Wind Test To Roofing

The test procedure is then based on placing the roof assembly into the test chamber and subjecting it to a prescribed sequence of 5 phases of oscillating positive and negative pressure cycles simulating dynamic wind conditions over 80 minutes of total testing.

Wind test to roofing.

Consumer reports reveals the best roofing shingles from its comprehensive tests including 3 tab architectural and multilayered architectural asphalt shingles. Types of wind uplift tests. From roof covering materials solar panels and underlayment products to wind driven rain flame spread acoustical and uplift testing our complete suite of capabilities is exactly what you need. For this reason someone will need to be present to allow the inspector to access the attic and view the underside of your roof.

Fm loss prevention data sheet 1 52 fm 1 52 field uplift tests provides for two methods of testing wind uplift resistance. A wind mitigation inspection is a visual examination of the condition of your roof and the techniques used during its construction. Hrt employed a wind simulator figure 4 capable of producing wind speeds up to 175 mph and compliant with astm d3161 standard test method for wind resistance of steep slope roofing products fan induced method. The test frame has the appropriate roof deck attached to supports.

The negative pressure test and the bonded uplift test. With the right partner you can easily navigate through the intricacies of building codes coastal and high velocity hurricane zone requirements and. Unlike a typical home inspection a wind mit inspection focuses on your roof. For mechanically attached single ply roofing systems the test involves building a roof assembly on a test frame that measures 12 feet by 24 feet.

Post test inspection of all shingles that unbonded during the testing revealed that at a minimum creases were present. The bulk of the wind uplift design approach presented by the fll german guideline for the planning execution and upkeep of green roofs consists primarily in first calculating the building s wind loads in accordance with european standards and in line with the above testing procedure. This type of test protocol is well respected and recognised in germany. This test determines the uplift resistance of roof assemblies consisting of the roof deck and roof covering materials by evaluating the comparative resistance of roof assemblies to positive and negative pressures.