Xfort MailPlate Slimline 12" Letterplate Polished Brass, Premium Draught Proof Postal Letterbox, Telescopic Sleeved Letter Box For Wooden, Composite And uPVC Midrail Doors With 40-80mm Door Thickness. Outside doors Brush or hinged-flap draught excluders, fitted along the. FREE delivery Mon, 14 Aug on your first eligible order to UK or Ireland. Installing letterbox draught brushes can also help to. There are four main areas to consider draught-proofing: Keyhole – buy a purpose-made cover that drops a metal disc over the keyhole. For Internal & External Use. 99. 79Prevents draughts coming through the letter box with draught proof brushes and cover; PVC cover gives added protection from draughts; Quick and easy to fit, with pre-drilled fixing holes; Fixings included; NOTE. Details. 34 £4. It keeps the home heating temperature in check. This will be between 20 and 40mm thick. STORMGUARD 06SR0310000G Letter Box Cover with Brush & Flap for Internal OR External Use-Gold Finish, External dimension 293 x 77mm (Internal Aperture 254mm x. 6cm) Door Letterbox - Fits 40-80mm Doors, Anti-Snap Flap, Internal Draught Excluder, Adjustable Letter Box for. Before purchasing a letter plate, ensure that your letter box opening on your door is the correct size for the letter plate you. 4: Level up and fit remaining screws. Xfort MailPlate Luxe 12" Letterplate Satin Brass Trim, Premium Draught Proof Postal Letterbox, Telescopic Sleeved Letter Box For Wooden, Composite And uPVC Midrail Doors With 40-80mm Door Thickness. 41 Inc Vat. Get it. I have a similar issue with a wooden front door. FREE Delivery by Amazon. Stormguard's letterbox plate and seal is a high-quality and secure product meant for indoor use. DIY draught-proofing will be cheaper. 6cm) Door Letterbox - Fits 40-80mm Doors, Anti-Snap Flap, Internal Draught Excluder, Adjustable Letter Box for UPVC. Sale. Block gaps drilled for pipe work. £9. Even small drafts have a big impact on thermal comfort, often resulting in having to set heaters to a higher temperature to maintain thermal comfort. The Ecoflap letter box draught excluder. External dimensions: 292 x 75mm / internal aperture size: 256 x 46mm. 00 – £720. 4. 11 Inc. This would depend on the type of door. 66 £4. Product Description. Fit draught seals around doors and windows. 3. uk: large letter box draught excluder internal. . Many letter boxes available only open to 90 degress, soDiall Letter Box Draught Seal White 342mm x 80mm (674FR) Diall Letter Box Draught Seal White 342mm x 80mm. What shouldn't. Gap at the bottom of the door – use a brush or hinged flap draught excluder. (Image credit: The Chimney Balloon) What alternative chimney draught proofing methods are there? Just as when draught proofing a front door or your windows, there are many. 0 out of 5 stars 42We can plug our chimneys with a Chimney Sheep® so why not draught-proof our letterboxes too with a letterbox draught excluder? Doing so will: Save you money – whilst your letterbox is often overlooked as a serious source of concern when it comes to draughts, if you are keeping a close eye on your energy bills, every little helps!Reduce the cost of bills by preventing heat loss through your letterbox with this high quality Magflap which can easily be fitted internally or externally and is available in 3 colours. Add some curtains: full length. 10” Intumescent Letterb. Draught Proof Letterplate or Tidy 292mm Polished Chrome I404248. There are a few main sections of your door that can let in draughts – keyhole, letterbox, gap at the bottom, and around the edges. It’s worth draught-proofing your internal and external doors. £1499. Shop the whole range at Homebase To fix these, think about: Investing in a keyhole cover. Draught-proofing external doors can stop a lot of heat from escaping, and won’t cost you much. 25. Stop those pesky draughts sneaking through your letterbox and warm air escaping with our easy to install letterbox draught excluder. Jenson Herringbone Grey Draught Excluder. Carlisle Brass Victorian Letter Plate Satin Chrome 278mm x 96mm (6423P) compare. A high quality ABS framed draught proof letterbox, combined with an integral intumescent liner and fitted with various types of finishes of letter flap. 99. 3 out of 5 stars 1,034 £14. 4. Outdoor mats; Letterbox plates; postcatcher; Draught strips; Brush seals; View all; PRODUCT INFORMATION. . Our sleeved design Prostyle letterbox is the ultimate in draught proofing with a combination of external foam seals and internal nylon brushes this letter plate maximises weather sealing and draught proofing on front doors. FREE delivery Sun, 6 Aug on your first eligible order to UK or Ireland. 