Baumit STR U Plugs are polystyrene plugs to cover screw heads and provide an effective thermal layer within a building insulation system. Provided in boxes of 100, the plugs are a necessary finishing touch for high thermal performance. Baumit STR U Plugs form part of the STR U counter sink and capped fixing range. Other products include STR Fixings, STR Plugs and STR U Drill Attachments. Together they provide the complete thermal insulation fixing kit for building facades. Baumit STR U Plug features include: Suitable for 135mm length anchors. Designed to complement STR fixings for maximum thermal performance. Supplied in convenient boxes of 100 pieces. Quick and easy to use. Very cost effective. Typical use of Baumit STR U Plugs Baumit STR U Plugs are the finishing touch of your building fa§ade fixing. They are built to work seamlessly with Baumit STU fixings, EPS-F insulation panels, mineral wool panels, rondelles and other fixing systems. While easily overlooked, they are an integral part of system performance and should not be ignored. Ideal for passive or high performance homes, the thermal layer provided by these plugs ensures maximum performance from your Baumit insulation system.