Comparing the facts no matter what the building challenge fiber glass and mineral wool insulation have the product variety application flexibility and value to help satisfy every job s demands.
Mineral fiber insulation vs fiberglass.
How they stack up.
Fiberglass has an r value of approximately 2 2 to 2 7 per inch of thickness.
It costs about about 25 to 45 more than fiberglass but i feel its benefits more than justify the additional costs.
There are at least three brands of mineral wool batts for thermal wall insulation.
When building or remodeling a house the issue of insulation is an important one.
Mineral wool has a slightly higher r value ranging between 3 0 and 3 3 per inch.
Mineral wool is a great solution for the firebreaks required at the top of stud walls and for the linear breaks required every 10 along a basement wall.
Fiberglass is a non organic product made from melted glass spun into a mat of fine fibers.
Mineral wool is a stone based mineral fiber insulation comprised of basalt rock and recycled steel slag.
Fiberglass insulation is less than half the price of rigid foam insulation when calculated by r value per square foot.
Both types are popular and readily available.
Fiberglass insulation by daisy cuinn hunker may earn compensation through affiliate links in this story.
Determining the final selection is often based on cost temperature range or meeting a certain specification.
The manufacturing process involves taking molten rock and spinning it while blasting it with cool air.
Thanks gregory for the excellent article which should help dispel common misconceptions about mineral wool vs fiberglass.
Fiber glass mineral wool engineered to outperformtm vs.
Mineral wool is also a non organic product made from volcanic sand melted at.
Both insulation materials are effective solutions for the insulation of tanks and offer unique advantages and disadvantages.
Be aware though that.
The thermal resistance of insulation is measured by what s commonly known as the r value and the higher the r value the better.
As an example the r 15 mineral wool costs about 80 per sq.
Fiber glass mineral wool vs.
With so many insulation types and sometimes conflicting information on the safety of insulation materials it s vital to weigh the pros and cons.
Johns manville tempcontrol roxul comfortbatt and thermafiber ultrabatt.
Prices can vary at any time but expect to pay around 0 10 more per inch for mineral wool versus fiberglass.
On a square foot basis mineral wool batts cost more than fiberglass batts.
Overall mineral wool batts are a much better product than fiberglass.