Price: £145. RW Simons Ltd PVCu Trickle Vents range is called Framevent and is the latest addition to our extensive range of window ventilators. Available in standard, acoustically attenuated (for noisy install locations) and humidity sensitive (which open in response to high humidity events), the range is designed to meet even the toughest window trickle ventilation requirements. The SM 1000 Trickle Vent is a slim, unobtrusive trickle vent. With replacement windows the general rule of thumb is to replace like for like. The new 2500EA and 5000EA acoustic window ventilators from Greenwood Airvac make ‘sound’ new additions to the Window Ware range. It can be installed over a 13mm slot and comes with a ventilator and/or a canopy in different sizes and colours. Acoustic Ventilation is used in rooms which require ventilation but still a high level of soundproofing. Minimize condensation and safeguard your windows and frames from potential damage. Ensure a fresh air supply with window vents from Renson. Trickle vents are not required. About this product. So if the ventilator is effectively blocking sound in some way then the vent will let a lot less noise in than the window does when opened just a mm or two. Contact one of our experts. White internal finish as standard. Size: 400mm (L) x 20mm (H) x 22mm (D) Achieves sound reduction of 40dB closed and 33dB open. Typically, standard trickle vent covers offer around 30-35dB noise reduction, whereas an acoustically treated trickle vent cover may offer a 40-45dB reduction when installed perfectly. W. sales@titon. I find them more of a hinderence than anything and was wondering if anyone has any experience with ‘filling them’. Google has come up with various options including, foam around window frame, acoustic glass etc. From optimal and subtle integration in your façade to maximum living comfort thanks to the self-regulating non-return valve and acoustic damping: our R&D makes all the difference in your everyday life. Core drilled – suitable for retrofit installations. Enquire. Simon Air Management have been manufacturing and supplying ventilation and air management systems to the glazing and construction industries for over 50 years. As one of the market leaders in tile ventilator manufacture in the UK, Glidevale Protect’s range has been collated for over 35 years and includes hundreds of dedicated profiled tile ventilators matching almost. Here, you can find the fitting instructions for the Glazpart range of trickle vents used to deliver the required provision of back ground ventilation in dwellings. Smallest acoustic window vents on the market. VAT) Plastic trickle vents with fingertip vent adjustment. In addition, acoustic. The products are made from high. Renson's window vents are no exception: they excel in their clever design. uk +44 (0)28 9061 6505 GB All acoustic vent models have been independently tested in accordance with BS EN ISO 717-1:1997 (airborne sound insulation & BS EN 20140-10:1992) The Simon Acoustic vent canopy is available in white (RAL 9910 HIPCA satin), brown (RAL 8019 matt), black (RAL 9005 matt), tan (RAL 8003 matt), grey (RAL 7016 matt) and silver anodised as standard. If you still think opening a window is the best way. Learn More . Addition of a wet room to an existing building: 5000mm2 EA. Snap on cover panel. 6300mm². Our aluminium vents (look for the reference VAL) have thermal seals to stop draughts when closed. For use on timber and upvc windows and doors. Trickle vents are background ventilators integrated into window frames and door frames to allow a 'trickle-feed' of constant airflow from the outside to an internal space. Tried to get the same stuff, but now trickle vents are required. 0800 970 4190. New trickle vents are being launched to offer. redeem. Through Frame Trickle Ventilators, Acoustic Trickle Ventilators and Vent-A-Matic provide options to suit a range of needs. Click & Collect. favorite_border. VAT)*. Nineteen different Trickle Vents are reviewed from some of the performance aspects in this paper. Trickle Vents - Flush Fit (White - 430mm) £ 9. Acoustic trickle vents now make it possible to obtain planning permission for new developments that are situated near a busy road, train lines or an industrial site that would have been refused. Trimvent® Select Xtra S13 FOR USE ON PVCU, TIMBER OR ALUMINIUM WINDOWS. Sunny Sussex. 