Bricks with holes in them in a greenhouse

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Leif
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Bricks with holes in them in a greenhouse

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I’ve almost finished the base for my greenhouse. There’s a concrete footing with a mini wall of engineering bricks. The green house rests on the bricks, with a small overlap at the edge, thus it is watertight. The bricks have three holes in them, as seen in the photo. Normally these need to be covered, to prevent water collecting and freezing in winter, but in this case they will be inside the greenhouse. Is there any reason to fill them with mortar, rather than leave them as is?

I am tempted to fill them.
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Someone-Else
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Bricks with holes in them in a greenhouse

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Leif wrote: Wed May 22, 2024 7:42 pmIs there any reason to fill them with mortar, rather than leave them as is?
Yes, if you don't, they will accumulate all sorts of stuff that you will later clear out and wish you had filled them in, in the first place.
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Leif (Thu May 23, 2024 7:43 am)
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Leif
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Bricks with holes in them in a greenhouse

Post by Leif »

Someone-Else wrote: Wed May 22, 2024 9:44 pm
Leif wrote: Wed May 22, 2024 7:42 pmIs there any reason to fill them with mortar, rather than leave them as is?
Yes, if you don't, they will accumulate all sorts of stuff that you will later clear out and wish you had filled them in, in the first place.
I think you’re right. Wood lice and slugs would like those holes.
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