Insulfoam DIY Garage Door Insulation

The largest uninsulated space in most homes is the garage door. Save money on your electric and gas bills by keeping that heat indoors. Insulfoam’s Garage Door Insulation Kit provides an easy, and effective DIY insulation solution for increasing the energy efficiency of your home.

Product Description

Insulfoam® Garage Door Insulation Kit contains eight 1.25″ thick, R‑5 rated expanded polystyrene (EPS) panels that fit standard 8′ or 9′ garage doors. The panels are recyclable, free from formaldehyde and ozone-depleting HCFCs, and install quickly—typically in under one hour.

Key Benefits

  • High R‑Value: Provides R‑5.2 at 40 °F and R‑4.8 at 75 °F—outperforming typical door insulation.
  • Energy & Cost Savings: Reduces heating and cooling load savings on utility bills.
  • Noise Reduction: Dampens interior sounds for quieter, more comfortable garage environments.
  • Eco-Friendly Design: 100% recyclable EPS with no formaldehyde or HCFCs.
  • Fast & Simple: Snap-in grooves match door panels—install in less than an hour with no adhesive needed.
  • Tax Incentives Potential: May qualify for federal energy-efficiency tax credits.

Best For

  • Standard 8’–9′ garage doors
  • DIY home energy upgrades
  • Reducing utility heating/cooling costs
  • Noise dampening for home workshops
  • Environmentally conscious homeowners

Product Properties

Property Specification
Panel Count 8 panels per kit
Panel Size 1.25″ thick, 20.25″ × 54″ (grooved to snap in)
R‑Value R‑5.2 @ 40 °F; R‑4.8 @ 75 °F
Materials Closed-cell EPS, no HCFCs or formaldehyde
Installation Time Under 1 hour
Recyclability 100% recyclable EPS panels