[Products News] Why use the entry mat To prevent dirt and pollutants from entering buildings, experts agree that an exterior analysis is needed first. The exterior environment of each building will vary, but in order to ensure the maximum protection of tenants and building interior, a good understanding of exterior conditions, sources of pollutants, and situations that cause pollutions is needed. At a minimum, this can be accomplished by conducting an exterior survey and recording findings. Examine weather conditions, roads, walkways, trees and shrubbery, and surfaces that may be inadequately drained. In addition, look at sources of pollution and damage that might result from pigeons, birds, fountains, decorative ponds, and trash. Use your finding as input into a master strategy to keep the enemy dirt out of your building.