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Replacement entrance doors - noise and heat insulation

  • 08-05-2023 10:39am
    #1
    Registered Users Posts: 40


    I am looking to replace our existing front doors.

    We have an old solid wood front door with a single glazed side panel. This is set into the house. 

    There is a porch that we enclosed with a sliding aluminium door and fixed panel, double glazed but very old.

    We have a noisy road nearby. The current situation is acceptable in terms of noise insulation, but I definitely don’t want to hear any more noise.

    We have a quote of approximately 10K to replace both with Aluclad triple glazed units. 

    My question is do we need to replace both? Do we need to have triple glazing on both?

    Other houses on the estate have removed the outer porch doors, if we did this, would we notice an increase in road noise? The units are similarly priced, so we save approximately €5k by only getting one set of doors.

    any help much appreciated,



Comments

  • Registered Users Posts: 528 ✭✭✭mike_2009


    Check on neighbours that have done similar and ask to step in for a minute? They may not be as close to the road though.

    I would have said 1 good door is enough. I've a Palladio Composite door facing a council wall over which is a busy road but I'm about 10 meters back. Handles noise well and I know from stepping inside a passive house in a rain storm, the silence after the door shut was immense. 1 door can be enough in the right house.

    Really down to the quality of the door and installation but it will improve things a lot. Could you just get the inside one done now and keep the porch one - test leaving porch door open and closed and see if there's a significant difference? Can remove the porch one later?

    My old door was wooden with single glazing and not a patch on the new one. I got a slightly wider new door for easier access and positioned it centrally so it can fully open which is a nice touch. Possibly consider an external postbox and don't put in a letterbox, although they are well designed, heavy springs and brushes to keep draughts out, that may be a weak point in a few years/decades?!



  • Registered Users Posts: 2,569 ✭✭✭Yellow_Fern


    Not the most useful comment but one thing to do is have an external postbox, rather than a slot. Less glass the better also.



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