Mineral Fiber Insulation Vs Fiberglass

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.

Mineral fiber insulation vs fiberglass.

Both insulation materials are effective solutions for the insulation of tanks and offer unique advantages and disadvantages. Both types are popular and readily available. Fiberglass is a non organic product made from melted glass spun into a mat of fine fibers. Mineral wool is also a non organic product made from volcanic sand melted at.

The manufacturing process involves taking molten rock and spinning it while blasting it with cool air. Be aware though that. 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 insulation or rockwool typically costs more per inch than fiberglass insulation.

Johns manville tempcontrol roxul comfortbatt and thermafiber ultrabatt. 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. When building or remodeling a house the issue of insulation is an important one. Overall mineral wool batts are a much better product than fiberglass.

Mineral wool has a slightly higher r value ranging between 3 0 and 3 3 per inch. 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. Fiber glass mineral wool engineered to outperformtm vs.

Thanks gregory for the excellent article which should help dispel common misconceptions about mineral wool vs fiberglass. Determining the final selection is often based on cost temperature range or meeting a certain specification. With so many insulation types and sometimes conflicting information on the safety of insulation materials it s vital to weigh the pros and cons. Mineral wool is easier to install correctly more water resistant and with a better r value.

Mineral wool is a stone based mineral fiber insulation comprised of basalt rock and recycled steel slag. There are at least three brands of mineral wool batts for thermal wall insulation. On a square foot basis mineral wool batts cost more than fiberglass batts. Fiberglass insulation by daisy cuinn hunker may earn compensation through affiliate links in this story.

How they stack up. Prices can vary at any time but expect to pay around 0 10 more per inch for mineral wool versus fiberglass. As an example the r 15 mineral wool costs about 80 per sq.