Air supply or extract grille fascia for applications using a separate plenum box. Grille flange features a return edge to provide clearance on the plenum lip. Security clutch screw fixing through the grille flange. The enhanced GPP series (Home Office specification for Police use) comprises of a 2mm stainless steel fascia perforated with 2mm dia holes at 4mm centres on a triangular pitch.

(Last updated on 31/05/2023)

Air supply or extract grille fascia for applications using a separate plenum box. Grille flange features a return edge to provide clearance on the plenum lip. Security clutch screw fixing through the grille flange. Thestandard GPS series (Ministry of Justice specification)
comprises of a 2mm stainless steel fascia perforated with 3mm dia holes on a staggered 5mm pitch.

(Last updated on 31/05/2023)

Complementing the GSF range of fixed Swirl Diffusers with the GSJ Series Gilberts introduce a modern and attractively styled range of adjustable Swirl Diffusers suitable for a multitude of ceiling supply applications. GSJA is a Standard Swirl Diffuser comprising of linked adjustable blades mounted in a circular housing frame.

(Last Updated on 27/07/22)

The Series 61 smoke control damper has been designed to satisfy smoke ventilation applications and is particularly suited for smoke evacuation shafts and risers in multi storey buildings. A multi, parallel linked blade smoke damper the Series 61 is manufactured from robust 1.5 mm galvanised steel. Usefully the damper combines both a low leakage rate when closed, with a high free area when open, to support high smoke evacuation rates.

Series GD provides a new extra dimension on the popular and effective swirl diffuser theme. Complimenting Gilberts existing swirl diffuser range the new GD series has been introduced to provide a wider range of architectural and design style swirl options which combine appealing aesthetics with cost effective design. GDS-C is a Swirl diffuser with clip in border edge detail with a choice of two different swirl face style.

(Last updated on 23/08/21)

Gilberts Series PE provides a comprehensive and established range of Perforated Face Type Grilles to suit all types of extract application in ceilings and sidewalls. Attractively styled the unit comprises of a perforated, 50% free area, steel fascia fixed in a 32mm aluminium flange border frame.

(Last updated on 19/07/21)

Gilberts H Series provides an established and comprehensive range of heavy duty single and double adjustable deflection grilles for all types of ceiling and sidewall supply and extract application. Comprising of robust 10mm section individually adjustable aerofoil blades set on 25mm centres the H Series was designed and is especially suitable, for heavy duty or industrial type applications. Blades are firmly located into a 32mm bevel edged flange border frame for secure blade positioning and strength.

(Updated on 27/9/21)

Gilberts Ductgard presents an ‘engineered’ range of combined smoke and fire dampers suitable for use in all types of HVAC ductwork. The Gilbert’s Ductgard presents a re-engineered range of
combined fire and smoke dampers suitable for use in HVAC ductwork systems.

Gilberts Ductgard presents an ‘engineered’ range of combined smoke and fire dampers suitable for use in all types of HVAC ductwork. The Gilbert’s Ductgard presents a re-engineered range of
combined fire and smoke dampers suitable for use in HVAC ductwork systems.

Gilberts JSL Series of Linear Slot Diffuser has been designed to meet the exacting performance requirements and standards of modern slot diffuser applications. Combining up to date styling and design technology to blend with modern architecture the JSL complements our standard slot diffuser design by offering a ultra high capacity slot design. JSL P has a P type border for plaster ceiling applications.

(Last updated on 5/5/2022)

Gilberts JSL Series of Linear Slot Diffuser has been designed to meet the exacting performance requirements and standards of modern slot diffuser applications. Combining up to date styling and design technology to blend with modern architecture the JSL complements our standard slot diffuser design by offering a ultra high capacity slot design. JSL B has a B type border for plank ceiling applications.

(Last Updated on 5/5/23)

Gilberts JSL Series of Linear Slot Diffuser has been designed to meet the exacting performance requirements and standards of modern slot diffuser applications. Combining up to date styling and design technology to blend with modern architecture the JSL complements our standard slot diffuser design by offering a ultra high capacity slot design. JSL A has a standard A type border.

