Help Needed on How to Seal Window Frame to Brick / Concrete Post questions and find answers on glazing, double glazing, upvc glazing, conservatory glazing, fixtures and fittings etc....

[Diynoob]

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?

Any help at all would be gratefully received!

Thanks.

[stoneyboy]

Hi diynoob,
Buy or better still borrow some expanding foam for the larger gaps. Once set, trim and use silicone caulk to give a neat finish.
Regards S.