Mineral Fiber Insulation Vs Fiberglass

There are at least three brands of mineral wool batts for thermal wall insulation.

Mineral fiber insulation vs fiberglass.

For example insulating a 10 square foot wall area to r 15 costs about 3 40 to 4 00 with fiberglass insulation while a comparable r value for rigid foam costs roughly 10. Mineral wool is also a non organic product made from volcanic sand melted at. Mineral wool has a slightly higher r value ranging between 3 0 and 3 3 per inch. Fiberglass insulation is less than half the price of rigid foam insulation when calculated by r value per square foot.

Thanks gregory for the excellent article which should help dispel common misconceptions about mineral wool vs fiberglass. 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 wool insulation or rockwool typically costs more per inch than fiberglass insulation. Mineral wool is a stone based mineral fiber insulation comprised of basalt rock and recycled steel slag.

Be aware though that. As an example the r 15 mineral wool costs about 80 per sq. On a square foot basis mineral wool batts cost more than fiberglass batts. Mineral wool is easier to install correctly more water resistant and with a better r value.

When building or remodeling a house the issue of insulation is an important one. It costs about about 25 to 45 more than fiberglass but i feel its benefits more than justify the additional costs. Overall mineral wool batts are a much better product than fiberglass. The manufacturing process involves taking molten rock and spinning it while blasting it with cool air.

With so many insulation types and sometimes conflicting information on the safety of insulation materials it s vital to weigh the pros and cons. Both insulation materials are effective solutions for the insulation of tanks and offer unique advantages and disadvantages. 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. Fiber glass mineral wool vs.

The thermal resistance of insulation is measured by what s commonly known as the r value and the higher the r value the better. Fiberglass has an r value of approximately 2 2 to 2 7 per inch of thickness. Fiberglass is a non organic product made from melted glass spun into a mat of fine fibers. Fiberglass insulation by daisy cuinn hunker may earn compensation through affiliate links in this story.

Prices can vary at any time but expect to pay around 0 10 more per inch for mineral wool versus fiberglass. How they stack up. Johns manville tempcontrol roxul comfortbatt and thermafiber ultrabatt.