39 (0;-2) dB. £3. Acoustic FV (Framevent) Supplied with a PVCu internal flap unit and aluminium external canopy. Enquire now, call 01805 623721. Acoustic windows and glass are NOT a 100% soundproofing window solution but you can achieve considerable noise reduction. The complete acoustic kit (EHT + 125 mm duct + acoustic foam + acoustic canopy) can attain an acoustic attenuation of 52 dB, which places it among the best products available on the market. Contact Your Account Shipping &. Schüco decentralised ventilation systems stand out from. Buy Air Vents at Screwfix. Google has come up with various options including, foam around window frame, acoustic glass etc. com Learn about the acoustic performance and ordering information of the EAR42W acoustic vent, one of the best performing acoustic vents available in the UK. They're easy to install, cost effective, unobtrusive and easily operated by the occupant. You can get acoustic trickle vents that are supposed to reduce sound from outside. Glazpart is proud to launch a new range of plastic injection moulded trickle ventilators to meet the needs of today’s building designers, window fabricators and installers. to the body to ensure acoustic performance is achieved. Resources. View. As the name suggests, these are trickle vents with added insulation. Trickle ventilators (or trickle vents) provide this effective background ventilation for a home, contributing to a healthy living environment by enabling unobtrusive and controllable whole-room ventilation. This makes the vent even easier to use. Free postage. RW Simons Ltd PVCu Trickle Vents range is called Framevent and is the latest addition to our extensive range of window ventilators. Product Opening in Vent Slot Size Equivalent Air-flowframe/sash Dimensions. Trimvent® Select Xtra S16. Our 3. The drawing they have provided is an over the frame vent, and not typical. V. Resources. Our window vents are subtly integrated into your façade — and their acoustic damping comes as a bonus. Smallest acoustic window vents on the market. Stuff the Vent With Acoustic Foam. The 13/16” dimensions are always constant; therefore the body length is always 1-5/8” shorter than the overall length. Optional internal acoustic extension. Additionally, they help remove stale air from the property, which is very helpful if there are any odours lingering in your home. Simon Ltd Air Management. Ventilation is routed over the frame or head of the window. favorite_border. Hi, I purchased a new build property during 2016, which came with double glazed windows and trickle vents. Resources. Acoustic trickle vent. Greenwood 5000EAW. With its built in updraught and various operating modes the TTF Slimline is suitable for all types of windows. Q. The RW Simon Ltd TTF Slimline window trickle ventilator is a through frame trickle ventilator that is a robust, yet stylish aluminium ventilator. 2500EA. 5 year old house has trickle vents on every window, which let in a huge amount of cold air even when closed. 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. Keep your trickle vents open. Hit & Miss: 271mm L x 95mm H. No projection when closed. 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. Available in 3 standard sizes and six standard colours, the unit. To help you find the right products for your needs, all our ranges are. W. Our ventilation hardware provides optimum levels of air ventilation, and have been designed with security and energy efficiency in mind. Single. Improved Db reduces noise to new levels of performance, especially in the closed position. TAL4H&M- '9x3' Acoustic AirLiner® Set with Hit & Miss Ventilator (Up to 39dB Dn,e,w) Controllable air vent for background room ventilation. 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. Learn More . VAT. Your Price Apply / Login. VAT - Mainland UK Only (NB: Orders placed after 3pm Fri will be dispatched the. Now, firstly, I know trickle vents are installed to ensure a property stays ventilated, etc, but mine are driving me mad! I honestly don't see the point in having double glazed windows that the benefits of which are to be energy and noise efficient, then whack a hole in the frame that negates the benefits of both!Cover the sides and top and bottom of your air vent with acoustic foam as you go. With the inclusion of high efficiency acoustic foam the product reaches an acoustic attenuation of up to 42. Product Code: 12674. Range includes:2500EA4000EA5000EAInternal Vent Yale brandedPre-fitted clipsVent can be tilted 30. 