Loading...
HomeMy WebLinkAboutFile Documents.210 S 1st St.0281.2017 (27).ARBK ESR-2053 I Most Widely Accepted and Trusted Page 3 of 4 TABLE 1—ROOF CLASSIFICATION OF ASSEMBLIES INCORPORATING VERSASHIELD°FIRE-RESISTANT ROOF DECK PROTECTION ROOF COVERING2 SUBSTRATE UNDERLAYMENT1 ROOF MAXIMUM CLASSIFICATION SLOPE Class A asphalt glass fiber shingle 15/3rinch plywood One layer VersaShield° A Unlimited Stone coated,steel,direct to deck, is/3rinch plywood or 0.013-inch thickness(0.330 mm), spaced sheathing One layer VersaShield° A Unlimited shingles or panels One layer VersaShield°,and 15/32 inch plywood or Steel direct to deck,0.013-inch spaced sheathing one layer Type 30 asphalt • A Unlimited thickness(0.330 mm),shingles or saturated organic felt panels 15/32-inch plywood or One layer VersaShield° B Unlimited spaced sheathing 75132-inch plywood or One layer VersaShield° A Unlimited spaced sheathing Existing wood shakes or Steel over battens,0.013-inch shingles installed over Two layers VersaShield° A Unlimited thickness(0.330 mm),shingles or spaced or solid sheathing panels Existing wood shakes or shingles installed over One layer VersaShield° B Unlimited spaced or solid sheathing Steel,0.016-inch thickness(0.406 15/3rinch plywood or ° mm),panels or standing seam spaced sheathing One layer VersaShield A Unlimited system 1'/3rinch plywood or One layer VersaShield°,and spaced sheathing one layer Type 30 asphalt A Unlimited saturated organic felt Existing wood shakes or shingles installed over Two layers of VersaShield° A Unlimited Copper,0.016-inch thicknPcc(0.406 spaced or solid sheathing mm),shingles or panels t5/3rinch plywood or ° spaced sheathing One layer VersaShield B Unlimited Existing wood shakes or shingles installed over One layer of VersaShield° B Unlimited spaced or solid sheathing 15/32-inch plywood or Two layers VersaShield° A Unlimited spaced sheathing Aluminum,0.018-inch(0.457 mm), 15/3rinch plywood or One layer VersaShield° B Unlimited shingles,panels,or standing seam spaced sheathing system Existing wood shakes or shingles installed over One layer VersaShield° B Unlimited spaced or solid sheathing t5/32-inch plywood Two layers VersaShield® A 11/2:12 TPO,CSM,CPA,EPDM,cap sheet, 15/,-inch plywood, ° or modified bitumen single-ply insulation Two layers VersaShiel,d A I 11/2:12 membranes 15/32-inch plywood One layer VersaShield° B 17/2:12 75/32-incih plywood Two layers VersaShield° A 2:12 PVC single-ply membrane 75/3rin io plywood, Two layers VersaShield° A 11/2:12 insulation 15/32-inch plywood One layer VersaShield® B 11/2:12 For SI: 1 inch=25.4 mm. 1Underlayment must be installed in accordance with Section 4.0 of this report. 2Roof coverings must be recognized in a current 1CC-ES evaluation report.The roof covering must comply with the Class A or B flame-spread requirements of UL790(ASTM El 08),as applicable to the systems defined in this table. RECEIVED 11/02/2017 ASPEN BUILDING DEPARTMENT