Title 24 Resources for High Performance Attics and Walls
As of January 1, 2023, Title 24 will mandate new and updated energy efficiency regulations for residential construction in the State of California, including changes to lighting, mechanical ventilation systems, wall and attic insulation and approach to overall energy efficiency compliance.
With the broadest product offering in the insulation industry and more than 160 years of experience, Johns Manville is your expert building partner. Our building science knowledge and network of skilled contractors can help you meet or exceed new Title 24 requirements, providing more comfortable and energy efficient homes.
More Title 24 Resources
Single-Family and Multi-Family Title 24 solutions are now separated. These over document explores the code requirements, Prescriptive and Performance options, and JM solutions that will help you meet or exceed Title 24 high performance attic and wall requirements.
Single-Family Insulation Guide
Multi-Family Insulation Guide
Learn more about the 2019 Title 24 changes, what they mean for the building industry and the types of products that will meet requirements in our on-demand webinar, Title 24: Building Envelope Changes.
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Building Insulation
FORMALDEHYDE-FREE™ FIBERGLASS INSULATION
Johns Manville Formaldehyde-free™ fiberglass insulation provides thermal and accoustical control for both vertical and horizontal applications. Fiberglass insulation is available in a wide range of thermal resistance R-values and is available unfaced or with a variety of facings, including kraft or foil.
AP™ FOIL-FACED POLYISO FOAM SHEATHING BOARD
Johns Manville AP™ Foil-Faced Polyiso Foam Sheathing boards are available in R-Values up to R-28 and offer a reflective foil facer on one side and a non-reflective facer on the other. AP Foil provides exceptional heat, moisture and air control and, when installed correctly, eliminates all major thermal bridges that cause heat loss.
SPRAY POLYURETHANE FOAM (SPF) INSULATION
John Manville's complete line of spray polyurethane foam (SPF) insulation solutions provides superior thermal energy efficiency, as well as advanced air and sound control. SPF insulation completely covers gaps and voids, works in hard-to-insulate areas and can exceed the performance of traditional fiberglass insulation. Both Johns Manville SPF product categories, open-cell and closed cell, deliver high yield, superior performance and exceptional sprayability.