[ Overview ](/products/windows/conceptsystem-77) [ Technical information ](/products/windows/conceptsystem-77/technical-info) [ Downloads ](/products/windows/conceptsystem-77/downloads) Open tab menu # ConceptSystem 77 *Optimised safety and comfort* ![ConceptSystem 77](/sites/default/files/public/styles/product_header/public/inriver/images/71015_Dominion%20Tower%2017.jpg?h=d73728dc&itok=EWKJiHBO) ![ConceptSystem 77](/sites/default/files/public/styles/product_header_lifestyle/public/inriver/lifestyle_image/103474_REYNAERS_2.jpg?h=f537b80a&itok=BPFq8Tj1) ConceptSystem 77 is a trusted window solution that has been fully optimised to match all your project needs. This versatile aluminium system offers a complete range of variants and options, at a very competitive price-performance ratio. ###### Need help? Search and compare products [ Get started ](/products-search?f%5B0%5D=product_group%3A493&s=ConceptSystem%2077 "Get started") - ![Versatile window solution to match any project needs](https://www.reynaers.com/sites/default/files/public/inriver/icons/116846_Design.svg) Versatile window solution to match any project needs - ![Well-balanced price-performance-features mix](https://www.reynaers.com/sites/default/files/public/inriver/icons/116840_Economics.svg) Well-balanced price-performance-features mix - ![Reliable windows that last a lifetime](https://www.reynaers.com/sites/default/files/public/inriver/icons/116841_Performance.svg) Reliable windows that last a lifetime ## Labels & Certifications - ![Cradle to Cradle Bronze](https://www.reynaers.com/sites/default/files/public/inriver/icons/144484_C2C_full_scope_bronze_version%205.0_rgb.svg) ## Endless possibilities Click on the buttons below to explore all variants. Design Insulation Safety ![](/sites/default/files/public/styles/variant_project_teaser/public/inriver/images/71018_Dominion%20Tower%2014.jpg?h=b5e0a458&itok=purZpHGe) ![](/sites/default/files/public/styles/variant_product_teaser/public/inriver/images/132933_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0009.png?itok=mDTIc8f8) ![](/sites/default/files/public/styles/variant_project_teaser/public/inriver/images/68852_2014%20Brede%20School%20Houthavens%20Amsterdam%20%2819%29.jpg?h=2244d1e1&itok=kvMCm_cK) ![](/sites/default/files/public/styles/variant_product_teaser/public/inriver/images/133169_INVA-309300_CS_77_-_WINDOW_HIDDEN_VENT_corr2_Final_Render_0009.png?itok=PIASZUSH) ### Design Functional Hidden Vent The standard product offers a Functional design, which means it will fit any building style. [ More info ](/products/windows/conceptsystem-77/functional "More info") Hidden Vent is an opening element that looks like a fixed element from the outside, creating a clean and uniform look. [ More info ](/products/windows/conceptsystem-77/hidden-vent "More info") ![](/sites/default/files/public/styles/variant_project_teaser/public/inriver/images/132645_Reynaers-Aluminium-Render-046-Small.jpg?h=c9a3a702&itok=mm5aHhvI) ![](/sites/default/files/public/styles/variant_product_teaser/public/inriver/images/133541_INVP-320787_CS_77_-_WINDOW_LIGHT_INWARD_OPENING_corr2_Final_Render_0003.png?itok=vQLCr42_) ![](/sites/default/files/public/styles/variant_project_teaser/public/inriver/images/71018_Dominion%20Tower%2014.jpg?h=b5e0a458&itok=purZpHGe) ![](/sites/default/files/public/styles/variant_product_teaser/public/inriver/images/132938_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0003.png?itok=vT32cZ_A) ![](/sites/default/files/public/styles/variant_project_teaser/public/inriver/images/59663_Hotel%20Sir%20Joan_01.jpg?h=9e849104&itok=S58c87dm) ![](/sites/default/files/public/styles/variant_product_teaser/public/inriver/images/117164_CS77-HI_3D_detail.png?itok=EvmSBop5) ![](/sites/default/files/public/styles/variant_project_teaser/public/inriver/images/132627_Reynaers-Aluminium-Render-002-Small.jpg?h=84071268&itok=-kwXC3MX) ![](/sites/default/files/public/styles/variant_product_teaser/public/inriver/images/133315_INVA-309415_CS_77_-_WINDOW_HI__INWARD_OPENING_corr3_Final_Render_0003.png?itok=cibLuiVq) ### Insulation Light Standard High Insulation High Insulation+ The Light energy variant is an economic alternative that offers basic thermal performance at a competitive price. [ More info ](/products/windows/conceptsystem-77/light "More info") This product is available with a standard insulation level, ensuring thermal comfort inside the building. [ More info ](/products/windows/conceptsystem-77/standard "More info") Improve your indoor comfort with this High Insulation system upgrade. [ More info ](/products/windows/conceptsystem-77/high-insulation "More info") The High Insulation + variant offers the best thermal performance in this series. [ More info ](/products/windows/conceptsystem-77/high-insulationplus "More