1 out of 5 stars 170. When draught-proofing your home, remember that you do need to maintain ventilation in each room otherwise you’ll be prone to mould and damp. 99Here are our draught proofing tips that may enable you to turn your thermostat down a couple of degrees and save money on your energy bills. Add to. But it is a relatively easy fix to make a draught proof door. Order before 3pm for Next Working Day Delivery. 10 Inch Letterbox Choose from our great selection of 10" boxes. Letterbox flaps or brushes, and keyhole covers. The correct internal aperture size is: 254mm wide, 39mm high. Also the brushes stop draughts at the point of entry, making the letterplate draught-proof. Shop Xfort MailPlate Surround 10" Letterplate White, Premium Draught Proof Postal Letterbox, Telescopic Sleeved Letter Box for Wooden, Composite and uPVC Midrail Doors with 40-80mm Door Thickness. Stormguard Sleeved Letter Box Black 295mm x 75mm (3815V) (12) compare. Cumbria Action for Sustainability gives permission for this content to be used for non-commercial, educational purposes. Home; Shop. Customer reviews. Stormguard Internal Letter Box Plate with Flap Draught Excluder - Chrome Effect. It keeps the home heating temperature in check. Buy Letter Boxes at Screwfix. 69 from Amazon. Draught proofing is one of the best ways to improve the thermal efficiency of your home. 50+ bought in past month. 69 from Amazon. on its exposure to wind so if you are on a hillside or near the coast then it is even more beneficial for you have good draught proofing. Xfort MailPlate 10" Letterplate Polished Brass, Premium Draught Proof Postal Letterbox, Telescopic Sleeved Letter Box for uPVC Doors with 20-40mm Door Thickness. Add to Basket. Brush strips that are fixed to sliding sash windows and rubber strips for casement windows are both effective. The good news is that draught-proofing is easy and our DIY draught-proofing guide will help you plug those gaps and stay cosy at home. The edges and top should also be properly sealed to stop heat from leaking out and cold air from entering your home. Purpose-made covers feature metal. 0 out of 5 stars 986. Construction. These brushes are unique to UAP products and serve to make your letterbox catcher draught-proof, help postmen navigate letters through. UAP Petit Master 10 Inch Letter Box. Options. Draught-proof your windows and doors. Choose an option Black Chrome Gold Silver White. 00. How else can I draught-proof my house? You may have guessed but we are rather big fans of draught. Product Details Delivery Info Returns & Refunds Info. Video: How to Draught-Proof Doors A draught excluder can help stop heat escaping through gaps in frames, windows and doors. Shop STORMGUARD 06SR0310000G Letter Box Cover with Brush & Flap for Internal OR External Use-Gold Finish, External dimension 293 x 77mm (Internal Aperture 254mm x 40mm). 6K views 1 year ago. Menu. Draughtproofing windows;Xfort MailPlate Luxe 12" Letterplate Satin Brass Trim, Premium Draught Proof Postal Letterbox, Telescopic Sleeved Letter Box For Wooden, Composite And uPVC Midrail Doors With 40-80mm Door Thickness. Foam Seals Reduce Noise. Manufactured by the same company as many of our letterplates, it's designed to fit on the inside of your front door and 'tidy' the hole also works as a draught excluder. Draught Exclusion & Insulation. Save 7%. Buy Front Door Letter Box and get the best deals at the lowest prices on eBay! Great Savings & Free Delivery / Collection on many items. Save 5% on any 3. Letterbox Draught Excluders. 5. INSTALLATION 1. Front Door Letter Box Cage Post Mail Catcher Guard Dog Proof White Large. HOME; WEBSHOP. This video demonstrates how to fit the Stormguard letterbox draught excluder. I have what seems to be an original victorian wooden front door with glass panels in the upper half and a brass letterbox down at ground level. The Chimney Balloon is designed to be inflated inside the flue to fill the space — a small vent ensures good ventilation is maintained. 1. Fit loft lids over down-lighters and insulate over these. energy-saving draught proofing insulating anti-arson anti-virus fireproof anti-theft anti-vandal maintenance-free security letterbox non-invasive fitting crime prevention expels any volume of liquid elegant ; Exceeds the requirements of BS EN 13724:2013 and TS 008:2022 ;Bottom Of Door Rain Deflector - Gold Aluminium - 914mm Long. Double glazing and secondary glazing are also measures that can be used to prevent draughts. More information can be found at: Energy Efficiency and Historic Buildings: Draught-proofing Windows and DoorsXfort MailPlate 10" Letterplate Satin Brass, Premium Draught Proof Postal Letterbox, Telescopic Sleeved Letter Box for uPVC Doors with 20-40mm Door Thickness. 