Place your first panel at a corner. If you have a corner board installed, butt the panel against it. If not, let the panel overhang the corner framing by the thickness of the panel (to accept the return piece).

T1-11 is unforgiving if installed on a damp surface. Ensure your sheathing is dry. Apply your house wrap horizontally, starting from the bottom and working up (shingle style) to ensure water sheds downward. Tape all seams with compatible house wrap tape.

She drove to the lumberyard and asked for T1-11 siding. The kid behind the counter raised an eyebrow. “You know this is 4x8 sheets? Heavy stuff.”

The primary "enemy" of T1-11 is moisture. To prevent rot and premature failure, several preventative measures are non-negotiable:

: The first panel is the most critical. It must be perfectly plumb using a level, as every subsequent panel will follow its lead.

Before picking up a hammer, it is vital to understand what you are buying. T1-11 generally comes in two distinct flavors:

“I know,” she said.

Whenever a row of siding ends and another begins above it (horizontal seams), you must use Z-flashing.

: Use Z-flashing at any horizontal joints where panels meet stacked vertically. This directs water away from the seam and prevents it from seeping behind the siding.