American rockwool blown in insulation is produced from recycled blast furnace slag and trap rock which is a fine grained igneous rock.
Roxul attic insulation.
Roxul acoustic insulation is stone wool insulation that absorbs sound waves is fire resistant and is manufactured by a company called roxul.
Loose fill or batt the common term for blanket insulation.
I am doing a complete renovation of my house right now and i ve chosen to insulate with roxul comfort batts.
It features a unique flexible edge designed to compress as the batt is inserted then spring back expanding the batt against the frame studs to give a complete fill.
You can achieve better thermal performance in your attic by adding an additional layer of insulation.
Roxul safe is ul and intertek approved as a forming material for numerous firestop systems.
This non combustible lightweight product absorbs outside noise thereby making your living experience more comfortable.
Use rockwool thermal stone wool insulation to insulate the attic of a new build extension or to increase the r value and top up the current attic insulation especially in an older home.
This is one of the most cost effective areas to add insulation.
Like cellulose insulation blown mineral wool can be installed in netted stud bays or spray applied with adhesive into bare stud cavities.
For diy attic insulation you ve got two choices.
I ve read that i need to use a vapor barrier but i ve also read that vapor barriers can cause houses to be moldy or can cause rot inside the walls because the walls cannot dry out properly.
Achieving greater r values in exterior walls in exterior walls add insulating sheathing to achieve a greater r value in your wall system.
I am in zone 4 right on the edge of zone 5 in long island ny.
Both can be added to uninsulated attics or layered over existing material.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
It is dense yet porous and reduces the movement of heat or cold plus it absorbs sound waves and vibrations.
The higher the r value the better the thermal performance of the insulation.