A common point of system failure occurs when fasteners shear or pull loose from the underlying roof sheathing.
Roof uplift testing.
Roof membrane uplift resistance testing your ally in roofing compliance unlike a building s interior components roofs are susceptible to severe weathering foot traffic expansion contraction and abuse which can result in accelerated roof system degradation.
Major roofing contractor groups such as the national roofing contractors.
Purpose and scope.
Fm global fmg recommends in its property loss prevention data sheet 1 52 field veriication of roof wind uplift resistance that ield uplift testing or full time rooing construction observation be conducted for most adhered rooing sys.
Roof overs aka recover roofing we can provide you with the required testing.
Uplift tests are typically carried out in high risk hurricane zones hvhz.
With over 40 years experience in the roofing industry and 21 years as a miami dade county certified testing lab.
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.
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.
The test frame has the appropriate roof deck attached to supports.
Review of applicable standards and industry practice.
Know the parameters and use the information wisely test methods.
Fm loss prevention data sheet 1 52 fm 1 52 field uplift tests provides for two methods of testing.
Wind uplift test starting at 800.
In laboratory testing wind uplift forces are applied and carefully measured in pounds per square foot psf gradually increasing the psf force until roof system failure occurs.
While undergoing construction it is of paramount importance that the roof is monitored during the installation period.
The ul 580 rating determines the uplift resistance of roof assemblies.
The test evaluates the roof panel panel.
This test is done to measure the uplift resistance for adhesive foam or mechanically attached tile roof systems.
Understanding wind uplift testing for standing seam roof systems ul 580.
Attachment calculations for approved roofing assemblies 250.
Test variables and concerns.
Roof moisture surveys starting at 650.
In fact there are various.
Tile uplift test a direct tensile load is applied by pulling up on the edge of the tile by using a tile testing scale this test verifies the tile can withstand the uplift it is designed for.
To overall monetary loss was roof failure due to strong winds.
The ul 1897 wind test is a continuation of ul 580 and is the standard for uplift tests for roof.