ThermaCork - Standard Grade - 1" (R4)

ThermaCork - Standard Grade - 1" (R4)ThermaCork 1" Standard Grade Insulation ThermaCork Standard Grade is a versatile rigid cork board designed for walls, floors, and roofs in both residential and commercial projects. Produced from renewable cork oak bark, it delivers reliable thermal performance, acoustic dampening, and natural resistance to mold, pests, and fire all without synthetic additives. Lightweight yet durable, Standard Grade offers long lasting comfort and efficiency while

ThermaCork – 1" Standard Grade Insulation

ThermaCork Standard Grade is a versatile rigid cork board designed for walls, floors, and roofs in both residential and commercial projects. Produced from renewable cork oak bark, it delivers reliable thermal performance, acoustic dampening, and natural resistance to mold, pests, and fire- all without synthetic additives. Lightweight yet durable, Standard Grade offers long-lasting comfort and efficiency while supporting healthy, sustainable building practices.

Key Benefits:

• Excellent thermal insulation and sound absorption
• 100% natural, renewable, and recyclable material
• Durable, lightweight, and easy to handle
• Naturally resistant to mold, pests, and fire
• VOC-free and safe for indoor environments

Applications:

• Interior and exterior walls (behind cladding/finishes)
• Floors and ceilings
• Roof insulation
• Note: Standard Grade is for insulation only, it is not intended to serve as a final façade finish.

Specifications (1" Standard Grade):

• Part Number: TC 25-12
• Panel Dimensions: 39" × 19" × 1"
• Boards per Package: 12
• Coverage per Package: 64 sq. ft.
• Edge Detail: Square
• Fire Classification: Class B
• R-Value: R4

All ThermaCork products are made from the same natural cork material, so they’re safe, sustainable, and suitable for nearly any creative application you can dream up. The difference lies in how each grade is best used:

• Standard Grade: Insulation only.
• Facade Grade: Insulation and a durable finish for interior or exterior facades.
• Decorative Grade: Insulation and a finish surface for interior applications.

Think of them as three variations on the same theme—choose the grade that best matches your project for the longest-lasting results.

Want to discuss an upcoming project? Give us a call: (855) 367-7442

Want to show off a finished (or in progress) project? We’d love to see it! Send your photos to [email protected]