63cm². Acoustic trickle vents for windows. Aluminum canopy. Surface mounted slot ventilator. Nothing stopping you from. A surface mounted aluminium slot ventilator, the Titon SF Xtra Flat Fit Vent is ideal for new-builds or to be retro-fitted. Dutch - Belgium; French - Belgium; Dutch - Netherlands“ Acoustic” trickle vents are widely. About this product. SF Xtra Sound Attenuator (Acoustic) Vent FOR USE ON PVCU, TIMBER OR ALUMINIUM WINDOWS. Enjoy fresh air indoors with window vents. Two stage acoustic attenuator of the Akustik air intake combined with Higroster controller effectively muffles sounds up to 43 dB while maintaining the nominal air flow of 28,4 m 3 /h. Lockmaster AutoEngage. Resources. Lockable restrictor (160mm or 270mm) Click vent. Designed and developed in the UK, Yales SlotVent allows an appropriate amount of air to pass through the window, helping to remove stale air and reduce condensation and mould, as well as enabling people in cities or near busy roads to benefit from ventilation without having to open their windows. Automated control of differential pressure provides your house with a proper volume of air and, in addition, considerably reduces thermal. Place an order within 08h 51m 57s And we will send your order today. Through Frame Design: This is where the trickle vent it often positioned through the head of the frame. Unfortunately, moisture in the air is common in everyday living and it needs to go somewhere and we need changes of air too. Air Brick: Terracotta, buff/sand, white, grey, blue/black, black, brown. Passivent’s Acoustic Aircool range is available as both a window or wall ventilator. One of the major benefits is that it can be installed in the same. Greenwood 5000EAW. Schüco VentoLife is suitable for residential and office buildings and can be integrated not only in the Schüco AWS 50 to AWS 75 SI+ series including AWS BS. wall. 16 years ago. We supply the Greenwood Acoustic vents, designed to reduce noise, and regulate humidity throughout the day. Cowled Super Acoustic Controllable LookRyt® AirCore® (Up to 50 dB Dn,e,w) Controllable air vent for background room ventilation. Do trickle vents let in noise? So trickle vents are terrible for noise intrusion, look ugly and let the heat out. com. 5mm (5000EA) 438mm (5000EA) Illustrations show 2500EA version SF Xtra Sound Attenuator Vent Fixing and Operating Instructions BM504 Iss. Burglar-proof performance is desired in some cases. English Deutsch Français Español Português Italiano Român Nederlands Latina Dansk Svenska Norsk Magyar Bahasa Indonesia Türkçe Suomi Latvian Lithuanian česk. SlimVent is available in 2500mm² and 4000mm² EA ratings. Read More. 39 (0;-2) dB. Take your pick from a wide choice of essential trickle vents, noise-reducing acoustic trickle vents and glazed-in louvre grilles, all available in a wide choice of sizes, specifications and colours, from leading brands RW Simon, Greenwood, Glazpart and Duco. Nat28 wrote: ». Natural Ventilation. Acoustic Ventilation is used in rooms which require ventilation but still a high level of soundproofing. Highest performing acoustic background ventilator. Choice of unit size. 5. Simon Ltd Air Management. Let us know how you want the parts delivered and we can arrange it! New in this edition are rendered CAD images to give a clear view of our products. 125 months. Additional tips to help cut noise emissions from your MEV or MVHR systemThe range includes trickle vents with 2500, 4000 or 5000 equivalent areas (EA), the measure of aerodynamic performance of the ventilator and the measurement specified in building regulations. 5. Suitable for use in wall depths up to 360mm. Replacement windows should be fitted with trickle vents regardless of whether the windows being replaced had vents in them or not if no background ventilation alternative is being installed. Our largest vent, the TVALdB800, is capable of sound reduction up to 42dB Dn,e,w. £3. Glidevale Fresh 99H Humidity Sensitive Wall Vent – BIM Object. 6300mm². . Trickle Vents; Titon SF Xtra 13 Vent 465 x 23mm - White; Zoom. trickle vents are discretely covered with a “head drip” Standard trickle vents are white but it is possible to colour match trickle vents as an option. By installing trickle vents into your doors, you can ef. RW Simon are one of Europe's leading suppliers of domestic air management systems. Trickle Vents are designed to provide fresh air ventilation for improved in-home air quality while the window remains closed and secure. We are official stockists of Rytons Vents. Natural daylight. hello@brookvent. Window vents, also known as trickle vents, are an effective way to improve indoor air quality in dwellings through passive ventilation. Acoustic energy saver humidity sensitive ventFramevent PVCu Ventilator. 