Johns Manville TempControl® R-23 Mineral Wool Insulation Batt 15.25" x 47" (24.9 sq ft)

The Johns Manville TempControl® R-23 Mineral Wool Insulation Batt is engineered for superior thermal and acoustic insulation in residential and commercial buildings. Made from inorganic basalt rock and enhanced with glass fibers, this high-density mineral wool insulation provides exceptional durability and performance.

With a melting point of 2,000°F, this insulation offers added fire resistance, helping to delay the spread of flames and smoke, which enhances building safety. Its R-23 rating ensures excellent thermal resistance, keeping indoor spaces warmer in the winter and cooler in the summer while improving energy efficiency.

Designed for interior walls with 16-inch on-center stud spacing, the batts come pre-cut for easy installation and do not support the growth of mold or pests. This insulation also helps reduce noise transmission, making it ideal for homes, offices, and multifamily buildings where soundproofing is beneficial.

Johns Manville TempControl® is a Seal and Insulate with ENERGY STAR® program partner, ensuring high performance and energy savings. With 24.9 square feet of coverage per package, this mineral wool insulation is a premium solution for improving indoor comfort and reducing utility costs.

Key Features

• High Thermal Resistance (R-23) – Provides superior insulation for improved energy efficiency and comfort.
• Fire-Resistant Material – Melting point of 2,000°F helps delay the spread of flames and smoke.
• Sound Absorption – Reduces noise transmission between rooms and floors.
• Moisture & Mold Resistant – Does not support the growth of mold or mildew.
• Pest Resistant – Mineral wool insulation does not sustain vermin or pests.
• Easy to Cut and Install – Pre-cut batts fit standard 16-inch on-center wall framing.
• No Formaldehyde Added – Provides a healthier indoor environment.
• Sustainable Choice – Johns Manville is a Seal and Insulate with ENERGY STAR® partner, ensuring energy savings and environmental responsibility.
• Covers 24.9 square feet per package – Includes five pre-cut batts.

Specifications

Frequently Asked Questions (FAQs)

Where can I use Johns Manville TempControl® R-23 Mineral Wool Insulation?
This insulation is ideal for interior and exterior walls, floors, ceilings, and attics in residential and commercial buildings. It is especially useful in soundproofing applications and for areas requiring fire resistance.

Does this insulation help with fire safety?
Yes, mineral wool insulation has a high melting point of 2,000°F, helping to slow the spread of flames and smoke, providing additional evacuation time in the event of a fire.

Is this insulation resistant to mold and pests?
Yes, mineral wool insulation does not support mold growth or sustain pests, making it a durable and low-maintenance option for long-term use.

How effective is this insulation for soundproofing?
Mineral wool is one of the best materials for sound absorption, helping to reduce noise transfer between rooms, floors, or external sources.

Is this insulation easy to install?
Yes, the pre-cut batts fit standard 16-inch on-center framing, making installation straightforward. The material is also easy to cut for custom fitting.

Can I use this insulation with a vapor barrier?
Yes, since this insulation is unfaced, it can be used with an additional vapor barrier if required by local building codes or specific applications.

Does this insulation contain formaldehyde?
No, this product does not have added formaldehyde, ensuring healthier indoor air quality.

How many batts come in a package?
Each package includes five batts, covering 24.9 square feet in total.

*"Johns Manville TempControl® R-23 Mineral Wool Insulation is an outstanding choice for homeowners and builders looking for superior thermal insulation, fire resistance, and noise reduction. With an R-23 rating, this insulation significantly improves energy efficiency, helping to lower heating and cooling costs.

Its ability to withstand temperatures up to 2,000°F makes it an excellent fire-resistant material, enhancing building safety. Additionally, its moisture and mold resistance ensure long-term durability without the risk of degradation.

For those looking for high-performance insulation that also helps with soundproofing and fire protection, this product is highly recommended. Its ease of installation and compatibility with standard framing makes it a great option for both new construction and renovations."*

This insulation is ideal for homeowners, contractors, and builders looking for energy-efficient, fire-resistant, and noise-reducing insulation in their projects.