info") ![](/sites/default/files/public/styles/variant_project_teaser/public/inriver/images/61824_Lagasca%2099_02.jpg?h=c03f9d9c&itok=0dHTdNVK) ![](/sites/default/files/public/styles/variant_product_teaser/public/inriver/images/133223_INVA-309378_CS_77_-_WINDOW_BURGLARPROOF_INWARD_OPENING_corr2_Final_Render_0002.png?itok=i7a_eN58) ![](/sites/default/files/public/styles/variant_project_teaser/public/inriver/images/132665_Reynaers-Aluminium-Render-130-Small.jpg?h=4997dc06&itok=bu03Ucmf) ![](/sites/default/files/public/styles/variant_product_teaser/public/inriver/images/133494_INVA-310733_CS_77_-_WINDOW_FUNCTIONAL_FIREPROOF_INWARD_OPENING_corr2_Final_Render_0002.png?itok=DwXsKTew) ![](/sites/default/files/public/styles/variant_project_teaser/public/inriver/images/74033_Belgian%20Embassy%20Kinshasa2.jpg?h=bf654dbc&itok=c5xkPaGg) ![](/sites/default/files/public/styles/variant_product_teaser/public/inriver/images/117163_CS77-Fu_3D_detail.png?itok=hSnweM-o) ![](/sites/default/files/public/styles/variant_project_teaser/public/inriver/images/117127_IMG_0178.jpg?h=2e976bc2&itok=vsehXX5I) ![](/sites/default/files/public/styles/variant_product_teaser/public/inriver/images/133457_INVA-309462_CS_77_-_WINDOW_BULLETPROOF_INWARD_OPENING_corr3_Final_Render_0002.png?itok=D43oWlm-) ### Safety Burglarproof Fireproof Smoke & Heat Evacuation Bulletproof The system's burglarproof variant makes buildings safe and secure against possible intruders. [ More info ](/products/windows/conceptsystem-77/burglarproof "More info") Fireproof systems guarantee safe evacuation as they hold off heat and flames for an additional amount of time. [ More info ](/products/windows/conceptsystem-77/fireproof "More info") This variant is compatible with a building's SHEV system to extract smoke and heat quickly. [ More info ](/products/windows/conceptsystem-77/smoke-heat-evacuation "More info") Bulletproof technology helps to save lives in the most perilous situations. [ More info ](/products/windows/conceptsystem-77/bulletproof "More info") ## Product options Personalise ConceptSystem 77 with the following options ![Concealed Hinges](https://www.reynaers.com/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/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/sites/default/files/public/inriver/icons/116983_Flyscreen.svg)### Flyscreen Enjoy cool summer evenings, without losing sleep ![Balustrade](https://www.reynaers.com/sites/default/files/public/inriver/icons/116979_Balustrade.svg)### Balustrade Safety can equal beauty ![Motorised](https://www.reynaers.com/sites/default/files/public/inriver/icons/116982_Motorised.svg)### Motorised Comfortable to use, even remotely ![Glass Corner](https://www.reynaers.com/sites/default/files/public/inriver/icons/116978_Glass%20Corner.svg)### Glass Corner Glass to glass connection without profiles obstructing the view ![Clip on cover cap](https://www.reynaers.com/sites/default/files/public/inriver/icons/116967_Face%20Cap%20Variants.svg)### Clip on cover cap Choose the look that fits your project. The available options depend on profile and configuration choices. Please contact your Reynaers Aluminium representative. ## Technical details ### Thermal Insulation - **High** - Uf = 1.8 W/m²K - Uw = 1.3 W/m²K ### Air-Water-Wind - **High** - 4 / E900 / C5 ### Acoustics - **Medium** - Rw(C;Ctr) = 42(-2; -4) dB - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132934_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0006.png?itok=5I7pniPy) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132931_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0007.png?itok=dL8WwgNo) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132932_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0008.png?itok=R46QEvD_) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/images/132933_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0009.png?itok=kX7LJm4b) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132941_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0010.png?itok=LpNvjfMS) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132942_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0011.png?itok=39QE8ZEM) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132943_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0012.png?itok=uL97yZy-) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132944_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0013.png?itok=2e-hmSmf) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132945_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0014.png?itok=DPlIS9Bj) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132946_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0015.png?itok=oPcenfB4) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132947_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0016.png?itok=aPqfRmw6) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132948_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0017.png?itok=rA_MUqLE) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132949_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0018.png?itok=BIxVGp4O) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132950_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