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Foundations & Footings

Questions about foundation types, frost line requirements, underpinning and structural support for additions

17 questions answered | Ask a free question

Should I test for radon under a new Ottawa addition?

Radon testing is absolutely something you should do before, during, and after adding to your Ottawa home — and the local context makes this more impor...

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How deep do footings go for an Ottawa addition?

Footings for a home addition in Ottawa must reach a minimum depth of 1.2 to 1.5 metres below finished grade — and in practice, most experienced local...

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How does Ottawa's Leda clay soil affect the foundation design for my addition?

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What type of foundation waterproofing do I need for an addition in Ottawa?

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Should I use helical piles instead of a poured foundation for my Ottawa addition?

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How do I protect a new addition foundation from frost heaving in Ottawa?

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Is my existing foundation strong enough to support a second storey in Ottawa?

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55 views

What is the best foundation type for a sunroom addition in Ottawa's freeze-thaw climate?

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Can I build an addition near the Ottawa River without flood zone foundation upgrades?

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Do I need weeping tile around a new addition foundation in Ottawa?

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What is frost-protected shallow foundation and can I use it for my Ottawa addition?

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How do I handle drainage around a new addition on Ottawa's clay soil?

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Should I install a sump pump in my new addition's foundation in Ottawa?

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Can concrete be poured for a foundation in November in Ottawa?

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46 views

Can I build an addition on a slab foundation in Ottawa or do I need a full basement?

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54 views

What is the frost line depth in Ottawa and how does it affect my addition foundation?

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How deep do footings need to be for a home addition in Ottawa?

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