[ Overview ](/en/products/windows/masterline-8/high-insulationplus) [ Technical information ](/en/products/windows/masterline-8/high-insulationplus/technical-info) [ Downloads ](/en/products/windows/masterline-8/high-insulationplus/downloads) Open tab menu *MasterLine 8*# High Insulation+ ![MasterLine 8 HI+](/sites/default/files/public/styles/product_header/public/inriver/images/114156_DSC09030.jpg?h=d73728dc&itok=KxOzF0v3) ![ES 50 Smoke & Heat Evacuation](/sites/default/files/public/styles/product_header_lifestyle/public/inriver/lifestyle_image/103464_REYNAERS_6.jpg?h=d5669647&itok=qFvsvws4) MasterLine 8 can do it all. The high-quality aluminium window series offers reliable performance, versatile design options, and a wide range of functional applications. The High Insulation + variant offers the best thermal performance in this series. ###### Need help? Search and compare products [ Get started ](/en/products-0?f%5B0%5D=product_group%3A493&f%5B1%5D=variant_type_variants%3A9849&f%5B2%5D=variant_type_variants%3A9850&f%5B3%5D=variant_type_variants%3A9855&s=MasterLine%208%20HI%2B "Get started") - ![Our flagship window system with a strong pedigree](https://www.reynaers.com.tr/sites/default/files/public/inriver/icons/116841_Performance.svg) Our flagship window system with a strong pedigree - ![High Insulation + performance, suitable for low-energy projects](https://www.reynaers.com.tr/sites/default/files/public/inriver/icons/116837_Energy.svg) High Insulation + performance, suitable for low-energy projects - ![Clean look tailored to your needs](https://www.reynaers.com.tr/sites/default/files/public/inriver/icons/116846_Design.svg) Clean look tailored to your needs ## Technical details ### Thermal Insulation - **Passive** - Uf = 1.3 W/m²K ### Air-Water-Wind - **Extreme** ### Acoustics - **High** - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134824_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0006.png?itok=7pFQvQRG) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134825_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0007.png?itok=1rw1LkCo) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134826_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0008.png?itok=aUfYrprP) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/images/134827_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0009.png?itok=2YNHax9U) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134834_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0010.png?itok=vceMEeCO) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134835_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0011.png?itok=sXZTLRt0) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134836_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0012.png?itok=If1nAcGz) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134837_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0013.png?itok=5XDkuLIQ) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134838_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0014.png?itok=AYgyr83m) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134839_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0015.png?itok=-Tdxvrbx) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134840_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0016.png?itok=ATWZ31QN) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134841_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0017.png?itok=0k_iD8pt) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134842_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0018.png?itok=sSfjgCYB) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134843_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0019.png?itok=lDQsbmzJ) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134844_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0020.png?itok=Hs9nX-4W) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134845_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0021.png?itok=Cpp_LQAk) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134846_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0022.png?itok=JIHxs3fL) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134847_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0023.png?itok=VNmY1ang) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134848_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0024.png?itok=DfTXqlOh) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134849_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0025.png?itok=ephFIm7P) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134850_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0026.png?itok=PPl73O6D) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134851_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0027.png?itok=yv1n8KR9) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134852_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0028.png?itok=VwCZERrM) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134853_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0029.png?itok=om_3CPH3) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134854_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0030.png?itok=-ZTA3DtH) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134855_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0031.png?itok=Vx9KBueh) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134856_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0032.png?itok=IAeP_UWk) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134857_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0033.png?itok=OpmEUB5P) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134858_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0034.png?itok=p5drXBuS) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134859_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0035.png?itok=i52B6qjR) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134860_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0036.png?itok=bJe6t1sp) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134861_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0037.png?itok=oDF2cWe1) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134862_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0038.png?itok=TIExwhWt) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134863_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0039.png?itok=nbmKXoTM) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134864_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0040.png?itok=iYxcek04) - ![MasterLine 8 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/134865_inva-003996__ML_8_-_WINDOW_HIDDEN_VENT_HI__INWARD_OPENING_corr2_Final_Render_0041.png?itok=xmTqNPvT) ### Height Vent - Min 600 mm - Max 2800 mm ### Frame-Vent Width Open Out - Min 116 mm 360° [ Full specifications ](https://www.reynaers.com.tr/en/products/windows/masterline-8/high-insulationplus/technical-info) ## Product options Personalise MasterLine 8 High Insulation+ with the following options ![Concealed Hinges](https://www.reynaers.com.tr/sites/default/files/public/inriver/icons/116964_Concealed%20Hinges.svg)### Concealed Hinges The details are the design, concealed hinges are the finishing touch ![Concealed Drainage](https://www.reynaers.com.tr/sites/default/files/public/inriver/icons/116963_Concealed%20Drainage.svg)### Concealed Drainage No more plastic cover caps, enjoy those clean lines ![Flyscreen](https://www.reynaers.com.tr/sites/default/files/public/inriver/icons/116983_Flyscreen.svg)### Flyscreen Enjoy cool summer evenings, without losing sleep ![Balustrade](https://www.reynaers.com.tr/sites/default/files/public/inriver/icons/116979_Balustrade.svg)### Balustrade Safety can equal beauty ![Motorised](https://www.reynaers.com.tr/sites/default/files/public/inriver/icons/116982_Motorised.svg)### Motorised Comfortable to use, even remotely ![Glass Corner](https://www.reynaers.com.tr/sites/default/files/public/inriver/icons/116978_Glass%20Corner.svg)### Glass Corner Glass to glass connection without profiles obstructing the view The available options depend on profile and configuration choices. Please contact your Reynaers Aluminium representative. ## Labels & Certifications - ![Cradle to Cradle Bronze](https://www.reynaers.com.tr/sites/default/files/public/inriver/icons/144484_C2C_full_scope_bronze_version%205.0_rgb.svg) ![DigiTrace step 4](/sites/default/files/public/styles/cta_block_left/public/2023-12/Reynaers%20Aluminium-DigiTrace_35.jpg?h=b5e777bf&itok=gD2ORvzx) Effortless access to your element’s digital product passport ## DigiTrace A unique element identifier provides you with a wealth of information in a matter of seconds, eliminating the need for any manual search. A quick scan allows immediate access to all system and technical details specific to your element as well as to documentation, certificates and contact details of your fabricator. [ Discover more about DigiTrace ](/en/digitrace "Discover more about DigiTrace") ![DigiTrace](/sites/default/files/public/styles/cta_block_right/public/2023-12/Reynaers%20Aluminium-DigiTrace_38.jpg?h=b193cbc8&itok=brhyrck7) Effortless access to your element’s digital product passport