Best Type Of Attic Insulation Ireland

R values vary based on the type thickness and density of the insulation material.

Best type of attic insulation ireland.

Each type of insulation has a different insulation value or u value the lower the u value the better the insulating material. If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary. Modern technology of blanket insulation today is considered the best insulation for attic. Houses with pitched roofs and an empty attic space can be insulated with special quilted blankets layered in opposite directions.

Loose fill or batt the common term for blanket insulation. 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. There are different types of insulation that you can use in your roofing. R value measures how resistant types of insulation are to heat flow.

Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold. Typical insulation in an attic should be more than 20 30cm thick unless you are using more advanced thinner materials. In general an attic s r value should be between r 30 and r 49. Among commonly used types of insulation there are mineral wool or fiberglass rolls and batts rigid fiberglass board loose fill materials cellulose mineral wool etc.

Both can be added to uninsulated attics or layered over existing material. It comes in many different materials such as rock wool fiberglass and cotton bats and each with it s own strengths and weaknesses. This is the most common type of insulation found in ireland and you can get it cheaply from most diy shops in rolls. She has an annual heating bill of 1 600.

Insulation is rated by its r value. Rolls and batts are produced of mineral wool and fiberglass. The big disadvantage with spray foam is cost. Your home s r value score will guide you toward the type of insulation you need.

In particularly cold climates you might go up to r 60. It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. Attic insulation using fiberglass mary has a four bedroom detached house 150m2 in size. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.

For diy attic insulation you ve got two choices. Nationwide delivery or click collect from any of our 7 stores.