Water Intrusion Roof Methods

Capillary penetration of fluid from the ground up through concrete or masonry is known.

Water intrusion roof methods. Flooding from outside of the building. The most common sources include. Especially with epdm single ply membranes shrinkage can cause the membrane to pull apart from the vertical flashing and the roof. Pipe breaks potable water chilled water sewer line back ups.

Guidelines to address water intrusion problems. Since mold requires water to grow it is important to prevent moisture problems in buildings. The water intrusion expert. A high proportion of damp problems in buildings are caused by ambient climate dependent factors of condensation and rain penetration.

This astm testing. The following primarily deals with water intrusion through the attic ventilation system components and retrofits that can be made to reduce this water intrusion. Moisture problems can have many causes including uncontrolled humidity. The second cause of water intrusion is failed flashing.

Uncontrolled water intrusion into a building can originate from numerous sources. Roof consulting and building leak analysis are my areas of expertise. This unseals the flashing and provides and easy avenue for water. I started my roofing and waterproofing business in austin and central texas in 1966 and have worked as an independent professional roof consultant since 1984 the investigative and diagnostic methods i have developed over the last 47 years have proven effective on thousands of roof inspections.

Some moisture problems in buildings have been linked to changes in building construction practices during the 1970s 80s and 90s. Roof leaks and condensation forming above ceilings. While some water can be blown into the attic through almost any type of soffit vent the amount of water intrusion increas es dramatically when the. Methods for reducing water intrusion due to roof cover loss is discussed in the what to do if you re roof and what you can do if you don t re roof sections.

The astm e 331 standard test method for water penetration of exterior windows skylights doors and curtain walls by uniform static air pressure difference is a testing standard that describes the procedures to determine the water penetration resistance of windows curtain walls skylights and doors when water is applied using a calibrated spray apparatus while simultaneously applying. Please note there will be a delay mailing certifications pocket cards and exam results. Astm e1105 and aama 501 2 test methods are good overall methods commonly used to test exterior walls sloped glazing and shallow pitched roofs to help identify leak sources. Spray testing is the use of controlled water flow deposited on building components in a manner that simulates normal to severe weather conditions.