EG21259A - Insualted wall and components therefor - Google Patents
Insualted wall and components thereforInfo
- Publication number
- EG21259A EG21259A EG13697A EG13697A EG21259A EG 21259 A EG21259 A EG 21259A EG 13697 A EG13697 A EG 13697A EG 13697 A EG13697 A EG 13697A EG 21259 A EG21259 A EG 21259A
- Authority
- EG
- Egypt
- Prior art keywords
- insualted
- wall
- components therefor
- therefor
- components
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
- E04B1/12—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of other material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
- E04B2/8623—Walls made by casting, pouring, or tamping in situ made in permanent forms with spacers and at least one form leaf being monolithic
- E04B2/8629—Walls made by casting, pouring, or tamping in situ made in permanent forms with spacers and at least one form leaf being monolithic with both form leaves and spacers being monolithic
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
- E04B2002/867—Corner details
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
- E04B2002/8676—Wall end details
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Panels For Use In Building Construction (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
- Load-Bearing And Curtain Walls (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002170681A CA2170681A1 (en) | 1996-02-29 | 1996-02-29 | Insulated wall and components therefor |
Publications (1)
Publication Number | Publication Date |
---|---|
EG21259A true EG21259A (en) | 2001-05-30 |
Family
ID=4157659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EG13697A EG21259A (en) | 1996-02-29 | 1997-02-25 | Insualted wall and components therefor |
Country Status (27)
Country | Link |
---|---|
US (1) | US6212845B1 (xx) |
EP (1) | EP0883720A1 (xx) |
JP (1) | JP2001500933A (xx) |
KR (1) | KR19990087395A (xx) |
CN (1) | CN1083043C (xx) |
AR (1) | AR005906A1 (xx) |
AU (1) | AU730232B2 (xx) |
BG (1) | BG62818B1 (xx) |
BR (1) | BR9707787A (xx) |
CA (1) | CA2170681A1 (xx) |
CO (1) | CO4650233A1 (xx) |
CZ (1) | CZ274998A3 (xx) |
EG (1) | EG21259A (xx) |
FI (1) | FI981703A (xx) |
HK (1) | HK1017402A1 (xx) |
HU (1) | HUP9902278A3 (xx) |
MD (1) | MD980200A (xx) |
NO (1) | NO983981D0 (xx) |
NZ (1) | NZ331553A (xx) |
OA (1) | OA10848A (xx) |
PE (1) | PE48998A1 (xx) |
PL (1) | PL328569A1 (xx) |
RO (1) | RO118463B1 (xx) |
RU (1) | RU2178044C2 (xx) |
SK (1) | SK116298A3 (xx) |
WO (1) | WO1997032095A1 (xx) |
ZA (1) | ZA971578B (xx) |
Families Citing this family (75)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6694692B2 (en) * | 1998-10-16 | 2004-02-24 | Francesco Piccone | Modular formwork elements and assembly |
PT1175537E (pt) | 1999-04-23 | 2006-08-31 | Dow Global Technologies Inc | Construcao de parede isolada e cofragens e metodos de fazer a mesma |
IT1307442B1 (it) | 1999-05-24 | 2001-11-06 | Angelo Velo | Componente modulare per la realizzazione di strutture edilizie conisolamento uniforme. |
US7444788B2 (en) | 2002-03-15 | 2008-11-04 | Cecil Morin | Extruded permanent form-work for concrete |
PL364456A1 (en) | 2001-04-03 | 2004-12-13 | James Hardie Research Pty.Limited | Reinforced fiber cement article, methods of making and installing |
AUPR824001A0 (en) * | 2001-10-12 | 2001-11-08 | Dincel, Burak | A building element |
WO2003038205A1 (en) * | 2001-11-01 | 2003-05-08 | Bernard Mcnamara | Insulated concrete form-work for building |
AUPR875601A0 (en) * | 2001-11-03 | 2001-11-29 | Hills, Danny | Building component |
