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Hi, I was wanting to seal up the windows on the outside to try and minimise drafts coming in. Would normal no more gap work for this or would I need some kind of more heavy duty filler given the gap size?
Welcome to the Bunnings Workshop community @Williamh12. It's terrific to have you join us, and many thanks for your question about filling gaps in bricks.
You can certainly use a filler for this job, and I recommend you choose one of these, which are specifically designed to fill gaps in bricks and mortar. For the larger gaps, you might like to push in some filler rod first to prevent excessive product usage. Once the filler rod is in place, a few millimetres below the surface, you can fill over it with the gap filler.
Please let me know if you have any questions.
Mitchell
