MAXEdge
Specialised thermal bridge elimination solution for concrete slab edges,
providing essential structural strength and thermal protection.
High-Performance Slab Edge
Insulation System
MAXEdge is EXPOL's premium L-shaped perimeter insulation system, designed for in-situ concrete slab edge applications. Available pre-coated with a durable waterproof resin finish or uncoated for post-application finishing, MAXEdge delivers flexibility for a wide range of residential and commercial foundation designs.
Engineered to meet current Building Code H1 Energy Efficiency requirements, MAXEdge provides reliable long-term performance, simplifies installation, and enhances the overall thermal efficiency and durability of the building envelope.
Key Features & Benefits
Why Choose MAXEdge?
Durable, Long-Term Performance
High-quality EPS core and optional resin coating ensure MAXEdge retains its structural and thermal performance for the life of the building.
Design Versatility
Multiple heights, bespoke profiles, and compatibility with a variety of slab designs give specifiers flexibility across residential and commercial projects.
Quick Installation
Easy placement with no special tools required, ensuring perfect fit and professional finish.
MAXEdge Specifications & Sizes
Pre-made L-shaped slab edge insulation, supplied in 2.4 m lengths with matching 600 x 600 mm pre-made corners. Available uncoated, or pre-coated with a water-based waterproof resin that needs no painting.
| Specification | Detail |
|---|---|
| Material | EPS (expanded polystyrene) slab edge insulation |
| Profile | Pre-made L shape perimeter insulation, fits inside the formwork |
| Standard length | 2.4 m |
| Pre-made corners | 600 x 600 mm |
| Standard heights | 305, 320, 340, 385, 400 and 420 mm — bespoke heights available |
| Finish options | Pre-coated with water-based waterproof resin (no painting required), or clean uncoated (plastered after the concrete pour) |
| Frame compatibility | Suitable with any frame size |
| Compliance | Designed to meet and exceed NZ Building Code H1 slab edge requirements |
| Recyclability | Clean, uncoated MAXEdge offcuts are 100% recyclable |
Construction R-Values by Area / Perimeter Ratio
Construction R-values for MAXEdge across common area to perimeter ratios, for both standard and brick-clad wall build-ups.
| Product | 1.6 | 1.8 | 2 | 2.2 | 2.4 | 2.6 | 2.8 | 3 | 3.6 | 4 |
|---|---|---|---|---|---|---|---|---|---|---|
| MAXEdge 305 / 320 | R 1.46 | R 1.54 | R 1.62 | R 1.70 | R 1.77 | R 1.85 | R 1.92 | R 2.00 | R 2.21 | R 2.36 |
| MAXEdge 385 / 400 | R 1.52 | R 1.62 | R 1.72 | R 1.80 | R 1.88 | R 1.96 | R 2.03 | R 2.11 | R 2.33 | R 2.48 |
| MAXEdge 305 / 320 Brick | R 1.30 | R 1.39 | R 1.47 | R 1.55 | R 1.62 | R 1.70 | R 1.78 | R 1.85 | R 2.06 | R 2.21 |
| MAXEdge 385 / 400 Brick | R 1.34 | R 1.43 | R 1.53 | R 1.60 | R 1.68 | R 1.76 | R 1.84 | R 1.92 | R 2.14 | R 2.28 |
Values shown are construction R-values. For project-specific design, contact the EXPOL Tech Team or download the MAXEdge brochure above.
Learn more about specific applications
Click a solution below to view installation guides and full system details
