Dublin-based home insulation company specialising in external wall insulation, dry-lining, cavity wall, attic and roof insulation across Dublin, Kildare, Meath & Wicklow. SEAI registered and NSAI/CIF accredited, OSBER helps homeowners improve BER ratings, reduce heating bills, and access SEAI grants with expert insulation, ventilation, heating, windows, and solar panel solutions. read full review »