Things (About my House) I Never Wanted to Know


FOUNDATION-TO-FLOOR BEAM CONNECTIONS:  … and other things I could have gone my whole life without knowing and never missed it. Here’s the scoop: A sill plate is a lining of pressure-treated wood that is secured to the top of a foundation wall before a house is either build up (most scenarios) or lowered back down onto it  in the case of a house elevation. It looks like this:

Flood Savvy

Sill plate: the little piece of lumber atop the foundation wall.

PRECISION FRAMING: Ideally, your house would be level and square all the way around, providing a seamless transition between the house, the sill plate and the foundation.

Flood Savvy

Good: Foundation – sill plate – house frame all secure without any gaps.

SHIMMING THE SILL PLATE: If the house is uneven (not ‘square’) there will be gaps between the house and the sill plate as shown below:

Flood Savvy

Bad: All kinds of wrong

If the house is supported in some spots, but not in others, that’s not good. Enter the shim …

Shims are used to fill in any gaps. It’s a common practice and can be applied successfully. They should be made from a strong material such as metal or pressure-treated wood. Using whatever is handy at the time, like a scrap of wood or a crumbled up receipt from your pocket, is a big no-no. Anything marginally soft will be crushed by the house like a fat man sitting on a fragile chair and shifting will occur.

WHERE THINGS GO WRONG: In the picture above you can see where shims were installed in the back corner – see how the house is pushed up in that area and not sitting on the sill plate? My kitchen sits right above this area and the floors, cabinets, granite counters, etc. are all bulging out or pulling away from their frame. Ugh!

Could a proper calculation on the part of the masonry team have avoided this issue? Maybe. Was jamming random scraps of wood into any gap a bad idea? Definitely. The “fix” will require a slight re-jacking up of the house in this location to properly shim it.

Useful tips about your home that will come in handy the next time you elevate your house or lack witty banter at your next cocktail party.

Thoughts?

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