Browse Forums Building A New House it depends on the natural ground level, if they excavated their boundary wall needed to be built as a retaining wall. If you filled, which sounds like the case then you… 1 5082 I know foam has been around since the 90's and CSR started manufacturing Hebel in 1989, so it's definitely possible 5 4123 can’t tell from the photo, a tie down rod will be 12mm, is it a steel beam? he should be able to work it out 1 3375 |