greenwood trickle vents. The internal mechanism opens from the bottom to provide easy trickle ventilation. greenwood trickle vents

 
 The internal mechanism opens from the bottom to provide easy trickle ventilationgreenwood trickle vents  Have a look at Approved Document F on the Planning Portal

| sales@windowware. Burglar-proof performance is desired in some cases. These are generally used in properties to help prevent mould and mildew from accumulating, particularly on bathroom or kitchen walls by allowing air to circulate from the outside in and vice versa. Next. Next. Add to Basket. 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 changes to Approved Documents F, L & O come into effect from the 15th June 2022. Several trickle vent sizes are available in the UK - You can find them outlined in Document F. Slotvent 3000 S With Bottom Operation Switch - White available at great trade prices with easy and free returns. Greenwood Trickle Vent F Vent. Greenwood trickle and acoustic vents. They should be large enough to allow for adequate airflow but small enough to avoid blocking. 0 (2) 39 in stock. Can be fitted to give updraft or down-draft. Ideal for both timber and PVCu, the Framevent has been specifically developed for the volume market. Paxton Fob 695-644 Net2 Proximity keyfobs Box, one Color, 10 Count (Pack of 1) £4110. tan (light oak) and cream (RAL 1015). uk | 01234 242724 Room Minimum equivalent area (EA) of. No more products. Buy Now. As low as £15. Versa Greenwood Slot Trickle Vent 305mm White - 3000s. £1999. Buy Now. 748 inch) -White. net - Chlo Products Ltd - Retail Division Description: Leaders in the supply of window ventilation systems, stockests of CPS, Greenwood, RW Simons & more. Delivered with 7 year warranty, a spirit level for easy installation and IPX5 rated so the unit can be installed in Zone 1. The ventilator has been designed with upward air deflection to eliminate replacement air. 99Greenwood SB Vents (Bottom Mounted Operation) 305mm 2500EA . GB DIY Store 5 x uPVC Window Trickle Slot Vent White 300mm White - Reduces Condensation, Damp & Steam (5 Pack) 4. L Vent is a the slimmest window vent in the range utilising a small 10mm rout and is suitable for profiles within limited space. Easy to fit and durable, the vents are available in a choice of colours, including Standard White, Bright White, Dark Brown, Tan, Cream, as well as dual colour options on specific models. domestic ventilation solution to improve indoor air quality in dwellings. RRP from £6. Ventilation. Top-rated Plus seller . The system dilutes moisture in the air, which is then dispersed through trickle vents and natural ventilation leakage. The brown version is now obsolete and no longer available. Colour: White, Brown or Caramel. Where To Buy This Product. Trickle Vents allow you to have a small aperture in a window for a controlled amount of ventilation. Your cart will contain total 27 points that can be converted into a voucher of £2. stabilised PVCu, it reflects the growing. Was: £15. 60£. • Night vents do not count and cannot be used as a method to provide background ventilation. Buy Greenwood S Vent Screw Covers part of our Greenwood range at trade only low prices for next day delivery. We have a vast range of vent sizes to choose from and to help you use our replacement guide on how to fit trickle vents. RRP from £6. The S Vent is a classically styled through-frame Slotvent that provides background passive ventilation in line with the requirements of the current Building Regulations ADF 2010. Load More. There are no current changes to the Building Regulations in Wales. I am in a new build house (4 years old) and I am looking to improve the soundporoofing to the front of the house. Suitable for timber, UPVC and aluminium. Add to basket. 43* £0. Greenwood F Vents 383mm 2500EA . Can be fitted to give updraft or down–draft. Page 1 of 1. Manufactured from rigid PVCu, the S Vent is simply screw fixed to the window frame and is supplied with push fit screw covers to conceal fixing points. 09 to £10. First, consider the size of the vents. Performance & Dimensions. The vent size you use depends on the window size and room dimensions. 1,590. 