US20030208984A1 (en) * | 2002-05-09 | 2003-11-13 | Francisco Ulibarri | Concrete block and system for its use in the construction of housing units |
AR040590A1 (es) | 2002-07-16 | 2005-04-13 | James Hardie Res Pty Ltd | Productos de cemento de fibra preacabados protegidos |
US8281535B2 (en) | 2002-07-16 | 2012-10-09 | James Hardie Technology Limited | Packaging prefinished fiber cement articles |
MXPA05003691A (es) | 2002-10-07 | 2005-11-17 | James Hardie Int Finance Bv | Material mixto de fibrocemento de densidad media durable. |
US7331148B2 (en) * | 2003-03-04 | 2008-02-19 | Brentmuir Developments (1993) Ltd. | Stud for concrete forms and forms using such studs |
AU2003903822A0 (en) * | 2003-07-23 | 2003-08-07 | Stephen Peter Mcgregor | A formwork |
US7998571B2 (en) | 2004-07-09 | 2011-08-16 | James Hardie Technology Limited | Composite cement article incorporating a powder coating and methods of making same |
WO2006107228A1 (fr) * | 2005-03-30 | 2006-10-12 | Sergey Vladimirovich Kudelin | Module de coffrage multi-volume, construction utilisant un coffrage multi-volume |
FR2897084B1 (fr) * | 2006-02-08 | 2009-08-07 | Arflex Sarl | Cellule prefabriquee, notamment pour la realisation de module d'habitation et son procede de fabrication ainsi qu'un cadre formant coffrage pour la realisation d'une telle cellule |
EP2010730A4 (en) | 2006-04-12 | 2013-07-17 | Hardie James Technology Ltd | SURFACE-SEALED, REINFORCED BUILDING ELEMENT |
CA2548968A1 (en) * | 2006-05-11 | 2007-11-11 | Gordon Ritchie | Mould resistant sandwich panel |
AU2008234382A1 (en) | 2007-04-02 | 2008-10-09 | Cfs Concrete Forming Systems Inc. | Methods and apparatus for providing linings on concrete structures |
US7866106B2 (en) * | 2007-07-20 | 2011-01-11 | Bowlware Daniel S | Portable ballistics barrier |
RU2461686C2 (ru) * | 2007-09-11 | 2012-09-20 | Ницк КОИКАС | Строительные конструкции и их элементы |
WO2009059410A1 (en) | 2007-11-09 | 2009-05-14 | Cfs Concrete Forming Systems Inc. | Pivotally activated connector components for form-work systems and methods for use of same |
CA2712533C (en) | 2008-01-21 | 2016-06-21 | Octaform Systems Inc. | Stay-in-place form systems for windows and other building openings |
US8943774B2 (en) | 2009-04-27 | 2015-02-03 | Cfs Concrete Forming Systems Inc. | Methods and apparatus for restoring, repairing, reinforcing and/or protecting structures using concrete |
EP4249705A3 (en) | 2009-01-07 | 2023-12-06 | CFS Concrete Forming Systems Inc. | Method and apparatus for restoring, repairing, reinforcing and/or protecting structures using concrete |
EP2398974B1 (en) | 2009-02-18 | 2017-08-02 | CFS Concrete Forming Systems Inc. | Clip-on connection system for stay-in-place form-work |
CA2654992C (en) * | 2009-02-20 | 2011-08-23 | Nuform Building Technologies Inc. | Building wall structures and their components |
US20100243369A1 (en) * | 2009-03-31 | 2010-09-30 | Nuform Building Technologies Inc. | Highway noise barrier |
US8833027B2 (en) * | 2009-05-22 | 2014-09-16 | Stephen John Trower | Building panel |
WO2011106884A1 (en) * | 2010-03-04 | 2011-09-09 | Michael Bettiol | Building envelope member with internal water reservoir |
EP2591186B1 (en) | 2010-07-06 | 2019-05-01 | CFS Concrete Forming Systems Inc. | Push on system for repairing structures |
CN102345382B (zh) * | 2010-08-02 | 2014-08-06 | 王亚运 | 一种角件模板及其形成的三向棱角模块 |
US20120137613A1 (en) * | 2010-12-02 | 2012-06-07 | Schurmann Stephan E | Insulated Concrete Walls |
