How to excavate, lay out, and pour concrete pier foundations.
Unvented roofs in northern climates are prone to ice buildup, but how do you ventilate a valley or hip rafter in a cathedral ceiling? And what do you do at a skylight, where the headers block the vent chutes? A snow-country builder describes the venting methods that have worked for him at these and other tricky spots.
For decks and small additions, concrete piers are an affordable and sturdy alternative to footings and frostwalls. A veteran contractor shares tips and techniques on how to excavate, lay out, reinforce, and pour pier foundations with tube forms.