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.

The most well known type of reflective surface is the cool roof. 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. Find reflective roof coatings at lowe s today. The primary reasons for using this type of roof include managing storm water and enjoying a rooftop open space.

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. Cool roofs reflect sunlight and heat back into the atmosphere while green roofs help absorb the sunlight. White or reflective roofs have been in use for the past 15 years. A smooth roof reflects more light than a bumpy roof.

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. While each of these possesses its own advantages and disadvantages cool roofs and green roofs present facility owners with great options. The initial expense of green rooftops often turns away prospective clients. It has become a leed leadership in energy and environmental design standard of the u s.

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. But even that treatment doesn t solve all the problems. Cool roof reflective coatings. Reflective surfaces are a form of geoengineering.

Green building council and has been mandated by government officials in chicago. Metal is also extremely durable and weather resistant lightweight and 100 recyclable at the end of its useful life. A green roof is an ideal way to earn leed credits because it can be something your occupants can take advantage of and use. Still cool neutrals such as medium and muted green.

Green roofs are ideal for urban buildings with flat or shallow pit roofs and can include anything from basic plant cover to a garden. Still the shine of bright white on a roof is imposing and can take away from the overall aesthetic of the house. 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.