The 40mm Expanded Polystyrene EPS150 Jablite Jabfloor Insulation Board provides an affordable, robust, and thermally effective option that's straightforward to cut and fit. This adaptable EPS insulation board works brilliantly for insulating floors, walls, and roofs.
Delivering consistent thermal performance across varying temperatures, Expanded Polystyrene EPS 150 at 40mm thickness functions as a dependable and enduring insulation material throughout a building's lifespan. Its moisture-resistant, rot-proof, and non-toxic characteristics make it appropriate for many uses, whilst its 40mm x 1200mm x 2400mm dimensions offer excellent flexibility.
40mm Jablite EPS Polystyrene comes in sheets or blocks with grades spanning EPS70 through to EPS500 and EPS E, all featuring flame-retardant additives for enhanced safety. Jablite EPS150 and EPS150 particularly impress with outstanding thermal insulation capabilities, offering thermal conductivity ratings of 0.032 and 0.031 W/mk respectively.
This lightweight, cellular closed-cell plastic substance integrates seamlessly with most construction materials, delivering outstanding versatility across diverse insulation applications. 40mm Jablite jabfloor insulation board is both CFC and HCFC-free, plus entirely recyclable for environmental responsibility.
Brand: Jablite / BEWI ®
Model: 40mm EPS 150
Thickness: 40mm
Length: 2400mm
Width: 1200mm
Board coverage: 2.88m2
Pack Quantity: 15
Pack coverage: 43.20m2
Dimensions: 2,400mm x 1,200mm x 40mm
R-Value: 0.68m2K/W
Thermal Conductivity: 0.035 W/mK
Compressive Strength: 150kPa
Density: 25kg/m3
Colour: White with grey dots
Material: Expanded Polystyrene - EPS insulation
Edging: Square Edge
Applications: Flooring ǀ Walls ǀ Construction
Features: Versatile EPS ǀ Polystyrene Board
Manufacturer: 40mm BEWI Jabfloor EPS®
Perfect for placement above a concrete slab or precast concrete floor in domestic ground-floor builds, the 40mm eps insulation can be topped with a chipboard wearing layer to satisfy Building Regulations' U-value criteria. For best results and durability, store the material in a covered location, shielded from direct sun exposure and ground moisture.
40mm Jabfloor is a floor insulation board that meets the required U-value and compressive performance across various floor applications:
40mm EPS 150 Jablite is engineered for simple handling and cutting without requiring specialist equipment. It represents a budget-friendly and practical solution for insulation across numerous construction applications.
Browse our BEWI range and filter by thickness or coverage using the options on the left. Want to discuss product suitability for your project or request a bulk discount quote? Get in touch by phone on +4402038839057, email sales@insulationbee.co.uk or use Live Chat - Competitive UK Jabfloor Board Pricing.