99 £ 16 . Amazon. Block gaps around old beams. Magnetic letterbox draught excluder High quality, easy to fit and proven to work! Reduces cost of bills, by preventing heat loss through letterboxes Unlike other draught excluders, Mag flap's magnetic closing doesn't let the heat out or the cold in. The fixing studs can then be shortened so that they do not protrude, and the nut fixed with a box spanner or socket. 11 Inc. com. Was: £13. Sealing drafts saves you money on heating and cooling your home, and makes. We supply a wide range of around and centre door seals, bottom door seals, threshold sills, foam and EPDM self-adhesive seals, letterbox covers and rain deflectors. To allow fresh air to circulate, make sure. Compare Selected. Not to mention the comfort of rooms that have less of a draught, the seals will also block heat and make your air conditioning more efficient. 99 Inc Vat. Pay in 30 days. Xfort MailPlate 10" Letterplate Satin Brass, Premium Draught Proof Postal Letterbox, Telescopic Sleeved Letter Box for uPVC Doors with 20-40mm Door Thickness. Replacement sill, casement sash, and mullion are typical repairs and reflect the wide range of prices. Draught proofing your loft hatchWe have, however, found success with the Ecoflap, a new, robust letterbox insulator, which is screwed onto the inside of the front door and removes draughts completely and has so far stood up to. Victorian Letter Plate Polished Chrome 250mm x 75mm (44774) (14) £12. Secondly, there is the option of not having a letter box in your door. 22 £3. Quick & easy to fit. FREE Delivery by Amazon. 99. Amazon. 99 – £ 13. Fowong Weather Stripping 12mm (W) x 6mm (T) Gasket Seal Foam Tape – buy for £8. Shop Xfort MailPlate 12" Letterplate Polished Brass, Premium Draught Proof Postal Letterbox, Telescopic Sleeved Letter Box for Wooden, Composite and uPVC Midrail Doors with 40-80mm Door Thickness. Merriway BH05982 StormSeal Letter Mail Box Brush Cover Draught Excluder with Flap for Internal or External Use, 343 x 80mm (13. Xfort MailPlate Pro 12" Letterplate Satin Chrome, Premium Draught Proof Postal Letterbox, Telescopic Sleeved Letter Box for Wooden, Composite and uPVC Midrail Doors with 40-80mm Door Thickness. Wickes Door Number 8 - Brass. Was: £13. Save 5% on any 3. Additional tidies,. Using. Letterbox – use a letterbox flap or brush. Brush Strips Resist Draught. Starting at £4. The Energy Saving Trust states that you can save up to £50 — or 10% — on your annual heating bill by draught proofing. extractor fans: these quickly remove damp air from moisture-dense rooms like kitchens, bathrooms and utility rooms. Delivering to London W1D 7 Sign in to update your location All. Letter box flaps open to 180˚Adjustable sleeve to suit 40-80mm doors. Keypak 12 inch (30. 1 out of 5 stars 168. FREE delivery Sun, 27 Aug on your first eligible order to UK or Ireland. The letterboxes are adjustable to suit door thickness of 40mm – 80mm. Northampton, Northamptonshire. If your letterbox is missing one of these then they’re well worth the. Here at Culley's Hairy Worm, we specialise in rubber and plastic products, especially focussed on sealing products and engineering components for draught proofing. Xfort MailPlate Pro 12" Letterplate Satin Brass, Premium Draught Proof Postal Letterbox, Telescopic Sleeved Letter Box for Wooden, Composite and uPVC Midrail Doors with 40-80mm Door Thickness. Letterbox brushes are designed to prevent draughts in a building. 3. • Draught proofing a whole house might cost £75-£90 (depending on the size of the house). We can plug our chimneys with a Chimney Sheep® so why not draught-proof our letterboxes too with a letterbox draught excluder? Doing so will: Save you money – whilst your letterbox is often overlooked as a serious source of concern when it comes to draughts, if you are keeping a close eye on your energy bills, every little helps! To find the correct one for your door, measure your letterbox and buy an excluder large enough to cover the hole. Reviewed in the United Kingdom on 30 December 2018. It’s also wise to check the rubber seal of the door for any dryness or signs of and give it a clean of. Benefits of Draught-proofing: Energy efficiency, reduced condensation, cost-savings. If you were thinking of replacing your letterbox, shop around for some draught-proof letterboxes. 100+ bought in past month. 