Closed-cell spray foam creates an airtight, moisture-resistant barrier beneath your Denver home — eliminating cold floors, musty odors, and energy loss. Serving Denver, Aurora, Lakewood, Arvada, Westminster, Thornton, Centennial, Boulder, Littleton, Broomfield, Castle Rock, Parker, Golden, Englewood, and the surrounding Denver metro area within 100 miles.
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Eliminates cold floors and drafts from below
Closed-cell foam acts as insulation + air barrier + moisture barrier
Prevents mold and mildew in Denver's freeze-thaw climate
R-6.5 per inch — meets code requirements in fewer inches
Adheres directly to surfaces — no sagging or falling over time
Pairs with crawl space encapsulation for complete protection
A proven, methodical approach refined over 20+ years of professional installation.
We assess your crawl space conditions including existing insulation, moisture levels, ventilation, and structural elements to determine the best approach.
Any old, damaged insulation is removed, and surfaces are prepared for spray foam application. Moisture sources are identified and addressed.
Closed-cell spray foam is applied to rim joists, foundation walls, and/or subfloor surfaces at the specified thickness for a seamless thermal and moisture barrier.
We verify proper coverage and thickness throughout the crawl space and leave the area clean and accessible.
Crawl spaces are one of the most overlooked — and most problematic — areas in Denver homes. Approximately 35% of Colorado homes have crawl space foundations, and most suffer from inadequate insulation, moisture intrusion, and air leakage that drive up energy bills and create uncomfortable living conditions. Cold floors in winter, musty odors, and mold growth are all signs that your crawl space needs attention. Closed-cell spray foam insulation is the premier solution for Denver crawl spaces because it addresses three problems simultaneously: thermal insulation (R-6.5 per inch), air sealing, and moisture resistance. Unlike fiberglass batts that sag, fall, and trap moisture, spray foam adheres directly to rim joists, foundation walls, and subfloor surfaces, creating a continuous barrier that performs for the life of the building. Sky Insulation's experienced crews specialize in crawl space spray foam applications throughout the Denver metro area. We assess your crawl space conditions, recommend the optimal approach (walls vs. subfloor, encapsulation options), and deliver a professional installation that transforms your crawl space from a liability into an asset.
Spray foam on crawl space surfaces eliminates the cold floors that Denver homeowners experience during Colorado's harsh winters.
Closed-cell spray foam is a vapor barrier, preventing ground moisture from rising into your crawl space and causing mold, rot, or musty odors.
Sealing and insulating your crawl space can reduce your home's total energy loss by 15–25%, with noticeable improvements in comfort immediately.
Unlike fiberglass batts that sag and fall, spray foam adheres directly to surfaces and maintains its R-value for the life of the building.
In most Denver homes, insulating the crawl space walls (and sealing vents) is more effective than insulating the subfloor. This creates a conditioned crawl space that is warmer, drier, and more energy-efficient. We'll assess your specific situation and recommend the best approach.
Yes. Cold floors are almost always caused by inadequate crawl space insulation and air leakage. Closed-cell spray foam on the rim joists and foundation walls (or subfloor) creates a thermal barrier that eliminates cold floors.
Closed-cell spray foam is a moisture barrier that significantly reduces the conditions that promote mold growth. Combined with proper drainage and encapsulation, it is the most effective way to keep your crawl space dry and mold-free.
Costs vary based on the crawl space size, accessibility, and scope of work. Contact us for a free inspection and detailed estimate tailored to your specific crawl space conditions.
Serving Denver, Aurora, Lakewood, Arvada, Westminster, Thornton, Centennial, Boulder, Littleton, Broomfield, Castle Rock, Parker, Golden, Englewood, and the surrounding Denver metro area within 100 miles.
Based in Denver, CO, we provide professional insulation, fireproofing, and waterproofing services to homeowners and businesses within a 100-mile radius.
+ Surrounding communities within the Denver Metro Area
