Listeners write in about HVAC company consolidation and stains from supply lines and ask questions about Larsen trusses and insulating stucco houses.

The crew talks about the benefits and challenges of Larsen trusses and gets an update on stains from copper water lines. How to safely insulate stucco houses.

Tune in to Episode 663 of the Fine Homebuilding Podcast to learn more about:

• What causes green stains from supply piping
• Can you use Larsen trusses to add racking resistance
• Is it safe to insulate behind old stucco in a mixed climate

Have a question or topic you want us to talk about on the show? Email us at [email protected].

➡️ Check Out the Full Show Notes: FHB Podcast 663

➡️ Learn about Framing High-Performance Houses by Dan Kolbert, the new E-learning course from Fine Homebuilding

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