Steel entry doors – The cheapest insulation solution will be the plastic sponge seal with an adhesive part. It is also easy to apply in the cracks. First, however, to use it, you must make sure that all contact areas are clean. So that they will not lose their effectiveness and function over time. For good protection, however, recommend replacing them all the years before winter. Another possibility is to put aluminum strips, provided with a groove, which is able to adapt the door frame. It will, however, serve a scraping in the areas where the rust is present. And this with a metal brush, then it will need to pass a protective paint hand.
And also a meticulous application made by means of special iron nails. It is of utmost importance to protect all air bubbles that usually come from below the steel entry doors. Those areas are the ones most affected by infiltrations. There are two types of barriers available on the market: the first one is the most classic one, consisting of a linear brush. With aluminum cover and a profile, and which, having already provided holes, ensures a simple and optimal mounting. In the commercial kits, the fastening screws and end caps will also be supplied.
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The paraffle is very similar to the brush above. It can be put under the steel entry doors. And with a polyamide gasket instead of the bristles. They will have the advantage of collecting much less dirt or dust that will unfortunately fall underneath. They are also equipped with a side button. Which will ensure easy removal, whenever you need to clean? They do not wear out of bristles, so they will not need replacement in the next time. This solution is also sold with a mounting kit with fixing screws and side caps. It has various holes in its structure. So as to ensure a simple application, even for people who will be less experienced. Clearly they will have a higher cost.