Window Wall Pillar · Florida CGC

Commercial window wall systems

Window wall is slab-to-slab glazing — the cost-efficient middle path between storefront and curtainwall. Common in multifamily, condo, and mid-rise hospitality. We install ESWindows ES7000, ESWindows ES-CS1325, and equivalent commercial systems with HVHZ NOA configurations across Florida.

By Connor Walsh · President, American Commercial Glass · Published May 13, 2026

Direct answer

ACG is a Florida-licensed commercial window wall installer (FL CGC #1531993). We install slab-to-slab window wall systems for multifamily, condo, mid-rise hotel, and mixed-use projects. Authorized installer for ESWindows ES7000 / ES7100, ESWindows ES-CS1325, and equivalent commercial lines. HVHZ Miami-Dade NOA assemblies available.

License
FL CGC
#1531993
Certified General Contractor
Founded
2021
WPB HQ
Commercial, 2021–2026
Coverage
3
FL Offices
FL & Southeast
Bid Speed
48
Hours
On documented scopes
Safety
OSHA 30
Crews
5+ year clean record
Coverage
WPB · Naples
· Tampa

What window wall is

Window wall is a non-load-bearing exterior glazing system installed between slabs — the bottom of each story’s window wall rests on (or anchors to) the slab below, and the top tucks under the slab above. Window wall is stacked floor by floor.

This is different from curtainwall, which hangs outside the slab edges as one continuous skin. Window wall is more economical, sequences naturally with concrete construction, but typically caps out at ~10 stories.

Common applications:

Systems we install

Window wall systems ACG installs, with design pressures and NOA references
SystemManufacturerDesign PressureNOAUse
ES7000 (LMI)ESWindows+125 / −150 PSF23-0724.09HVHZ multifamily, condo
ES7100 (SMI)ESWindows+125 / −150 PSF23-0724.10Non-HVHZ multifamily
ESWindows ES-CS1325ESWindowsPer NOAMultipleMid-rise commercial

Source: ESWindows technical datasheets and Miami-Dade Product Control NOA database.

Window wall vs curtainwall — when window wall wins

Use window wall when:

Use curtainwall when assembly is Class A office, hotel tower, or requires flush SSG aesthetic. Full decision framework.

Selected window wall projects

Three completed Florida multifamily and condo projects using the window wall systems described above.

Gulfside Twelve — Fort Myers Beach window wall condominiums at twilight
Gulfside Twelve — Fort Myers Beach, FL.
Villa L'Onz — 12-unit Bermuda-style townhomes, Riviera Beach FL
Villa L'Onz — Riviera Beach, FL.
Tradewinds Hobe Sound multifamily community aerial
Tradewinds Hobe Sound — Hobe Sound, FL.

Frequently asked questions

Can window wall be impact-rated for HVHZ?

Yes. ESWindows ES7000 holds a Miami-Dade NOA (23-0724.09) with design pressures to +125/−150 PSF.

What’s the height limit on window wall?

~10 stories is the practical limit. Above that, wind load and anchor capacity push you to curtainwall.

How is window wall waterproofed?

Sloped slab edge with back-dam, self-adhering flashing turn-down, and a sealed perimeter at head and jamb. AAMA 502 field water testing typically required on HVHZ.

Related ACG resources

Curtainwall vs window wall Storefront vs curtainwall Curtainwall installation Storefront systems Window wall cost per SF ESWindows ES7000 Florida HVHZ Miami HVHZ

Have a project?

Send drawings to ACG. We’ll review system selection, code path, and budget — no charge. Florida CGC #1531993.

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