Foundations

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Slab Foundation for Cold Climates: Calculating Gravel
Gravel is usually sold by the ton, and it weighs about 1.5 tons per yard. Simply calculate the cubic yards of gravel needed and divide that by 1.5 to determine the tonnage. Gravel orders are approximate; expect to receive and to pay for a bit more than you order.
Convert Two Short Loads of Concrete into One
For small projects, you can save time and money if you form and pour all the concrete at once.
Footing and Foundation in One Pour
Why pay the upcharges and spend the extra time on a small job when you can convert two short loads of concrete into one regular load? We explain how to do this, while also giving you better ways to strip forms, lash together vertical and horizontal rebar, and keep the concrete where it belongs: in the forms. This article details the entire process of filling the footing and foundation in one pour.
What to Do About This Damaged Concrete-Block Foundation
Would you build a house on this foundation? An FHB reader from Alabama shared these views of her foundation with the damaged section before and after repairs.
How to Form and Pour Foundations
All sorts of aggravating problems crop up during construction when foundation work is sloppy. In this article, the authors explain how to get it right, covering wall layout, form assembly, placing concrete, and stripping forms when the job is done.
Final Prep Before the Pouring Foundations
Before the concrete trucks arrive, strings are stretched as guides for straightening the walls. The top of the foundation is found with a transit, and chalklines are snapped at that level. Basement-window frames are inserted and tacked to the forms, and form-release oil is applied to the inside of the forms.
Assembling Concrete Forms
Forming starts in a corner that uses a right-angle form for the inside and special brackets for the outside. Slotted rods that slip over Ts hold the forms apart at the right wall width, and tapered pins, or wedges, through the Ts hold adjacent panels together. Bracing keeps the walls plumb during the setup and pour.
Forming and Pouring Footings
Foundations hold up the house, hold back the earth, and keep out the water. If they're not level and square, you may end up custom-cutting every rafter.