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Paramount InsulationPlease wait while we prepare your content
Professional Fiberglass Insulation Services
Reliable and cost-effective fiberglass insulation solutions. Perfect for new construction and areas where batt or roll installation is practical.
Fiberglass insulation has been the industry standard for decades, offering reliable thermal performance, fire safety, and cost-effectiveness. Available in batt and roll forms, it's ideal for new construction and renovation projects where accessibility allows for proper installation. For Long Island homeowners undertaking major renovations or new construction, fiberglass provides a proven, dependable solution that meets all local building codes.
As a non-combustible material, fiberglass provides excellent fire protection while maintaining consistent thermal performance over time. This is particularly important in Long Island's mixed climate (Climate Zone 4), where insulation must perform effectively in both winter cold and summer heat. Fiberglass R-values range from R-3.1 to R-4.3 per inch, depending on density, allowing you to achieve the recommended R-13 to R-15 for walls and R-49 to R-60 for attics specified by the Department of Energy for our region.
Many Long Island homes built in the 1950s-1970s have compressed or deteriorated fiberglass batts that have lost their effectiveness. Modern high-density fiberglass insulation offers superior performance and longevity compared to these older installations. When properly installed with careful attention to fit and compression prevention, fiberglass can last the lifetime of your home—80+ years—without losing thermal properties.
Fiberglass batts are the go-to choice for new home construction and gut renovations where wall and ceiling cavities are exposed. Long Island sees steady new construction in communities like Riverhead, Brookhaven, and Southampton, as well as extensive renovation projects in older neighborhoods. Fiberglass offers the perfect combination of affordability, ease of installation, and proven performance for these applications. The pre-cut batt format fits precisely between standard 16-inch or 24-inch on-center framing, ensuring consistent coverage.
Long Island's climate demands insulation that handles both heating and cooling loads effectively. Winter temperatures average 25-35°F with occasional drops below 15°F, while summer temperatures regularly reach 85-90°F with high humidity. Fiberglass insulation maintains consistent R-value across this temperature range and resists moisture absorption, preventing the degradation that can occur with some organic insulation materials in humid coastal climates. The material's ability to allow vapor transmission while resisting liquid water makes it well-suited to Long Island's conditions.
As a non-combustible material, fiberglass won't burn or contribute to fire spread—a critical safety feature for Long Island homes. Many Long Island communities have wood-frame construction with cedar shingles or wood siding, making fire-resistant building materials particularly important. Fiberglass insulation provides a passive fire barrier in walls and attics, potentially slowing fire progression and giving occupants more time to evacuate. This inherent fire resistance requires no chemical treatments and lasts the lifetime of the material.
Pre-cut fiberglass panels designed to fit between wall studs, floor joists, and ceiling rafters. Most common type for residential construction.
Continuous rolls of fiberglass insulation, ideal for large open areas and custom installations where batts aren't practical.
Non-combustible fiberglass won't burn or contribute to fire spread.
Lower material and installation costs compared to premium insulation types.
Decades of successful use and consistent thermal performance over time.
Simple to cut, fit, and install in standard construction applications.
Helps reduce noise transmission between rooms and from outside.
Resists moisture absorption and won't support mold growth.
Recommended R-values for different areas of your Long Island home
| Area | Recommended R-Value | Typical Fiberglass | Thickness (inches) |
|---|---|---|---|
| Attic | R-49 to R-60 | R-3.1 batt | 16-19 inches |
| Exterior Walls | R-13 to R-15 | R-3.1 to R-4.3 batt | 3.5-5.5 inches |
| Basement Walls | R-10 to R-13 | R-3.1 batt | 3.5-4 inches |
| Crawl Space Walls | R-10 to R-13 | R-3.1 batt | 3.5-4 inches |
| Floor (over unheated space) | R-25 to R-30 | R-3.1 batt | 8-10 inches |
*R-values are Department of Energy recommendations for Long Island's climate zone.
New build requiring complete insulation package
Solution: R-15 walls, R-60 attic, R-30 floor over garage
Results: Passed energy audit with flying colors, HERS rating of 62
Complete interior demo, walls and ceilings exposed
Solution: High-density R-15 wall batts, R-49 attic batts
Results: Transformed from energy hog to efficient home, consistent temperatures
New construction addition to 1960s cape cod
Solution: R-15 walls, R-30 floor, R-49 ceiling batts with vapor barrier
Results: Addition more comfortable than original house, minimal heating/cooling impact
Cavity Measurement & Planning
Measure all framing cavities to determine proper batt sizes. Verify framing is 16-inch or 24-inch on-center and cavity depths (2x4=3.5", 2x6=5.5"). Identify any irregular spaces requiring custom cutting.
Vapor Barrier Assessment
Determine if faced or unfaced batts are appropriate. For Long Island's mixed climate, we typically use kraft-faced batts in walls and unfaced in attics where separate vapor barriers may be installed.
Obstacle Documentation
Identify and mark all electrical boxes, plumbing penetrations, HVAC ducts, and recessed lights. Plan insulation approach to maintain proper clearances while maximizing coverage.
Material Delivery & Staging
Deliver fiberglass batts to job site and stage in protected, dry location. Organize by size and type for efficient installation. Verify quantities match project specifications.
Precise Cutting & Fitting
Cut batts to exact cavity dimensions. Never compress fiberglass—it must fill the cavity without being squeezed, as compression reduces R-value. Custom-cut around outlets, switches, and pipes.
Friction-Fit Installation
Install batts by gently pushing into cavities. Proper friction-fit holds insulation in place without fasteners. Ensure batts completely fill cavity depth and contact both front and back surfaces.
Split Batts Around Obstacles
Carefully split batts to fit around wiring, pipes, and junction boxes. Place half the batt behind obstacles and half in front to maintain full R-value without compression or gaps.
Vapor Barrier Attachment
For kraft-faced batts, staple flanges to face of studs (not sides) to create continuous vapor barrier. Overlap seams by 2 inches and seal with caulk or tape. Ensure vapor barrier faces heated space.
Attic Installation
Lay attic batts perpendicular to joists for first layer, then add second layer perpendicular to first if higher R-value needed. Maintain ventilation paths at eaves with baffles. Don't cover recessed lights unless IC-rated.
Quality Inspection
Inspect all cavities for complete fill, proper density, and no compression. Verify no gaps around obstacles or at cavity edges. Check vapor barrier continuity and proper orientation. Document installation with photos.
Get proven performance and cost-effectiveness with fiberglass insulation. Free estimate available.