spider insulation

Complete Coverage for More Efficient Homes

Name: Spider Blown-In Fiberglass Insulation
Brand: Liberty Insulation
Availability: InStock

Spider blown-in fiberglass insulation is designed to completely fill wall cavities, reducing gaps and improving overall comfort and energy efficiency without the cost of spray foam.

high density

Thermal Performance

Installed using a specialized blowing system, Spider insulation is applied at a higher density than standard fiberglass. It conforms around wiring, plumbing, and framing to create consistent coverage and thermal performance.

This makes it a strong solution for homeowners and builders looking for reliable performance without the higher cost of spray foam.

Worker in neon yellow shirt pours white insulation from plastic bag into large orange machine.

performance

Why Blown-In Fiberglass Works

Complete Coverage

Fills around wires, pipes, and irregular framing

Energy Efficiency

Improves temperature control throughout the home

Consistent Performance

Reduces gaps that lead to energy loss

Cost-Effective Option

Strong performance at a lower price point than spray foam

Attic with wooden beams and white loose-fill insulation covering the floor between the joists.

Is Spider Insulation Right for Your Project?

Building a new home

Insulating wall cavities

Looking for better coverage than batt insulation

Balancing performance and budget

Wanting improved sound control between rooms

strategic comparison

Spider Insulation vs Fiberglass Insulation

sPIDER Insulation

Better cavity fill than standard batts

Consistent thermal performance

Lower cost

fiberglass insulation

Lower initial cost

Requires air sealing to perform at full potential

Lower performance in extreme conditions

The Bottom Line

Spray foam provides superior air sealing and higher R-value per inch. However, Spider insulation offers consistent thermal performance at a lower cost. It is ideal when full foam is not required but improved performance over batt is desired.

Where Spider Insulation Works Best

Exterior walls

Interior walls for sound control

New construction projects

Irregular or complex framing

Our Blown-In Installation

Installed on-site by certified professionals. Proper prep, application and inspection ensure performance and coverage.

Prep / Application / Finish

What Does Blown-In Insulation Cost?

Blown-in fiberglass insulation costs vary depending on the size of the project and accessibility. It is typically more affordable than spray foam while still delivering strong energy performance.

Get an Insulation Estimate

Ready to improve your home’s comfort and efficiency?