Glenn Mathewson

Glenn Mathewson is a certified code professional and a building inspector for the City of Westminster, Colo., and a frequent presenter at JLC Live.

Glenn Mathewson's Posts

Weight of Concrete Footings Weight of Concrete Footings

Prescriptive foundation sizing guidelines are based on bearing area and don’t account for the weight of the concrete used to form deep footings and piers. But should they? Read more

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Rules for Drilling and Notching Deck Framing Rules for Drilling and Notching Deck Framing

Following these simple guidelines when modifying joists, beams, and posts will prevent structural problems later on. Read more

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DCA 6 Update DCA 6 Update

New provisions in the 2012 IRC lead to important changes in this popular deck design guide Read more

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Building a Deck Above an AC Compressor

Provide enough clearance for the unit to operate properly and to allow workers to safely access it for maintenance and repair Read more

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Decay Resistance and the Code Decay Resistance and the Code

Using decay-resistant lumber, field-treating cut ends with preservative, and providing adequate airflow are all ways to help prevent wood decks from rotting. But when are they required by code, and when are they a good idea even if not required? Read more

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