Existing Exterior Wall Insulation in N.E. Florida | ProSeal

Exterior Wall Insulation for Existing Homes & Buildings in N.E. Florida

Many homes and buildings across Northeast Florida have little to no insulation in their exterior walls. ProSeal Insulation specializes in retrofit wall insulation, using a proven method that involves drilling small access holes and dense-packing blown-in fiberglass directly into wall cavities.


This service dramatically improves comfort without major renovations.

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Benefits of Wall Insulation Retrofits

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Reduces heat transfer through walls

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Improves sound control

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Lowers energy bills

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Reduces drafts

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Minimal disruption to the home

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Faster and more affordable than wall removal

Ideal For

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Older Florida homes

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Wood-frame construction

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Homes with hot or cold walls

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Renovations or energy upgrades

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Commercial buildings with uninsulated walls

How the Process Works

We drill a series of 2-inch diameter access holes between wall studs


We use a special adapter to directional-blow fiberglass insulation into the cavity through the 2” holes.


We plug & spackle the holes (final finish / paint is up done by the customer


Residential & Commercial Use

This method is commonly used in:

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Single-family homes

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Apartments & condos

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Office buildings

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Retail storefronts

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Schools and municipal structures

Service Areas

Available throughout Jacksonville, St. Augustine, Palm Coast, Gainesville, Orange Park, Callahan, Keystone Heights, and all of Northeast Florida.