[ Overview ](/products/windows/conceptsystem-77/fireproof) [ Technical information ](/products/windows/conceptsystem-77/fireproof/technical-info) [ Downloads ](/products/windows/conceptsystem-77/fireproof/downloads) Open tab menu *ConceptSystem 77*# Fireproof ![CS 77 Fire Proof](/sites/default/files/public/styles/product_header/public/inriver/images/63502_Percy%20Lane_11.jpg?h=a5ca13fa&itok=KdPua9MU) ![MasterLine 8 Fireproof](/sites/default/files/public/styles/product_header/public/inriver/images/114309_cs77_FireProof_post_process.jpg?h=c9a3a702&itok=udBEXbdu) ![MasterLine 8 Fireproof](/sites/default/files/public/styles/product_header_lifestyle/public/inriver/lifestyle_image/127730_Fireproof-lifestyle.png?h=854a7be2&itok=yJmzYmAh) ConceptSystem 77 is a versatile window system that complements almost any building project. This variant helps to provide fire safety in several classes and configurations to ensure an extended and safe escape route during a fire. ###### Need help? Search and compare products [ Get started ](/products-0?f%5B0%5D=product_group%3A493&f%5B1%5D=variant_type_variants%3A9850&f%5B2%5D=variant_type_variants%3A9855&s=CS%2077%20Fire%20Proof "Get started") - ![Broad design and functional possibilities](https://www.reynaers.ie/sites/default/files/public/inriver/icons/116843_Safety.svg) Broad design and functional possibilities - ![Available in extreme safety variants including bulletproof](https://www.reynaers.ie/sites/default/files/public/inriver/icons/116841_Performance.svg) Available in extreme safety variants including bulletproof - ![Well balanced price-quality-feature mix](https://www.reynaers.ie/sites/default/files/public/inriver/icons/116840_Economics.svg) Well balanced price-quality-feature mix ## Technical details ### Thermal Insulation - **High** - Uf = 2.4 W/m²K ### Air-Water-Wind - **High** - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133493_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0006.png?itok=xJaFWYYc) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133492_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0007.png?itok=ehyNvtp3) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133496_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0008.png?itok=tRRxsNrT) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/images/133495_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0009.png?itok=IV-vXh8N) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133501_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0010.png?itok=51DqBXq3) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133502_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0011.png?itok=-DevR1vv) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133503_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0012.png?itok=x8N3mcLS) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133504_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0013.png?itok=yCxL-_gN) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133505_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0014.png?itok=U2oAz_qD) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133506_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0015.png?itok=k7d_GN1A) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133507_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0016.png?itok=vfw2KLVu) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133508_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0017.png?itok=Yo_DBEto) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133509_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0018.png?itok=_c-7ZUFR) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133510_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0019.png?itok=TI7SZKeA) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133511_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0020.png?itok=-YbgiNAp) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133512_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0021.png?itok=nXvJIjgQ) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133513_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0022.png?itok=fzPeHUNv) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133514_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0023.png?itok=8P0XX5pO) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133515_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0024.png?itok=5C9MkExh) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133516_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0025.png?itok=IQi7MU17) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133517_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0026.png?itok=ZSyQ-ggT) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133518_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0027.png?itok=wxzpatqW) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133519_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0028.png?itok=SCo583Ja) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133520_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0029.png?itok=JZMXFyXP) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133521_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0030.png?itok=C44mMtxC) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133522_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0031.png?itok=iBoz9tSA) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133523_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0032.png?itok=R3EhHhYb) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133524_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0033.png?itok=kEFoDlYy) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133525_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0034.png?itok=fV9uBvBF) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133526_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0035.png?itok=m-swfXRe) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133527_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0036.png?itok=PdbyCqWX) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133528_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0037.png?itok=Kg7WK9Yd) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133529_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0038.png?itok=A2dBYrqr) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133530_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0039.png?itok=wHfVd9m7) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133531_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0040.png?itok=YWK5s4zR) - ![CS 77 Fire Proof](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/133532_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0041.png?itok=d2r5ryjt) ### Frame-Vent Width Open In - Min 77 mm 360° [ Full specifications ](https://www.reynaers.ie/products/windows/conceptsystem-77/fireproof/technical-info) ## Product options Personalise ConceptSystem 77 Fireproof with the following options ![Concealed Hinges](https://www.reynaers.ie/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.ie/sites/default/files/public/inriver/icons/116963_Concealed%20Drainage.svg)### Concealed Drainage No more plastic cover caps, enjoy those clean lines. ![Safety certified](https://www.reynaers.ie/sites/default/files/public/inriver/icons/116970_Safety%20Certified.svg)### Safety certified When you want security. The available options depend on profile and configuration choices. Please contact your Reynaers Aluminium representative. ![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