2,191 sold. 2a Due to the nature of the performance approach, ventilation system design is moving away from a standardised approach as each type of dwelling will require a different ventilation rate. Greenwood UPVC Trickle Vent 6000SFW Slot Vent 550mm Long in White or Brown Colour: White Or Brown Overall Length: 550mm Overall Width: 22mm Operation: Front faced finger lever to open and close Fixings: The screw fixing holes are set approx 10mm from each end. Perfect for new build. Our easy to fit Greenwood 8000HD Trickle vents can be fitted to windows or doors (Upvc or timber), as an aid to controlling condensation. Page Resources Breakdown. One of the best performing acoustic window ventilators available in the UK. co. Can be fitted to give updraft or down–draft. Greenwood UPVC Trickle Vent 6000SFW Slot Vent 550mm Long in White or Brown Colour: White Or Brown Overall Length: 550mm Overall. AC2. Handyandy, Apr 17, 2015. MVHR (mechanical ventilation with heat recovery) is a whole dwelling ventilation system that supplies and extracts air continuously at a low rate with the facility to be boosted as required meeting Building Regulations Part F System 4. 03. Log In. Learn More . *much* quieter than the master bed. Your cart will contain total 27 points that can be converted into a voucher of £2. John added: “It’s important to stress that trickle vents are the most cost-effective way of meeting the new Part F requirement, which is mandatory. You may find they are on 'keyhole' holes in the middle (ie screws are put in the frame before the vent is attached), then the outside screws are put in to secure. 01. if you can't find what you are looking for please ask us we. 5Greenwood Trickle Vents No Trickle Vents CE Brackets (M70) Yes Corner Protectors (M70) Yes Drainage (M70) Base Drainage Restrictors (M70) No Window Locking (M70) Espag Locking Handle Type (M70) Std Inline Locking Handle Colour (M70) Satin Chrome Hinge (M70) Standard Hinges Frame FR2 Style code 11. The ventilator provides outstanding Dn,e,w 42dB (A) for areas with high external noise transmission, those likely in PPG4 categories B, C and D. The joint piece has an extra secure fixing it in to stop the vent from dipping on the middle over time. Constant volume single point extract fan (2 pages) Fan Greenwood CMEV-3 Installation Instructions. 1 Home Entertainment Tech Resource Home. Brand: Greenwood. Supplied with internal controllable vent and white external grilles. 5-10-1645 x 12mm. Using Our Jig. Call us: 08432 898 554 - 03432 898 554. 6 Frame colour White Glass specification (1) 28mm Unglazed Door operation Open OUT Handle height 950mm Frame (Cill) Silver 20mm MI Low Ali Thresh (M70)Greenwood Trickle Vents ) No CE Brackets (M70) Yes Corner Protectors (M70) Yes Drainage (M70) Base Drainage Frame FR3 Style code 2002. a. 85 +VAT. 4 out of 5 stars 173 1 offer from £20. 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 in high-rise buildings. 42. Mr. I need to get trickle vents for my bedroom window. Operation: Front faced finger lever to open and close. 00. Learn More . The Greenwood 5000 EA Slotvent is manufactured from aluminium alloy material with front control operation. 5th extract point can be located at the bottom of the unit. Suitable for timber, aluminium, PVCu or composite windows. Resources. Skip to content. Window 5X Trickle Slot Vent 263mm White for uPVC Double Glazing & Timber Windows Reduces Condensation, Damp & Steam in Windows Fully Adjustable (5 Pack) 1,569. My DIY attempt at removing a trickle vent - no clear videos so sharingTrickle 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. We’ve got window trickle vents to meet every ventilation requirement and fit virtually any casement. The vents are designed to allow the passage of air and reduce heat loss, and are available in various sizes and colours. Our easy to fit Greenwood Trickle vents can be fitted to windows or doors (Upvc or timber). Deflects air up or down, or both; option of complete closure. With over 300 calculators covering finance, health, science, mathematics, and more, GEG Calculators provides users with accurate and convenient tools for everyday calculations. Buy Trickle Vents and get the best deals at the lowest prices on eBay!. Can be fitted to give updraft or down–draft. 500+ bought in past month. Improve indoor air quality with our Continuous Extract Ventilation technology. £24. 