Forum Title: gable stone window sill cracked
It's either a very rough cement or roughly-cut (lime)stone window sill that is under the gable window in the attic. It's cracked lengthwise, so the outer portion might eventually threaten to fall off onto my porch roof. (It still feels solid, the crack is <1/4 wide but surely will get worse with any more freezing winters). How to fix? What can I do if I cant fix it til spring?
Category: Windows & Doors Post By: SARAH GONZALEZ (Laredo, TX), 01/18/2019

Allow me to be the first to say that this post (mine, not ours) is probably totally worthless, except that I though it might jog someone else's memory. Anyway, your description and pictures reminds me of a product that 3M used to make, and I might be thinking back 30 years ago, so don't know if it's still available. It was strips, maybe 10-12 long by maybe 3/8 wide by 1/4 thick, came in a box something like 1-1/2 by 6 by 10-12, and the strips were laid on cellophane or whatever, stacked 4-6 deep. As I recall, it was for automotive and RV windows, and you would press the strips into the frame and then press the window into the strips. The strips were soft and pliable, so you could shape or rip them to length with your fingers, but they held their shape until compressed, not runny like tar or whatever, and I think they came in a light gray and a charcoal type gray. Again, can't be any more help than that, but that's sure what it reminds me of seeing.

- SUSAN M (Las Vegas, NV), 02/06/2019

Couple high angle shots from attic looking down onto sill: Thanks.

- DOLORES WONG (Longmont, CO), 02/14/2019

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