● ActiveHVHZ approvedLast checked Oct 21, 2026

Atlas Summit Synthetic Underlayments

Florida product approval and Miami-Dade NOA.

Check: Not for tile, hot mopping or recover; exposure limit 180 days (Summit 180, Gorilla Guard Premium) or 90 days (Summit 60, Summit). HVHZ approval is from the Miami-Dade NOA; FL21350 is the statewide (non-HVHZ) approval.

FL #FL21350-R5
Miami-Dade NOA26-0602.01
NOA expires12/27/2027In 14 months

Approval details

Manufacturer
Atlas Roofing · 2100 Riveredge Parkway, Suite 600, Atlanta, GA 30328
Category
Roofing · Underlayment · Synthetic polypropylene
Approved in HVHZ
Yes
NOA approved
09/17/2026 · replaces NOA Revises NOA 22-0722.06

Official documents

Verify on floridabuilding.org ↗

Products this NOA lists

Summit 180 · Summit 60 · Summit · Gorilla Guard Premium

Quick answers

What is the FL number for Atlas Summit Synthetic Underlayments?

FL21350 (HVHZ). The Miami-Dade NOA is 26-0602.01.

Is Atlas Summit Synthetic Underlayments approved in the HVHZ?

Yes. The NOA expires 12/27/2027.

Public record. Always verify on the official source before you permit.