99STORMGUARD 06SR0170000G Metal Brush Gold Letter Box Cover Draught Excluder Use Finish, External dimentions 338mm x 78mm (Internal Aperture 279mm x45mm) - - Amazon. UAP MailPlate 12" Letterplate Matt Chrome, Premium Draught Proof Postal Letterbox, Telescopic Sleeved Letter Box for uPVC Doors with 20-40mm Door Thickness. Click & Collect. Xfort MailPlate Slimline 12" Letterplate Polished Brass, Premium Draught Proof Postal Letterbox, Telescopic Sleeved Letter Box For Wooden, Composite And uPVC Midrail Doors With 40-80mm Door Thickness. To stop draughts from doors, fit rubber, foam, brush or wiper strips. New. Order before 3pm for Next Working Day Delivery. Outside doors Brush or hinged-flap draught excluders, fitted along the. Look for obvious gaps. Sizes & info. 2. com. £126. Free delivery on eligible orders of £20 or more. 100+ bought in past month. Gaps need to be filled – use a hinged flap draught excluder or a brush to cover the bottom of the door and use foam, brush or wiper strips around the edges. Wickes 838mm Door Brush Draught Excluder - Wood (14) £13 . PVC Brush Letterplate - Draught Proof Letterbox - Brown Flap - Stormguard . From the Anvil From The Anvil Blacksmith Letterbox Black. These are attached to the frame. Good use of draft proofing could reduce your air permeability to around 10-15 meters cubed per hour which is a good low cost way of reducing you heating bills. Black Antique Iron Tudor Letter Box 13. 74 £8. 4. Skip to main content. Anti-Snap Flap: Makes letterbox flaps snapping off a thing of the past. 1: Line up the top centre hole with the centre of the door aperture. Interior doors: Cut draughts with ‘snake’ draught excluders, brushes or similar. The most effective way to draught proof your letterbox is by using Magflap! We're a family owned business that prides themselves with quality hardware products and. Brush Letterbox Excluder Gold I318160. But it is a relatively easy fix to make a draught proof door. 9 out of 5 stars. These usually come as a unit with pre-drilled holes for easy fitting. Choose an option Black Gold Silver White. MY ACCOUNT. Here's a guide on how to install self-adhesive draught-proofing strips. £1399. Keypak 12 inch (30. If you can feel a cold draught, it indicates that heat is escaping from your home. 99. Draught proof the edges of your loft hatch. 5 out of 5 stars 2. Brush Strips Are the only option for sliding sash windows. In addition to saving money on your energy bills, these letterbox draught excluder are also recommended by the police as an excellent anti theft device as it helps to prevent important. 100+ bought in past month. Was: £15. 1 out of 5 stars 471 £15. A simple and cost-effective way of saving energy and money by reducing heat loss and preventing draughts. Premium Draught Proof Postal Letterbox, Telescopic Sleeved Letter Box for uPVC Doors with 20-40mm Door Thickness. Spring-loaded rattle-free metal cover gives added protection from draughts. This item: Xfort MailPlate 12" Letterplate Polished Chrome, Premium Draught Proof Postal Letterbox, Telescopic Sleeved Letter Box For uPVC Doors With 20-40mm Door Thickness. £1299. FREE delivery Tue, 24 Oct on your first eligible order to UK or Ireland. Outside doors Brush or hinged-flap draught excluders, fitted along the. The edges of a door can be one of the main areas causing a draught. Draughts coming through a letterbox is a common problem. Order Stormguard Brush Letter Plate Chrome 292mm x 75mm at Screwfix. It will reduce the air permeability. Xfort MailPlate 10" Letterplate Matt Chrome, Premium Draught Proof Postal Letterbox, Telescopic Sleeved Letter Box for uPVC Doors with 20-40mm Door Thickness. 99 £ 12 . 85 £25. Easy to fit as new or retro fit as a replacement for your old, worn and broken letter boxes. 99 £ 14 . In simple terms this means that draught proofing is probably the most cost effective and efficient way to make your home warmer. 0 out of 5 stars It’s fine - supplied screws are too long. How to choose Energy efficient doors. £9. Xfort MailPlate 10" Letterplate Matt Chrome, Premium Draught Proof Postal Letterbox, Telescopic Sleeved Letter Box for uPVC Doors with 20-40mm Door Thickness. Visit door-line and discover how our high-quality flaps can help you get through the winter months comfortably and cost-effectively. If the strips are not adhesive, use screws to secure them in place. For Internal & External Use. Save 5% on any 4 qualifying items. For solid wooden doors, it is possible to remove the letter flap, cut a block of wood to the dimensions of the gap and slide it in place. Find out how to draught proof