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Landscape & Design

By Jonathan Hendy • June 28, 2017

Understanding SRI: It's Getting Hot in Here

Techo-Bloc

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Quick and simple, Solar Reflectance Index (SRI) measures a surface’s ability to reject solar heat.Diagram_1_-_SR_and_TE

It is a composite measure of a surface’s solar reflectance (how well a surface reflects) and emittance (releases) absorbed solar radiation.

But what does that mean in the real world?
The lower the SRI, the hotter a material is likely to become in the sunlight: Think running barefoot on burning coals…get the picture?

Oprah

What to remember in all of this?
Dark colors = Low SRI= Traps heat
Light colors= High SRI= Reflects heat

Key takeaway?

While dark colors are super trendy in outdoor design right now, they are a better fit for decorative bandings or on surfaces where people don’t walk barefoot. For pool decks, patios & other places people are likely to walk barefoot, stick with light-colored materials with high SRI values.

For SRI details in regards to Techo-Bloc products, please press here.

 

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