In designing exterior enclosures, it is necessary to consider the affects of both positive (pushing) and negative (pulling) wind pressures on the envelope of a building.

Which of the following is a type of fire-rated glass?

Why are thermal breaks important in aluminum extrusions?

Aluminum has a relatively high coefficient of thermal expansion in relation to glass which has less than half.

Which of the following is NOT a characteristic of the relationship between internal and external flashing in relationship to masonry walls?

Which of the following is NOT a common material utilized for exterior curtain wall construction?

What metal fabrication process is conceptually represented by the image to the right?   

Which letter corresponds to a weep hole?  

Identify the correct sequence of materials according to their thermal resistance, from lowest to highest:

In masonry construction a lintel functions as: