- How dangerous is insulation?
- What is the best type of attic insulation?
- Should I insulate between floor joists?
- What happens if you have too much loft insulation?
- Can you put too much insulation in your attic?
- Does insulation really make difference?
- How much heat is lost through the floor?
- What is the best way to insulate under a wooden floor?
- Should I remove old attic insulation before adding new?
- How much better is r38 vs r30 insulation?
- Is it worth insulating under floor?
- What type of insulation is best for floors?
- Does underfloor insulation cause damp?
How dangerous is insulation?
Dangers from Exposed Insulation Skin irritation – Fiberglass is a skin irritant.
Even if you are not touching the insulation, it can send particles into the air that can irritate the skin.
Lung irritation – Even more concerning, fiberglass, if breathed, will irritate the lungs, creating serious respiratory risks..
What is the best type of attic insulation?
Loose-fill fiberglass attic insulation still experiences convection, but not nearly as much as old fiberglass used to. If you check with the North American Insulation Manufacturers Association, they’ll assure you that fiberglass or mineral wool is definitely your best choice for attic insulation.
Should I insulate between floor joists?
In unfinished attic spaces, insulate between and over the floor joists to seal off living spaces below. If the air distribution is in the attic space, then consider insulating the rafters to move the distribution into the conditioned space.
What happens if you have too much loft insulation?
The risk of ‘too much’ insulation in the loft is condensation within the insulation itself making it wet with resulting loss in effectiveness and possible staining/timber decay.
Can you put too much insulation in your attic?
There’s really no such thing as “too much insulation.” It is more likely that your attic is not ventilating properly, resulting in warmer air on the 2nd floor and an overheated attic.
Does insulation really make difference?
Does insulation really make a difference? The obvious answer is yes! … Having an insulating product installed will reduce the need to cool or heat your home. When you don’t change the temperature of your home as often, you use drastically less electricity.
How much heat is lost through the floor?
You can lose as much as 10% of heat through uninsulated floors. There are a number of ways of solving this problem, including insulating blankets under suspended floors and laying boards over concrete floors.
What is the best way to insulate under a wooden floor?
Answer: Ideally a fibrous insulation such as mineral wool or sheep’s wool performs best between timber because it will take up thermal movement and cut down air movement around the insulation. ‘Thermal bypass’ affects performance, so cutting out draughts is preferable.
Should I remove old attic insulation before adding new?
According to ENERGY STAR®, you can put new insulation over old insulation, “unless it is wet. … “Faced” insulation should not be placed on top of existing insulation in the attic. Any new roll or batt insulation installed over existing insulation in the attic needs to be without a vapor retarder (face).
How much better is r38 vs r30 insulation?
Example: R38 has a U of 1/R or 1/38=. 026 and R30 has a U of 1/30=. 033. So R38 is about 20% better.
Is it worth insulating under floor?
So the simple answer is Yes – it is worth insulating under the floor boards. … Care must be taken to ensure that any air bricks are not covered with the insulation. The air bricks are there to ensure a good circulation of air over the joists to prevent rot.
What type of insulation is best for floors?
Fiberglass insulationInsulate Under Floor: Fiberglass insulation batts or rolls are the most economical and easiest DIY choice for insulating between the floor joist in a crawl space. The U.S. Department of Energy recommends R-11 (3½”) insulation under floors in warm climates and an R-25 (6” to 8”) in cold climates.
Does underfloor insulation cause damp?
Underfloor insulation does not cause condensation. However, if you are installing insulation into your underfloor area you must have adequate ventilation. Without appropriate ventilation the air becomes stagnant and moisture trapped, which can lead to dampness and mould growth.