NL2005895C2 (nl) * | 2010-12-22 | 2012-06-27 | Bartels Ingenieursbureau B V | Werkwijze voor het vervaardigen van een brandwerend betonnen bouwelement en volgens die werkwijze vervaardigd wand-, plafond- en vloerelement. |
JP6114740B2 (ja) * | 2011-04-11 | 2017-04-12 | ディンセル, ビュラックDincel, Burak | 建築構造用パネル用建築部材 |
WO2013075250A1 (en) | 2011-11-24 | 2013-05-30 | Cfs Concrete Forming Systems Inc. | Stay-in-place formwork with anti-deformation panels |
CA2855742C (en) | 2011-11-24 | 2019-10-29 | Cfs Concrete Forming Systems Inc. | Stay-in place formwork with engaging and abutting connections |
US9315987B2 (en) | 2012-01-05 | 2016-04-19 | Cfs Concrete Forming Systems Inc. | Systems for restoring, repairing, reinforcing, protecting, insulating and/or cladding structures with locatable stand-off components |
US10151119B2 (en) | 2012-01-05 | 2018-12-11 | Cfs Concrete Forming Systems Inc. | Tool for making panel-to-panel connections for stay-in-place liners used to repair structures and methods for using same |
WO2013102274A1 (en) | 2012-01-05 | 2013-07-11 | Cfs Concrete Forming Systems Inc. | Panel-to-panel connections for stay-in-place liners used to repair structures |
WO2014014366A1 (en) * | 2012-07-16 | 2014-01-23 | Charles Caulder Bree | Interlocking blocks and tiles for buildings |
CA2885207C (en) * | 2012-09-17 | 2018-06-12 | Eleven Solutions Rfe S.A. De C.V. | Modular, multiperforated permanent formwork or centerring construction system for reinforced concrete |
US8677713B1 (en) | 2013-03-06 | 2014-03-25 | Epi 04, Inc. | Extruded wall panel system and method of forming |
WO2015066758A1 (en) | 2013-11-07 | 2015-05-14 | Csr Building Products Limited | Building component |
US10907348B2 (en) | 2013-11-07 | 2021-02-02 | Csr Building Products Limited | Building component |
WO2015081445A1 (en) | 2013-12-06 | 2015-06-11 | Cfs Concrete Forming Systems Inc. | Structure cladding trim components and methods for fabrication and use of same |
EP4234844A3 (en) | 2014-04-04 | 2023-09-27 | CFS Concrete Forming Systems Inc. | Liquid and gas-impermeable connections for panels of stay- in-place form-work systems |
CN103912079A (zh) * | 2014-04-04 | 2014-07-09 | 华浚塑料建材有限公司 | 一种围护结构式pvc建筑墙体 |
CN106661893A (zh) * | 2014-06-16 | 2017-05-10 | 斯特迪福姆控股有限公司 | 模壳 |
NO337964B1 (no) * | 2014-07-11 | 2016-07-18 | Vidar Marstein | Byggekloss for veggkonstruksjon |
WO2016065373A1 (en) * | 2014-10-21 | 2016-04-28 | Venture Holdings B .V. | A modular building unit, system and method |
BR202015008514U2 (pt) * | 2015-04-15 | 2016-10-18 | Rogério Saad Noé | melhorias introduzidas no sistema construtivo de perfis modulares de pvc extrudados e co-extrdudados para composição de paredes |
CN113107112A (zh) * | 2015-04-29 | 2021-07-13 | B·丁塞尔 | 建筑元件 |
EA028813B1 (ru) * | 2015-12-02 | 2018-01-31 | Александр Владимирович Ромашкин | Строительный блок из древесно-полимерного композиционного материала |
EP3397823B1 (en) | 2015-12-31 | 2022-03-09 | CFS Concrete Forming Systems Inc. | Structure-lining apparatus with adjustable width and tool for same |
CN115262848A (zh) | 2017-04-03 | 2022-11-01 | Cfs 混凝土模板系统公司 | 结构件衬里装置和对结构件加衬里表面的方法 |
WO2019071300A1 (en) * | 2017-10-10 | 2019-04-18 | Csr Building Products Limited | FORMWORK SYSTEM |
US20190127966A1 (en) * | 2017-11-01 | 2019-05-02 | Marlon Howard Stewart | Permanent forms for composite construction columns and beams and method of building construction |