doors. VAT RRP £157. Internal aperture 70mm x 290mm. Fit a letterbox cover or draught excluder. Can any of you expert mumsnetters find a suitable draught excluder where I have failed? To further complicate matters, it is a vertical rather than a horizontal letterbox, so a closing mechanism that depends on gravity is also not suitable. The best fix at the bottom of a door is to use a door sweep. Doors are fairly cheap and easy to draught-proof yourself and doing so can make a huge difference to the temperature of your home. 0330 818 7480. Details. £14. Christmas Spirit Draught Excluder. Moreover, the bottom requires a different fix to the rest of the frame. Heating your home is expensive enough without losing it unnecessarily through your letterbox, or worst case, cold winds still enter. Draught Proofing Draught proofing (or draught exclusion) is one of the easiest and most cost-effective methods of cutting energy costs across your premises, particularly in. Overall Size / Aperture / Fixing Centres. FREE next day delivery available, free collection in 1 minute. In the event of a fire the intumescent liner expands rapidly and seals off the letterbox opening, preventing the spread of fire and smoke. Maybe a friend could hold the draught-excluder in. Install a hinged flap or draught excluder for the bottom of the door. A keyhole cover is a metallic disc that stops draughts and slides to the side when you put your key in – a cover costs about £3. com: draught excluders for doors. This item: Xfort MailPlate 12" Letterplate Matt Chrome, Premium Draught Proof Postal Letterbox, Telescopic Sleeved Letter Box for Wooden, Composite and uPVC Midrail Doors with 40-80mm Door Thickness. uk Let's explore the different letter box and keyhole draught proofing methods available and show you how to install them, which for the most part is an easy DIY job. Letterbox draught excluders are popular, as are letterbox plates, which stop cold air getting in without interfering with any mail deliveries – they cost under £10. Block gaps drilled for pipe work. Even the keyhole and letterbox are likely culprits for those pesky draughts if not draught-proofed effectively. 4 out of 5 stars 200 £16. 29 from Amazon. Save 5% on any 3. 96. Draft Proofing Your Letterbox & Locks. Main Colour. 49. Fitted with integral sound. Draught Exclusion & Insulation. Letter Box Cover Draught Excluder For Internal Use Prevents draughts coming through the letter box with draught proof brushes Quick and easy to. Self Adhesive Door Draft Excluder Soundproof Weather Proof Draught Excluder for Doors 2" W x 39" L White. uPVC letterboxes usually fall into 3 size ranges. £13. While a new door should be draught-proof, several things can affect its performance. Delivery Next day available. Option Two – Seal the Letterbox. If you look at your front door, for example, you’ll notice there are four main areas you could draught-proof: Keyhole – you can buy purpose-made covers for keyholes. Get it tomorrow, 18 Nov. Xfort MailPlate Luxe 10" Letterplate Satin Chrome, Premium Draught Proof Postal Letterbox, Telescopic Sleeved Letter Box For Wooden, Composite And uPVC Midrail Doors With 40-80mm Door Thickness. This Stormguard Draught Excluder is a great option for your front door, garage door or sliding doors. Doors that allow a cold draught to enter a room through the gap between the door and the floor can be quickly remedied using a stocking or one leg from a pair of tights. Draught Seal - Internal Letter Plate Brush Seal - 342mm x 80mm - Brown Frame With Black Brush. The Energy Saving Trust estimates that full draught proofing can save you £55 per year. Our range of door draught proofing products include: Bottom of the door brush and rubber seals for the inside of the door and rain deflectors for the outside. Details. Whether you're looking for traditional letter box or a wall mounted mailbox - Homebase has you covered. £4. In Stock | SKU: 9533CP. Tie the open end loosely. So if you have an existing draughty letter box then this might be just the ticket. Save 5% on any 4 qualifying items. Select Options. 4. 25. Skip to main content. 99 Inc Vat. 26 £16. For Use. 96 £8. uk. Save 5% on any 4 qualifying items. Made and manufactured in the UK, the Chimney Sheep Letterbox Brush Seal is available to order. 14 Inc. com. The best concept for decorative outdoor mats, letterbox plates, draught strips and professional brush seals. Keep the cold out this winter with our selection of door draft & draught excluders. Draught proofing measures to try if you’re a dab hand at DIY Thick curtains Fitting curtains made with heavy material can reduce heat loss through a window at night. 