On 14/04/2021 16:57, Brian Gaff (Sofa) wrote:
as its a metal frame you are fine, my first ever attempt at that on a
wooden frame resulted in a chipped chisel on a hidden nail.
Brian


I can remember glass going "ping" when using a blowtorch.

This was on first purchasing a house that, according the estate agent
speak, had many period features. What they really meant that it required
major refurbishment but at the time I didn't have the money and DIY was
the only option including trying to rescue rotten window frames complete
with flaking paint

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