57 Ex. favorite_border. Sometimes the best way to achieve the best acoustic performance in new build applications is to upgrade from a traditional ventilation strategy, e. I find them more of a hinderence than anything and was wondering if anyone has any experience with ‘filling them’. The trickle vent is constatntly closed due to the noise, will an acoustic vent be a significant improvement on a closed vent or only compared to an open basic vent. High performance acoustic vents such as Titon’s SF Xtra Sound Attenuator, are also said to offer vastly improved levels of sound attenuation. 125mm Acoustic Core Ventilator with Hit & Miss. Availability: Item stocked in our warehouse. Then simply cut a space in the foam to glue each panel in. Suitable for use in wall depths up to 360mm. 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. I discuss sound mazes in more detail in the article linked above, but watch this video for steps on how to build a sound maze. Suitable for bedrooms and other rooms where low noise levels are a priority. Ones which are. However all future homes will require continuous mechanical extract to circulate air and even CMEV. 497mm (5000EA) 215mm (5000EA) 173. Acoustic Trickle vents. It is the shortest ventilatior available on the market capable of provding an Equivalent Area (EA) of 5000mm 2 and can be fitted with a plastic or aluminium canopy. Trickle Vents - Flush Fit (White - 300mm) £ 5. The room must achieve an internal noise level of 35 dB(A) over the duration of the measurement period. More about us. This is due to sound reduction levels being measured differently for trickle ventilators when compared to windows. stabilised UPVc. Uses no electricity or mechanical power. Surface mounted window vents are specifically designed to operate in conjunction with a routered airflow slot through the frame or sash. The Glidevale range of trickle ventilators (tricklevents) can be used to provide background ventilation in all types of building. . wall. 1,393 posts. stabilised PVCu, it reflects the growing. Internal baffle reduces light and draughts. The best acoustic attenuation reached so far by a trickle vent is the effect of combining our reliable Ventair TRDn controller with a two-stage acoustic attenuator installed in our Ventair Akustik air intake. Greenwood Acoustic 2500EAW. THIS AREA IS CURRENTLY BEING UPDATED – PLEASE FEEL FREE TO DOWNLOAD BROCHURE FOR FULL INFORMATION>. As the name suggests, these are trickle vents with added insulation. 09 (ex. FREE DELIVERY on orders over £600 (£500 ex. Installing a background ventilator through a wall that provides the equivalent areas described in Approved Document F, volume 1 can be an. This Video Is A HOW TO Guide on Fitting A Chlo Products Trickle Vent to A Window. Zehnder ComfoAir Range. What are acoustic trickle vents? 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. Trickle vents provide ventilation to any room without needing to open the window, which reduces external noise levels. Window Acoustic Trickle Ventilator Sonovent. Adjustments to slot heights may be needed to achieve the EQA requirements. test – a standard Titon slot vent and a so-called ‘acoustic’ slot vent. 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. £59. Achieves Building Regulations’ EA requirements. Surface mounted noise reducing acoustic trickle vent. #1. Where high acoustic performance is required trickle vents should be avoided as they will have a detrimental effect. This includes products such as the surface mountable SM Acoustic window vent, which offers an acoustic reduction of up to 40dB while open. Glidevale ALDB Acoustic Trickle Ventilator 8000mm. Explore our product database and get technical information on VELFAC product ranges - including open features, accessories and more. They are commonly operated by opening or closing a flap depending on the need for ventilation. stabilised. Trickle Vents Framevent Hi-Flow (Anthracite Grey - 415mm) An Anthracite Grey trickle vent designed to help comply with Approved Doc F 2021, whilst maintaining the aesthetic of the Framevent range | 415mm Length x 28mm wide. Horizontal strip, aluminium ventilator for windows with internal adjustable flap for airflow control. Trickle Vents - Flush Fit (White - 430mm) £ 9. 