Recognized for its rich dark walnut color Iron Woods™ Ipe Decking represents the most highly demanded naturally durable hardwood decking product within the category. Iron Woods™ Ipe decking has been standing up to the elements in the United States for over 40 years. No matter where you live, no matter what the application, Iron Woods™ Ipe Decking has established itself as the gold standard of naturally durable hardwoods.nized for its rich dark walnut color Iron Woods™ Ipe Decking represents the most highly demanded naturally durable hardwood decking product within the category. Iron Woods™ Ipe decking has been standing up to the elements in the United States for over 40 years. No matter where you live, no matter what the application, Iron Woods™ Ipe Decking has established itself as the gold standard of naturally durable hardwoods.