Green Or Reflectiev Roofs

Reflective surfaces can deliver high solar reflectance the ability to reflect the visible infrared and ultraviolet wavelengths of the sun reducing heat transfer to the surface and high thermal emittance the ability to radiate absorbed or non reflected solar energy.

Green or reflectiev roofs.

White is the most reflective color and white metal roofing can actually lower the ambient temperature in the home by reflecting more of the sun s rays into the environment. Metal roofs one of the most popular roofing materials used today can achieve a solar reflectance of over 70 allowing buildings to remain much cooler and lowering their energy costs. Still cool neutrals such as medium and muted green. The initial expense of green rooftops often turns away prospective clients.

White or reflective roofs have been in use for the past 15 years. A smooth roof reflects more light than a bumpy roof. Reflective surfaces are a form of geoengineering. But even that treatment doesn t solve all the problems.

Commonly referred to as cool roofing it has received a stamp of approval from the state of california which has adopted its use in its building codes. The primary reasons for using this type of roof include managing storm water and enjoying a rooftop open space. It has become a leed leadership in energy and environmental design standard of the u s. Green building council and has been mandated by government officials in chicago.

Green roofs are ideal for urban buildings with flat or shallow pit roofs and can include anything from basic plant cover to a garden. Green roofs are another way to turn your roof into a cool roof and lower the heat island effect and can also promote biodiversity for the surrounding environment. When selecting a roof there are many different options for roofing contractors including thermoplastic epdm metal shingles greens roofs and more. Find reflective roof coatings at lowe s today.

Cool roof reflective coatings. Because green roofs require professional design careful structural analysis and multiple layers and systems even extensive green roofs usually start at 8 per square foot significantly more expensive than the 1 25 per square foot for built up roofs burs source. While each of these possesses its own advantages and disadvantages cool roofs and green roofs present facility owners with great options. Metal is also extremely durable and weather resistant lightweight and 100 recyclable at the end of its useful life.

To improve the green qualities of these roofs consumers can request that they be treated with reflective pigments. Green roofs also provide insulation lower the need for heating and cooling and can reduce the. Still the shine of bright white on a roof is imposing and can take away from the overall aesthetic of the house.