(Last updated on 5/5/23)

Gilberts GECA-RC Series provides an architecturally and aesthetically pleasing range of Removable Core Eggcrate Extract Grilles suitable for both ceiling and sidewall mounting applications. GECA-RCT is a 13mm square Eggcrate Grille with removable core with a T border for tegular type ceiling applications

Series GB provides a new added dimension to our popular and effective swirl diffuser theme. Type GBA is a Swirl diffuser suitable for plaster ceiling applications

Gilberts GECA-RC Series provides an architecturally and aesthetically pleasing range of Removable Core Eggcrate Extract Grilles suitable for both ceiling and sidewall mounting applications. Type GECA RC is a 13mm square Eggcrate Grille with removable core.

Gilberts GE Series provides a comprehensive and traditional range of Eggcrate type grilles to suit all types of extract application in ceiling and walls. Type GEC has a 13mm square Eggcrate grille in channel border frame.

Gilberts GZL (Zipp-Air) Diffuser Series offers a new concept in linear air distribution technology. Type GZLA has a Standard 27mm flange border Zipp-Air Diffuser suitable for drop in ceiling grid and plaster ceiling Application

Gilberts GF Series is one of the most established and advanced ranges of floor grilles available in the industry today. GF 6 has a standard frame

Gilberts ST Series provides a range of diffusers suitable for auditoriums, sports stadia, movie theatres and other similar applications. STS has a square faceplate.

Gilberts ST Series provides a range of diffusers suitable for auditoriums, sports stadia, movie theatres and other similar applications. STC has a circular faceplate.

Gilberts HG Series provides a tough, uncompromising but safe grille solution for both air supply and extract applications in sports halls, gymnasiums and other similar areas. The HGV has vertical blades

Gilberts HG Series provides a tough, uncompromising but safe grille solution for both air supply and extract applications in sports halls, gymnasiums and other similar areas. The HGH has horizontal blades.

Gilberts NV Series provides a comprehensive and traditional range of vision proof grilles to suit all manner and type of air transfer application through doors, walls and partitions. NV6 is a Vision proof flanged grille suitable for surface mounting onto doors, wall or partitions. Especially useful for narrow doors or fireblock installations.

Gilberts NV Series provides a comprehensive and traditional range of vision proof grilles to suit all manner and type of air transfer application through doors, walls and partitions. NV4 is a Set of two lightproof core grilles with 32mm flange borders. Designed for door transfer in dark room/light proof applications. (Matt black finish).

Gilberts NV Series provides a comprehensive and traditional range of vision proof grilles to suit all manner and type of air transfer application through doors, walls and partitions. NV3 is a Vision proof core in 32mm flanged border with matching telescopic back flange. Designed for door mounting.

Gilberts NV Series provides a comprehensive and traditional range of vision proof grilles to suit all manner and type of air transfer application through doors, walls and partitions. NV2 is a Vision proof core in 32mm flanged border. Designed for wall or partition mounting.

Gilberts NV Series provides a comprehensive and traditional range of vision proof grilles to suit all manner and type of air transfer application through doors, walls and partitions. NV1 is the Vision proof core only. Designed for beading into door.

Gilberts PX Series extract valves have been designed to provide a compact, clean and attractive means to extract stale air from bathrooms, toilets, washrooms, kitchens etc.

The VNT is an assembly which consists of the PHH75 louvre and a rectangular duct. The duct can have an optional damper and grille at the bottom. The PH Series is a range of roof mounting fixed Blade Louvre Housings suitable for air intake or discharge over ventilation shafts etc. PHH75 Comprises of 16 SWG Aluminium Louvres on 75mm Pitch with rear mounted Birdguard screen. Insect screens available as an optional extra.

The PH Series is a range of roof mounting fixed Blade Louvre Housings suitable for air intake or discharge over ventilation shafts etc. PHH75 Comprises of 16 SWG Aluminium Louvres on 75mm Pitch with rear mounted Birdguard screen. Insect screens available as an optional extra.

Series WG75 with its 16 SWG 75mm Pitch Louvres represents the principle building block for the Gilberts Louvre system. WGF/75 Comprises of 16 SWG Louvres on 75mm centres in a 38mm wide Flanged Frame. WGC/75: Comprises of 16 SWG Louvres on 75mm centres in a 70mm deep Channel Frame.

Gilberts high performance louvre range complements our standard louvre series providing a comprehensive package of high weather protection louvre designs. High performance louvre to class A
weathering specifications comprising 50mm louvre blades designed for medium scale louvre applications.

Gilberts GX Series of valves have been designed to provide a compact, clean and attractive means of extracting stale air from bathrooms, toilets, washrooms and kitchens, etc. GXD is the Improved valve design to provide smoother air flow characteristics and lower noise levels. Available in five sizes all complete with mounting ring.

