Contact RAY-CORE SIPs ®

Toll Free: 1.877.552.2440

Largest Manufacturer of Structural Insulated Panels SIPs from a single location anywhere. See why...

  • Reliability - Time-Proven Reliability of Wood Studs.
  • Strength - You Could Park a Semi Truck on a 4' x 8' Wall Panel.
  • Highest R-value * Per Inch - Superior Closed Cell Polyurethane Foam.
  • Radiant Barrier - Reflects Heat & Increases Performance.
  • Least Expensive SIP Per R-value Inch on Market.
  • Factory-Direct Sales and Factory-Direct Pricing - No Middle Man.
  • Extremely Lightweight (54lbs - 3-1/2"x4'x8' Panel) - No Costly Cranes Required.
  • Fast and Easy - Uses Standard Framing Practices.
  • No - Expensive Engineering, Special Plans, Special Tools or Special Builders.
  • Conventional Lumber Dimensions - Saves Custom Materials Costs.
  • Exceeds Or Meets All Building Codes - Considered Standard Framing.
  • Do-It-Yourself - DIY Friendly - Any Builder Can Build With RAY-CORE SIPs ™.
  • Perfect Solution for Roof Insulation - Great For New Construction or Retrofit.
  • Problem Free - Unlike the Numerous Problems Associated with Sandwich Panel SIPs.
  • Will Last a Lifetime - Limited Lifetime Warranty!
  • In Business for Over 30 Years - By Far the Best Structural Insulated Panel Available!

Least Expensive Per R-value Inch SIPs Panel on the Market.



* R means resistance to heat flow. The higher the R-value, the greater the insulation power. See RAYCORE SIP Panel Specification Sheet or Fact Sheet

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Factory Direct Sales with Factory Direct Pricing - Serving US, Canada and more…

We will answer the phone. (208) 552-2440

Over 35 Years of Customer Satisfaction

Ready to take your call today.

(208) 552-2440