500+ bought in past month. Available in White, Brown, & Tan finishes. Available in 252mm (2500EA), 386mm (4000EA) or 467mm (5000EA) lengths. redeem. View moreUnique controllable tilting T-bar. These trickle vents. The Brown Version is Now Obsolete. Adjustable trickle vents, night slot vents & rotary vents offering ventilation for double glazed windows. Show. Besides the new name, nothing else has changed, our. Overall Width: 22mm. 60. Its compact size, of. uk. Suitable for. Merriway BH05603 Windows and Door Fully Adjustable Trickle Vent 400 mm (15. As low as £9. Offers continuous running at a very low rate with extremely low noise levels. These Greenwood trickle vents are designed to provide continuous effective ventilation, helping reduce mould and condensation. Login for trade only low prices. Greenwood SF Series Slotvent Trickle Vent. Find many great new & used options and get the best deals for Greenwood Window Vents 4000S at the best online prices at eBay! Free delivery for many products!. Trickle Vents; Trickle Vents; Chlo Products Vents; Easy Vent; Delta Vents; Titon; Reson Window Vents; Greenwood ; Window Vent Templates; RW simon;Leading ventilation brand Greenwood Airvac, part of Zehnder Group UK, is thrilled to announce it has passed the 1 million unit sales milestone for its EA window vent range. Greenwood Slotvent 3000 S uPVC/Timber Window Vent With Bottom Operation Switch - White . 01. Trickle Vents & Canopies. Greenwood 8000HD Trickle Vent HD Vent Our easy to fit Greenwood 8000HD Trickle vents can be fitted to windows or doors (Upvc or timber), as an aid to controlling. The range of aesthetic and compact window vents was launched to provide the most optimum solution to changes to Part F Building Regulation requirements for trickle vents. Documents. RW Simons Ltd PVCu Trickle Vents range is called Framevent and is the latest addition to our extensive range of window ventilators. Shop Window Trickle Slot Vent 263mm White for uPVC Double Glazing & Timber Windows Reduces Condensation, Damp & Steam in Windows Fully Adjustable. Filtering By. Can be retrofitted and are sold in singles. Window & Door Hardware. HD Vent is a shutter style slotvent offering high equivalent area performances from two models and is available in a range of colours. Overall Width: 22mm. 3 colour options; standard white, dark brown (mahogany), tan. W More Info. 63. The house is a new build (4 years) and the windows are visually fine, I suspect the builder hasn’t used the finest windows money can buy but they seem reasonable quality. Mr. As a result, all contamination inside the fresh air and stale air exhausts will be pushed and blasted. 95. Gets condensation quite a bit and some mould round the window. Ideal for new and existing homes, it has been designed to take on board the continued importance of reducing energy consumption, easy compliance with Regulations and contribution to well-being by eliminating nuisance noise and contributing. 70 . Adjustments to slot heights may be needed to achieve the EQA requirements. Greenwood L Window Trickle Slot Vent for uPVC Double Glazing Reduce Condensation. The store will not work correctly in the case when cookies are disabled. Greenwood SMART technology: Greenwood HumidiSMART™ Unlike others, Centair CMEV. Trickle Vents allow you to have a small aperture in a window for a controlled amount of ventilation. The F Vent is a slimline through frame Slotvent that provides and unobtrusive finish on the window profile when installed and has been designed to provide the background ventilation rates as set out in the current Building Regulations ADF 2010. Sign in Create an account. Find out how to easily retrofit a trickle vent to your door with our step by step video to guide you. tan (light oak) and cream (RAL 1015). How can we improve the . Surface-fixed, no recessing required. Provides effective air ventilation of 27 00mm² (4000S) or 1800mm² (3000S) to reduce mould & condensation. (3) Using a. I am looking for some advice regarding excessive noise through my double glazing. Vent sizes available: V25, V50, V75 and canopy sizes: C25, C50 and C75. 57. Quality trickle vents at a good price, well packaged and delivered on time. The Greenwood plastic trickle vent is available in both 12" and 16" and is used to provide continuous effective ventilation on windows, helping to prevent mould and condensation. Keywords: Trickle Vents,window vents,chlo products trickle vents,greenwood trickle vents,slot vent,trickle ventilation,air vents,window air vents,air bricks,soffit vents,door locks,window handles,replacement window. Key Stats; Available in two models offering 1600mm² and 3200mm² equivalent area (England & Wales) Available in two models offering 2000mm² and 4000mm² free area (Scotland)Stocking part F compliant