Spectrally Selective Roofing

The implication is that a spectrally selective roof system which is primarily reflective in the nir and or uv portions of the spectrum will automatically compromise performance relative to a high uniform reflectance.

Spectrally selective roofing.

Tests indi cate that the colors will sharply reduce solar heat gain through the roof. Kynar roof coatings using spectrally selective pigments from ferro corporation allow classic roofs to produce aluminum and steel shingles in several dark colors that meet energy star minimums with solar reflectances better than white asphalt shingles. Sealed roofs ventilation systems o integrated power roofs pv solar thermal control etc. Night sky cooling potential o cool night sky.

Spectral distribution of solar radiation. Heat stress in hot summer brings serious thermal diseases thus adversely influencing the economy and human health of the entire society. Spectrally selective window glazing is a suitable addition for both warm and cool climates. Spectrally selective surfaces can reduce the solar absorptance for a given roof colour.

Spectrally selective roofing materials o innovative roofing systems e g. Roofing manufacturers have been advised to provide a solar absorptance value for the colour you choose to enable certifier to match it against the range specified in the commitments on the basix certificate. That s why armstrong replacement windows feature high performance spectrally selective glass to allow natural light into your home while protecting it from harmful uv rays. A low e window glass replacement with spectrally selective coatings filter out up to 70 of the normal amount of heat while still allowing plenty of light into your home.

In one sense white building products are already spectrally selective in. Additionally homeowners often appreciate the virtually clear appearance of the window glazing as it allows for greater daylight and brighter more open views to the outside. Roof colour and glare. At armstrong we have always aimed to provide our clients with the best and latest technology to protect their homes as well as the environment.

A window glass replacement with spectrally selective coatings is especially beneficial for homeowners living in warmer climates because they help keep the home cool without.