L&H Structural Engineering - Custom Basement Solutions for Support Posts & Beams We have come across extremely unnerving findings that are affecting hundreds of homes in Maine and across New England. Old basement support posts and lally columns, the structures that hold your home up, are rotting and rusting away. Housing supports are not meeting Maine state building codes. It is a serious structural and safety threat to you and your home. We are taking action to address this large-scale issue before homes start collapsing and people are seriously injured.