Soffit (or overhang) vents provide free vent area for cooler or drier air to enter into the attic and replace the hotter and/or damper air that vents out through the upper vents comprised commonly of a power vent, ridge vents,… Read More
Author Archives: Jerry Prugar
Did You Know? (Lumber)
Some Interesting Effects of Moisture on Lumber Sawn Lumber Raising the moisture content in sawn lumber from normal use conditions (moisture content < 15%) to fully saturated decreases the stiffness about 25%, thus increasing deflection immediately by 33%. Creep is… Read More
Threshold Damage to Garage Doors Exposed to Explosion or Excessive Winds
An evaluation of building damage resulting from excessive air pressures generated by a nearby explosion or generated by excessive winds may include examination and evaluation of the garage door, especially if the garage door faces toward the site of the… Read More
Happy 4th of July !!!!!!!!!!!!!!!!!!!!
Happy 4th of July! the wonderful summer holiday when we celebrate our forefathers declaration of freedom from the tyranny of King George III. Their statement was a bold one. They knew that they could no longer live under the tyranny… Read More
Unbalanced Backfill & A Garage Foundation Wall
It is not uncommon for a garage floor slab to be raised above the original grade, especially where the grade around the garage slopes down from front to back or side to side. This hillside or sloped grade setting will… Read More
Inadvertent Reduction in Attic Ventilation
We are often called to evaluate the source of moisture causing mold growth, water damage or wetting of building components in an attic. These investigations commonly conclude with pointing out a roof or siding leak from a breach in the… Read More