Building Codes

Protecting Foundations From Frost

Code-offered alternatives to digging below the frost line.
7 Common Fireblocking Locations

Builder Mike Guertin outlines fire-safety code requirements and suggests acceptable fireblocking and draftstopping methods and materials.
Glass in Wet Spaces

Rules for protecting occupants from injury in slippery locations.
Why Is Indoor-Air Pollution Largely Unregulated?

Pollutants are all around us, but regulation of air quality largely stops at the front door.
Maximize Insulation in Minimum Headers

Alternative code-approved header designs for better energy performance.
A Mess by Design: Intentionally Restricted Plumbing

When following the code causes a disruption or a drip, it's helping to avoid bigger problems down the road.
Rules for Rooftop Solar

Solar PV now has a solid footing in the residential market, and the building codes have caught up—here's what you need to know.
The Laundry Wall Laundry List

With the complicated arrays of wires, ducts, and plumbing pipes they conceal, laundry room walls are common places for building code violations.
The Complicated Path From Decking to Dirt

Code expert Glenn Mathewson takes a closer look at the evolving code provisions for deck boards, joists, beams, posts, and foundations.
Widening Deck Stairs

A skilled carpenter offers advice for framing a safe and code-compliant staircase when renovating an existing elevated deck.

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