Systems containing cold adhesive shall be in place not less than 14 days prior to conducting the test.
Roofing adhesive pull test tripod.
The are testing the flat roof to ensure the roof fasteners wil.
Ter roofing work is complete.
A standard test method for application and performance of a pull test using the portable adhesion tester is available in astm d4541 iso 4624 and bs en 24624.
The bonded uplift test utilizes two two foot by two foot pieces of plywood connected to a tripod.
Anchors and fasteners spray foam vapor barriers other general pull out and adhesion tests.
Com ten s roofirst pull tester is a valuable solution to test fasteners on the roof.
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.
The two pieces of plywood are fastened together and attached to the tripod with mechanical fasteners.
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.
The separation may be adhesive at the weakest bond or cohesive within the weakest material.
On the right and florida engineer testing on the left.
The field adhesion test procedure is as follows.
Valid adhesion test result is discussed.
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.
It is also a good indicator of the fundamental adhesive properties of a sealant on a particular substrate.
Do you already have a competitor s pull tester and need calibration or repair services.
The portable adhesion tester may be used to test adhesion for all traffic and nontraffic bearing alt roofing waterproofing and surfacing systems.
It is used to prove the fastening integrity for existing or new roof construction.
It can be used in horizontal or vertical tests in all types of substrates.
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If the failure is cohesive the adhesive strength is greater than the cohesive strength.
The field adhesion test is simply a hand pull test of a cut area of joint sealant.
It is designed to record and document on site pull out values.
All pull tests should be documented via pullout test report and provided to firestone.
We do that too.