5 2 ratings. External cowl reduces light and draughts. Meets World Health Organisation recommended reduction of 33dB. Resources. Glidevale Acoustic Energy Saver Humidity Sensitive Trickle Ventilator is a humidity sensitive, acoustic through frame window vent. It’s an awful solution to a very really problem. Unfortunately moisture in the air is common of everyday living and it needs to go somewhere and we need changes of air too. Generally, to gain maximum performance, the size of the acoustic attenuator should be mirrored on the vent and canopy; and. Passivent are specialists in delivering natural ventilation and daylight solutions and a leading UK company in the field of sustainable and energy efficient solutions. Acoustic Window Vent. Acoustic Vents. Manufacturers and suppliers of ventilation and euro hardware products; trickle ventilators to window handles, locking and hinge systems to mechanical ventilation products. 5mm (2500EA) 215mm (5000EA) 29. Sound reduction up to 50db D n,e,w. Find out how to easily retrofit a trickle vent to your door with our step by step video to guide you. Our cutting-edge technology is used to assist people in their needs to curb noise pollution and to enjoy peace and quiet. Acoustic trickle vents: noise-reducing acoustic vents are also available for external windows, facilitating the flow of air in and out of a building, while helping to prevent the ingress of external noise. Automatic, no user input. Good luck kaintheo, Jan 20, 2008 #4. W x H x D: 260 x 90 x 7mm. However, thanks to ECOSlide’s ingenious design, this isn’t an issue. New builds do not have to have trickle vents, if mechanical ventilation is fitted, which in my opinion should have been standard many years ago. Add to Basket. 5. TTF Slimline Ventilator. com / 01206 713801 Product Product Code (L) Length (W) Width (P) Projection Closed-Open Free Area (mm2) Slot Detail SF Xtra 2500EA Vent only TA5220 425 23 10-24 4207 SF 418 Canopy only TA5005 418 23 27 5114 SF Xtra Sound Attenuator 2500EA Vent 25mm TA5221 464 35 37-51 3470Glidevale Fresh 90dB Acoustic Wall Vent – BIM Object Download. Trickle Vents – Routed For Flush Fit. Trickle Vents are designed to provide fresh air ventilation for improved in. £2. Nineteen different Trickle Vents are reviewed from some of the performance aspects in this paper. Trickle vents must be left in the ‘open’ position to provide ventilation; Bear in mind that with uncontrolled ventilation, moist air and odours are spread around the home, often condensing in, or on, the fabric of the building. The latest addition to the Simon Acoustic Range - Please get in contact for more. 14. Delivery. The purpose of trickle ventilators is providing a consistent flow of fresh air. - Enables secure, weather resistant ventilation with exclusion of. When acoustic ventilation is required this should also be considered at the design stage, as the noise factor may actually pre-determine the method of ventilation that will be used within the dwelling. Suitable for replacing vents in windows. • Multiple trickle vents may be required to meet minimum airflow requirements. Trickle vent with acoustic damping. 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. Share. Up to 29 db Dne W. THIS AREA IS CURRENTLY BEING UPDATED – PLEASE FEEL FREE TO DOWNLOAD BROCHURE FOR FULL INFORMATION>. Performance required. It is the shortest vent available to provide 5000mm² EA. We also offer the acoustic window trickle vent range in a selection of anodised finishes. Just because you cover the vent. Both window and wall vents are a popular. Trickle vents provide effective background ventilation in a home, which may help to minimise the severity of health problems like. When the vent was removed, leaving just the opening, thereGreenwood Acoustic Vents. 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. However, the changes will not apply in relation to building work where a building. Buy As Trade Add to Basket. Specifying one different pane thickness will increase sound insulation. See full list on envirovent. Universal Compatibility: Ventsys Adjustable Trickle Vents are compatible with various window types, uPVC, wood and aluminum. Trickle vents are activated with a single finger and provides passive. 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. Substantial sound reduction of up to 39dB Dn,e,w. Burglar-proof performance is desired in some cases. Installing acoustic vents can help to reduce the noise coming from trickle vents, making it easier for people to relax and enjoy their space. Acoustic Vents; Glazed in Vents. Acoustic FV (Framevent) Supplied with a PVCu internal flap unit and aluminium external canopy. You can get acoustic trickle vents for windows which apparently stop sound much better than ordinary ones. Inc. News: Titon Appoints New CFO. Classification Pr_30_59_94_90. Verified 3 months ago . . The vents are available in their standard colour, but can be colour-matched to order. 