Kaysville City will start requiring Building Permits for all roofs requiring a tear off of the old roofing, starting January 1st 2020.
Ice barriers are required in Kaysville City as described in R905.1.2 of the IRC:
“…an ice barrier shall be installed for asphalt shingles, metal roof shingles, mineral surfaced roll roofing, slate and slate-type shingles, wood shingles and wood shakes. The ice barrier shall consist of not fewer than two layers of underlayment cemented together, or a self-adhering polymer-modified bitumen sheet shall be used in place of normal underlayment and extend from the lowest edges of all roof surfaces to a point not less than 24 inches inside the exterior wall line of the building. On roofs with slope equal to or greater than eight units vertical in 12 units horizontal, the ice barrier shall also be applied not less than 36 inches measured along the roof slope from the eave edge of the building.”
Kaysville City requires drip edge in accordance with IRC R905.2.8.5 Drip edge.“A drip edge shall be provided at eaves and rake edges of shingle roofs.”
R905.2.1 Sheathing requirements."Asphalt shingles shall be fastened to solidly sheathed decks.”
“Solidly sheathed” is interoperated to mean sheets of plywood or OSB with no more gap than required by the manufacture.