Glass Block Window Installation

Getting ready to build a 24″ x 32″ glass block window in the bath using the Pittsburgh Corning Provantage system (blocks, channels, spacers, silicone caulk — no mortar). I plan to install directly into the rough opening (2×4 framing), but I’m hung up on what to do about flashing, drip cap, sill, etc…? Want to avoid moisture infiltration, of course. Also, how should I position the window — flush with the exterior sheathing and allow […]

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