The big disadvantage with spray foam is cost.
Esb 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.
Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.
Ceiling level roof insulation is generally the most cost effective of any energy efficiency upgrade made to a house.
The efficiency of a boiler over 15 years old is typically 70.
See install batt and roll insulation for details.
The attic is the easiest place to add insulation to improve your comfort and the energy efficiency of your home.
When the design of your attic allows the best attic insulation is inexpensive easy to install and will yield the performance you re looking for.
The answer to the question of which attic insulation is best is of course entirely circumstantial.
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.
There are other materials and systems that you can use to insulate your attic.
I d blow insulation on the attic floor after air sealing of course.
By changing to an energy efficient boiler.
Even if you have some attic insulation you should upgrade it to today s standard of 300mm of rockwool or equivalent.
It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass.
Insulation types attic insulation.
Fiberglass attic insulation cons.
When it is disturbed in the attic fiberglass insulation releases particulates into the air which may be inhaled.
Did you know there is there are grants available for attic cavity and internal wall insulation see below for further details.
Batt and roll insulation and loose fill sometimes known as blown in insulation.
Fiberglass in the attic can trap allergens dust and moisture which can lead to mold growth.
Batt and roll insulation works well between joist and stud spaces or if you have a wide open space or a crawlspace.
Loose fill blown in insulation is best for tight spaces or if your attic already has a layer of insulation.
Inspecting your attic insulation.
Now that you ve air sealed your attic and basement check your attic insulation levels and add more if necessary.
There are two main types of insulation.