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