Dkun, Raven makes a spring loaded pivoting weather seal for door bases. When installed it effectively seals against anything, and the only way water could enter would be via…

I'd just be backfilling the trench with coarse river sand. You could return some of the dirt to the hole first and then top with river sand. Water so…

Double glazing in Oz generally has the outer frame of the window as aluminium and the inner frame of timber so that the heat or cold is not transmitted inside.…