[ Overview ](/products/windows/masterline-10/hidden-vent) [ Technical information ](/products/windows/masterline-10/hidden-vent/technical-info) [ Downloads ](/products/windows/masterline-10/hidden-vent/downloads) Open tab menu *MasterLine 10*# Hidden Vent ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/product_header/public/inriver/images/72082_Novotel%206.jpg?h=56d0ca2e&itok=fKL80LxA) ![MasterLine 10 Burglarproof](/sites/default/files/public/styles/product_header/public/inriver/images/68811_2015%20Musa%20Rotterdam%20%285%29.jpg?h=56d0ca2e&itok=mgVAbPqp) ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/product_header/public/inriver/images/132636_Reynaers-Aluminium-Render-035-Small.jpg?h=2c306eab&itok=6-T91ie6) ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/product_header_lifestyle/public/inriver/lifestyle_image/130801_Lifestyle_Haasdonk_modern_vrouw%20aan%20raam%20%C2%A9BAO-Architecten.jpg?h=37c46873&itok=iNmC0b6X) MasterLine 10 aluminium windows fit the building trends of today and tomorrow.The Hidden Vent is an openable element that looks like a fixed element from the outside, for more architectural symmetry and a clean look. ###### Need help? Search and compare products [ Get started ](/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%2010%20Hidden%20Vent "Get started") - ![Maximal daylight access via small sight lines and large dimensions](https://www.reynaers.co.za/sites/default/files/public/inriver/icons/116846_Design.svg) Maximal daylight access via small sight lines and large dimensions - ![Robust system with extreme weights up to 170kg](https://www.reynaers.co.za/sites/default/files/public/inriver/icons/116837_Energy.svg) Robust system with extreme weights up to 170kg - ![Suitable for low energy and passive buildings](https://www.reynaers.co.za/sites/default/files/public/inriver/icons/116846_Design.svg) Suitable for low energy and passive buildings ## Technical details ### Thermal Insulation - **Passive** - Uf = 0.94 W/m²K ### Air-Water-Wind - **Extreme** ### Acoustics - **Extreme** - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133811_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0006.png?itok=9ZlJT9wE) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133813_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0007.png?itok=ocLr-R_G) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133812_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0008.png?itok=P_YbT3Ox) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/images/133814_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0009.png?itok=_fk8alB8) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133819_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0010.png?itok=el0SOGtO) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133820_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0011.png?itok=NI0t9_2j) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133821_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0012.png?itok=m8s45xt0) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133822_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0013.png?itok=xmbKI8B2) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133823_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0014.png?itok=VUprleUH) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133824_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0015.png?itok=w-BERjqO) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133825_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0016.png?itok=ou1WgfxM) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133826_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0017.png?itok=LuIwVQbE) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133827_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0018.png?itok=5LHyDZlu) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133828_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0019.png?itok=osYB1goR) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133829_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0020.png?itok=RDy938zM) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133830_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0021.png?itok=ceR5hsUJ) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133831_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0022.png?itok=i5HKPY6L) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133832_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0023.png?itok=WsYhRqny) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133833_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0024.png?itok=lx-TesCb) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133834_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0025.png?itok=Ddpb76N8) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133835_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0026.png?itok=JCweWIbc) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133836_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0027.png?itok=VosBxpdG) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133837_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0028.png?itok=XYGXUdtg) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133838_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0029.png?itok=6W2KGgmY) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133839_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0030.png?itok=UsANDsps) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133840_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0031.png?itok=C29L2JwO) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133841_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0032.png?itok=SiT3P3t3) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133842_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0033.png?itok=2kPSykAo) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133843_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0034.png?itok=FoivWD3U) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133844_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0035.png?itok=46MT8Cws) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133845_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0036.png?itok=UTDT0RVH) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133846_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0037.png?itok=-UOxxzHv) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133847_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0038.png?itok=Qp-lUptK) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133848_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0039.png?itok=5aWC7Ac2) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133849_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0040.png?itok=Tblwsmex) - ![MasterLine 10 Hidden Vent](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133850_INVA-304401__ML_10_-_WINDOW_HIDDEN_VENT_INWARD_OPENING_corr2_Final_Render_0041.png?itok=fKUAZ-0H) ### Height Vent - Min 600 mm - Max 2800 mm ### Frame-Vent Width Open In - Min 87 mm 360° [ Full specifications ](https://www.reynaers.co.za/products/windows/masterline-10/hidden-vent/technical-info) ## Product options Personalise Hidden Vent with the following options ![Concealed Hinges](https://www.reynaers.co.za/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.co.za/sites/default/files/public/inriver/icons/116963_Concealed%20Drainage.svg)### Concealed Drainage No more plastic cover caps, enjoy those clean lines. ![Motorised](https://www.reynaers.co.za/sites/default/files/public/inriver/icons/116982_Motorised.svg)### Motorised Comfortable to use, even remotely. The available options depend on profile and configuration choices. Please contact your Reynaers Aluminium representative. ## Labels & Certifications - ![Cradle to Cradle Bronze](https://www.reynaers.co.za/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 ](/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