4. The drawing they have provided is an over the frame vent, and not typical. Acoustic STC –TV250 Vent and Canopy – open 35dB – closed 49dB. Bi-Fold Folding Slide . Trickle vents ruin any acoustic performance gains. VAT) Plastic trickle vents with fingertip vent adjustment. Environmental Noise Assessment K. Energy saving, reduces over ventilating. The SM ACOUSTIC offers 2500mm2 EA airflow whilst simultaneously providing up to 40 db DneW sound reduction, even in the open position. Find many great new & used options and get the best deals for Acoustic Energy Saver Trickle vent at the best online prices at eBay! Free delivery for many products!. Sometimes the best way to achieve the best acoustic performance in new build applications is to upgrade from a traditional ventilation strategy, e. Special colours available on request for all trickle vents; Felted gasket for increased performance; When specified correctly complies with Building Regulations; Technical Information Close . A factor of 40 would be 10,000 times below ambient. This makes the vent even easier to use. Ex. Qty Glidevale ALDB Acoustic Trickle Ventilator 8000mm Add to Basket. 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. The SlotVent range comes in three sizes – 2500EA, 4000EA and 5000EA, which means they can be used on their own or in combination to reach the 4000mm 2, 8000mm 2, or 1000mm 2 Minimum Equivalent Area thresholds now required for bathrooms, kitchens and habitable rooms in either multi-storey or single-storey dwellings. 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. £7. Will help to reduce condensation. Designed to be a functional part of a window that lets air circulate through your home, according to Building Regulations, trickle vents come highly recommended. Sunny Sussex. 1. The acoustic attenuators come in three sizes; 25mm, 50mm and 75mm, which provide different dB reductions. View. Passivent’s Litevent is a controllable roof ventilation. Glazpart has taken trickle vents to a whole new level with the Link Vent Mk2 5000! It boasts a compact, low-visibility design with a. Acoustic energy saver humidity sensitive ventFramevent PVCu Ventilator. Established in 1958, R. Habitable rooms and kitchens: 8000mm2 EA. Glidevale ALDB Acoustic Trickle Ventilator 4500mm Add to Basket. Buy Now. These trickle vents are screwed to the frame and can be operated by simple finger control. The Acoustic Energy Saver Humidity Sensitive (TVES4dB) and the Acoustic Low Profile (TVALdB450 and (TVALdB800) reduce sound travelling through the vent, whilst allowing ventilation into the property. Discover how acoustic ventilation can improve indoor air quality and reduce noise pollution with Greenwood, the leading air ventilation system manufacturers in the UK. Five intermediate settings. The overall vent length. All Tools, Fixings & Consumables. Dramatically reduce installation time with an this slimline slotvent with an innovative clip-fitEnjoy fresh air indoors with window vents. The RW Simon Ltd TTF Slimline window trickle ventilator is a through frame trickle ventilator that is a robust, yet stylish aluminium ventilator. - Aluminium profiles with Plastic endcaps. Tools, Fixings & Consumables. 66 Inc. Continuous Ventilation offers an all round low energy, low noise solution for tenants - and it protects the building effectively. New building regulations that come into effect from 15 th June 2022 have implications for any windows that are installed after this date. Titon SF Xtra Flat Fit Vent (surface mounted). Stocking part F compliant window trickle vents from brands like Glazpart, Greenwood & RW Simon. Table 3. The SM 1000 Trickle Vent is a slim, unobtrusive trickle vent. New building regulations that come into effect from 15 th June 2022 have implications for any windows that are installed after this date. FREE DELIVERY on. co. EAQ42W is an acoustic window vent suitable for new build and refurbishment and can be applied to most window profiles with add on sections. Qty BPD Store. co. 71 £ 8. Inc. Surface mounted noise reducing acoustic trickle vent. They may be an excellent solution to cope with the current regulations but if the issue is noise, they can also. Acoustic performance tests by BRE Acoustics. While you’re waiting, glue more foam on both sides of each panel or alternatively glue on mass loaded vinyl. the acoustic attenuation also often typically reduces the airflow. Burglar-proof performance is desired in some cases. Doing this will help further reduce echo. The inclusion of SoundOUT diffuser acheives an improvement in acoustic perfomance of 3 Rw. £7. 