window trickle vents from brands like Glazpart, Greenwood & RW Simon. These vents can be fitted to open upwards or downwards (internal part only) • Supplied with all caps and fixing screws • All our Quality Trickle Vents carry a 3 years guarantee we also sell Trickle Vent Canopies just ask. co. Its compact size, of just 410mm in. It will enable a user to control the ventilation that comes through the window. Greenwood 305mm SF Trickle Vents Front Operated. EAQ42W is an acoustic window vent suitable for new build and refurbishment and can be applied to most window profiles with add on sections. Order and buy online. The F Vent from Greenwood has a UPVC construction with an unobtrusive slimline profile and it is supplied with the option for clip-fit installation. Greenwood Trickle Vent 400 mm Simon Trickle Vent Recently Viewed. Greenwood UPVC Trickle Slot Vent 4000SFW 400 Long White Brown Caramel. White Trickle Vents. Passive Ventilation. Small 10mm rout. Greenwood UPVC Trickle Vent 6000SFW Slot Vent 550mm Long in White or Brown Colour: White Or Brown Overall Length: 550mm Overall Width: 22mm Operation: Front faced finger lever to open and close Fixings: The screw fixing holes are set approx 10mm from each end. Phone: 01892 600121 Email: info@epicair. Greenwood Trickle Vents No Trickle Vents CE Brackets (M70) Yes Corner Protectors (M70) Yes Drainage (M70) Base Drainage Restrictors (M70) No Frame FR2 Style code 2002. Variable control allowing users to fully or partially close the internal vent achieve the desired flow of natural ventilation. Ventilation building regulations have recently changed in England and Wales. 18. It has a slimline design, a small slot. W. Currency:. Buy Trickle Vents online - this how-to guide we will be showing you how to replace a Titon Trimvent Select Tr. GB DIY Store 5 x uPVC Window Trickle Slot Vent White 300mm White - Reduces Condensation, Damp & Steam (5 Pack) 73. Standard Through Frame Slotvent for passive ventilation, available in 3 sizes offering up to 4200mm² equivalent area. These Greenwood trickle vents are designed to provide continuous effective ventilation, helping reduce mould and condensation. Previous. It will end up oozing out and coming down the frames/glass. £8. Part Code. Available online only and not stocked in B&Q stores Write a review £ 8. Fax: 01276 683315. 37. Continuous running ventilation system (4 pages)Greenwood Airvac SF90T Extractor Fan 4" (100mm) Centrifuglal with run-on timer. Colour: Brown. Learn More . 1 Window system Matrix 70 Chamf Ver 1. Can be retrofitted. Greenwood's 3000S Trickle Vent is suitable for all window types and provides trickle ventilation in line with current building regulations. Positive open and close action. The trickle vent on the inside is controllable in that you can usually switch them on or off (not so for some installations like where gas vents are fitted as an example). Various colours available. The system dilutes moisture in the air, which is then dispersed through trickle vents and natural ventilation leakage. Ideal for night ventilation without compromising security. Performance. Benefits & Installation. Internal wall constructions of between 100mm and 150mm. What are the new regulations? for dwellings regarding ventilation. Provides up to 3200mm² equivalent area. 64. The EAQ42W is one of the best performing acoustic window ventilators available in the UK. Quality trickle vents at a good price, well packaged and delivered on time. Greenwood UPVC Trickle Vent 6000SFW Slot Vent 550mm Long in White. . Our trickle ventilator products are available for delivery as. The Greenwood Acoustic vents provides the perfect solution, delivering an effective level of air replacement while keeping out unwanted noise. Greenwood Trickle Vents No Trickle Vents CE Brackets (M70) Yes Corner Protectors (M70) Yes Drainage (M70) Base Drainage Restrictors (M70) No Frame FR4 Style code 3002. 98 to £10. 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. We are Closed 23rd - 26th December & 30th December - 1st January (Open as usual 27th 28th 29th December Back to normal Hours 2nd January 2024). Length 550mm. Learn More . Unity CV2GIP has been designed to assist in the simple delivery of GIP on-site. This Video Is A HOW TO Guide on Fitting A Chlo Products Trickle Vent to A Window. Suitable for timber, UPVC and aluminium. PIV - Positive Input Ventilation - is a system that supplies fresh filtered air from a well-ventilated loft space or via a wall-mounted unit and delivers it into the house via a ceiling-mounted diffuser. V. Home > Products > Window & Door Hardware > Window Vents. Send us a message. Black Trickle Vents are a beautiful and sleek design that will add a touch of modernity to any room. Zehnder ComfoAir Range. FREE delivery Sun, 10 Sept on your first eligible order to UK or Ireland. 