Lakewood Colorado Roofing Codes
The Lakewood Colorado roofing codes are listed here. The current energy code is based on 2009 requirements. There is a class G or H wind speed rating requirement for new roofs installed in Lakewood.
Information Updated On
8/22/18
Building Department Phone
303-987-7500
Inspection Line
303-987-7768 ext 101 for re-roof final inspection or 62 for mid-roof inspection.
Fax Line
303-987-7979
Current Building Code
2009 IBC/IRC
Current Energy Code
2009 IECC
Requires a Building Permit
Yes
Minimum sustained wind speed rating for Asphalt Shingles
100 MPH sustained/120 MPH 3 second gusts
Other wind speed rating
Class G or H
Inspectors carry ladders for the final
A safe ladder secured to the roof must be provided to all roof inspections where the eave line is greater than 10’ above the ground.
Requires midroof (in progress) inspection
Yes, for tile or metal roof systems after felt, flashing, and battens are installed but before final roof covering is installed.
Maximum number of layers of asphalt shingles permitted
Single layer only permitted
Maximum number of layers of flat roof material permitted
Single layer only permitted
Requires drip edge
Yes
Drip edge size minimum
2 x 2, 2 inches on deck and ¼ inch below decking
Requires Rake/Gable metal edging
Yes
Enforces the use of Self Adhering Underlayment (i.e., Ice & Water)
No
Underlayment required 2:12 up to 4:12
Double layer of roof felt is required. Ice and water shield may be used in lieu of one layer.
Type of valleys allowed
Both
Valley Underlayment/Material required for closed valleys
Either
Valley Underlayment/Material required for open valleys
Either
Kick-out required on Step Flashing
Yes
Requires ventilation to meet building codes
Yes