Too Much Blown Insulation In Attic

There comes a point where too much insulation starts to have a negative effect financially environmentally and in terms of the longevity of your home.

Too much blown insulation in attic.

If a home is over insulated and is too tightly sealed moisture can get trapped inside. Your attic vents allow warm air to expelled more naturally replacing it with cooler air from outside. Fasten blocking around the hatch or door to allow the material to be installed around this area without escaping. When blown into attics and wall spaces loose fill fiberglass offers an average r 2 5 thermal value per inch the higher the number the greater the insulating effect.

The long term payoff of insulating an attic is impressive too. It is therefore important to allow the entry of fresh air into your attic to prevent the build up of humidity. You d need a thickness of. This calculator is to be used as an estimating tool only.

Without proper ventilation a home can build up too much moisture especially in the attic warm air rises which can cause mold problems and overall lower indoor air quality. Fortunately insulation fixation is a monkey not many people have on their backs. The point of diminishing returns. Input length width and desired r value of the area to be insulated.

To make it easy to eyeball how level the material is as you blow it in screw depth guides to joists throughout the space. However there can be a downside if your insulation material is blocking your vents. 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. But saving 1 000 or more with blown in ceiling insulation will make up for your aching back.

The previous owners had too much insulation blown in. The wood sheathing on your roof under your shingles can rot or become dry and brittle. Make sure the fill s depth is uniform across the attic. It s the type that looks like cotton pieces.

You could see your energy bills go down by as much as 15 to 25 percent depending on your climate and existing levels of insulation. Inspecting your attic insulation first things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. There is no airflow and need to remove a large chunk of it. There is approx 8 12 thick covering the main portion of the attic while it s even deeper at the outer edges where the soffit vents are.

So yes it is possible to over insulate your house.