(Last Updated on 28/4/23)

Gilberts GX Series of valves have been designed to provide a compact, clean and attractive means of extracting stale air from bathrooms, toilets, washrooms and kitchens, etc. GX is the Standard valve design available in five sizes, all complete with mounting ring.

(Last Updated on 28/4/23)

Gilberts SX Series of valves have been designed to provide a compact, clean and attractive means to supply fresh air to bathrooms, toilets, washrooms and kitchens, etc. SX is the Standard supply valve design available in five sizes, all complete with mounting ring.

(Last Updated on 28/4/23)

The Series 60 smoke evacuation damper has been designed to satisfy smoke ventilation applications and is particularly suited for smoke evacuation shafts and risers in multi storey buildings.

Gilberts MFS-V offer a further innovation in hybrid natural ventilation.  Our standard MFS solution allows hybrid ventilation to be provided in a typical classroom using the exterior wall façade. For areas where a side wall is not available however our hybrid MFS-V offers the perfect partnering solution.

Gilberts MFS-V offer a further innovation in hybrid natural ventilation.  Our standard MFS solution allows hybrid ventilation to be provided in a typical classroom using the exterior wall façade. For areas where a side wall is not available however our hybrid MFS-V offers the perfect partnering solution.

Incorporating an ultra-low power fan our new Mistrale ‘Fusion’ MFS might not, in the strictest sense, be thought of as a full natural ventilation solution however it does still allow us to harness this free natural cooling energy source reliably and efficiently but with significant added benefits. The MFS DE UDS has a duct extension instead of a louvre with two spigots to attach to ducts for supply and extract air.

(Last Updated on 19/07/2021)

Incorporating an ultra-low power fan our new Mistrale ‘Fusion’ MFS might not, in the strictest sense, be thought of as a full natural ventilation solution however it does still allow us to harness this free natural cooling energy source reliably and efficiently but with significant added benefits. The MFS DE UDS has a duct extension instead of a louvre with two spigots to attach to ducts for supply and extract air.

(Last Updated on 19/07/2021)

Incorporating an ultra-low power fan our new Mistrale ‘Fusion’ MFS might not, in the strictest sense, be thought of as a full natural ventilation solution however it does still allow us to harness this free natural cooling energy source reliably and efficiently but with significant added benefits.

(Last updated on 19/07/2021)

Gilberts HSL Series of Linear Slot Diffuser has been designed to meet the exacting performance requirements and standards of modern slot diffuser applications.

Gilberts HSL Series of Linear Slot Diffuser has been designed to meet the exacting performance requirements and standards of modern slot diffuser applications.

High performance louvre manufactured to class A weathering specifications with 38mm louvre blades. WHZ38 Comprises of 1.6mm Louvres on 38mm Centres in a glazing frame suitable for
beading into a window

High performance louvre manufactured to class A weathering specifications with 38mm louvre blades. WHF38 Comprises of 1.6mm Louvres on 38mm Centres in a 34mm wide flanged frame.

High performance louvre manufactured to class A weathering specifications with 38mm louvre blades. WHC38 Comprises of 1.6mm Louvres on 38mm Centres in 38mm deep channel frame.

High performance louvre to class A weathering specifications comprising 75mm louvre blades designed for medium to large scale louvre applications. Comprises of 1.6mm Louvres on
75mm Centres in a glazing frame suitable for beading into a window

High performance louvre to class A weathering specifications comprising 75mm louvre blades designed for medium to large scale louvre applications. WHF75 Comprises of 1.6mm Louvres on
75mm Centres in a 38mm wide flanged frame

High performance louvre to class A weathering specifications comprising 75mm louvre blades designed for medium to large scale louvre applications. WHC75 Comprises of 1.6mm Louvres on 75mm Centres in 121mm deep channel frame.

Series GD provides a new extra dimension on the popular and effective swirl diffuser theme. GDS-D is a Swirl diffuser with step flange border frame suitable for tegular ceiling grids with a choice of two different swirl face style.

(Last updated on 23/08/21)

Series GD provides a new extra dimension on the popular and effective swirl diffuser theme. GDS-C is a Swirl diffuser with borderless frame suitable for lay- in ceiling grid application with a choice of two different swirl face style

Series GD provides a new extra dimension on the popular and effective swirl diffuser theme. GDC-A is a Circular swirl diffuser with flange border suitable for plaster ceiling or exposed ductwork with a choice of two different swirl face style.

