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holes

A hole is an opening in or through a particular medium, usually a solid body. Holes occur through natural and artificial processes, and may be useful for various purposes, or may represent a problem needing to be addressed in many fields of engineering. Depending on the material and the placement, a hole may be an indentation in a surface (such as a hole in the ground), or may pass completely through that surface (such as a hole created by a hole puncher in a piece of paper). In engineering, a hole may be blind or through if it is partial or complete depth.

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  1. C

    Underfloor copper pipes: corrosion and pin holes

    Bungalow built in 2001. All copper pipework (water and heating) runs in channels of expanded foam polystyrene between a concrete floor and OSB boards. Pipe are lagged in stitched felt and what looks like bubble wrap with sand (?) over the top. During the bathroom refit, I lifted up some of the...
  2. A

    What is purpose of these holes in shower enclosure?

    I have holes in the wall of my shower enclosure. Down low at the open corner, between the quartz wall and the solid pan. Same at each end of the shower. They are obviously intentional. But they seem stupid to me. Just a hole where water can intrude thru the quartz wall to whatever is behind...
  3. F

    ideal drill bit size for 15mm pipes

    I am tiling a shower wall and need to drill holes for 15mm pipes that will go to a thermostatic valve, what size of drill bit for the holes is best?
  4. H

    Pre cut holes in bath

    Hi, I have a bath needs to be replaced but I need to make sure that the bath that I find is able to have a side tap (if that makes sense) as we already have a tap on the wall. Our bath is 1500sm and I am just wondering if baths come with the water and drainage holes pre cut or if they are cut...
  5. Be kind

    Should a gas engineer make good the holes he left before leaving?

    Had carbon monoxide leak from boiler flue. Gas engineer came to fit new flue. But left gaping holes in wall. Daylight was seen
  6. D

    new San Souci toilet

    a new Kohler San Souci comfort-height elongated toilet that is dropping water on the bathroom floor. We went thru series of 3 new toilets (directly from Kohler USA). with the first one, we re-installed a new wax seal, but the water was still droping on the floor, just in front of the flange...
  7. D

    Shower panels. How to fill gaps around pipe holes that are too large

    So. I have managed to fit shower panels directly over tiles. My issue however is I had to cut the shower panels more than I had liked around where the water pipes come in due to the metal fixings that attached them to the wall. This now means when I screw the pipe collars back over the pipes...
  8. marvoni

    Tool For Cutting And Recessing Drain Holes

    I'm looking for a hole cutter or hole punch that you would use to cut a hole in a stainless steel sink for the waste to install into. Standard hole punches between 40 and 100mm for use with a hydraulic hand tool are available but I need a punch that makes the recess as well or a separate...
  9. P

    Metal "lugs" on old taps (for square holes maybe)? Any problem with removing them?

    Hi all Some old taps have what I'm describing as metal lugs (but just because I can't think of any other word to use!!) like these: Am I right in saying that these are for when fitting to sinks with square tap holes? If so, besides a hacksaw, are there any ways of making these compatible...
  10. C

    Plumbing advice, hole in sink

    Hey guys, Somehow we have managed to put a hole in our 3 month old kitchen sink. Pic below: PXL-20201024-084124412 - https://ibb.co/QPQN6GR PXL-20201024-084141561 - https://ibb.co/K6f7mVg - is this normal? We don't know how it could have even happened. Also, is it possible for this to be...
  11. D

    Kitchen sink with no pre cut holes

    Hi guys Need some advise. I've bought a new kitchen sink but there isn't any pre cut holes for the mixer. How do you make a hole in the metal sink? Would really appreciate the advice. Thanks
  12. D

    Booster Pump and Bore Holes.

    One of my customers has moved to a remote farm house and the above seems to be his water system. He wants it sorted out properly but it's not something I have any experience of at all, any suggestions or pointers would be much appreciated!!
  13. V

    Holes in floor joists for waste pipes

    If you have to run a basin or shower waste perpendicular to the joists I understand that you need to make the hole in the middle of the joists.My question is how big a hole can you make without affecting the structural integrity of the joist and how can you put a fall on the pipe if you have to...
  14. J

    Anyone drilling holes through joists for waste pipes...?

    If you looking for a tool to drill through joists I used one of these recently on a house I 1st fixed... 51mm TCT holesaw, very fast & very easy to remove cut timber. Used the arbor from my bi-metal holesaw kit. (As you know there's rule & regs as to cutting/drilling joists so keep within...
  15. R

    New Boiler install - holes left in brick work?

    Hello Questions about finishing. Mother-in-law, in late 60's had a new boiler fitted replacing 1970's one. generally seems a good install, but where old boiler fle existed at knee height there is now a big hole, with the condensate pipe running through it balanced on a few bricks. Also there...
  16. S

    Water dripping through tap holes

    Hi, I've fitted a metal Kaldewei bath with a Bristan Quest mixer tap. The tap holes were pre-drilled and the centres are fine. I tested the electric shower above and water leaked through the base of the tap and through the holes, onto the floor. The issue is that the holes in the bath are 35mm...
  17. jaydebruyne

    How many holes do you get?

    how many holes (roughly) you get from a 5" diamond core bit? Mines an erbauer from screwfix.
  18. H

    Secondary Heat exchange cleaning

    Hi Guys. Need some Help. Ideal Logic combi 24 CH works but no DHW, the guy told me to use "one shot" which I found to be drain cleaner(91% sulphuric Acid). I have put Sentinel X400 into the heating system and will also use X100. How will I know which is the CH holes and which are the DHW...
  19. 3

    Be the first see brand new Tile Drilling box set solutions drill holes in porcelain

    Here they are! Totally refreshed for this year. We have given a makeover to all of the BOXSET range. All options are now presented in smart easy use cases. Do you need to drill holes into very hard porcelain tiles? ********* are the tile drilling specialists THE ESSENTIAL This box set...
  20. 3

    Brand new for April 2016 : Launch of box sets for diamond core tile drills holes

    Brand new for April 2016. Launch of boxsets for drilling holes into very hard porcelain tiles. Two sets have been revamped. The third is completely new. This boxset is based on our best selling bathroom fitters kit the "All in one solution" A slimline 600g set...
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