Greater Houston › Galveston
Spray Foam Insulation in Galveston, TX
Phantom Foam provides dependable spray foam insulation in Galveston and the surrounding coastal region — built to resist moisture, salt air, and temperature swings while maximizing indoor comfort.
Salt air
YEAR-ROUND CORROSIVE COASTAL EXPOSURE
70%+
GALVESTON ISLAND HUMIDITY YEAR-ROUND
Post-Ike
LARGE STOCK OF ELEVATED RECONSTRUCTION HOMES
0%
INTEREST FINANCING FOR 12 MONTHS
WHY GALVESTON NEEDS SALT-AIR TOUGH INSULATION FOR GULF COAST PROPERTIES
Galveston Island is the most demanding insulation environment Phantom Foam operates in. Salt air, year-round Gulf humidity, hurricane exposure, and tidal moisture infiltration combine to create conditions that defeat standard fiberglass batts within years rather than decades. Historic properties in the East End and Midtown districts, raised pier-and-beam homes throughout the island, and modern construction along the Seawall and West End all require closed cell spray foam as the vapor control specification — not as an upgrade, but as the baseline minimum for any assembly that will perform reliably in Galveston's coastal climate.
Galveston's building stock is unusually diverse: 1890s Victorian homes, post-Ike elevated reconstruction builds, vacation rentals on the West End, and commercial spaces along The Strand and Seawall Blvd each require a different approach to the same underlying problem. Salt air infiltration corrodes fasteners and framing. Tidal flooding history means crawl spaces and underfloor assemblies have experienced repeated moisture exposure. Hurricane-rated construction requirements interact with insulation assembly choices in ways that need to be understood before foam is applied. Phantom Foam has experience with all of these scenarios.
Residential Spray Foam
Open-cell and closed-cell insulation for homes — new construction and retrofit.
View Details →Attic Insulation
Full air seal and foam — critical for Houston heat and humidity.
View Details →Crawl Space & Rim Joist
Closed-cell encapsulation to stop moisture infiltration.
View Details →Commercial & Industrial
Spray foam for commercial buildings and industrial facilities.
View Details →Blown-In Insulation
Blown-in and hybrid air-seal systems for eligible spaces.
View Details →Polyurea Coatings
Industrial-grade coatings for concrete and steel.
View Details →How It Works
Every project follows the same four-step process — free assessment to final documentation.
- 01
Free on-site assessment — inspect the space, take moisture readings, identify the right product.
- 02
Clear written recommendation — open cell, closed cell, or blown-in based on your building and budget.
- 03
Professional installation — trained crews with professional proportioning equipment.
- 04
Inspection and documentation — depths verified, site cleaned, close-out packages available.
Galveston Spray Foam FAQ
IS SPRAY FOAM THE RIGHT CHOICE FOR AN OLDER GALVESTON PIER-AND-BEAM HOME?
Yes — closed cell spray foam is the correct specification for pier-and-beam homes on Galveston Island. It creates a Class II vapor retarder on the underside of the floor assembly, resists bulk moisture from tidal events, does not absorb or wick moisture the way fiberglass does, and adds structural rigidity to the floor system. For conditioned attic assemblies, open cell at the roofline is appropriate with proper ventilation detailing.
DOES SALT AIR AFFECT SPRAY FOAM PERFORMANCE OVER TIME?
No — spray foam is not affected by salt air the way metal fasteners, fiberglass faced batts, or paper-faced insulation are. Closed cell foam does not corrode, does not absorb moisture, and does not degrade from salt exposure. It is one of the reasons it is the correct specification for Galveston Island properties.
I HAVE A POST-IKE ELEVATED HOME. DOES RAISED CONSTRUCTION CHANGE THE INSULATION APPROACH?
Yes — elevated homes have an underfloor assembly exposed to outdoor air on all sides rather than a ground-level crawl space. This changes the moisture dynamics and the correct insulation approach. We assess the specific assembly and recommend either closed cell on the underside of the floor deck or closed cell at the rim joist and foundation walls depending on how the home was built. We do this assessment at no charge.
DO YOU HANDLE COMMERCIAL WORK ALONG THE STRAND AND SEAWALL BLVD?
Yes — we handle commercial build-outs, vacation rental properties, and Seawall corridor facilities throughout Galveston. We are experienced with the specific humidity control and salt air management requirements of commercial properties on the island.
Houston Area Neighborhoods We Serve
Get a Free Quote in Galveston
Licensed, insured, and 0% interest financing available. Monday through Saturday scheduling.