayment?
FL16543 (HVHZ). The Miami-Dade NOA is 24-1217.04.
Is CertainTeed DiamondDeck Synthetic Underlayment approved in the HVHZ?
Yes. The NOA expires 01/24/2030.
Public record. Always verify on the official source before you permit.