● ActiveHVHZ approvedLast checked Oct 21, 2026

Sikalastic 624/644 Roofing and Waterproofing System over Concrete Decks

Florida product approval and Miami-Dade NOA.

Check: Concrete decks (min. 2500 psi), incl. tile, paver, dual-slab and planter systems; integrity flood testing required.

Miami-Dade NOA25-0623.09

NOA expires07/09/2031In 57 months

Approval details

Manufacturer: Sika · 201 Polito Avenue, Lyndhurst, NJ 07071
Category: Roofing · Low-slope · Waterproofing membrane (Polyurethane) over concrete deck
Approved in HVHZ: Yes
Deck type: Concrete
NOA approved: 07/16/2026 · replaces NOA 23-1219.07

Official documents

PDFMiami-Dade NOA 25-0623.09miamidade.gov

Verify on floridabuilding.org ↗

Products this NOA lists

Sika Fleece 120 · Sika Fleece 140 · Sika Fleece 170 · Reemat Premium · Sikalastic 621 TC · Sikalastic 624 WP · Sikalastic 644 Lo-VOC · Sikalastic 641 Lo-VOC · Sikalastic GDC Primer · Sikalastic DTE Primer · Sika Bonding Primer · Sikalastic EP Primer/Sealer · Sika Concrete Primer Lo-VOC · Sika Drainage Mat 420 · Sika Drainage Mat 720 · Sika Drainage Mat 1000 · Sika Drainage Mat GRS

Quick answers

Is Sikalastic 624/644 Roofing and Waterproofing System over Concrete Decks approved in the HVHZ?

Yes, on concrete decks. The NOA expires 07/09/2031.

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