T1-11 Siding Installation Instructions ((new)) -

Unlike lap siding (which requires stacking individual planks), T1-11 comes in 4x8 or 4x9 sheets.

Leave a 1/4-inch expansion gap between the flashing and the upper panel bottom edge. Do not caulk this horizontal gap; it must drain freely. 🧴 Step 6: Sealing, Caulking, and Finishing Apply Caulking t1-11 siding installation instructions