79 - Q&A April 2023

Written By Jay Yerxa

Listener Steve C--mitered corners on cladding (plus "Trust But Verify" t-shirts!); listener Jason L--detailing Huber ZIP-R at window openings; Listener Dan--worry over window details with ZIP-R; Listener Jeff (who buttered us up with his love for UBIP)--cavity fill rockwool or CCSPF in retrofit and if CCSF can it be the WRB/can new OSB sheathing be the WRB?

Pete's Resource(s):

1. Tru Exterior mitered corners: https://truexterior.com/truexterior-siding-offers-an-easier-approach-to-mitered-corners/

2. ProTradeCraft "Window Installs in walls with Thick ZIPs" - https://www.youtube.com/watch?v=g2dEfns7b7o

3. Huber "Recessed Window Flashing with ZIP System Liquid Flash on R-Sheathing" - https://www.huberwood.com/technical-library/recessed-window-flashing-with-zip-system-liquid-flash

4. Retrofit WRB - https://www.greenbuildingadvisor.com/question/wrb-for-retrofit

5. FHB John Straube ENergy Retrofits: https://www.finehomebuilding.com/project-guides/energy-retrofit/six-proven-ways-to-build-energy-smart-walls

Jay Yerxa
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