The notches allow each plank to lap over the notch in the adjacent plank ... of a slight valley between planks in the ...

Shiplap, which is planks of wood installed horizontally ... How do you install wainscoting over drywall? Wainscoting is ...

"Lately I’ve loved incorporating 'skinnylap' (same idea as shiplap, but with thinner planks), wallpaper and bolder paint colors." Read next BI Tech Memo ...