Technical Below you will find some useful technical documents. Technical Bulletins Technical Bulletin 112 Snap Clad minimum slope Technical Bulletin 117 slopes less than 2-12 for FBC Technical Bulletin 118 Min. Slopes for Metal Roofing Technical Bulletin 121 Salt Limitations Technical Bulletin 133 FBC code change Technical Bulletin 134 Quality Assurance Technical Bulletin 145 - Class A Fire Barrier in FL Technical Bulletin 162 - Upgrade Assembly Gauge MCA Technical Bulletin: Lightning Strikes MCA Technical Bulletin: Dissimilar Metals MCA Technical Bulletin: Portable Rollformer Best Practices Installation Instructions FRSA Article & Technical Advisory on Sealed Attics NRCA’s Roof Wind Designer Website (click here) PAC Fire Directory Oil canning documents NRCA Oil Canning position paper MCA Oil Canning Technical Bulletin MCA Oil Canning Article 2020 Oil canning article - Metal Roofing magazine PAC Oil Canning Waiver SMACNA on Oil Canning Cleaning Instructions Maintenance Data For Steel Galvalume Plus Maintenance Data For Steel Kynar Metal Cladding Maintenance Data For Aluminum Kynar Metal Cladding