WO2019119159A1 (en) | 2017-12-22 | 2019-06-27 | Cfs Concrete Forming Systems Inc. | Snap-together standoffs for restoring, repairing, reinforcing, protecting, insulating and/or cladding structures |
US10590646B2 (en) * | 2018-01-24 | 2020-03-17 | Wall Technologies Pty Ltd. | Composite building panel and shell |
USD890958S1 (en) * | 2018-02-28 | 2020-07-21 | Golden Homes Holdings Limited | Building extrusion |
RU2681747C1 (ru) * | 2018-05-07 | 2019-03-12 | Виктор Николаевич Молодцев | Трёхкамерный стеновой строительный профиль |
WO2020006602A1 (en) | 2018-07-03 | 2020-01-09 | Toluk, Ekrem | Support structure assembly |
WO2020006601A1 (en) | 2018-07-03 | 2020-01-09 | Fef Group Pty Ltd | Formwork wall panel and formwork assembly |
CN109235702B (zh) * | 2018-10-19 | 2024-02-02 | 刘凯 | 一种带肋的装配式双钢板组合剪力墙结构及其施工方法 |
WO2020148312A1 (en) * | 2019-01-17 | 2020-07-23 | Hercules Manufacturing & Building Systems Limited | A construction system and method |
AU2020218008A1 (en) | 2019-02-08 | 2021-09-16 | Cfs Concrete Forming Systems Inc. | Retainers for restoring, repairing, reinforcing, protecting, insulating and/or cladding structures |
KR102252141B1 (ko) * | 2019-05-22 | 2021-05-14 | (주)다정하이테크 | 거푸집 겸용 건축물 벽체 |
US11352786B2 (en) * | 2019-08-19 | 2022-06-07 | WSP USA, Inc. | Constructing buildings with modular wall structure |
US11313135B1 (en) * | 2020-09-23 | 2022-04-26 | Jeffrey S. Kenny | Panel assembly |
CN112227525A (zh) * | 2020-09-30 | 2021-01-15 | 三一筑工科技有限公司 | 一种单面叠合u型预制构件节点 |
CN112227526A (zh) * | 2020-09-30 | 2021-01-15 | 三一筑工科技有限公司 | 一种单面叠合z型预制构件节点 |
CN112360006A (zh) * | 2020-11-13 | 2021-02-12 | 廊坊市勤创建筑材料科技有限公司 | 一种建筑组件及墙体 |
US11761203B2 (en) | 2021-01-12 | 2023-09-19 | Vision Profile Extrusions Limited | Mold-in-place concrete formwork |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA957816A (en) | 1971-03-10 | 1974-11-19 | D'argensio, Jean A. | Plastic concrete system |
FR2107725A5 (en) | 1971-09-07 | 1972-05-05 | Baloche Pierre | Plastic building components - a system of snap fit extruded (pvc) profiles for a complete building |
US4819396A (en) * | 1982-07-07 | 1989-04-11 | Cruise Thomas E | Insulated concrete masonry unit with low density heat bridges |
US5193318A (en) * | 1991-10-23 | 1993-03-16 | Rpg Diffusor Systems, Inc. | Acoustical diffusing and absorbing cinder blocks |
CA2097226C (en) * | 1993-05-28 | 2003-09-23 | Vittorio Dezen | Thermoplastic structural components and structures formed therefrom |
NO177803C (no) * | 1993-06-23 | 1995-11-22 | Nils Nessa | Fremgangsmåte ved stöping av en helt eller delvis isolert vegg, samt en engangsforskaling til bruk i den angitte fremgangsmåten |
FR2721054B1 (fr) | 1994-06-09 | 1996-09-13 | Vial Maxime Andre | Coffrage perdu pour la réalisation de structures verticales à isolation intégrée. |
US5615529A (en) * | 1996-03-12 | 1997-04-01 | Johnson; Jan C. | Border blocks for tree and shrub decoration |
-
1996
- 1996-02-29 CA CA002170681A patent/CA2170681A1/en not_active Abandoned
-
1997
- 1997-02-19 AR ARP970100655A patent/AR005906A1/es not_active Application Discontinuation
- 1997-02-24 PE PE1997000132A patent/PE48998A1/es not_active Application Discontinuation
- 1997-02-24 ZA ZA971578A patent/ZA971578B/xx unknown
- 1997-02-25 EG EG13697A patent/EG21259A/xx active
- 1997-02-28 US US09/125,973 patent/US6212845B1/en not_active Expired - Lifetime
- 1997-02-28 JP JP09530482A patent/JP2001500933A/ja not_active Ceased
- 1997-02-28 HU HU9902278A patent/HUP9902278A3/hu unknown
- 1997-02-28 CO CO97010839A patent/CO4650233A1/es unknown