5 year old house has trickle vents on every window, which let in a huge amount of cold air even when closed. We are Closed 23rd - 26th December & 30th December - 1st January (Open as usual 27th 28th 29th December Back to normal Hours 2nd January 2024). RW Simon Ltd has an extensive range of Trickle Vents ranging in all different sizes to help achieve the amount of free area or equivalent area required to naturally ventilate a building in order to conform to building regulations, our range includes both. Customers have expressed concern about acoustic insulation, but a home can be ventilated without the window being opened. Our elegantly crafted trickle vents for casement windows come in a range of sizes, styles and colour options meaning there is something to suit every form of window. Suitable for bedrooms and other rooms where low noise levels are a priority. Installing acoustic vents can help to reduce the noise coming from trickle vents, making it easier for people to relax and enjoy their space. Our trickle ventilator products are available for delivery as. Fast retrofit design only requiring a core drill of correct. Product face sheet. Glidevale Ultravent Trickle Ventilator External Canopy Grille - White - External canopy grille provides weather protection and 4mm insect ingress protection. The main performance concerns of Trickle Vents are the ventilation rate, thermal insulation, acoustic resistance, water tightness, and air permeability. 'usually' trickle vents in upvc/alu are 'in frame' as shown below (its the horizontal bar on the top of the frame) Passivent’s range of natural ventilation products includes wall and window ventilators and roof mounted ventilation terminals, all of which can be linked to an intelligent or stand-alone control system. Acoustic FV (Framevent) Supplied with a PVCu internal flap unit and aluminium external canopy. *much* quieter than the master bed. Ventilation is there to improve the quality of life inside houses and offices, which is why our vents – either trickle vents, through-frame vents, over-frame vents, or glazed-in vents – are designed to keep outside noise. Hybrid versions of these products provide part natural/part mechanical ventilation and operate in three modes – mixing, boost and passive. Aquwall HY are specifically designed to operate in conjunction with a routered airflow slot through the frame or sash. Suitable for bedrooms and other rooms where low noise levels are a priority. Place an order within 08h 51m 57s And we will send your order today. Find out how to easily retrofit a trickle vent to your door with our step by step video to guide you. The Freshvent has 2700 mm² equivalent area. 85 +VAT. 1. Continuous Ventilation offers an all round low energy, low noise solution for tenants - and it protects the building effectively. 37,. 55,000mm² equivalent area and space on the window profiles can sometimes be an issue. 14. Airflow is demand based and controlled by the level of humidity in the. 894 The Crescent, Colchester CO4 9YQ United Kingdom. The acoustic range incorporates all the features of the standard Aircool® plus additional acoustic attenuation features. The noise the current ones let in . They're easy to install, cost effective, unobtrusive and easily operated by the occupant. Replacement Locks. We are Closed 23rd - 26th December & 30th December - 1st January (Open as usual 27th 28th 29th December Back to normal Hours 2nd January 2024). Your Price Apply / Login. YS170. We explain what trickle vents are, why you need them, and how to choose products with a. Acoustic windows and glass are NOT a 100% soundproofing window solution but you can achieve considerable noise reduction. Used as soundproof trickle vents, our products help reduce mould. 250-368mm L with air brick fitted. W. In reply to Lewis and Stevie, Builder can use better trickle vents and there are Acoustic Trickle Vents available, if Builder will not come back a local glazing company should be able to help. £7. Through Frame Trickle Ventilators, Acoustic Trickle Ventilators and Vent-A-Matic provide options to suit a range of needs. Trickle Vents are designed to provide fresh air ventilation for improved in-home air quality while the window remains closed and secure. The latest addition to the Simon acoustic range. Enquire. The easiest and cheapest option seems to be replacing my basic trickle vents with acoustic vents. In the closed position the slot trickle option provides upward defl ecting, draught free, ventilation up to 2500mm2/m (Open Area) Geometric Modular Sizes Geometric Equivalent Overall Overall Overall Open Area Area Slot Size Vent Length Hood Length 2000mm2 1705mm2 13mm x 160mm 240mm 205mm 3000mm2 2384mm2 13mm x 235mm 315mm. Aluminum canopy. This is a type of acoustic soundproofing. These may be required by building regulations in. 5 year old house has trickle vents on every window, which let in a huge amount of cold air even when closed. They offer a more durable and reliable solution for house builders and fabricators, with better weathering and acoustic properties, a positive closure, and a more straightforward. Features and benefits: Provides 5000mm² equivalent area from a single vent; Available in 2 sizes: This vent 5000EA - 412mm (L) x 25mm (H) x 70mm (D) Internal/86mm (D) ExternalTrickle ventilation can be provided to ensure there is always an adequate level of background ventilation. Glidevale ALDB Acoustic Trickle Ventilator 4500mm - White. sales@titon. View. Achieves Building Regulations’ EA requirements. Summary 1. + VAT. Trickle ventilation system. The Slimline Ventilator will provide Trickle Ventilation in accordance with the Building Regulations 2000: Part F: Approved Document F1 October 2010 and Scottish Building Regulations October 2011 Standard 3. 