To seal the gap between a door and the floor via special floor seals or drop-down threshold or draught system is important to achieve the soundproofing required. The most common design is the automatically retractable seal or drop-down seal - a seal profile automatically be lowered down from rubber or similar bears on the floor or a special bar. Other systems are emerging seal (seal at the lower door edge seals on a threshold) and the threshold gasket (leaf seal at the lower door edge seals with protuberance emerging from plastic or metal). Noise is not only uncomfortable; it is stressful and can even make you sick. Even a small noise can be stressful in the long run. Therefore, soundproofing internal doors are important. At Doors4UK there is always an option as the doors can be fire rated, soundproof or as standard without any features, and what is most important they will have the same finish.   No matter how loud it is outside, soundproofing brings the peace that a person needs - to feel good, to sleep, to leave.