With the Series MN Gilberts introduce a further bold development on the high performance diffuser theme. MNC is a Multi nozzle ceiling diffuser with borderless, clean edged frame suitable for lay in ceiling grid application.

With the Series MN Gilberts introduce a further bold development on the high performance diffuser theme. MNA is a Standard multi nozzle diffuser with 32mm flange border suitable for plaster ceiling applications

Gilberts GSL Series of Linear Slot Diffuser has been designed to meet the exacting performance requirements and standards of modern slot diffuser applications. GSL P has a border suitable for plasterboard applications.

Gilberts GSL Series of Linear Slot Diffuser has been designed to meet the exacting performance requirements and standards of modern slot diffuser applications. The standard border detail comprises a 27mm flange border with end flanges or end caps optionally available.

(Last updated on 19/07/2021)

Gilberts JN Series of Jet Nozzles are highly versatile units capable of delivering a powerful stream of air over long distances.

Gilberts SK Series provides a practical range of Heavy Duty mild or stainless steel fixed blade grilles suitable for many more robust industrial style applications such as car parks, factory premises, stairwells, outbuildings etc. Designed for supply or extract application all units comprise of a sturdy 3mm steel formed blade angled at 0° for supply or 15 and 40° for extract according to preference and set on a 19mm pitch.

Gilberts GSR Series presents a further new design concept on the popular and effective swirl type diffuser theme. GSRFD is a Fixed swirl diffuser with step edge border frame suitable for Tegular
ceiling grid applications.

Gilberts GSR Series presents a further new design concept on the popular and effective swirl type diffuser theme. GSRA is an adjustable swirl diffuser with 32mm flange border suitable for both lay-in and, with rear access, plaster ceiling installations.

Gilberts Series GRC Circular Diffusers provide an alternative to conventional square and rectangular diffusers for both ceiling supply and ceiling extract applications.

Gilberts K Series provides a comprehensive range of fixed blade extract grilles suitable for a wide variety of sidewall or ceiling mounting applications. The K grille has a Standard duty border with one way deflection.

Gilberts DG Series of Louvred Face Diffusers offer a distinct new evolution on a popular design theme. DGA 4 is suitable for both suspended and plaster ceiling applications and has a 4 way blow.

(Last updated on 19/07/2021)

Complementing existing GF and F Floor Grille Ranges the GFS Series has been specially developed for both supply and extract applications in all types of Raised Access Floor Systems. Available in 160, 200 and 250mm dia sizes the units comprise of a slotted stainless steel fascia with rounded edges to create a tough yet attractive diffuser capable of withstanding a point loading of up to 1.5kn.

The PG Series of perforated diffusers provides a modern yet discreet range of diffusers designed to blend effectively with modern ceiling styles and profiles. PGR is complete with top entry plenum
connection box.

(Last Updated on 23/08/21)

With the GSF Series Gilberts introduce a contemporary and attractively designed range of Fixed Swirl Type Diffusers for ceiling supply and extract applications. GSFB has fixed blades fitted into a square Perforated Face Housing Frame. The perforated face is hinged for easy access from the diffuser face.

(Last updated on 15/07/21)

With the GSF Series Gilberts introduce a contemporary and attractively designed range of Fixed Swirl Type Diffusers for ceiling supply and extract applications. GSFE has fixed blades fitted into a Circular Perforated Fascia with removable core.

With the GSF Series Gilberts introduce a contemporary and attractively designed range of Fixed Swirl Type Diffusers for ceiling supply and extract applications. GSFR comprises of fixed blades mounted in a Circular Flanged Frame.

(Last Updated on 5/5/23)

Gilberts Series PGL provides a range of Laminar Flow Panels, suitable for use in operating theatres, laboratories, clean rooms and other similar applications. PGL 1 designed to form multiple panel assembly.

Gilberts Series PGL provides a range of Laminar Flow Panels, suitable for use in operating theatres, laboratories, clean rooms and other similar applications. PGL 1 designed to form multiple panel assembly.

Gilberts Series PGL provides a range of Laminar Flow Panels, suitable for use in operating theatres, laboratories, clean rooms and other similar applications. PGL 1 designed to form multiple panel assembly.

Gilberts Series PGL provides a range of Laminar Flow Panels, suitable for use in operating theatres, laboratories, clean rooms and other similar applications. PGL 1 designed to form multiple panel assembly.