73 £ 4. With its built in updraught and various operating modes the TTF Slimline is suitable for all types of windows. Multi-Point Door Locks. Passivent are specialists in delivering natural ventilation and daylight solutions and a leading UK company in the field of sustainable and energy efficient solutions. The vents have an effective free area, in terms of how much air flows through, of around 4000 sq mm. Although it is important for modern homes to be well insulated, properties still require a certain amount of ventilation in order to avoid problems with condensation and damp. 47 (-1;-2) dB. Acoustic trickle vents now make it possible to obtain planning permission for new developments that are situated near a busy road, train lines or an industrial site that would have been refused. Lockmaster 21 . High performance acoustic vents such as Titon’s SF Xtra Sound Attenuator, are also said to offer vastly improved levels of sound attenuation. FREE DELIVERY on orders over £600 (£500 ex. The SF Xtra is factory-made to standard sizes. Recently organised window fittings at a relatives house. VAT - Mainland UK Only (NB: Orders placed after 3pm Fri will be dispatched the. As UK stockists, Window Ware are proud to stock a wide range of RW Simon trickle vents, including framevents, acoustic vents, TTF slimline, as well as their ever popular vent-a-matic circular window vent. Trickle Vents, known also as background ventilators, are natural ventilation devices which can be integrated into façades or window systems as an alternative to operable vents, specifically. They're easy to install, cost effective, unobtrusive and easily operated by the occupant. The acoustic attenuators come in three sizes; 25mm, 50mm and 75mm, which provide different dB reductions. External canopy grille (Glidevale Ultravent Grille, supplied separately) provides weather and 4mm insect ingress protection. bulk or standard packed (as sets or separate internal ventilators & external grills) mix and match colours. £7. Using Trickle vent to reduce noise. View. Sound reduction up to 50db D n,e,w. Reattach the air vent covers and you. 18,395. Acoustic Vents; Glazed in Vents. Make £2023 in 2023. 0800 970 4190. Background Ventilation is a key product for a healthy living environment. Glidevale ALDB Acoustic Trickle Ventilator 4500mm Add to Basket. As of the 15th of June 2022, new regulations were introduced, making it a legal requirement for windows in England to be equipped with trickle vents. The SF Xtra is a high performance, surface mounted aluminium slot ventilator. Single/Multipack. Additional tips to help cut noise emissions from your MEV or MVHR systemAtomicRitual · 07/12/2022 18:18. 144 sold. Trimvent® Select Xtra S13 is a surface mounted plastic slot ventilator that fits over a 13mm slot in a window and provides an Equivalent Area (EA) of 2000mm2, 4400mm2 or 5000mm2. The SM 1000+ is a trickle vent with all the same great features of the SM 1000 – including slimline design, built-in insect grille and simple installation – but also comes with the added benefit of rod control operation. Ventilation levels 47% RH - 2500mm ventilation area 65% RH - 3815mm 2 v entil ao r ENERGy SAVER, HUMIdITy SENSITIVEBuilding regulation changes from 15th June 2022 – trickle vents. The Trickle Vent brings you the Sonovent Acoustic Solution which was developed to meet the two aspects of living comfort: Physical Comfort – fresh and healthy air without draught; Acoustic Comfort – up to 56 dB noise reduction; There are also four types (S/M/L/XL) with four possible air gasps (10,15,20 or 25 mm). What are acoustic trickle vents? Acoustic window vents are the answer! Our range of high-performing acoustic trickle vents for windows block out noise but let fresh air in to create a comfortable, well-ventilated environment that combats condensation. £3. The self-regulating non-return valve prevents annoying chilly draughts, while the window vent itself is also designed for improved acoustic comfort. Mantis 4 . Contact Us. Cowled Super Acoustic Controllable LookRyt® AirCore® (Up to 50 dB Dn,e,w) Controllable air vent for background room ventilation. RRP from £34. Verified 3 months ago . Specifying one different pane thickness will increase sound insulation. Checkout Now. Add to Basket. Enquire now, call 01805 623721. Acoustic; Window Vents; Ancillaries & Ducting; Controls; Discontinued Products; Outlet;. Dimensions. Yale Trickle Ventilators - Yale UK. We supply trickle vents from manufacturers such as Greenwood, Glazpart and RW