- 1997-02-28 RO RO98-01342A patent/RO118463B1/ro unknown
- 1997-02-28 RU RU98117676/03A patent/RU2178044C2/ru not_active IP Right Cessation
- 1997-02-28 WO PCT/CA1997/000135 patent/WO1997032095A1/en active IP Right Grant
- 1997-02-28 AU AU17627/97A patent/AU730232B2/en not_active Ceased
- 1997-02-28 MD MD98-0200A patent/MD980200A/ro unknown
- 1997-02-28 BR BR9707787A patent/BR9707787A/pt not_active IP Right Cessation
- 1997-02-28 SK SK1162-98A patent/SK116298A3/sk unknown
- 1997-02-28 NZ NZ331553A patent/NZ331553A/xx unknown
- 1997-02-28 PL PL97328569A patent/PL328569A1/xx unknown
- 1997-02-28 KR KR1019980706810A patent/KR19990087395A/ko active IP Right Grant
- 1997-02-28 CN CN97192629A patent/CN1083043C/zh not_active Expired - Fee Related
- 1997-02-28 EP EP97903182A patent/EP0883720A1/en not_active Withdrawn
- 1997-02-28 CZ CZ982749A patent/CZ274998A3/cs unknown
-
1998
- 1998-08-05 FI FI981703A patent/FI981703A/fi unknown
- 1998-08-28 OA OA9800153A patent/OA10848A/en unknown
- 1998-08-28 NO NO983981A patent/NO983981D0/no not_active Application Discontinuation
- 1998-08-28 BG BG102735A patent/BG62818B1/bg unknown
-
1999
- 1999-05-14 HK HK99102152A patent/HK1017402A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NO983981L (no) | 1998-08-28 |
SK116298A3 (en) | 1999-01-11 |
FI981703A (fi) | 1998-10-27 |
CA2170681A1 (en) | 1997-08-30 |
BR9707787A (pt) | 1999-07-27 |
CN1212740A (zh) | 1999-03-31 |
AU1762797A (en) | 1997-09-16 |
MD980200A (ro) | 2000-05-31 |
OA10848A (en) | 2003-02-05 |
CO4650233A1 (es) | 1998-09-03 |
AR005906A1 (es) | 1999-07-21 |
PL328569A1 (en) | 1999-02-01 |
PE48998A1 (es) | 1998-09-10 |
NO983981D0 (no) | 1998-08-28 |
JP2001500933A (ja) | 2001-01-23 |
HUP9902278A2 (hu) | 1999-11-29 |
CN1083043C (zh) | 2002-04-17 |
NZ331553A (en) | 2000-01-28 |
WO1997032095A1 (en) | 1997-09-04 |
ZA971578B (en) | 1998-08-24 |
EP0883720A1 (en) | 1998-12-16 |
CZ274998A3 (cs) | 1999-04-14 |
RU2178044C2 (ru) | 2002-01-10 |
HK1017402A1 (en) | 1999-11-19 |
US6212845B1 (en) | 2001-04-10 |
AU730232B2 (en) | 2001-03-01 |
HUP9902278A3 (en) | 2000-08-28 |
FI981703A0 (fi) | 1998-08-05 |
BG62818B1 (bg) | 2000-08-31 |
RO118463B1 (ro) | 2003-05-30 |
KR19990087395A (ko) | 1999-12-27 |
BG102735A (en) | 1999-03-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EG21259A (en) | Insualted wall and components therefor | |
EP1021185A4 (en) | DIHYDROPYRIMIDINE AND ITS USES. | |
EP1037635A4 (en) | CONNECTIONS AROUND METHODS | |
DE59700372D1 (en) | Blockcopolymere | |
HUP9700446A3 (en) | Oilsuspension-concentrate and using thereof | |
DE59704086D1 (en) | Twin-dualmode-filter | |
DE59703905D1 (en) | Linearmotorgetriebene transportanlage | |
PL331523A1 (en) | Azolotrizines and azolopyrimidines | |
DE59703023D1 (en) | Cyclopeptidderivate | |
DE59702027D1 (en) | Bragg-modulator | |
GB2309344B (en) | An oscillator | |
GB9616563D0 (en) | Compounds and methods | |
HUP9900068A3 (en) | Fuse-switch and/or fuse-disconnector | |
AU131132S (en) | Handleset | |
EP0934345A4 (en) | CONNECTIONS AND PROCEDURE | |
ZA959512B (en) | Aryloxycycloalkenyl and aryloxyiminocycloalkenylhy-droxyureas | |
AU131198S (en) | Handleset | |
DE59610178D1 (en) | Rotationspumpe | |
PL313849A1 (en) | Beta-aminoesters of o-hydrobenzylamides | |
PL104199U1 (en) | Retaining wall member | |
AU131199S (en) | Handleset | |
AU131131S (en) | Handleset | |
GB9609498D0 (en) | Aqua-saucer and aqua-vase | |
IL120346A0 (en) | Retaining wall and block therefor | |
GB2315122B (en) | Wall ventilator |