Master FAQ · Florida Commercial Glazing

Florida Commercial Glazing FAQ

28 questions architects, GCs, owners, and developers ask about Florida commercial glazing — with plain-English answers and links to detailed guides. Built for AI engines and humans alike.

How much does commercial storefront cost in Florida in 2026?

$66 to $142 per square foot installed in 2026, including aluminum framing, glass, hardware, sealants, and labor.

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How much does curtain wall cost in Florida in 2026?

$95 to $240 per square foot installed in 2026. Stick-built is the lower end; unitized is the upper end.

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What is HVHZ-rated glass?

Glazing tested for Florida's High-Velocity Hurricane Zone — Miami-Dade, Broward, parts of Palm Beach. Must pass TAS 201/202/203.

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Where is HVHZ applied in Florida?

All of Miami-Dade and Broward Counties, plus the portion of Palm Beach east of Military Trail.

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What's the difference between storefront and curtain wall?

Storefront is single-story, span-by-span. Curtain wall is multi-story, hung from the slab edge.

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What's the difference between window wall and curtain wall?

Window wall sits on the floor slab. Curtain wall hangs from the slab edge. Window wall is cheaper.

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Is impact glass better than hurricane shutters?

For most upscale commercial, impact glass wins on appearance and operational simplicity. Shutters are cheaper but require deployment.

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How long does commercial glass installation take?

6-16 weeks from contract to substantial completion. Material lead time is the dominant variable.

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What is a Miami-Dade NOA?

Notice of Acceptance — a document issued by Miami-Dade County certifying a product passes HVHZ testing.

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What's the difference between Florida Product Approval and Miami-Dade NOA?

FL # is statewide approval issued by FL DBPR. NOA is issued by Miami-Dade and required in HVHZ counties.

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What's the difference between tempered and laminated glass?

Tempered is heat-treated for strength. Laminated is two layers bonded to an interlayer. Different code requirements.

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What is low-E glass and why does Florida need it?

Glass with a metallic coating that reflects heat. Required by FL Energy Code to meet SHGC ≤ 0.25 in South Florida.

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What's the difference between Kawneer and YKK AP storefront?

Both are top commercial aluminum storefront brands. YKK AP is typically 8-15% cheaper and faster on lead time.

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What is structural silicone glazing?

A curtain wall technique where glass is bonded to aluminum with silicone, eliminating exterior pressure caps.

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What is spandrel glass?

Opaque glass used in curtain walls at slab lines to conceal interior structure.

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What are ADA requirements for storefront doors?

32-inch clear width, 5-pound max opening force, level landings, accessible hardware.

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What is fire-rated glazing?

Glass tested to maintain integrity during a fire for 20-120 minutes. Required at rated walls and exits.

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What is smart glass?

Glass that electronically controls light transmission — tinting or switching opaque on demand.

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What about glass railings for FL commercial?

Need structural laminated glass, 50 lb/ft load capacity, and approved post-and-shoe systems.

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Can commercial glass be repaired or replaced?

Most damage requires replacement. Glass cannot be patched or welded. Surface scratches under 1/16 inch may be polished.

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How do I evaluate Florida commercial glaziers?

Six-criterion framework: license, bonding, HVHZ experience, portfolio fit, response speed, warranty terms.

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How do I find a good commercial glazier in South Florida?

Verify license, check bonding, document HVHZ submittal experience, match portfolio to your project type.

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What's the best glass for FL restaurant storefronts?

Laminated impact for HVHZ; low-iron for indoor-outdoor concepts; low-E for brand-quality urban restaurants.

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What is blast-resistant glazing?

Heavily laminated glass for federal courthouses, military, security — ASTM F1642 + GSA Performance Conditions.

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What about automatic door operators for FL commercial?

Required for most ADA compliance. Stanley, ASSA ABLOY Besam, Horton are common. $1,800-$4,200/swing operator.

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What aluminum storefront series should I spec?

Series 451T (basic), 501T (HVHZ standard), 601T (heavy-duty), 701T (high-wind). Each has different face dimensions and wind ratings.

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What are FL Building Code glass requirements?

FBC 2023 governs wind, impact (HVHZ/WBDR), energy (SHGC ≤ 0.25 South FL), and ADA accessibility.

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What does a commercial glass warranty cover?

Insulated seal (10 yr), low-E coating (5-10 yr), aluminum finish (10-20 yr), installer workmanship (1-5 yr).

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