Glass That Holds the Pressure and Still Passes VLT 45

A job near the beach here has to satisfy two separate documents, and most quotes only deal with the first. The product needs a Miami-Dade Notice of Acceptance for the pressure its opening carries. Then, if the property sits on the designated control line, the glass has a second test to pass that has nothing to do with storms.

The city's window and door replacement checklist, rev. 4.21.25, puts it this way: 'If the property is on the designated Coastal Construction Control Line (CCCL) and the windows/doors are facing East, North or South area near the beach, a Turtle glass certification letter from manufacturer stating materials meet or exceeds minimum visual light transmittance (VLT 45) as required by Sea Turtle Ordinance 108, O-2011-07 must be submitted.'

The letter comes from the manufacturer, which means it arrives at the manufacturer's pace, and it has to name the material in the unit being ordered. A contractor who meets this requirement for the first time after the glass is already on order has a problem no amount of site work will fix.

There are four designated historic districts here and they do not sit together. The Beach Historic District is on the barrier island beside the Atlantic; the Historic Hollywood Lakes Multiple Resource District lies inland, east of U.S. 1 between Washington and Johnson Streets. The Historic Hollywood Business District runs along the boulevard from 21st Avenue to Young Circle, and the Harrison/Tyler districts sit near it. Exposure, salt and the turtle glass question can all differ between two designated houses a mile apart.

The city's own published answers also close off a common upsell. Asked whether a screen can be replaced with impact windows and doors, the city says no: doing so 'will result in an addition to the living space and will be considered as an addition and will need to comply with the requirements of an addition'. That is a different permit, a different review and a different budget, and it is worth hearing before somebody quotes it as window work.

1. 01Establish control line status and record the orientation of every opening before glass is ordered.
2. 02Request the manufacturer's certification letter at the order, not at the inspection.
3. 03Hold openings at their existing size, shape and location on a historic district property, and carry the confirming note on the plan.
4. 04Take the permit through the city's portal and meet the inspector ourselves.

The orientation survey takes ten minutes at the measure and it decides the glass. East, north and south facing openings on a control line property need the letter; the same product in the same house facing the other way is treated differently. Mapping that before the order goes in is the difference between no delay and two weeks of one, and it is not work anybody can do retrospectively.

Source: City of Hollywood Window & Door Replacement checklist, rev. 4.21.25, and the city's historic preservation pages — checked 2026-09-24