5% of substances and particles that are hazardous to health. Acoustic STC – TV425 Vent and Canopy – open 33dB – closed 46dB. There are two width variants, one for use over a 13mm slot, the other for a 16mm slot. 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. In noisier locations, such as near a busy road or an airport, the trickle vent can be designed with additional acoustic options giving even more noise reduction benefits. The vent has one of the highest decibel ratings on the market for a non-acoustic vent. also available as 5000EA - 412mm (L) x 25mm (H) x 70mm (D) Internal/86mm (D) External. 62,Topcashback: £177. Through Frame Trickle Ventilators, Acoustic Trickle Ventilators and Vent-A-Matic provide options to suit a range of needs. Trickle ventilation system. Available in 3 external cowling colours. We do get asked how to cure damp and mould around windows and the first question we ask is "what ventilation do you have in the room". 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. Easy Installation: Our non-invasive installation process is window. This is particularly important in areas where this is more likely to happen, including. Ironically, the spare bedroom (which faces a railway line) has acoustic vents through the wall rather than trickle vents through the window frames and it is. Lockmaster 21 . Nat28 wrote: ». Whatever your query, please get in touch. Glidevale Energy Saver Humidity Sensitive Trickle Ventilator automatically adjusts it flow rate in response to humidity levels in a room. 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. Most doors and windows are available with trickle vents as an optional extra, and the vents can be opened and closed at the homeowners’ discretion. UK Manufacturer of home mechanical ventilation systems and hardware for windows and doors, including handles, hinges, trickle vents and extract fans. Rytons Super Acoustic Controllable LookRyt AirCore is a simple and efficient answer to background ventilation. 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). Highest performing acoustic background ventilator. Mantis 4 . Proposal It has been proposed to redevelop the former Maybloom Club site, Bostall Hill, London, SE2 0RA, toSlimline vent design has clever two stage opening. A range of ventilation rates available. Airflow figures are available on request. Natural daylight. Glidevale TVES4dB Acoustic Energy Saver Humidity Sensitive Trickle Vent – BIM Object Download. The easiest and cheapest option seems to. Trickle Vents. About this product. The XS13 is a direct replacement for the S13 range, using the same slot measurements but offering a much. Granada can install an acoustic trickle vent which has been specifically designed to aid air circulation whilst preventing noise waves passing through it. Performance for the various elements is as follows; Table 2 - Facade element example performance Element Octave Band Frequency (Hz) Noise Level 125 250 500 1000 2000 4000 (dBA) Trickle Vent 373635 34. At the FITSHOW 2013, we launch the first of the “Link Vent” range of patent applied for trickle ventilators. Extract fans in bathrooms and trickle vents in windows, to a central extract system, mechanical extract with fewer - sound attenuating – vents, or all the way to mechanical ventilation with The Freshvent has 2700 mm² equivalent area. White internal finish as standard. Core drilled – suitable for retrofit installations. Most importantly, it influences the health of those who live and work in the building. The comprehensive range of window ventilators provide solutions for all types of application. Your cart will contain total 27 points that can be converted into a voucher of £2. All vents are supplied with pre-fitted. Iv been quoted £90 each ! for acoustic. Schüco decentralised ventilation systems stand out from. Bi-Fold Door Hardware. Window vents let the heat out. This includes windows and doors in newly built homes, windows and doors in newly built extensions, as well as all replacement windows and doors, regardless of. uk info@titon. g. I am in a new build house (4 years old) and I am looking to improve the soundporoofing to the front of the house. All new and replacement windows will need to meet these regulations or will fail the FENSA inspection, and will therefore not be eligible. Four intermediate settings. With Waves, you get to enjoy all the benefits of demand-driven ventilation, without major renovation works. The SF Xtra is a high performance, surface mounted aluminium slot ventilator. Aquwall HY are specifically designed to operate in conjunction with a routered airflow slot through the frame or sash. Ventilation building regulations are changing in England from 15th June 2022. 