Simons. The available models differ in acoustic insulation levels (35, 38, 40 and 42 dB). Concealed and surface-mounted. It will also provide far better ventilation, with a constant flow of clean, filtered air, than. Established in 1958, R. 66 Inc. Hi All, Moved into a new build back in a September and by law the windows have to have trickle vents. Designed and developed in the UK, Yales SlotVent allows an appropriate amount of air to pass through the window, helping to remove stale air and reduce condensation and mould, as well as enabling people in cities or near busy roads to benefit from ventilation without having to open their windows. You would have to research whether they would be suitable to retrofit to your windows. Window Acoustic Trickle Ventilator Sonovent. Ideal for both timber and PVCu, the Framevent has been specifically developed for the volume market. . W. g. VAT) Plastic trickle vents with fingertip vent adjustment. The 13/16” dimensions are always constant; therefore the body length is always 1-5/8” shorter than the overall length. Natural daylight, as well as natural ventilation, are recognised factors in improving the wellbeing of a building’s occupants. Resources. The RW Simon Ltd TTF Slimline window trickle ventilator is a through frame trickle ventilator that is a robust, yet stylish aluminium ventilator. Ones which are. Advice on Trickle Vents on New House UPVC Windows. For effective ventilation, our Rose Collection sash windows are available with trickle vents fitted to the top of the sash. Range includes:2500EA4000EA5000EAInternal Vent Yale brandedPre-fitted clipsVent can be tilted 30. Adjustments to slot heights may be needed to achieve the EQA requirements. Installing acoustic vents can help to reduce the noise coming from trickle vents, making it easier for people to relax and enjoy their space. uk +44 (0)28 9061 6505SF Xtra Sound Attenuator (Acoustic) Vent FOR USE ON PVCU, TIMBER OR ALUMINIUM WINDOWS. The ProSound Acoustic Vent system in white is a high performing acoustic background ventilator, providing up to 55dB reduction (Dn,e,w) and suitable for wall thicknesses of 140mm and above. Manufacturers and suppliers of ventilation and euro hardware products; trickle ventilators to window handles, locking and hinge systems to mechanical ventilation products. Titon SF Xtra 13 Vent 465 x 23mm - White. Up to 29 db Dne W. AAC125HPCWL. I am in a new build house (4 years old) and I am looking to improve the soundporoofing to the front of the house. ACOUSTIDRAIN. Trickle Vents allow you to have a small aperture in a window for a controlled amount of ventilation. Trimvent® Select Xtra S16. Ventilation systems. 02 Please note the Vent Units or the Canopy Units can be fitted in conjunction with the Greenwood Acoustic window ventilator (White ) Quantity. Energy saving, reduces over ventilating. You can get acoustic trickle vents that are supposed to reduce sound from outside. UPVC & Wooden Windows. Environmental Noise Assessment K. Buy Air Vents at Screwfix. However, thanks to ECOSlide’s ingenious design, this isn’t an issue. Window ventilation is essential, and is also enforced by the building regulations. If the windows are modern double glazing with trickle vents, it may be beneficial to replace the vent covers with acoustic trickle vent covers. In addition, acoustic vents can also help to improve the overall acoustic quality of a room by absorbing excess sound waves. Acoustic SL (Slimline). Resources. Went to a neighbour who had new stuff put in a cpl years with acoustic lamination and it was perfect - virtually completely silent. 400mm. If a property is located in a noisy area, near a busy road or airport, a noise attenuating ventilator (acoustic vent) can be used. Sometimes the best way to achieve the best acoustic performance in new build applications is to upgrade from a traditional ventilation strategy, e. Flush fit | White ABS Plastic | 300mm long x 20mm wide x 10mm deep (2,700 mm2 free area). Acoustic Trickle vents. Unfortunately, there’s no hiding the fact that they can look unsightly. They are situated at the top of windows and can be easily adjusted through the use of cords, rods or simply by hand. TTF Slimline Ventilator. Titon SF Xtra Flat Fit Vent (surface mounted). Flush fit | Brown ABS Plastic | 300mm long x 20mm wide x 10mm deep (2,700 mm2 free area). 