Building insulation has improved with materials like INSUboard, which offers great thermal performance and moisture resistance. Roof insulation solutions from Supreme Petrochem Ltd cater to the increasing energy demands in India’s residential and commercial spaces.
This blog from Supreme Petrochem looks at INSUboard’s role in modern building insulation. We discuss its properties, applications, benefits, and comparisons, showcasing our expertise as a leading insulation company in India.
Understanding INSUboard: The XPS Powerhouse for Building Insulation
INSUboard is made from extruded polystyrene (XPS) boards designed for excellent building insulation. It features a closed-cell structure that traps blowing agents for long-lasting efficiency. With a thermal conductivity (K-value) of 0.0289 W/m.K, it outperforms traditional materials in heat retention.
Supreme Petrochem uses a unique process involving melting polystyrene resin with eco-friendly agents. This creates rigid, lightweight sheets (over 34 kg/m³ density) that resist compression (over 300 kPa for overdeck grades). This makes INSUboard perfect for tough environments where durability meets energy savings.
Unlike expanded polystyrene, INSUboard’s uniform cells prevent water from entering, keeping R-values stable for decades. As India’s only eco-friendly XPS plant, Supreme meets an important need for a high-performance thermal insulation sheet for roofs.
Why Roof Insulation with INSUboard Transforms Energy Efficiency
Roof insulation can contribute up to 25% of a building’s heat gain in tropical climates like India, where uninsulated roofs lead to excessive air conditioning use. INSUboard’s low K-value helps reduce this by creating a strong barrier, potentially lowering cooling costs by 30-40% according to BEE estimates.
Overdeck installation places INSUboard on top of concrete slabs under new roofing, combining heat resistant sheet properties with ventilation for optimal performance. Underdeck options suspend boards below slabs, making them ideal for retrofits without disturbing occupancy.
Supreme’s different grades offer various compressive strengths, including 500 kPa for roof insulation integrated with flooring, ensuring durability under foot traffic and loads. This positions INSUboard as a top choice for roof insulation material for green certifications.
INSUboard for Wall Insulation: Cavity and External Excellence
External wall insulation (EIFS) with INSUboard attaches boards to facades, creating a breathable finish that resists cracking and weathering. Cavity wall options fit between masonry leaves, taking advantage of 180 kPa strength for slimmer profiles without extra bulk.
In humid areas, INSUboard’s water vapour permeability prevents condensation, unlike foam boards that can trap moisture. This boosts indoor air quality, which is crucial for home insulation in urban high-rises.
Supreme incorporates INSUboard into full EIFS systems optimised for Indian monsoons, with UV-stable coatings. Many blogs overlook coverage gaps in retrofitting. Ease INSUboard can be installed 50% faster than mineral wool.
Floor and Ceiling Applications: Complete Home Insulation
Flooring-grade INSUboard (38+ kg/m³) placed under screeds dampens sound and minimises heat conduction, making it suitable for car parks and slabs. Ceiling panels integrate easily, improving thermal comfort in false ceilings.
For cold storage and hydroponics, INSUboard can perform effectively at -20°C. Supreme’s versatility also extends to reefer trucks, addressing insulation shortages in the logistics industry.
The thermal insulation sheet for the roof also serves as an acoustic underlay, meeting market demand for versatile XPS.
Spotlight on Supreme Petrochem: Pioneers in INSUboard and Insulation Company in India
Supreme Petrochem Ltd operates India’s only eco-friendly XPS plant through INSUboard, producing building insulation without using ozone-depleting agents. As a top insulation company in India, we also lead EPS production, creating INSUtiles for flat roofs and EIFS hybrids.
Our 300,000 TPA capacity ensures reliable supply, with ASTM-compliant grades for overdeck, walls, and floors. Innovations such as ready-to-use tiles help tackle retrofit challenges and reduce emissions, supporting NITI Aayog’s growth forecast for 2047.
Clients appreciate our moisture-proof packaging and custom densities, solidifying Supreme’s edge.
Overdeck vs Underdeck Roof Insulation: Choosing INSUboard Strategies
Overdeck installation positions INSUboard above slabs for maximum R-value, letting heat escape before it conducts, ideal for new builds. Underdeck suspension preserves slab mass for thermal inertia in existing structures.
Compressive strengths vary: overdeck can handle pavers (over 300 kPa), while underdeck prioritises lightness. Supreme’s guides emphasise hybrid strategies for optimal U-values below 0.4 W/m²K.
Benefits of Heat-Resistant Sheet Properties in INSUboard
INSUboard’s closed cells provide 70% more moisture resistance than EPS, ensuring insulation stays effective after flooding. Flame retardants give it a Euroclass B-s1, d0 rating, making it safe for public buildings.
Its lightweight nature (25-40 kg/m³) simplifies handling, cutting labour costs by 30%. Longevity surpasses 50 years based on accelerated ageing tests.
Integrating INSUboard in Green Building Certifications
INSUboard helps earn IGBC/LEED points through 20-30% energy savings. Our roof insulation materials meet ECBC compliance requirements for large commercial buildings.
Supreme’s systems aim to decrease India’s 30% share of building electricity use, according to BEE data.
Installation Best Practices for Building Insulation
Proper surface preparation includes cleaning slabs, using adhesives to secure boards, and taping joints to prevent convection. Mechanical fixings are crucial in high-wind areas.
Supreme’s training programs reduce thermal bridges to maximise return on investment.
Cost Savings and ROI from Home Insulation with INSUboard
The initial investment recovers in 2-4 years with 25-35% savings on bills; payback speeds up in hotter areas. Compared to spray foam, INSUboard saves 20% upfront.
Comparisons: INSUboard vs Traditional Roof Insulation Material
| Property | INSUboard (XPS) | EPS | Mineral Wool |
| K-Value | 0.0289 W/m.K | 0.035 | 0.040 |
| Moisture Resistance | Excellent | Poor | Good |
| Compressive Strength | 180-500 kPa | Low | Medium |
| Installation Speed | Fast | Moderate | Slow |
| Cost/kg | Medium | Low | High |
INSUboard clearly outperforms in terms of performance and cost.
In summary, INSUboard enhances building insulation with unrivalled XPS efficiency for roof insulation and more. Supreme Petrochem’s innovations create sustainable, comfortable spaces. Choose INSUboard for significant energy savings.
Frequently Asked Questions
0.0289 W/m.K, which is excellent for thermal efficiency.
Yes, it can be used through underdeck and INSUtiles for minimal disruption.
It has higher strength and moisture resistance due to its closed-cell XPS structure.
Overdeck requires more than 300 kPa to handle loads effectively.
