Basic Info About a Building Envelope and Why It Matters

An envelope is the outer shell that protects mail or other contents being transferred to the recipient. This makes sense when you consider what a building envelope does. Basically speaking, the building envelope is the exterior of a building that protects its occupants and their possessions by helping to maintain certain interior conditions. Find out why it is important to maintain this essential part of a building.

What is a Building Envelope?

The building envelope is the outer shell of the structure. This shell helps to maintain an indoor environment that is cool, dry, or heated. This makes a difference on the climate control within the building. The design of a building envelope is determined by architects and engineering professionals. This thoughtful design focuses on building science and climate control.

Functions of the Building Envelope

The building envelope takes care of three basic functions. It supports the building to transfer and resist structural loads. It also controls the flow of matter and energy throughout the building. Finally, it is the finishing touch to a building. It is what people see when they initially look at the building and its makes a first impression on visitors, passersby, and occupants.

Facing Exterior Conditions

The building envelope faces the exterior conditions that the building will inevitably face. Thus, a building envelope must be durable and properly constructed. Top notch performance focuses on rain control, vapor control, heat control, and air control.  Rain is important to control. The roof should resist water, whether it is flat or pitched. This includes rain, snow, and ice during all the seasons of the year. Walls must also resist water to avoid leaks and condensation. Plus, basements must be constructed to handle drainage and be waterproof.

More Factors

Other factors an engineer must focus on include air flow for indoor air quality, energy efficiency, and minimizing condensation for optimum comfort. The components that must be considered include the foundation, doors, roof, windows, walls, insulation, and ceiling. The thermal envelope plays a role on the temperature inside the building.

Building envelopes must be thoughtfully constructed, regularly inspected, and repaired as needed to maintain the integrity of buildings in NYC and NJ.

Sullivan Engineering LLC
409 Minnisink Rd
Totowa, NJ 07512
(973)  706-8584