I can see your house from here

[FamilyWiggs]

"Corrugated iron" / "Wrinkly Tin". Truly the Marmite material in the world of old buildings!

Yup. I don't like Marmite, either.

Why would anyone put Marmite on their roof?

 

[Feltwell]

Easy. To keep the heathens who don't like Marmite away. :wink:

 

[Penners]

"Corrugated iron" / "Wrinkly Tin". Truly the Marmite material in the world of old buildings!

Yup. I don't like Marmite, either.

Why would anyone put Marmite on their roof?

Well, it's certainly not fit to be eaten. Maybe it has waterproofing properties.