Notwithstanding that, we noted that two sets of before and after imagery had been included in the study. The “after” image in the first set contained an increased proportion of warmer colours, which indicated a high temperature, and therefore suggested that a certain level of heat had been retained after application of the tape. However, we noted that there was no red light emanating from the doorframe. As such, we considered that it did not match the imagery used it the ad, nor did it sufficiently substantiate that the tape prevented heat loss across the whole doorframe as indicated by the ad. The second set of images was reflective of the way in which the tape is used in the United States, where we understood that the tape was used to keep homes cooler, rather than warmer. As such, the “before” image radiated a red colour and the “after” image radiated a blue and green colour. We noted that the second set of before and after images matched those used in the ad but that the “before” and “after” images had been swapped to reflect the U.K. consumer’s use of the tape. We considered that it was misleading to use that imagery within the ad to portray the tape’s ability to prevent heat loss because the temperature demonstrated by the image had not been achieved by application of the tape. We further considered that, because the image was taken at a high temperature, and subsequently used to depict the ability of the tape to retain heat, that it misleadingly exaggerated the level of heat that could feasibly be retained by using the product. Its sponge cotton rolls can be trimmed to better fit the length of your door, after which the draught excluder can be attached to the bottom of the door, where it’s secured by elastic, hook and loop tape. Conveniently, the external material is machine washable. Clearcast said they were provided with independent test reports which they considered demonstrated the efficacy of the tape in preventing significant levels of heat loss. Specifically, they stated that one of the reports measured air flow as 0.52 metres per second (m/s) without the tape and as 0.003 m/s when the tape had been applied. They also referred to the thermal imagery and stated that the report showed that, when the tape was applied, the door was warmer. As a result, they concluded that the tape performed effectively and preventing draughts and heat loss.

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The most common type of draught excluder you’ll see is one that sits across the bottom of a door. Typically, it will be the same length as the door and tube-shaped (hence a draught excluder is also known as a door sausage or door snake). You might also come across them in a rectangular or triangle shape. Also available are double-sided door snakes, which have cushioning on either side of a flat part in the middle, which slides under your door. This offers draught protection on both sides. For external doors, there are brush-style excluders that allow for natural ventilation while stopping draughts. The bristles in this type are particularly useful in those instances where the floor is uneven. The ad breached BCAP Code rules 3.1 (Misleading Advertising), 3.9 (Substantiation), and 3.12 (Exaggeration). ActionBecause JML had not been able to sufficiently demonstrate that the draught excluder tape significantly reduced heat loss across doors or doorframes in conditions that were reflective of a UK consumer, we concluded that the ad misleadingly exaggerated the efficacy of the product.

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One of the more cost-effective options on the list, this door brush draught excluder is particularly common and useful for fixing up draughty external doors. The bristles can be cut to fit against the doorframe or floor, allowing it to sweep gently when opened, without dragging across the floor. Decor style – If the draught excluder will be sitting in a prominent place such as a living room, consider a style that matches with your existing decor. This will see it blend in with the surroundings and follow through with the overall aesthetic of your home. Alternatively, you might be after something that stands out. A bright colour among darks, or one of the many adorable character and animal-style excluders can act as a statement piece in your home. READ NEXT: Best oil-filled radiator The best draught excluders you can buy in 2023 1. Fowong Under-Door Draught Excluder: Best overall draught excluder The only real catch here is that this type of draught excluder can be more difficult to install over other versions. Installation requires measuring, cutting if necessary and drilling into the door. If you’re not so handy with tools, we’d give this one a miss.

Protection Against External Influences

We then examined the in-house study. We noted that neither the methodology nor the temperature at which the tests took place were referenced within the study. Because of that, we were unable to sufficiently analyse the conditions under which the test took place. We then analysed the “before” and “after” thermal imagery resulting from the test. We noted that in the “after” image, the colour which denoted a cool temperature, had decreased around the gaps in the doorframe and the middle portion of the door, and that the colour demonstrating a hot temperature had increased across the upper portion of the door. However, we noted that a considerable portion of the gaps between the door, as well as the door itself, remained in colours which indicated a cool temperature and, therefore, that heat loss was still occurring. We considered that did not align with the “after” imagery shown in the ad, in which red light emanated from the whole of the doorframe, nor did it substantiate that the tape would considerably increase the temperature of a home.

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We then assessed the second independent study which evaluated the effectiveness of the tape in preventing draughts and heat loss. Firstly, to test the efficacy of the tape in preventing draughts, airflow was measured both before and after the application of the tape. We noted that after the application of the tape that air flow reduced from 0.52 m/s to 0.03 m/s and considered that demonstrated the tape could be used effectively to reduce airflow and draughts. However, we understood that this test did not measure heat loss or the temperature of the home, and as such considered it did not substantiate the tape’s ability to retain a significant amount of heat across surfaces. Draught location – Consider the location from where cool air is getting into your home. If the issue is mainly draughty windows, or draught from the side of a door, foam tape that you can cut to size and place anywhere will be the best option. The ad must not be broadcast again in its current form. We told John Mills Ltd t/a JML to ensure that they did not misleadingly exaggerate the efficacy of the Navy Seal Draught in the absence of adequate substantiation.Shift to the next level measurement process (from manual to automated, or to on-line measurement; automation) For the following locations next day delivery may take up to two working days: Aberdeen (AB 30-35, 41-54), Northern Highlands (AB 36-38, 55-56), FK (17-21), HS (1-8), IV (All), KW (0-14), PH (15-32, 34-48), Eire (Republic of Ireland) (EI (ZZ75) (All)), Glasgow (G 83), Guernsey (GY 9), Oban (HS 9, KA 28, PA 20-99, PH 33, 49-99), Isle of Man (IM (All)), Arran (KA 27), Orkney Shetland (KW 15-99, ZE (All)) and Cornwall (TR 21-25).