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Draughtseals

SDH stocks one of the widest ranges of draughtseals and compression weather seals for timber doors and windows in the joinery industry. Our range includes Deventer, Trelleborg, Aquamac, Foamteq, Aquatex, and various other brands that suit a retrofit application or a newly manufactured window.

We keep Exitex door thresholds in Silver, Gold & Black, and we also can source Stormguard thresholds. Our range of traditional waterbars comes in various lengths in Plastic or Galvanised Steel.

Included in our draughtseals collection you can find door thresholds, foam weather seals, and retro-fit draughtseals.

Explore our range of other products for all your sash and door hardware needs, such as our glazing accessories, sash window furniture as well as sash window seals.

How do draught seals help improve energy efficiency in homes or buildings?

Draught seals prevent unwanted air from entering or escaping through gaps around doors and windows. By blocking these draughts, they help maintain a more consistent indoor temperature, reducing the need for excessive heating in winter or cooling in summer. This, in turn, improves energy efficiency by lowering the amount of energy needed to keep a home or building comfortable.

What are the different types of draught seals available for doors and windows, and how do they function?

There are several types of draught seals available, including:

  • Brush Strips: Made from bristles, these are often used on doors to prevent air infiltration while allowing movement.
  • Foam strips: Self-adhesive foam that compresses when a window or door is closed, blocking air leaks.
  • Rubber or silicone seals: Flexible materials that fit around door or window frames, offering a tight seal when closed.
  • Thresholds: Prevent draughts end water ingress at the bottom of the door when the door is closed.

Each type of draught seal functions by covering gaps and preventing airflow, improving the thermal barrier between the interior and exterior.

How can draught seals help reduce heating and cooling costs in a building?

By blocking draughts, these seals prevent heat loss in winter and reduce heat gain in summer, meaning less energy is required to heat or cool a building. As a result, energy bills are reduced, and heating and cooling systems do not have to work as hard, extending their lifespan.

What materials are commonly used to make draught seals?

Draught seals are typically made from materials such as rubber, silicone, foam, and plastic. Brush seals use nylon or other synthetic bristles, while door sweeps may incorporate metal or plastic backing with a sealing strip of rubber, vinyl, or silicone. These materials are specifically selected for their excellent insulating properties, as well as their resistance to UV exposure, water, and extreme temperatures.

How do you properly install draught seals on doors and windows to maximise their effectiveness?

To maximise the effectiveness of draught seals, ensure the surface is clean and dry before installation. Measure and cut the seal to the correct size, ensuring it fits snugly against the door or window frame without impeding movement. For adhesive seals, firmly press them into place to ensure they adhere properly. Regularly check and replace worn or damaged seals to maintain their effectiveness.

What are the best brands of draught seals for windows and doors?

Some of the best and most reliable draught seal brands include:

  • Deventer: A dutch firm that specialises in high-quality sealing profiles for wind, sound, and water insulation. Their unique concept and high tolerance capacity make them a leading choice for energy-efficient solutions.
  • Schlegel: Originally an American brand, Schlegel is now owned by the British company Tyman PLC. Renowned for its high-quality weather seals, Schlegel offers a durable and effective range of seals for windows and doors, designed to reduce drafts.
  • Exitex: Exitex is a well-established Irish brand specialising in sealing solutions for doors and windows. They provide a range of draught-proofing products for both residential and commercial buildings.
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