1/5. Originally tried EPDM draught excluder but the problem with that is because it's a fixed size then you. EAN: 664404713913 SKU: Sleeved Letterbox Categories: Door Accessories, Home & Garden, Other Door Accessories Tags: door, draught proof, letterbox. I am very happy and would recommend this product to anyone looking for a draught proof letterbox on a budget. Fillers such as decorators caulk or silicone. The Astro Telescopic Letter Box 12 inch letterplate has many features not found on standard letterboxes, such as the trademarked Anti-Vandal facility. 15 Inc. Handyperson. Take a look at the outlet for your kitchen extractor fan. Choose a letterbox with a draught excluder to eliminate draughts. 3. Reviewed in the United Kingdom on 15 April 2023. Draught-proofing any door in your home that goes to the outside can prevent heat from escaping. This can help reduce your home's energy consumption. 4. There are a number of options when it comes to draught proofing doors that are all worth considering: Get a keyhole cover: Even the smallest of gaps will be letting a draught into your home. 95Say goodbye to chilly draughts and rain seeping through your letterbox. To make sure you’re getting the most out of your home, it might be a good idea to consider draught-proofing your external door. The best concept for decorative outdoor mats, letterbox plates, draught strips and professional brush seals. 10% coupon applied at checkout Save 10% with coupon. Fitted with integral sound. Helpful. For internal use only. It features durable bristles that are both draught-proofing and designed to last, and an aluminium casing available in several finishes to suit your door. Was: £13. 47 Inches) Length: 33. 1 out of 5 stars 173. One of the best-known and most commonly used methods for draught proofing windows is to attach weather seals or weather stripping between the windows and their frames and this is most certainly a technique worth considering when looking at how to insulate your house. The most effective way to draught proof your letterbox is by using Magflap! We're a family owned business that prides themselves with quality hardware products and. Letterbox draught excluders are available in a range of colours to match the decor of your home and the style of your front door. 99To draught proof a front door, purchase a key hole cover and letterbox draught excluder. There is uneven gap all the way from 2mm to 12mm. Best Seller. Add to basket. Figures for England, Scotland and Wales are based on fuel prices under the Energy Price Guarantee running from April 2023 to the end of June 2023. 99Xfort MailPlate 12" Letterplate Satin Brass, Premium Draught Proof Postal Letterbox, Telescopic Sleeved Letter Box for uPVC Doors with 20-40mm Door Thickness. Our most popular retail items include seasonal double glazing film and insulated outdoor tap covers. Measure the external dimensions of the central telescopic sectionDraught-proof the letterbox. Prevent cold draughts from entering a home with the. 99. Stormguard Foam Under Door Seal 914mm Grey. It's been on my front door for about 8 months now and is still working perfectly; a quick. £14. Compare. PVC Brush Letterplate - Draught Proof Letterbox - Chrome Flap - Stormguard. Casement removed, minor defects made good, draught seal machined to perimeter and fitted with new hardware to improve security. $23. £39. PVC Brush Letterplate - Draught Proof Letterbox - Chrome Flap - Stormguard . Wide range of high quality letter flap finishes to add a decorative look to your door. 3 out of 5 stars 1,128 #1 Best SellerPrevents draughts Coming through the letter box with draught proof brushes and cover. Since October 2010, all new doors have to have a U Value rating of 1. Get it tomorrow, 19 Nov. A quick and effective way of draught proofing your letterbox. Easy Install~ The internal letterbox draught excluder measures 335mm x 75mm and attaches very easily to the inside of your door- requiring no tedious DIY work. £5. DIY draught-proofing will be cheaper. The letterboxes are adjustable to suit door thickness of 40mm - 80mm. Starting at £19. Aluminium & Plastic Construction. Letter box draught seal reduces draughts entering the home to enhance comfort and save energy. 23* £15. Premium Draught Proof Postal Letterbox, Telescopic Sleeved Letter Box for uPVC Doors with 20-40mm Door Thickness. However, complete with thick brush strips- a draught proof letterbox, acts as a barrier to draughts, wind and rain, whilst also preventing warm air from escaping. Amazon.