This document discusses run-in horse barns from the website http://www.waterloostructures.net/horse-barns/index.php. It summarizes that the website offers prefabricated run-in horse barns that provide shelter for horses during bad weather and storms. The barns come in a variety of sizes from 6x8 feet to 12x48 feet and materials like duratemp or pine. They are sturdily constructed and easy to maintain. The website also details terms of delivery and requirements for site preparation prior to barn installation.