Too Much Blown Insulation In Attic

However there can be a downside if your insulation material is blocking your vents.

Too much blown insulation in attic.

So yes it is possible to over insulate your house. 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. It is therefore important to allow the entry of fresh air into your attic to prevent the build up of humidity. There is no airflow and need to remove a large chunk of it.

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. 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. It s the type that looks like cotton pieces. Fasten blocking around the hatch or door to allow the material to be installed around this area without escaping.

This calculator is to be used as an estimating tool only. 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. The long term payoff of insulating an attic is impressive too. Fortunately insulation fixation is a monkey not many people have on their backs.

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

Poor ventilation can also wear down your roof prematurely causing shingles to blister due to too much of a heat build up in the attic. Too much insulation is not a problem. The point of diminishing returns. You d need a thickness of.

Your attic vents allow warm air to expelled more naturally replacing it with cooler air from outside. Input length width and desired r value of the area to be insulated. 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.

The previous owners had too much insulation blown in.