● ActiveHVHZ approvedLast checked Oct 21, 2026

Sikalastic RoofPro 621/641 Liquid-Applied Roof System over Concrete Decks

Florida product approval and Miami-Dade NOA.

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Check: Concrete decks; insulation fasteners min. 275 lbf; perimeter/corner fastening needs PE-signed calculations.

Miami-Dade NOA24-0124.12

NOA expires02/04/2030In 40 months

Approval details

Manufacturer: Sika · 201 Polito Avenue, Lyndhurst, NJ 07071
Category: Roofing · Low-slope · Liquid-applied (Polyurethane) roof system
Approved in HVHZ: Yes
Deck type: Concrete
NOA approved: 03/06/2025 · replaces NOA 23-0817.11

Official documents

PDFMiami-Dade NOA 24-0124.12miamidade.gov

Verify on floridabuilding.org ↗

Products this NOA lists

Sikalastic 621 TC · Sikalastic 641 Lo-VOC · Reemat Premium · SikaFleece 120 · SikaFleece 140 · SikaFleece 170 · Sarnavap SA · Sarnavap SA Primer · Sika Bonding Primer · Sikalastic EP Primer/Sealer · Sika Concrete Primer Lo-VOC · Sikalastic DTE Primer · Sikalastic GDC Primer

Quick answers

Is Sikalastic RoofPro 621/641 Liquid-Applied Roof System over Concrete Decks approved in the HVHZ?

Yes, on concrete decks. The NOA expires 02/04/2030.

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