Blistering:Bubbles or Blisters (usually moisture) in shingles. Moisture is trapped inside the material.
Blow-Offs:When shingles are forced off a roof deck because of high winds.
Flashing:Materials used to waterproof a roof around any projections through the roof deck.
Hot Stacks:Ventilation pipe for venting of heat producing equipment.
HVAC Unit:A heating, ventilating and air conditioning unit adapted for your roof.
Ice Dam: Occurs when water builds up behind a blockage of ice. Ice dams can occur in various ways
Infrared Thermography:Is being used to take pictures of roofs at night to find trouble spots.
Parapet Wall:Portion of an exterior wall that continues above the line of the roof surface.
Plastic Cement:Asphalt based sealant. Also called bull, mastic, tar, asphalt cement.
Plumbing Vents:Term used to describe plumbing pipes that project through a roof plane. Also called vent stacks.
Roof vent:A device used to ventilate a roof cavity.
Valleys:Area where two adjoining sloped roof planes intersect on a roof creating a "V" shaped depression.
