A: We installed it horizontal on a 20 foot high wall, power nailed it the drywall, thats it. One year no issues.
A: Plywood should be strong enough, these boards are very light weight. I would suggest testing a few pieces first, but I would not be concerned.
A: Each package covers 13.25 sq. ft.
|Name||1/2 in. x 4 in. x 4 ft. Weathered Hardwood Board (8-Piece)||5/16 in. x 3-5/8 in. x Random Lengths Driftwood Grey Vintage Shiplap||9/16 in. x 5-1/4 in. x 8 ft. Primed Pine Nickel Gap Ship Lap Board (6-Pieces Per Box)||1 in. x 6 in. x 6 ft. Barn Wood Gray Pine Shiplap Board (6-Pack)|
|Nominal Product Length (ft.)||4 ft||8 ft||6 ft|
|Features||No Additional Features||No Additional Features||Paintable,Stainable||Paintable,Stainable|
|Board Joint Type||Square Edge||Shiplap||Shiplap||Shiplap|
|View Product||View Product||View Product||View Product|