Gallows-BracketsA steel gallows bracket is triangular frame used in pairs and bolted to the party wall, with a precast concrete lintel used as chimney support. Whether gallows brackets chimney support provide adequate support for a chimney stack when chimney breasts below are removed will depend on a number of factors:

    • Party Wall Agreement must first be produced by the respective owners and will usually consist of three parts:
      • A set of guidelines describing how the proposed works should progress.
      • A schedule of condition of the adjoining property, often supported by a set of photographs.
      • Drawing(s) showing the details of the proposed works.
    • Have chimney breasts been removed from the adjoining property sharing the party wall? If they have been removed and gallows brackets chimney support have been used, then the use of gallows brackets will not be acceptable.
    • The thickness of the party wall between the chimney breasts should be at least 215mm thick in order to be strong enough to support the gallows brackets and remaining chimney breast and chimney stack.

gallow-brackets-chimney-support

    • Have chimney breasts been removed from the adjoining property sharing the party wall? If they have been removed and gallows brackets chimney support have been used, then the use of gallows brackets will not be acceptable.
    • The thickness of the party wall between the chimney breasts should be at least 215mm thick in order to be strong enough to support the gallows brackets and remaining chimney breast and chimney stack.

gallow-brackets-stack

  • The weight of the brickwork to be supported should not be to great however otherwise gallows brackets chimney support will not be suitable.
  • The brickwork of the chimney should be bonded to the party wall otherwise the chimney will need to be temporarily supported until the new supports are in place. It is critical that all Health and Safety planning is in place before any work is done.

Hylton Chimneys can install gallows brackets chimney support at minimum cost to you. Call us for more details on 020 8346 2254 and speak to one of our advisers

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