0019.png?itok=Mhkye1Wb) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132951_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0020.png?itok=uzRPAYya) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132952_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0021.png?itok=TzZtP9bX) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132953_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0022.png?itok=SBTljIP1) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132954_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0023.png?itok=KrvoXBFp) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132955_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0024.png?itok=_hPDvc52) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132956_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0025.png?itok=IQ0nxnUt) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132957_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0026.png?itok=pDKmog2x) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132958_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0027.png?itok=YMsn6wn4) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132959_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0028.png?itok=gaGVDep8) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132960_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0029.png?itok=QwO02qUx) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132961_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0030.png?itok=GYVts76B) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132962_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0031.png?itok=IXcarwuV) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132963_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0032.png?itok=-fgz1vzx) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132964_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0033.png?itok=Vqhl2U3-) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132965_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0034.png?itok=24m1WBTN) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132966_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0035.png?itok=1COMBWCZ) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132967_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0036.png?itok=ZMv5wycx) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132968_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0037.png?itok=kn1z8OGH) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132969_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0038.png?itok=lR6ofnZ3) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132970_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0039.png?itok=KnOPB4M-) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132971_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0040.png?itok=Kt6hu28T) - ![ConceptSystem 77](/sites/default/files/public/styles/360_degree/public/inriver/360_degrees/132972_inva-003409_CS_77_WINDOW_FUNCTIONAL_ST_INWARD_OPENING_corr2_Final_Render_0041.png?itok=LPrW3eHl) ### System Dimensions - Min. Frame-Vent Width 89 mm - Depth Frame 68 mm ### System limitation - Max. Height Vent - 2800 mm - Max. Weight Vent - 170 kg 360° [ Full specifications ](https://www.reynaers.com/products/windows/conceptsystem-77/technical-info) ![A woman looking outside a Window](/sites/default/files/public/styles/cta_block_left/public/2023-02/woman-looking-outside-a-window.jpg?h=7c6d049b&itok=ySGAfWHl) Reynaers Aluminium handles, a tailored solution for every lifestyle. ## Handles To perfectly match your style, we offer a range of handle designs to complete your aluminium windows, doors, sliding and folding doors. [ Discover our Handles ](/products/search?f%5B0%5D=product_group%3A500 "Discover our Handles") ![Reynaers Aluminium Handles](/sites/default/files/public/styles/cta_block_right/public/2023-02/reynaers-aluminium-handles.jpg?h=3a93805d&itok=6XCX9pOw) Reynaers Aluminium handles, a tailored solution for every lifestyle. ![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 ## You might also like ### Discover other products - ![ConceptSystem 77](/sites/default/files/public/styles/teaser_medium/public/inriver/images/142598_REYNAERS_belliard_LD%20%C2%A9%20Maxime%20Vermeulen.jpg?h=05ee7ac3&itok=QdUO9HK1) *Doors* ### ConceptSystem 77 *Optimised safety and comfort* [Learn more](/products/doors/conceptsystem-77) - Safe and versatile door solution to match any project needs - Well-balanced price-performance-features mix - Reliable doors that last a lifetime - ![ConceptPatio 130](/sites/default/files/public/styles/teaser_medium/public/inriver/images/68389_Private%20House%20Ukkel%202.8.jpg?h=56d0ca2e&itok=8sEmC2L7) *Sliding & Folding* ### ConceptPatio 130 *Aesthetic functionality* [Learn more](/products/sliding-folding/conceptpatio-130) - Entry-level sliding solution for all your standard projects - Quality for money guaranteed in renovation projects - All-round and complete range of design options