The separation may be adhesive at the weakest bond or cohesive within the weakest material.
Roofing adhesive pull test tripod.
Bob fairway roofing painting inc.
The field adhesion test procedure is as follows.
The field adhesion test is simply a hand pull test of a cut area of joint sealant.
The two pieces of plywood are fastened together and attached to the tripod with mechanical fasteners.
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.
Com ten s roofirst pull tester is a valuable solution to test fasteners on the roof.
The are testing the flat roof to ensure the roof fasteners wil.
Systems containing cold adhesive shall be in place not less than 14 days prior to conducting the test.
It is used to prove the fastening integrity for existing or new roof construction.
Valid adhesion test result is discussed.
On the right and florida engineer testing on the left.
The portable adhesion tester may be used to test adhesion for all traffic and nontraffic bearing alt roofing waterproofing and surfacing systems.
Do you already have a competitor s pull tester and need calibration or repair services.
It can be used in horizontal or vertical tests in all types of substrates.
It is designed to record and document on site pull out values.
It is a very useful procedure for evaluating the effects of various cleaning methods and primers.
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.
Ter roofing work is complete.
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.
All pull tests should be documented via pullout test report and provided to firestone.
The bonded uplift test utilizes two two foot by two foot pieces of plywood connected to a tripod.
It is also a good indicator of the fundamental adhesive properties of a sealant on a particular substrate.
Our pull testers are commonly used by the roofing and construction industries to evaluate.
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.
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.
If the failure is cohesive the adhesive strength is greater than the cohesive strength.
