: Natural slate is significantly heavier than other materials, weighing up to 1,870 pounds per square (100 sq. ft.) compared to 350 pounds for asphalt. Before buying, a structural engineer must confirm your home can bear this load. Material Types :
: A lighter, more budget-friendly alternative often made from recycled plastic or rubber. It mimics slate's appearance, lasts roughly 50 years , and does not require reinforced framing.
: Durable and fireproof with a 75–200 year lifespan. Standard thickness is typically 3/16" to 1/4" .