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Heat-Block Coatings

Stop Solar Heat at the Surface

Heat-Block Coatings

The Physics

Solar energy reaches a surface as three things: ultraviolet, visible light, and infrared. Traditional paint typically blocks some visible light (depending on color) and very little of the other two. A ceramic heat-block coating uses engineered ceramic compounds to block all three — so the energy never enters the structure.

Super Therm® uses four ceramic compounds; Sunshield® uses a similar (consumer-tier) ceramic blend.

Performance by Spectrum

PropertyValue
WavelengthSuper Therm® Block
Ultraviolet97%
Visible light92.2%
Infrared99% (367 BTU → 3.99 BTU)
Total solar radiation96.1%
Total heat load99.5%

Recommended Products

Super Therm®— flagship industrial heat block (99.5%, 30+ year life)

Sunshield®— consumer-grade (~85%, ~10-year life)

Where Heat-Block Coatings Belong

What Heat-Block Coatings Don’t Do

Heat-block coatings work on the exterior of a structure, blocking incoming radiant heat. They do not generate or contain heat that is already inside (for that, see Heat Management). They are not measured in R-value — they don’t slow conductive heat through an assembly; they prevent it from entering.

 

Internal links: → Super Therm® · Sunshield® · Heat Management · Live Hot Pipe Coatings · Energy Saving Coatings · Roofing