I emptied a whole can of wasp foam into my loft rafters just to be rid of the nest before the weekend: watching the cloud drift, I understood what those little round lights were doing above the insulation
While treating a wasp nest in the loft rafters, buried recessed lights revealed a hidden fire hazard. The combination of flammable insecticide residue and non-IC rated fixtures running hot under insulation creates a dangerous situation many homeowners overlook completely.