Johns Manville Mineral Wool Insulation

Johns manville mineral wool batts are made of inorganic fibers derived from basalt a volcanic rock and are enhanced with glass fibers.

Johns manville mineral wool insulation.

Johns manville minwool sound attenuation fire batt safb insulation is manufactured from inorganic fibers derived from volcanic rock. Johns manville r 23 mineral wool insulation batt 15 25 x 47 24 9 sq. Our advanced manufacturing technology ensures consistent product quality with high fiber density and low shot content for excellent performance. Johns manville minwool curtainwall insulation is available in a wide range of thicknesses and is available plain or with a foil facing vapor retarder.

As an example the r 15 mineral wool costs about 80 per sq. It offers superior fire resistance and excellent thermal and acoustical insulating properties. Johns manville manufactuers mineral wool in a breadth of shapes and sizes and now offers a complete line of water repellent minwool 1200 industrial insulation. Be aware though that you may have to special order mineral wool batts.

With a melting point of 2000 f and natural fire resistant properties jm mineral wool insulation delays the spread of fire between interior rooms and provides superior fire resistance in exterior walls basements and heated crawl spaces. Johns manville s minwool window wall insulation is designed to be used primarily in glass and metal window wall systems. Providing superior fire resistance and acoustical properties minwool curtainwall is designed for use in glass metal and masonry curtainwall spandrel systems and can be placed between or over framing members. Ft to purchase this item contact the building materials department at the menards richfield store in person.

Noncombustible fire and moisture resistant they are designed to deliver thermal control and delay the spread of fire in wood stud cavities of exterior walls basements and heated crawlspaces. There are at least three brands of mineral wool batts for thermal wall insulation. Mineral wool is ideal for applications that need a lightweight easy to install insulation with robust thermal performance. Johns manville mineral wool tempcontrol batts offer up to rsi 4 9 r 28.

Most mineral wool insulation does not contain asbestos but there is at least one known exception from an alabama manufacturer. Minwool window wall is made from mineral wool and bound with a thermosetting resin. Noncombustible and moisture resistant the lightweight and flexible batts are designed to deliver excellent noise control in metal stud wall cavities of interior partitions exterior walls or above suspended ceiling systems. The short answer is that all research we ve made to date indicates that johns manville spintex batt insulation was a rock wool or mineral wool foil faced insulating batt product.