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In single-family homes, heat losses through the roof can account for up to 25% of all heat losses. Such high losses are the main reason why it is necessary to provide energy-saving insulation of the attic with wool. It is worth remembering this at the stage of construction, insulation and renovation of the house. Analyses of heating costs clearly show that it is worth insulating all building partitions. It is necessary to insulate not only to meet the minimum thermal standard of partitions, but above all to save on heating costs. Table of contents: 0:05 - Description of the solution - two-layer insulation with a gap under the OSB board 0:32 - making a ventilation gap 1:03 - installing hangers to the rafters 2:37 - Installing the first layer of insulation between the rafters 6:30 - Installing the second layer of insulation under the rafters 11:00 - installing the vapour barrier 14:26 - installing plasterboards The ROCKWOOL standard for attic insulation is a total of 30 cm in two layers. Solutions: Attic insulation with rock wool http://bit.ly/2neSMdp Products: TOPROCK SUPER http://bityl.pl/c5ELS SUPERROCK http://bityl.pl/f3tBg TOPROCK PREMIUM http://bityl.pl/zbD0D SUPERROCK PREMIUM http://bityl.pl/VO1Yl TOPROCK PLUS http://bityl.pl/Mz7T3 ROCKMIN PLUS http://bityl.pl/2ngy64L ROCKTECT Intello Climate Plus vapor barrier http://bityl.pl/7MwbK ROCKTECT TWINLINE adhesive tape http://bityl.pl/SLr3y ROCKTECT MULTIKIT glue http://bityl.pl/89oPt Products available in DIY stores: ROCKROLL SUPER http://bityl.pl/2njrfrA ROCKSLAB SUPER http://bityl.pl/5kjBz ROCKROLL PLUS http://bit.ly/2njrtyW ROCKSLAB PLUS http://bit.ly/2nivxPZ ROCKWOOL POLSKA: https://www.rockwool.com/pl/ Facebook: https://www.facebook.com/ROCKWOOLPolska/