Excessive moisture caused by poor roof ventilation and attic insulation can deteriorate your entire roofing system from the decking and supports to the underlayment and shingles.
Will insullating your attic damage your roof.
Insulating your loft attic or flat roof is a simple and effective way to reduce heat loss and reduce your heating bills.
According to home advisor insulating your attic can cost between 1700 to 2100.
Additionally insulation serves as a way to enhance sound proofing on the uppermost envelop of your house.
Insulation in the attic is often the first victim when roof leaks occur or when plumbing pipes routed through the attic leak.
When you have quality attic insulation more heat stays in your home through the winter and less radiates down from your attic in the summer.
Proper ventilation is key to protecting your roof and attic space.
Do it right and your roof will not rot.
Materials commonly used for the insulation of the roof deck include.
A quarter of heat is lost through the roof in an uninsulated home.
If your attic is often used or perhaps you plan to convert it in the future you will need to insulate the inner surfaces of the roof.
Ice dams are caused when the heat that escapes from a poorly insulated attic melts snow on the roof that refreezes at the edge of the roof before it drips off.
Easier to heat and cool.
The main factors that impact the cost are.
The 1 question to ask before putting spray foam in your attic.
It creates a breeding ground for mold and mildew and ruins the air trapping pockets that block heat flow.
Loft insulation is effective for at least 40 years and it should pay for itself many times over.
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Whether or not there is an inner roof lining and the total thickness of the roof structure.
Beyond its effect on your roof proper attic insulation can also make your home more comfortable and benefit you in other ways such as.
Image courtesy of the holmes group.
Insulating in and around your roof attic space also prevents long term damage from moisture build up or ice damming which results from the warm air trying to escape through the apex of the roof but instead heating up the snow.
You may also insulate your roof to help regulate the temperature in an attic that is a part of your living space.
Water is insulation s enemy.
Insulating the roof is a priority if the ceilings of your home happen to be part of the roof deck as is the case with cathedral ceilings.
Insulating the pitched roof.
The two most common types of insulation fiberglass batts and blown in cellulose loose fill are vulnerable to attic water damage in two specific ways.
If there is inadequate ventilation or insulation you re looking at plenty of issues with your attic and roof that can range from mould rot ice damming and more.
Beware of roofers in homes with spray foam insulation.
Loss of insulating value.