Description
CoolTop – High-Performance Reflective Roof Coating for Energy Efficiency
Sustainable, Energy-Saving Protection for Roofs
CoolTop is a white, high-reflectivity, two-component roof coating designed to reduce heat absorption on building roofs. Traditional dark roofing surfaces retain solar heat, increasing internal temperatures and placing additional load on cooling systems.
By reflecting solar radiation, CoolTop forms an effective thermal barrier that helps reduce heat build-up within the roof structure. This reduction in thermal load can improve energy efficiency, lower cooling demand and help extend the service life of roofing systems and rooftop equipment.
Key Benefits
- Reduces roof temperature: can lower internal temperatures by up to 10°C.
- Improves energy efficiency: potential energy savings of 20–50%.
- Protects building structures: reduces thermal expansion and heat-related wear.
- Extends waterproofing lifespan: helps prevent heat-induced degradation.
- Supports rooftop equipment: improves operating conditions for HVAC and solar panels.
- Wide substrate compatibility: suitable for asphalt, polyurethane membranes, metal, plastic, tiles, slate and similar roof surfaces.
- Urban heat island mitigation: contributes to lower surface temperatures when applied at scale.
- Resistant to algae & mould: maintains a cleaner, low-maintenance surface.
Technical Properties
- Solar reflectance: 0.84
- Thermal emissivity: 0.87
- Solar Reflectance Index (SRI): 105
- UV & standing water resistance: suitable for exposed roof environments
- Protective film: forms a flexible, continuous coating
Application Overview
- Surface preparation: clean, repair and prime the surface using UltraPrime CT to ensure optimal adhesion.
- Application: apply CoolTop using a roller or airless spray equipment.
- Coverage: approximately 25 m² per application.
UltraPrime CT – Recommended Primer
UltraPrime CT is a low-viscosity, two-component, 100% solids epoxy primer developed to enhance adhesion and performance in CoolTop roof coating systems.
CoolTop offers a sustainable roofing solution that helps reduce structural heat build-up while improving energy efficiency and long-term roof performance.
Quick FAQs
What is CoolTop used for?
CoolTop is used as a reflective roof coating to reduce heat absorption, improve energy efficiency and protect roof surfaces exposed to sunlight.
Does CoolTop replace waterproofing membranes?
No. CoolTop is a roof coating designed to improve thermal performance. It should be used as part of a correctly designed roofing or waterproofing system.
Is a primer required?
Yes. For best performance, surfaces should be primed with UltraPrime CT before applying CoolTop.
Which roof types is CoolTop suitable for?
CoolTop is suitable for a wide range of roof substrates including asphalt, polyurethane membranes, metal, tiles and slate, subject to correct preparation.
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