00) - Casement Window. Any cooling of the internal temperature in winter from a trickle vent is marginal. Trickle vents are by far the cheapest and most practical solution to achieve the regulations for both new build and replacement markets. Can be installed in internal wall constructions of between 100mm and 150mm. Greenwood Acoustic window ventilator (White ) Quantity. Suffix product code with:-020 (white), -001 (SAA. co. This is particularly important in areas where this is more likely to happen, including. Q. CALL FREE: 01707 830 732; Today's opening times: 8am - 6pm. Our window vents are subtly integrated into your façade — and their acoustic damping comes as a bonus. Internal and external grilles U. Trimvent® Select Xtra S13 FOR USE ON PVCU, TIMBER OR ALUMINIUM WINDOWS. This can be fiddly so it may be easier to cover the whole inside with acoustic foam before you start adding in the panels. VAT. While you’re waiting, glue more foam on both sides of each panel or alternatively glue on mass loaded vinyl. Window Vents & Trickle Vents | Zehnder Group UK | Zehnder Group UK Ltd Window vents, also known as trickle vents, are an effective way to improve indoor air quality in. All vents are supplied with pre-fitted. 2060 (1) 2200 (1) 2500 (2) 4000 (2) 4300 (1)Acoustic laminated glass; Sash Horns. Explore our product database and get technical information on VELFAC product ranges - including open features, accessories and more. Our 3. Available in 2 sizes: This vent 2500EA - 250mm (L) x 25mm (H) x 70mm (D) Internal/86mm (D) External. Acoustic window vents are the answer! Our range of high-performing acoustic trickle vents for windows block out noise and help to soundproof, along with allowing fresh air in to create a comfortable, well-ventilated environment that combats condensation. Availability: Item stocked in our warehouse. Performance required. Buy Now. The ProSound Acoustic Vent system in white is a high performing acoustic background ventilator, providing up to 55dB reduction (Dn,e,w) and suitable for wall thicknesses of 140mm and above. All new and replacement windows will need to meet these regulations or will fail the FENSA inspection, and will therefore not be eligible. Surface mounted noise reducing acoustic trickle vent. Glass-fitting Ventilators. Windows can be new or already installed, our trickle vents fit with almost all window types. £3. 78 (ex. 125 months. 00. The Acoustic Vent range is perfect for installations in areas where there are high levels of noise. Generally, to gain maximum performance, the size of the acoustic attenuator should be mirrored on the vent and canopy; and. Trimvent XC16 uPVC/Timber Window Vent - Canopy - 312 x 16mm - White. Greenwood Acoustic 2500EAW. Many homeowners, architects and double-glazing companies prefer to avoid trickle vents as they can affect a property’s overall aesthetics, energy efficiency and acoustic performance. VAT) Plastic trickle vents with fingertip vent adjustment. The SM 1000+ is a trickle vent with all the same great features of the SM 1000 – including slimline design, built-in insect grille and simple installation – but also comes with the added benefit of rod control operation. Yale Lockmaster KeyTurn . Passivent’s Litevent is a controllable roof ventilation. Your SM 1000+ can be mounted on your existing windows and made to your exact. Trickle vents built into the frame will allow noise to seep into the room even when the window is shut tight. The XS13 is a direct replacement for the S13 range, using the same slot measurements but offering a much greater. EN. Horizontal strip, aluminium ventilator for windows with internal adjustable flap for airflow control. The smallest slotvent in the market 5000mm² Equivalent Area Performance from the smallest vent at 410mm long High levels of background ventilation are required when applying System 1 of the Building Regulations in new dwellings; Intermittent Extract Ventilation and Background vents e. The SM 1000+ is a slim, unobtrusive surface mounted window vent that offers trickle ventilation. Hit & Miss: 271mm L x 95mm H. BV, BV - TV. Trimvent® Select Xtra S13 is a surface mounted plastic slot ventilator that fits over a 13mm slot in a window and provides an Equivalent Area (EA) of 2000mm2, 4400mm2 or 5000mm2. BPD Store stocks Passivent’s range of window tricklevents. 08 Inc. Range includes: Standard through frame. VAT) Order Quantity. Acoustically damped pipe fitted around unit to reduce external sources of noise such as traffic. acoustic result. Sound reduced by 43 dB with internal grille fully open and 50 dB when closed ( Dn,e,w) (tested by BRE Acoustics) 8,500mm² (85cm²) equivalent area. In reply to Lewis and Stevie, Builder can use better trickle vents and there are Acoustic Trickle Vents available, if Builder will not come back a local glazing company should be able to help. People feel the draught and close the vent or think the room loses its heat. Trickle Vents by "Simon" we have these vents available in various colours and sizes. This can be fiddly so it may be easier to cover the whole inside with acoustic foam before you start adding in the panels. Qty BPD Store. £395. Acoustic windows and glass are NOT a 100% soundproofing window solution but you can achieve considerable noise reduction. Stocking part F compliant window trickle vents from brands like Glazpart, Greenwood & RW Simon.