How Exhaust Works in a Fiberglass Building

The one  element of customization required by every fiberglass shelter we manufacture is ventilation. Ventilation improves interior air quality by introducing outside air and keeping the air within the shelter moving.

Ventilation Helps to Prevent

  • Interior Air Stagnation
  • Unpleasant Smells
  • Excessive Moisture
  • Dangerous Gas Build-Up


  • Controlling Temperature
  • Replenishing Oxygen
  • Removing Moisture
  • Introducing Clean Air

There are two main types of ventilation, natural and mechanical.

Exactly as it sounds, natural ventilation utilizes forces of nature like wind and temperature to supply and remove air from a space. Bouyancy-driven is a type of natural ventilation that relies on differences in temperature and air density within the shelter to push warm air up and out through a higher level vent. Wind driven natural ventilation uses natural breezes to encourage air circulation. Windows, vents, doors and turbines are all options available from Shelter Works that aid these processes. When positioned correctly and used in conjunction with one another they create a natural cross flow of air causing the air to circulate.

Low initial cost and non-existent operating costs make natural ventilation the most cost effective way to aerate a structure but, depending on the application, it may not always be the most viable option. Natural ventilation will not cool the interior of the building to any temperature below the actual outside temperature. This should be considered when housing critical field equipment that may require operating temperatures to remain within a certain range.

Mechanical ventilation is a more reliable way to ventilate a shelter when you need consistent results.. It uses fans, air conditioners and heaters to force the air to circulate, remove moisture and regulate interior temperature. Mechanical ventilation does have a higher initial cost as well as the higher operating and maintenance costs associated with the equipment. In most cases a mixed mode balance of both natural and mechanical ventilation can achieve the desired results you need when protecting your critical field equipment.