March 2014

Apakah Kaca Low-E itu?

Kaca rendah emisivitas (Low-E) memiliki lapisan transparan yang bertindak sebagai cermin termal dan digunakan untuk meningkatkan nilai isolasi sebuah jendela, menghalangi atau meningkatkan aliran panas, dan mengurangi pemudaran. Lapisan ini jernih dan tidak berwarna. Pencarian terhadap kaca yang mengisolasi namun yang memungkinkan cahaya mengalir melewatinya dimulai pada akhir 1950-an dengan adanya perkembangan kaca pengontrol cahaya matahari dengan merek dagang “Stopray”. […]

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High Infra Red Rejection is NOT High Solar or Heat Reflectance

Two of the most marketed films today are Infra-Red absorbing dye films (sometimes referred too as simply ‘IR Films’) and ceramic window films. Most IR absorbing dye films use “organic” dye that absorbs “near-infrared” radiation at specific wavelengths. It is not uncommon to see advertisements that will claim 93, 97, and even 99% IR rejection! It seems like impressive figures that […]

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How do I know when a building product is really green?

‘Green’ makes an eye-catching label for all sorts of products. It’s a bandwagon every marketing company in the world would like to climb on. Notice the ‘go green’ billboard popping up on every street corners? Green is that happening. Confronted with this advertising claim, what we should be asking is, “OK, what makes it green?” Here are a few issues to […]

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