R value measures how resistant types of insulation are to heat flow.
Attic roof insulation options.
The experts at dr.
She has an annual heating bill of 1 600.
If you are thinking about insulating your attic there are several options.
Insulation derives its resistance to thermal transfer its r value through the presence of dead air space so compressing the insulation will actually reduce its r value.
If you re finishing your attic insulating it to the proper r value can cause a dramatic loss of headroom if you limit yourself to fiberglass batts.
For diy attic insulation you ve got two choices.
Can you use foam board in the attic.
Energy saver are experienced in installing all types of attic roof insulation as well as duct encapsulation and insulation.
Attic insulation using fiberglass mary has a four bedroom detached house 150m2 in size.
Hot air exhaust vents located at the peak of the roof allow hot air to escape.
Both can be added to uninsulated attics or layered over existing material.
Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic.
Loose fill or batt the common term for blanket insulation.
So it s time to pay close attention to what s happening up there.
With attic roof insulation you ll also get better performance from ductwork located in your attic.
The trendy one is spray in foam but that can be costly and is not a diy project.
My husband and i have been thinking about insulating our attic but we didn t know what kind to get.
Attic floors are often heavily insulated and if the existing insulation extends well above the floor joists laying down floor sheathing over the insulation will compress it.
Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.
Mary previously had 100mm of fibreglass insulation in her attic but decided to upgrade the insulation in her attic to the required 300mm following consultation with the seai and various contractors.
Spray foam sounds like a really interesting option.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
1 thought on roof attic insulation options costs and pros cons debbie pearl december 19 2017 at.
To meet all three goals insulating your finished attic ventilating the roof and maximizing headroom use a combination of dense batt insulation rigid foam sheeting.
If you re looking to upgrade your insulation give us a call or click below.
Insulation is rated by its r value.
R values vary based on the type thickness and density of the insulation material.