6300mm². Read More. Equivalent area: 14,427–34,032 mm²/m. Glidevale Protect offers a wide selection of roofing ventilation products suitable for all tile and slate roofs. Background - usually provided by trickle vents installed within a window frame ; Purge - either natural (by opening a door or window) or mechanical . Enjoy fresh air indoors with window vents. With replacement windows the general rule of thumb is to replace like for like. 4000EA. Features Substantial sound reduction up to 50dB Dn,e,w. From manufacturing the first dMEV classified product in the UK in 2007 to our latest release aligned to the 2021 UK Building Regulations, our approach has always been set on delivering a low-energy performance product which. We specified a mix of double and triple glazing across the build, and also installed both standard VELFAC vents (concealed within the. The SM 1000+ is a slim, unobtrusive surface mounted window vent that offers trickle ventilation. Learn More . Dimensions. Contact one of our experts. if you have trickle vents in these rooms then they should be acoustic, otherwise you are circumventing the expensive windows you have just specified/fitted. AtomicRitual · 07/12/2022 18:18. Trickle vents built into the frame will allow noise to seep into the room even when the window is shut tight. Window vents let the heat out. The units are logarithmic, decibels (dB), so a factor of 30 would be 1,000 times below ambient acoustic noise (over some assumed frequency range). 55,000mm² equivalent area and space on the window profiles can sometimes be an issue. Provides acoustic attenuation to Dn,e,w 55dB (A) 2500mm2 equivalent area performance. 50 a set, conform to Building regulations. It is the shortest vent available to provide 5000mm² EA. Trickle Vents are designed to provide fresh air ventilation for improved in-home air quality while the window remains closed and secure. Customers have expressed concern about acoustic insulation, but a home can be ventilated without the window being opened. Titon SF Xtra Flat Fit Vent (surface mounted). Advice on Trickle Vents on New House UPVC Windows. It can be fitted with an XC13 canopy or GS22 grille. Discover more. Trimvent® Select Xtra S16. The SM ULTIMA is a high quality, ABS acoustic window vent offering 2600mm2 EA airflow and providing a 40 db Dne W sound reduction in the. Yeah, it might be the same mechanism as what they use for mufflers (in which you. Adjustable flap aluminium ventilator with acoustic attenuation, for glazing-in to windows, overframe or wall mounting. For example, the SSH 2500EA Acoustic Trickle Ventilator from AW Louvers has a slot height of just 11mm, and can provide a sound reduction of 46Dnew in one acoustic model in open position, and. Through Frame Design: This is where the trickle vent it often positioned through the head of the frame. This can be fiddly so it may be easier to cover the whole inside with acoustic foam before you start adding in the panels. This SlimVent & Canopy set from Yale is a part of our comprehensive range of trickle vents that enables window and door manufacturers to meet the requirements of the latest revisions to Building Regulations Approved Document F in England and Wales, and the Scottish Building Regulations October 2011 Standard 3. View Product. 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. Trickle Vents allow you to have a small aperture in a window for a controlled amount of ventilation. SlimVent has been designed with. Trickle Vents allow you to have a small aperture in a window for a controlled amount of ventilation. Sizes: Length - 465mm Width - 23mm. It will also provide far better ventilation, with a constant flow of clean, filtered air, than. External cup handle for external fitting. Addition of a wet room to an existing building: 5000mm2 EA. com. • Internal controllable trickle ventilator. Manufactured from UV-stabalised HIPS. TTF Slimline Ventilator. New higher equivalent area confirmed by the BRE. What was surprising was the result of testing the ‘acoustic’ slot vent, for which a 35dB reduction was claimed.