It is available in either prefinished or unfinished where the finish is applied on site. Hardwood is so durable that replacement is virtually non-existent. Hardwood is a good insulator, keeping the cold out and the warmth in. In addition, hardwood is safer for people with allergies. It does not trap dust, insect eggs or other allergens that can increase a persons sensitivity to the environment like other floorcoverings. Engineered laminate products offer realistic simulations of real hardwood and tile with easy maintenance, installation and lower cost.