IPE is indeed tough. Whereas other deck materials have a lifespan of 15 years, IPE earned a top durability rating of 25 years plus in commercial applications such as Atlantic City. It's indestructibility can be attributed to It's incredible density. It weighs 69 lbs. per cu. ft. compared to woods like southern pine (35 lbs.) and redwood (28 lbs.)! And IPE is five times harder! No wood compares to It's superior strength.