I thought I would share some information on suspended slabs with you.
We are starting to see quite a few suspended slab garages in the Okanagan - it's great way to add extra space in the basement underneath. As we all know, the concrete floor in a garage usually cracks during the curing process and usually these small cracks are innocuous and don't cause any harm. However, with a suspended slab these small cracks can let water through to the room underneath. Car comes in with snow on it, it melts, runs down through the crack to the space below.
Depending on how the room below is finished there maybe damage hidden in the ceiling from years of water slowly dripping through. It will take either time or a lot of water all at once before it appears on the basement side of things and this can be hard to detect during our dry season.
Something to keep in mind when you are showing property or listing a house with a suspended slab. If you see lots of cracks in the garage floor some further investigation is probably worthwhile to ensure there is no damage to the structure underneath and a plan to have the cracks sealed would be prudent. If you know someone who is building a house with this feature - recommend they have the garage floor sealed from the get go and let them know that if they see any cracks they should be addressed before any water has a chance to ingress
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