b'TECHNICAL & RESEARCH COMMITTEEMakesureyourfieldInsulation or other bulk materials with the wrong shroud label - you sometimes can get your team received ONLY thedistributors or even an insulation manufacturers representative to exchange or correct the labeling.appropriate materials Wrong Colored Screws - Sometimes same truck - the practical advice from contractingmanufacturers will agree to let you buy the correct experience is in ease & lowest stress order: screws and waive the whole issue. To minimize the potential by ensuring the rightUnavailable materials in the system labeled material in on the job. manufacturers own system - often to keep the jobTo seek clearance for a material variation fromfrom being changed to a manufacturer who has your consultant and/or manufacturer prior tomaterials available the original manufacturer may installation. give you a formal job exception to use componentsNegotiate after installation to achievefrom a competitor.(Recommend getting this in an consensus acceptance. email or in writing.) Or you have to face the music eitherSome dont go there Material Incompatibilities remediating the work or finding another wayyou need to avoid:to make everyone happy enough to accept theYou have a mess if you mix the Part-A with the situation. Part-B of different adhesive systems.If it happens On true mismatches, enough performanceit is most likely junk, you may well have plugged questions can be generated that there are fewerup the cart or tool, and there is no way to find out ways to mitigate the situation.Remember a keyif the resulting adhesive will perform for the roof part of what is sold with a new roof is trust insystems expected lifespan.quality, durability, and performance.About theUse of a mix Coal Tar and Asphalt based products only practical way to reestablish a case of serious- something which sometimes happens out of broken trust is to: expediency is tricky, and general is prone toEnter into reworking the roof, includingbe a problem.In this one there are products replacing the incorrect work if needed. considered compatible enough for service work, and techniques that work okay in the field, butEnhance the performance of the roof by eitheryoure going to have a mess if you melt both types obtaining more paper-performance (perhapsof bitumen together.a longer warranty), or doing a bootstraps andBonding to (other) silicon materials - without braces upgrade of the roof installation. careful preparation many newly applied siliconAfter those choices about the only avenue ofmaterials struggle to gain long term adhesion to bringing everyone together to accept the roof isold weathered cured silicon, and many materials economic. have a problem bonding to old silicon at all.Some best practices different contractors haveTrying to heat-weld or adhesive bond to fully cured reported as important to minimizing the potentialthermoset membranes.Typically, a call to patch for Material Incompatibilities are: a cured Hypalon roof system. Simply welding new Get your submittals and warranty applicationPVC or TPO to the old Hypalon wont result in a submission in early, and get them APPROVEDlong-term weld.Gluing or taping to it is a problem before buying & installing the roof. due to the dusting and adhesion-resistance of Make sure your field team received ONLY thethe old membrane.There are some techniques appropriate materials, that they are operating fromand specialty repair materials that perform better the right construction documents & plans, and thatbut repairing/altering an old Hypalon roof is your quality assurance inspections make sure youtroublesome.have the right materials in your installation.Some pro-tips on common issues:www.mrca.orgMidwest Roofer 25'