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Green Building Bible, Fourth Edition
Green Building Bible, fourth edition (both books)
These two books are the perfect starting place to help you get to grips with one of the most vitally important aspects of our society - our homes and living environment.

PLEASE NOTE: A download link for Volume 1 will be sent to you by email and Volume 2 will be sent to you by post as a book.

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    • CommentAuthorRex
    • CommentTimeJun 4th 2018
     
    What ho one and all,

    A neighbour has asked my assistance in fixing a custom made, very heavy gate to the side of his house.

    It will be fixed to a wood post that is part of a garden arch but will need 6 cms backing between the back of the post and the wall. The total distance through the wood (post and backing) is 12 cms. The plan is to screw into the block and rendered wall, which of course, is around 10 cms thick.

    The issue is, what is the block? Is it thermalite or something more solid? He does not know. My concern is that the top fixing, all the force is basically trying to pull the fixing out of the wall. Given that he does not know the material, what is the best fixing method?

    Either long (200mm?) masonry bolts screwed directly into a pilot or frame fasteners with rawlplug.

    Your thoughts please and thanks

    Rex
    •  
      CommentAuthordjh
    • CommentTimeJun 4th 2018
     
    Why fix it to the house? Why not just sink a gate post next to the house?
  1.  
    Wot djh said

    In addition what is the ground surface? is it possible to put a wheel on the outboard end to carry the load.

    Otherwise can you place a support at both the open and closed position so that the outboard end is supported when the gate is either fully open or shut. This will take a lot of permanent strain off the fixings
    • CommentAuthorRex
    • CommentTimeJun 4th 2018
     
    No, not possible to put a wheel on the outer end as the path is gravel. Could put a bit of paving there, but that is his call. Also, the gate is ready to go and does not have a provision for a wheel support.

    As for why fix to the house wall, again, not my call. He has a rinky dinky garden arbor that would normally have roses growing up it. He wants the gate hanging from this, and the only way is to screw to the wall.

    The gate will mostly be closed so I guess there could be a support. But my question is, what is the best way to fix into thermalite or breeze blocks? Don't know what the construction is as it is covered by render.
  2.  
    Posted By: Rexwhat is the best way to fix into thermalite or breeze blocks?

    IMO you can't. There is a lot of force on a gate support when the gate slams shut (and it will) and this shock will be transmitted to the bolts in the wall. Thermalite or breeze blocks just won't take the stress for long and I doubt that bricks would last much longer. The best bet would be a bit of RSJ painted a nice colour concreted into the ground (to be hidden by the roses in short order!
  3.  
    Turn the gate fittings around so the hinges are on the opposite side to the house wall, sink a big post to take the hinges.

    Fit the latch plate to the arbour and screw that to the wall all up and down its height. Chances are the screws that fit the latch plate are weedy short ones that will 'give' well before the wall does.

    I used several of those rubber door stoppers you get for internal doors, to absorb the shock of the door slamming.
    • CommentAuthorBeau
    • CommentTimeJun 4th 2018
     
    We have a heavy metal gate hanging directly off a 150mm thick block building. No problems whatsoever but it's good solid block and I would not consider doing the same off a thermalite block for an instant. If was solid blocks I would use injection resin and stainless studs for the fixing.
    • CommentAuthorRex
    • CommentTimeJun 13th 2018
     
    Gentlemen,

    A quick heads-up. I passed your comments to my neighbour. He says many thanks and has now reconsidered. he will move forward with new gates, made to be considerably lighter. Apparently, the purpose is mainly to keep the dog in the garden so extra heavy-weight is not necessary.

    Lighter gate can be screwed into the wall.

    Toodle pip

    Rex
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