Kingspan Kooltherm K3 Floorboard Insulation

This product is order in only, and sold in entire packs. Individual boards not available. Typically it takes around 7 days. 

High Performance Floor Insulation Board – Perth WA

The Kingspan Kooltherm K3 Floorboard is a high-performance rigid phenolic insulation board designed specifically for floor applications, including under slab and suspended floor systems.

It delivers excellent thermal performance with minimal thickness, making it ideal for residential and commercial builds where floor height and energy efficiency are critical.

For projects requiring floor insulation in Perth, K3 Floorboard is a reliable solution for improving thermal performance without increasing slab or floor build-up.

Available Sizes and Pack Pricing

All products are sold as full packs only.

(Strictly based on your supplier sheet)

• 25mm R1.1 – 2400 x 1200mm – 12 Pack

• 50mm R2.3 – 2400 x 1200mm – 6 Pack

Why Choose K3 Floorboard

Designed specifically for floor and slab insulation

High compressive strength suitable for load-bearing applications

Excellent thermal performance with minimal thickness

Ideal for under slab and suspended floor systems

Moisture resistant and durable

Suitable for residential and commercial projects

Applications

The Kingspan Kooltherm K3 Floorboard is commonly used for:

Under slab insulation

Concrete floor systems

Suspended floors

Residential homes

Commercial buildings