Know the Code

Outdoor Lighting
Lighting up an exterior isn't just about ambiance— it's also about code compliance. Here is what the code says about safety and efficiency when it comes to outdoor lighting.
Hazard-Free Hot Tubs
The electrical hookup is only one part of the equation; when installing a hot tub, there are a number of key requirements to keep in mind.
The Right Spots for Smoke Alarms
Learn the specific guidelines for location, spacing, and clearance for optimal safety.
Stairway Basics
The safety of stairs is directly related to how the occupant uses them, so the safety features related to stairs in the building codes are also related to the user.
How Far Can Deck Joists Cantilever?
There is no generic 2-ft. rule. Use the code tables to dial in joist spans and overhangs based on accurate engineering.
The What and Where of Fireblocking
The code requires installing an approved material to slow the spread of fire between floors and adjacent vertical and horizontal cavities — here are the allowed materials and required locations.
Code-Compliant Landings for Exterior Doors
Get the specifications you need to install stairs, porches, decks, and more to provide a safe, comfortable means of egress that meets building codes.
The Performance Paths to the Energy Codes
By considering things like energy-efficient mechanicals, window orientation, and renewable energy sources, homes can be evaluated to meet the energy codes. Here's what the IRC has to say.
The Prescriptive Paths to the Energy Codes
Whether you calculate maximum assembly U-factors or insulation minimum R-values, there is more than one way to reach the IRC's energy-efficiency requirements.
Minimum Dimensions in the IRC
Learn about the minimum size requirements for homes according to the IRC, including habitable rooms, hallways, and ceiling heights.

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