Column Extenders to Meet Uplift Requirements
In most instances, Perma-Columns will need to meet wind uplift requirements – the ability of your structure to remain attached to the soil profile. There are two ways to achieve this – both methods using the pre-cast hole in the bottom of the Perma-Column.
1. A concrete collar attached by means of either a piece of rebar through the Perma-Column or a bolted on column extender. ... Read More