Hello, first post, wondering if someone can help me with some advice:
I'm not an experienced DIY'er at all, and am confused about my options to seal a gap I have between my wooden sash window frame and the exterior brick wall (the edges I would be sealing are mortar or concrete I think!).
There are plenty of caulk options out there that I can find but the problem is that the gap between the window and the wall ranges from about 3mm to about 10/15mm in a few places which is too wide to fill with silicone caulk?
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