Insulation On Attic Roof

Your attic should have a certain amount of insulation in it and the recommended level of insulation for your attic is dependent on where you live.

Insulation on attic roof.

That means insulating the attic floor only not the walls and having vents in the roof. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. Insulation level are specified by r value. Look for water stains on the roof sheathing or damp or moldy spots on attic joists and existing insulation as a clue to where leaks might be.

Box out light fixtures. Whether or not there is an inner roof lining and the total thickness of the roof structure. New rules and practical interpretation. The higher the r value the better the thermal performance of the insulation.

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. The technically correct approach depends on a number of factors. Insulation ratings can be improved by adding more layers of insulation. Water is insulation s enemy.

How to insulate a finished attic. On the attic floor or beneath the attic roof. Insulating your loft attic or flat roof is a simple and effective way to reduce heat loss and reduce your heating bills. It creates a breeding ground for mold and mildew and ruins the air trapping pockets that block heat flow.

Inspecting your attic insulation. You can mix the type and material of insulation too. Make sure your home is properly insulated in all these locations. Attic insulation plays a critical role any home s overall comfort and energy efficiency.

It can be installed in one of two places. The ideal attic insulation r value is different than the ideal wall insulation r value. With a finished attic insulation must help keep the attic areas comfortable. Loft insulation is effective for at least 40 years and it should pay for itself many times over.

Installing attic roof insulation instead of attic floor insulation has several benefits. 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. It is important to note when insulation is on the floor of the attic the space between the insulation and the roof deck must be vented to the exterior. A finished attic should be insulated much like the rest of the house with insulation in the walls and ceiling.

R value is a measure of insulation s ability to resist heat traveling through it. Additionally insulation serves as a way to enhance sound proofing on the uppermost envelop of your house. Insulation on the floor of the attic figure 1. Achieving greater r values in attics.