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Historic & Coastal Architecture • August 2026 • 16 min read

Palm Beach Ocean Boulevard: Salt-Mist Corrosion & Landmarks Preservation (LPC) Glazing

Navigating the Town of Palm Beach Landmarks Preservation Commission requirements while installing 175 MPH hurricane impact glass with AAMA 2605 Kynar 500 finishes and SentryGlas interlayers.

1. The Landmarks Preservation Challenge in Palm Beach

Replacing exterior apertures on historic estates along South Ocean Boulevard and North County Road requires strict approval from the Town of Palm Beach Landmarks Preservation Commission (LPC). The Commission mandates that all exterior sightlines, muntin profiles, and frame depths exactly match the original early-20th-century Addison Mizner or Maurice Fatio architectural specifications.

Palm Beach Historic Architectural Standards

Muntin Profile: 7/8" or 1-1/8" Historically Replicated Ogee True Divided Lites.
Exterior Finish: AAMA 2605 70% Kynar 500 Custom Dark Bronze Anodized.
Hardware Grade: 316 Marine Stainless Steel Concealed Multi-Point Locks.
Design Pressure Compliance: +85 / -105 PSF Coastal Rating.

2. Preventing Marine Salt-Mist Delamination with Ionoplast Technology

Estates within 500 feet of the Atlantic breaking surf experience constant airborne salt spray. Traditional PVB laminated glass absorbs salt moisture, leading to unsightly edge clouding within 3 to 5 years. Six Senses Builders specifies SentryGlas SG5000 ionoplast interlayers, which feature zero moisture absorption and an impenetrable chemical barrier against ocean chloride corrosion.

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