cement

cement

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  1. E

    Rebar bonding for insulated monolithic cement slab

    Hello! I am in the planning stages of a new dwelling construction. The foundation will be a monolithic cement pad with rebar. Based on my research, I am fairly certain that I need to ground the rebar within the slab. The slab will have rigid insulation under it and will have a vapor barrier...
  2. J

    PVC cable and sand and cement

    Afternoon I might be taking over a job where the previous sparks is not avaliable to finish off 1st fix when the builder needs it...usual rubbish He had 1st fixed the ground floor- but chased into the block work and clipped cables- no capping or oval- although it is chased in below the surface...
  3. S

    Cable Duct install in Cement Bound Sand (CBS)

    Hi Has anyone had any experience of excavating to find HV underground cables in CBS backfill? I am being asked increasingly to use CBS (usually about 1:14 Cement/sand) for bedding and cover infill of cable ducts we install. Reason usually given is that apparently it helps with heat dissipation...
  4. J

    Fibre cement roofs, your safety measures?

    Hi, Been out to quote a job today, nice roof, could get 25kW but it would be our first on a fibre cement roof. It will be certified asbestos free next week so no worries there but a bit concerned about how our installers will be able to work safely as it is between 4-7m off the ground. Any tips...
  5. W

    cement board roof safety

    Hello all, got a 20kw on a fibre cement roof. Having roof survey, edge protection and safety netting installed. What do other use to walk on the roof? Crawl boards, ladders?
  6. S

    Socket fixing

    Just a quick one for any tips. While drilling screw holes for a socket box the hammer action of the drill pushedd the brick into the cavity. Although not completely lost, to fis with cement etc will take a while to set before trying again. Does anyone have any quick fix tips so the box can be...
  7. S

    Fibre Cement board roof

    Hi Guys , I was just keen on your proffered thoughts for fixing Solar PV Panels to a fibre cement roof. We have metal Z purlins to fix to at 1350mm centres I was going to cross rail the complete roof, but was wondering if any one had any different thoughts system size is 6 rows of 18 panels...
  8. S

    Fibre cement corrugated barn roof

    Hi folks, It's been a while since I posted on the forum! Can anyone advise on a good roof mounting system for a fibre cement roof please. I've looked at the K2, Schuco, Schletter... but nothing in my opinion seems to be that good for this roof type. The roof is a bit old so clamping to this...
  9. I

    pvc conduit need to be glued

    hi do short runs of pvc conduit less than a meter between boxes securly saddle clipped, is it a must that they need to be glued ??
  10. M

    Mounting on Fibre cement roof with concrete purlins??

    Any know of a solution for mounting panels on a fibre cement roof that has concrete beams/purlins underneath? The bolts that hold the roof down have a hook which hooks to the bottom of the concrete purlin to keep the sheets in place, but with the weight of the panels I'm guessing the only way to...
  11. J

    Fitting on Fibre Cement Slates

    Hi There, I am just about to do my first install on a slate roof, yes I know I am lucky not to have one before. Have ordered K2 slate hooks to do the job and it is on a new roof that is going on at the same time so makes it easier I know. I presume from looking at them that the slate hooks go...
  12. M

    Fibre cement crawl boards?

    Doing an install on a fibre cement barn roof (doesn't contain asbestos) and I'm wondering what the best roof access method is with regards to crawling boards etc? Are there good ones available to buy? Is it easy to make some? Just using ply etc with rubber underneath? Many thanks
  13. W

    Mounting to corrugated 'cement' barn roof?

    Hi We are currently looking at an install on a barn roof that has corrugated 'cement' sheeting on it and we are wondering what is the best way to mount to it, and how many fixing points are required? We want 2 rows of 8 landscape panels. Here is an image of the roof. The spacing between the...
  14. S

    DNO meter cupboard - asbestos cement board base?

    Have a look at this folks... Does the grey base of this 1975 meter cupboard look like asbestos board to you? If it is, and new works are planned that would involve cutting into it, is the DNO obliged to replace the cupboard with something more modern? Thanks!
  15. SolarCity

    Mounting solution for corrugated cement roof

    We've just been to look at a large warehouse job (possibly 40-50kW)that we're very keen on winning. Unfortunately, the roof is made up of corrugated cement sheets and we haven't had to tackle this kind of thing before. We were thinking along the lines of using hangar bolts but weren't sure if...
  16. Dan

    ContractorForum: Sand Cement: Hi all & Merry Christmas, just a quick one, can you til

    ContractorForum: Sand Cement: Hi all & Merry Christmas, just a quick one, can you tile straight onto sand cement plastering (not.. http://------/8bimQw More... Follow us on Twitter.

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