Caulking windows: A quick DIY guide to help seal windows

Person using caulking gun to caulk window
(Image credit: Getty Images)

Caulking windows is a similar process to caulking other areas of the home such as skirting boards. There is definitely an art to it and one that most DIYers should be able to master pretty quickly. 

The difference when doing windows is that you will be working inside and out. This means you will need to make sure that you are choosing the right caulk or sealant when caulking your windows.  

Here we give you a straightforward guide on how to prep, apply and choose the right caulk and sealant for the job. 

Steve Jenkins

Steve Jenkins is a freelance content creator with over two decades of experience working in digital and print and was previously the DIY content editor for Homebuilding & Renovating. 

He is a keen DIYer with over 20 years of experience in transforming and renovating the many homes he has lived in. He specialises in painting and decorating, but has a wide range of skills gleaned from working in the building trade for around 10 years and spending time at night school learning how to plaster and plumb.

He has fitted kitchens, tiled bathrooms and kitchens, laid many floors, built partition walls, plastered walls, plumbed in bathrooms, worked on loft conversions and much more. And when he's not sure how to tackle a DIY project he has a wide network of friends – including plumbers, gas engineers, tilers, carpenters, painters and decorators, electricians and builders – in the trade to call upon.