Quote Originally Posted by travajante View Post
I personally never wish to do periodic maintenance call-backs. I will never do gutters w/in firewalls, nor firewalls w/o longspan cladding.
Waterproofing mentioned will need a lot of luck, would almost always fail & require periodic reapplication. I'd rather humbly decline such work.

Sent from my SM-S901E using Tsikot Forums mobile app
reminds me of our firewall.
nothing paint-able or spray-able worked for long.
we finally tacked in flat GI sheets. wala pang longspan cladding, back then.
after over 40 years, it still hasn't re-leaked.