![Mechanical Equipment Anchorage to Wood Roof Based on NDS 1997 1 Mechanical Equipment Anchorage to Wood Roof Based on NDS 1997](https://excel.civilmdc.com/wp-content/uploads/2021/12/Mechanical-Equipment-Anchorage-to-Wood-Roof-Based-on-NDS-1997.png)
Mechanical Equipment Anchorage to Wood Roof, most often made of cedar, pressure-treated pine, redwood, or cypress, come in two main types: shingles and shakes. Shingles are cut by machine so they tend to have smoother edges, and be very consistent in size and shape.