The separation may be adhesive at the weakest bond or cohesive within the weakest material.
Roofing adhesive pull test tripod.
Ter roofing work is complete.
All pull tests should be documented via pullout test report and provided to firestone.
Introduction the tensile pull off method for adhesion testing as outlined in astm d 4541 and similarly in bs en iso 4624 involves gluing a test dolly to the coated surface and then pulling the dolly by exerting a force perpendicular to the surface in an effort to remove the dolly with the coating from.
It is a very useful procedure for evaluating the effects of various cleaning methods and primers.
On the right and florida engineer testing on the left.
Do you already have a competitor s pull tester and need calibration or repair services.
The bonded uplift test utilizes two two foot by two foot pieces of plywood connected to a tripod.
The are testing the flat roof to ensure the roof fasteners wil.
Fastener pull tests should be performed in accordance to the requirements listed within ansi spri fx 1 standard field test procedure for determining the withdrawal resistance of roofing fasteners.
1 6 all testing shall be conducted by an ap proved testing agency and all test reports shall be signed by a registered design professional per f s section 471 or 481 or registered roof consultant.
If the failure is cohesive the adhesive strength is greater than the cohesive strength.
Systems containing cold adhesive shall be in place not less than 14 days prior to conducting the test.
The two pieces of plywood are fastened together and attached to the tripod with mechanical fasteners.
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The field adhesion test is simply a hand pull test of a cut area of joint sealant.
The portable adhesion tester may be used to test adhesion for all traffic and nontraffic bearing alt roofing waterproofing and surfacing systems.
The plywood is then adhered to the smooth roof surface with steep asphalt cold adhesive or a material which is compatible with the roof system.
The field adhesion test procedure is as follows.
It can be used in horizontal or vertical tests in all types of substrates.
Anchors and fasteners spray foam vapor barriers other general pull out and adhesion tests.
Valid adhesion test result is discussed.
Com ten s roofirst pull tester is a valuable solution to test fasteners on the roof.
1 1 this test method measures the force needed to cause separation of the components of a roofing or a waterproofing membrane system normal perpendicular to the plane of the membrane.
We do that too.
Our pull testers are commonly used by the roofing and construction industries to evaluate.
It is designed to record and document on site pull out values.