Spectrally Selective Roofing

In one sense white building products are already spectrally selective in.

Spectrally selective roofing.

Spectral distribution of solar radiation. 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. 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. Heat stress in hot summer brings serious thermal diseases thus adversely influencing the economy and human health of the entire society.

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. Tests indi cate that the colors will sharply reduce solar heat gain through the roof. 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. Sealed roofs ventilation systems o integrated power roofs pv solar thermal control etc.

Night sky cooling potential o cool night sky. Spectrally selective surfaces can reduce the solar absorptance for a given roof colour. Spectrally selective glazing is high performance glazing that admits as much daylight as possible while preventing transmission of as much solar heat as possible. Roof colour and glare.

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. 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. Spectrally selective roofing materials o innovative roofing systems e g. 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.

Spectrally selective glazing significantly reduces building energy consumption by controlling solar heat gains in summer preventing loss of interior heat in winter and allowing occupants to reduce electric lighting use by making.