Most Efficient Roof Insulation

Insulation level are specified by r value.

Most efficient roof insulation. R value is a measure of insulation s ability to resist heat traveling through it. Most federal tax credits for weatherizing your house and boosting its energy efficiency expired in 2011. Installing high r value insulation in your attic will create a barrier to prevent the heat or cold from escaping thus making your home more energy efficient. This is known as the albedo effect and many studies have documented significant energy savings from simply lightening the color of a roof.

This eliminates thermal bridging which is the energy lost through wall studs. Attics generally require an r value of r 35 to r 45. When comparing types of insulation you should remember that they re measured in terms of their resistance to heat flow indicated by r value choosing the right insulation type can vary depending on your needs and your desire to be green. Firm boards of either synthetic or natural materials this is the best solution for insulating the underside of your roof.

If you re wondering what the most efficient roof insulation material is you re not alone. See a state by state directory of such programs here. But your state s energy office or local utility may offer product rebates discounts or other financial incentives for insulating. Green roofs also provide insulation lower the need for heating and cooling and can reduce the urban heat island effect.

So fitting insulation in your loft attic or roof space is a great way to improve your home s cosiness factor. How much to buy. The boards provide highly effective insulation for your loft space and can also be decorated over. What s the most efficient roof insulation material.

The higher the r value the better the thermal performance of the insulation. By benoit gustave 1 month ago no comment. This will be the most heavily insulated part of. 1 cool your roof cool roofs are lighter in color than traditional black asphalt or dark wood shingles and save energy by reflecting light and heat away rather than absorbing them.

The studs conduct more heat than the insulation between them. Measure your attic s square footage. And there s even more good news. There are many factors to consider and every one of them can make a difference in how much money you spend.

Consider using spray foam insulation as well to seal smaller cracks and gaps. The panels provide a continuous energy efficient surface. Share on facebook share on twitter. This roof type can be much more expensive to implement than other efficient roof options so you should carefully assess your property and consult a professional before deciding to install a green roof.

You ll also need to prevent hot air from leaking out of the attic through unsealed cracks roof vents windows or chimneys. The downside is that sheet insulation tends to be the most expensive type. The table below shows what levels of insulation are cost effective for different climates and locations in the home.