Benefits of Mineral Wool Insulation

These days, many traditional materials are being phased out in favor of materials that are more natural and sustainable. The world of insulation is no exception. Traditional insulation materials such as fiberglass batting, polyisocyanurate insulation, and extruded polystyrene are stepping aside to make way for the benefits of mineral wool insulation.

Mineral wool is also known as rock wool, stone fiber, or mineral fiber. As its name suggests, it is a material created from stone fibers. It is made by spinning or drawing molten stone and slag (waste from the manufacture of steel) into a heap of thin pliable fibers, similar to the process of spinning cotton candy. It was first commercially produced in Germany in 1871, and quickly became known for its insulation benefits.

Other insulation materials don’t compare to mineral wool

Other synthetic insulation materials just don’t compare to mineral wool. It is highly flame retardant, and capable of withstanding temperatures up to 850 °C. It’s not just the heat resistance that makes mineral wool an ideal insulator though. Mineral wool insulation is, of course, highly efficient at insulating.

On top of that, mineral wool is easy to install. It is not a loosely pressed sheet of material like fiberglass batts, but instead a more firm, almost sponge-like material that holds its shape. It can be cut easily into precise lengths using a simple utility knife.

And finally, unlike other insulation options, mineral wool dries quickly and effectively, making it less susceptible to mold growth.

When using fiberglass or mineral wool insulation, it is recommended to use a smart vapor barrier alongside it to ensure total vapor protection. These membranes will self-adjust to match their current climate. For example, the membrane will maintain a low permeability state when the atmosphere is dry. When the atmosphere becomes damp, the membrane will open up its pores and allow moisture to dissipate into the air. This drastically reduces the amount of unwanted moisture and condensation in the home.

While other insulation options may have a few benefits similar to mineral wool, none can quite stand up to all of the added benefits combined. Mineral wool is quickly gaining popularity as the go-to solution for commercial and residential insulation. If you would like to know more about choosing materials with superior moisture control properties, we welcome you to visit our website.

Dörken delivers innovative, high-performance air and moisture barriers for commercial and residential construction sold under the DELTA® brand name. A North American manufacturer based out of Beamsville, Ontario, Dörken Products, Inc. is a subsidiary of Ewald Dörken AG, a leading European developer and manufacturer of waterproofing and drainage products sold worldwide. Dörken is known for delivering premium products while providing educational programs and full technical support. For more information, call 1-888-4DELTA4 (433-5824) or visit