use butterfly wall fixings, single m4 fitting will hold up to 35kg and what bigger fixing you use that stronger they are.
Butterflys are de strongest drywall fixings available far as i know.
DemoMaas Reviewed by DemoMaas on . how to install grow lights? For my future grow site there are no studs in the upper part of the house the guys who remodeled the upstairs put one piece of drywall and didn't think about replacement of the studs so now Im wondering if there is a way for me to install my light hangers in the drywall. Or has anyone else had this problem any help would be great the lights are 2 250 Watt hps of it matters. Rating: 5