Roof Assemblies

Asphalt Shingle Nailing Requirements Under IRC 2018

How many nails are required for asphalt shingles by code?

R905.2.6

Drip Edge Requirements Under IRC 2018

Is drip edge required by IRC 2018?

R905.2.8.5

Ice Barrier Requirements for Roofs Under IRC 2018

When is an ice barrier required on a roof?

R905.2.7.1

Minimum Roof Slope for Asphalt Shingles Under IRC 2018

What is the minimum roof slope for asphalt shingles under IRC 2018?

R905.2.2

Re-Roofing Over Existing Shingles Under IRC 2018

Can you put new shingles over old shingles under IRC 2018?

R907.3

Roof Covering Requirements Under IRC 2018

Does the IRC require a roof covering on every dwelling?

R903.1

Roof Drainage Requirements Under IRC 2018

Does the IRC require gutters or roof drainage?

R903.4

Roof Flashing Requirements Under IRC 2018

Where is roof flashing required by IRC 2018?

R903.2

Roof Valley Flashing Requirements Under IRC 2018

What does code require for roof valley flashing?

R905.2.8.2

Roofing Underlayment Requirements Under IRC 2018

Is roofing underlayment required by IRC 2018?

R905.2.7