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. 50 to £9. The joint piece has an extra secure fixing it in to stop the vent from dipping on the middle over time. 16" Mahogany Trickle Vent. Benefits. £764. 1Greenwood Trickle Vents No Trickle Vents CE Brackets (M70) Yes Corner Protectors (M70) Yes Drainage (M70) Base Drainage Restrictors (M70) No Window Locking (M70) Espag Locking Handle Type (M70) Std Inline Locking Handle Colour (M70) Satin Chrome Hinge (M70) Standard Hinges Frame FR2 Style code 2002. Snap on quick fit end caps. 16 years ago. Homepage Links Analysis. NHBC and STAS approved. Add to basket Awenta 130x130mm 110mm Duct Wall Ventilation Grille Cover Net Pull Cord Shutter. VAT) Login to add this product to your. 37. VAT. Buy Trickle Vents online - this how-to guide we will be showing you how to replace a Titon Trimvent Select Tr. These Greenwood trickle vents are designed to provide continuous effective ventilation, helping reduce mould and condensation. This Video Is A HOW TO Guide on Fitting A Chlo Products Trickle Vent to A Window. 3. Learn More. Greenwood F Vents 383mm 2500EA . Window ventilation is important for a number of reasons but with these replacement vents you have a UK design with controllable. Greenwood L Vent provides an unobtrusive ventilation solution in line with current Building Regulations and has been designed for use on low profile window frames with limited slot heights. Get it Wednesday, 22 Nov. These items are dispatched from and sold by different sellers. 91 sold . Free Postage. Show. EAQ42W Acoustic window ventilator EAQ42W is an acoustic window vent suitable for new build and refurbishment and can be applied to most window profiles with add on sections. Learn More . This is the new model that replaces the now obsolete S90T model. You’ll also find clear plastic window ventilators that fit directly into the glass. 5mm central gap). 3 colour options; standard white, dark brown (mahogany), tan. Features upward air deflection to prevent drafts. 12 Window system Matrix 70 Sculpt Ver 1. Greenwood UPVC Trickle Slot Vent 3000SFW 305mm Long x3 Colour Options. 3000SFW = 305mm -- Hole Distances centre to centre 286mm. Posts navigation. Greenwood UPVC Duco Trickle Slot Vent 2000SFW 232mm Long in Brown. Using Our Jig. 43* £0. Greenwood Slotvent 4000 S uPVC/Timber Window. £5. Greenwood Trickle Vent L Vent is a PVCu window ventilation system that allows trickle ventilation in line with current Building Regulations. 5000EA The smallest slotvent in the market Smallest slotvent on the market to offer 5000mm 2 Equivalent Area from one single unit. favorite_border. Add to Cart. Your Price Apply / Login. Greenwood UPVC Trickle Vent 4000SFW Slot Vent 400mm Long in White, Brown or Caramel Colour: White, Brown or Caramel Overall Length: 400mm Overall Width: 22mm Operation: Front faced finger lever to open and close Fixings: The screw fixing holes are set approx 10mm from each end. Well, unless you have things in place to 'block' it, you will probably find that as it expands it won't just stay in the trickle vent. RRP : £342. Slotvent 4000. Each Vent Provides 2000mm2 of free area ventilation when Installed in the window / door frame, head, add-on or sash. Trickle Vents by Greenwood are available in various styles & Sizes Starting from 4. Positive open and close action. £1499. 30 Waggon Road, Ayr, KA8 8BA, UK. Tools and Products Needed to Fit Trickle Vents. Trickle Vents. Can be retrofitted and are sold in singles. Snap on quick fit end caps. Variable control allowing users to fully or partially close the internal vent achieve the desired flow of natural ventilation. £4. Feature in a trickle vents have trawled theThe trickle vents are clipped on to the profile that allows the user to control the amount of ventilation that comes through. A robust smooth slim elegant rounded design. £1138 (£11. Greenwood 305mm SF Trickle Vents Front Operated. 