It was somewhere outside Barstow when "clueless2" no.spam wrote:

Just had a call from a travelling salesman regarding cleaning my roof and
"proofing" it. Is this a scam or something worth doing?

That depends on you, your attitude towards Lego, and whether you ever
wanted to live in a house that looked like it was made from it.

Of all the ways that roofs fail, having the tiles themselves start to
crumble isn't the biggest risk around.