The last remnant of the West Roman Empire was conquered in 486 when Clovis defeated Syagrius who had ruled over northern Gaul. That part of the Frankish kingdom would be called Neustria (the New Land) as opposed to Austrasia (the Eastern Land), which was the original core territory of the Franks.
Grab bar mounting brackets made specifically for fiberglass installation have discs that safely distribute the weight of a person and prevent the fiberglass from cracking. By attaching the brackets to wall studs with bolts, you ensure that the grab bar will not pull out from the tub or shower wall when in use.
Use dovetail anchor slots in new concrete structures and walls and in precast concrete. Slots are nailed to the concrete form before pouring concrete using each indented nail hole provided in the bottom of the dovetail channel. Slots are provided with foam filler to prevent concrete from entering the slot during the pour.