In this episode of the Concrete Logic podcast, Seth interviews Kevin Cavanaugh from Arcosa Lightweight Aggregates about lightweight concrete. They discuss the history and types of lightweight aggregates, the advantages of using lightweight concrete, and the special considerations for handling and finishing lightweight concrete. They also touch on the use of lightweight concrete in response to the challenges of Type 1L cement. Overall, the conversation highlights the benefits and misconceptions surrounding lightweight concrete. Takeaways Lightweight concrete offers advantages such as reduced weight, allowing for smaller and fewer structural elements, and improved fire resistance.Special handling and pre-soaking of lightweight aggregates are necessary to ensure proper internal curing and achieve desired performance. Lightweight concrete can be a solution to the challenges posed by Type 1L cement, but it requires careful consideration and coordination with contractors and suppliers. Misconceptions about lightweight concrete, such as concerns about durability and finishing, persist and need to be addressed through education and communication.Chapters 00:00 Introduction and Overview 04:19 Types and History of Lightweight Aggregates 09:03 Advantages of Lightweight Concrete 12:40 Special Considerations for Handling and Finishing Lightweight Concrete 18:03 Using Lightweight Concrete for Type 1L Cement Challenges 33:44 Dispelling Misconceptions about Lightweight Concrete 38:00 ConclusionDid you learn something from this episode? If so, please consider donating to the show to help us continue to provide high-quality content for the concrete industry. Donate here: https://www.concretelogicpodcast.com/support/⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Episode References Guest: Kevin Cavanaugh | Arcosa Lightweight Aggregates | kevin.cavanaugh@arcosa.com Guest Website:⁠ https://arcosalightweight.com/Producers: Jodi Tandett Donate & Become a Producer: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://www.concretelogicpodcast.com/support/⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ Music: Mike Dunton | ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://www.mikeduntonmusic.com⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ | ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠mikeduntonmusic@gmail.com⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ | Instagram ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠@Mike_Dunton⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ Host: Seth Tandett, ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠seth@concretelogicpodcast.com⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ Host LinkedIn: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://www.linkedin.com/in/seth-tandett/⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ Website: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://www.concretelogicpodcast.com/⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ LinkedIn: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://www.linkedin.com/company/concrete-logic-podcast