95. Greenwood trickle and acoustic vents Simply use the boxes to the left to set your requirements and press search. Equivalent Area is the airflow which passes through the ventilator when it is in the open position, installed on the window profile. Top ventilation brand Greenwood provides products that offer a combination of functionality and aesthetics, to upgrade any window to its full potential. Posted on 26-07-2023 . Supplied as a complete package, the internal mechanism opens from the bottom to provide easy trickle ventilation. Snap on quick fit end caps. Available in a white colour. Titon's range of acoustic ventilation products, from basic. 85 +VAT. Within this category you will find a huge range of trickle vents for wooden, Upvc & aluminium windows. £1499. Get it Wednesday, 22 Nov. These are generally used in properties to help prevent mould and mildew from accumulating, particularly on bathroom or kitchen walls by allowing air to circulate from the outside in and vice versa. A robust smooth slim elegant rounded design. Although this vent supports compliance, we would urge you to read our handy guide before you purchase which summarises the new requirements. An automatic boost is available when required. This is a surface mounted fan. Place an order within 08h 51m 57s And we will send your order today. uk. SF Xtra Sound Attenuator, Liverpool and Manchester. Greenwood Humidity Control Vent (White ) Call us: 08432 898 554 - 03432 898 554. Descriptions; Downloads; The S Vent is a classically styled through-frame Slotvent that provides background ventilation in line with the requirements of the current Building Regulations ADF 2010. Log In. Whether you need white trickle vents to fit a standard 70mm PVCu profile, slimline anthracite grey trickle vents to fit on aluminium windows or. Fed up with condensation & mould? Then look at our range of trickle vents to fit to your windows, giving air flow & ventilation in your living space. Suitable for low profile window frames. Unity CV3 is a smart continuously running (dMEV) fan from Greenwood - launched in November 2017. Positive open and close action. . RRP from £6. The Greenwood 5000EA slotvent is the smallest on the market, delivering 5,000mm² equivalent air flow through one single unit. Positive open and close action. Available in white and supplied with D Vent for inner vent installation. What sets this apart from the rest is that it can distinguish between a hot humid summer's evening and a man-made. Ventilation building regulations have recently changed in England and Wales. Bulk Saving. Inc. . 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) External2500FB – 383mm (L) x 16. Greenwood EA 2500 Trickle Slot Vent White Colour For Upvc Window Ventilation . greenwood trickle vents, slot vent, trickle ventilation, air vents, window air vents, air bricks, soffit vents, door locks, window handles, replacement window vents, plastic air vents. The Greenwood Acoustic vents provides the perfect solution, delivering an effective level of air replacement while keeping out unwanted noise. RRP from £6. Add to Cart. £4. 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. Greenwood 2000DF, 4000DF & 8000HDF Slotvent. . The independent testing substantiated the claimed performance data of the Titon Trimvent Select, SF Xtra and SFX Sound Attenuator trickle vents. Suitable for PVCu, timber and aluminium windows & doors. Premium Quality Trickle Vents Trickle vents are a great solution for condensation and moisture build up which you may have in the area of your windows by drawing the moisture outside through the vent. Given that this is the minimum requirement for habitable rooms, Greenwood has developed the most compact single unit solution. 01. 4eHT –. Trickle vents are adjustable vents situated at the top of a window or door to allow ventilation. Upvc Casement Tilt Turn Window Ventilation Restrictor Arm White Brown. Show per page. 609 sold. Features: 4000 S vent with pullcord operation; Front mounted lever option also available; Achieves up to 3200mm² equivalent area (England & Wales) using 16mm rout height configuration; Vent size: 22mm (W) x 400mm (L) x 23mm (D)Trickle Vents by Greenwood are available in various styles & Sizes Starting from 4. 0 (2) 45 in stock. Tested in accordance with BS EN 1026:2000 & BS EN 1027:. EAQ42W is an acoustic window vent suitable for new build and refurbishment and can be applied to most window profiles with add on sections. The easiest and cheapest option seems to be replacing my basic trickle vents with acoustic vents. Manufactured from tough and strong ASA plastic which is known for high.