Sectional Garage Doors
Thermally insulated sectional garage doors with expanded polystyrene (EPS) core panels — combining security, aesthetics, and energy performance for residential, commercial, and industrial applications.
Engineered for the job it protects.
Insutech's EPS-cored Sectional Garage Door panels provide the thermal insulation core within sectional overhead door systems for residential garages, commercial premises, and industrial facilities. The EPS core dramatically improves the thermal performance of the door panel, reducing heat loss through the garage door opening, preventing condensation on internal panel surfaces, and contributing to the energy efficiency of attached or integral garage spaces.
Sectional garage doors with EPS insulation cores are increasingly preferred for both residential and commercial applications due to the significant improvements in thermal comfort, energy performance, and acoustic insulation compared to uninsulated single-skin doors. Insutech supplies precision-cut and moulded EPS panel inserts to door manufacturers across the region, providing consistent quality for high-volume door production.
- Significant thermal improvement over uninsulated single-skin garage door panels
- Prevents condensation on interior door surfaces in attached garage spaces
- EPS core improves acoustic insulation — reduces external noise transmission
- Lightweight EPS core adds insulation performance without significantly increasing door weight
- Dimensionally precise EPS inserts fit panel channels exactly — no gaps or cold bridges
- Moisture-resistant EPS core does not absorb rainwater or condensation
- Compatible with all standard sectional door panel profiles and widths
- Available in all thicknesses and densities to meet panel design requirements
Significant Thermal Performance Improvement
EPS core inserts dramatically improve the U-value of sectional garage door panels — transforming a single-skin door from a significant source of heat loss into an effectively insulated building element that contributes to overall building energy performance.
Condensation Prevention
EPS insulation raises the internal surface temperature of the door panel above the dew point — preventing the condensation that occurs on cold uninsulated door surfaces in heated or humidity-controlled garage environments.
Acoustic Improvement
EPS-cored door panels provide meaningful acoustic insulation compared to hollow-panel equivalents — reducing external traffic noise, wind noise, and other ambient sounds that pass through uninsulated door panels into attached living spaces.
Precision Dimensional Fit
Insutech EPS inserts are cut to precise tolerances matching the exact cavity dimensions of each door panel profile — ensuring a gap-free fit that eliminates thermal bridging pathways and maintains maximum insulation effectiveness.
Lightweight Insulation Addition
EPS core inserts add meaningful thermal performance with minimal weight addition — an important consideration for door balance, spring specification, and opening mechanism capacity in sectional door system design.
Long-Term Performance Stability
EPS foam does not absorb moisture, does not settle or compress under door panel assembly loads, and maintains its thermal conductivity and dimensional performance across decades of garage door service life.
Technical Specifications
| Specification | Standard Value / Range | Notes |
|---|---|---|
| Material | Expanded Polystyrene (EPS) | Closed-cell, moisture-resistant EPS |
| Density | 15 – 30 kg/m³ (customizable) | Optimised per door panel design |
| Thermal Conductivity | 0.033 – 0.038 W/m·K | Consistent across panel area |
| Core Thickness | 40 – 80+ mm (customizable) | Per door panel cavity depth |
| Dimensional Tolerance | ±0.5 mm (standard) | Precision fit to panel channel |
| Water Absorption | < 1% by volume | Resistant to rain and condensation exposure |
| Compressive Strength | 80 – 150 kPa | Handles door panel assembly forces |
| Colour | White (standard) | Consistent across production batches |
| MOQ | On request | Contact us for volume pricing |
*Insutech reserves the right to modify product specifications, descriptions, and technical information at any time without prior notice.
Residential Garage Doors
EPS core insulation improving thermal comfort and energy performance of attached and integral residential garages
Commercial Premises
Insulated sectional doors for showrooms, workshops, retail units, and commercial premises
Industrial Facilities & Warehouses
High-performance EPS-insulated industrial door panels for temperature-sensitive warehouse and factory environments
Agricultural Buildings
Insulated garage and storage door panels for agricultural buildings requiring temperature management
OEM Door Manufacturing Supply
Bulk supply of precision-cut EPS panel inserts to sectional garage door manufacturers
All of Insutech's EPS foam products — including Sectional Garage Doors — can be fully customized to fit any product, size, or application. We manufacture EPS in all densities and dimensions you might require.
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