Gilberts Series PGL provides a range of Laminar Flow Panels, suitable for use in operating theatres, laboratories, clean rooms and other similar applications. PGL2 has a 32mm flange border frame.

Gilberts Series PGL provides a range of Laminar Flow Panels, suitable for use in operating theatres, laboratories, clean rooms and other similar applications. PGL 1 designed to form multiple panel assembly.

Series WG38 with its 38mm Pitch fixed Blades represents the smallest Louvre profile available in this system. This unit was designed to provide a neat and compact appearance for smaller Louvre applications combined with a convenient low size to weight ratio for easy handling. Rear fixing cleats are mounted off the housing frame to facilitate screw fixing into adjacent timber, masonry or duct.

Gilberts Drum Louvre Series DL is a highly flexible and versatile unit that has been specifically developed to meet the requirements of the long throw application in the air distribution field. Standard Drum Louvre available in sizes 1 to 8.

Gilberts L Series of Linear Grilles provides a range of multi function units designed for both supply and extract purposes and suitable for ceiling, sidewall and cill mounting applications. Linear Strip Grille with special border suitable for all types of plaster fixing applications.

(Last Updated on 31/05/2023)

Gilberts L Series of Linear Grilles provides a range of multi function units designed for both supply and extract purposes and suitable for ceiling, sidewall and cill mounting applications. Linear Strip Grille as Type LGN but with bars flush level with flange face.

(Last updated on 23/08/21)

Gilberts L Series of Linear Grilles provides a range of multi function units designed for both supply and extract purposes and suitable for ceiling, sidewall and cill mounting applications. Linear Strip Grille comprising Fineline 3mm or Broadline 6mm wide bars set on a 13mm pitch spring clip fixed in a housing frame sidewall or sill mounting applications only.

Gilberts L Series of Linear Grilles provides a range of multi function units designed for both supply and extract purposes and suitable for ceiling, sidewall and cill mounting applications. As LG Series except in a slimline 16mm flange border frame with concealed bracket fixing.

Gilberts L Series of Linear Grilles provides a range of multi function units designed for both supply and extract purposes and suitable for ceiling, sidewall and cill mounting applications. Linear Bar Grille comprising Fineline 3mm or Broadline 6mm wide bars set on a 13mm pitch in a 32mm flange border frame.

Gilberts L Series of Linear Grilles provides a range of multi function units designed for both supply and extract purposes and suitable for ceiling, sidewall and cill mounting applications. Linear Strip Grille as Type LG but with bars flush level with flange face.

Gilbert’s K Series provides a comprehensive range of fixed blade extract grilles suitable for a wide variety of sidewall or ceiling mounting applications. The KN grille has a narrow border with two way deflection.

Gilberts K Series provides a comprehensive range of fixed blade extract grilles suitable for a wide variety of sidewall or ceiling mounting applications. The 2K grille has a standard duty border with two way deflection.

Gilberts K Series provides a comprehensive range of fixed blade extract grilles suitable for a wide variety of sidewall or ceiling mounting applications. The 2KG grille has a heavy duty border with two way deflection.

Gilberts K Series provides a comprehensive range of fixed blade extract grilles suitable for a wide variety of sidewall or ceiling mounting applications. The KG grille has a heavy duty border with one way deflection.

Gilberts K Series provides a comprehensive range of fixed blade extract grilles suitable for a wide variety of sidewall or ceiling mounting applications. The KN grille has a narrow border with one way deflection.

Gilberts GE Series provides a comprehensive and traditional range of Eggcrate type grilles to suit all types of extract application in ceiling and walls. GECA is a 13mm square Eggcrate grille in 32mm flange frame.

(Last Updated on 19/07/2021)

Gilberts G Series provides an established and comprehensive range of single and double adjustable deflection grilles for all types of ceiling and sidewall supply and extract application. Comprising of 4mm wide individually adjustable aerofoil blades set on 19mm centres the G Series was designed and is especially suitable, for standard duty non industrial type applications such as offices, shops and restaurants. Blades are firmly located into a 32mm flange border frame allowing for simple and positive manual blade adjustment and positioning.

(Updated on 27/9/21)

Incorporating an ultra-low power fan our new Mistrale ‘Fusion’ MFS might not, in the strictest sense, be thought of as a full natural ventilation solution however it does still allow us to harness this free natural cooling energy source reliably and efficiently but with significant added benefits.

(Last updated on 19/07/21)