waterproofing

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Waterproofing is the process of making an object or structure waterproof or water-resistant so that it remains relatively unaffected by water or resisting the ingress of water under specified conditions. Such items may be used in wet environments or underwater to specified depths.
Water-resistant and waterproof often refer to resistance to penetration of water in its liquid state and possibly under pressure, whereas damp proof refers to resistance to humidity or dampness. Permeation of water vapour through a material or structure is reported as a moisture vapor transmission rate (MVTR).
The hulls of boats and ships were once waterproofed by applying tar or pitch. Modern items may be waterproofed by applying water-repellent coatings or by sealing seams with gaskets or o-rings.
Waterproofing is used in reference to building structures (such as basements, decks, or wet areas), watercraft, canvas, clothing (raincoats or waders), electronic devices and paper packaging (such as cartons for liquids).

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  1. G

    Mapei waterproof kit

    hi all, Sorry if this question seems silly, I am going to use mapei waterproof kit from screwfix on a customers bath in 2 days time. Do I fill the bath with water then apply the joint tape? Customer is going to prepare the walls with no more ply so will this be OK to use on it? Thanks in advance...
  2. F

    Tanking drying fast

    I've only ever used tilemaster tanking kit so I can't comment on others but what I am finding it the paste dries so fast on the walls, when it comes to applying the corner tape, you need to really paste up the back of the tape or you have no chance. You can literally paste the whole wall with...
  3. C

    Tanking primer

    Hi guys, quick question. Is tanking primer that comes in the kits (everbuild aquaseal) suitable for priming walls prior to tiling that wont be tanked? I have alot of the stuff left id rather use up, was planning to use mapei plaster primer on remaining wall but its going alot furthur than i...
  4. macten

    wetroom floor with wedi - envelope the tiles still?

    Currently building wetroom with wedi gear. Floor tiles are 15x15 unglazed ceramic non slip (ugly!!) Only done a handful of wetrooms and the floors have always been large format (so envelope cutting) or mosaics. Should I still do what I normally do with bigger tiles and dry lay and mark falls...
  5. macten

    Which waterproofing should I use with mosaic tiles?

    Got a job coming up tiling a wetroom. Small wetroom tucked in the corner of a downstairs WC. Walls are block and have Aquapanel dabbed and screwed. Base is concrete with waste in the middle with okay falls (like a shallow bowl) and will be mosaics to make things easier. There's also a single...
  6. C

    Tanking Tape Install Help

    Hi, I have purchased a aquaseal waterproofing tanking kit, we have a bathtub with a shower over it. Bathtub is already installed many moons ago and not really equipped to remove it. We have silconed between the bath (half filled) and the wall slightly below bath level. What i am unsure off is...
  7. C

    Rs Home Services - Bathrooms, Wetrooms And Tiling.

    Specialist in bathroom and wetroom installations. All manner of tiling undertaken including glass, mosaic, travertine, porcelain and ceramics. Underfloor heating also undertaken and all manner of engineered wood and laminate flooring. Based in Banbury, North Oxfordshire but also covering South...
  8. E

    Tanking Junction

    Hi guys Just like your opinions on tanking onto the top of a shower tray. I currently seal the tray against the wall, mid way down the thickness of the tray. Then seal along the top of the tray and wall. Let that go off. Then tank onto that sealant followed by then placing the 'bandage' over...
  9. J

    Level On Top Of Water Proof

    Hello, just got to a wet room job and the tray Is fitted and water proofed but the floor is way out at the entrance of the room. 17mm out. They're having 60x60 rec porc. My issue is whether I can Chuck some self leveller on to of the waterproof to build the floor up. But this would make the...
  10. S

    Tanking

    Tanking out this shower, it's the 3rd one I've done in as many weeks where the plumbers have fitted this seal strip round the tray as they state it's waterproof!! I've given this shower it's 1st coat of paste & then ran a bead of silicone up the 2 internals ready for corner tapes. It got me...
  11. M

    Tanking Hardie

    Got a job to quote for a customer who has specified that she wants the floor tanking. It's not a wet room or anything but she wants belts and braces approach, which is fair enough. The subfloor is t&g floorboards, so was thinking of overboarding with 6mm Hardie and then tanking with paste and...
  12. A

    Shower Install Advice - Tanking???

    Hi Guys, This is my first post so please be gentle! I will be as brief as I can Basically I am creating 2 x new showers in a house (it’s a new student let house). One is a 800 x 800 corner unit, the other is a 1000 x 760 rectangular built in unit. Both new bathrooms have been created using...
  13. B

    Tanking

    How come that the showers that I tile do not fail? I have probably used a tanking system about 3 times (one job, Media City specified all the shower enclosures to be tanked but not the bath/shower combos) on separate jobs. None of my showers fail and I have tiled on every substrate and used...
  14. 8

    Impey Dallmer Wetroom Drain

    Just fitted a shower drain in a wetroom floor former made by dallmer, it includes a ball joint for easy installation. Do you have to solvent weld the ball joint or is there a seal in it? I did leak check it and it hasn't leaked however I'm getting to the point where I'm laying the membrane...
  15. O

    Tanking Days Before Tiles Go On, Is It Ok?

    Bathroom will be tiled soon, probably upto a week from now. However to save time I dont mind tanking the over bath area myself. I have bought an aquaseal kit, in the various steps listed it says a minimum of 6 hours between first and second coat of tanking membrane. Hence time wasted around...
  16. O

    Priming, Tanking, Sbr, Bond Meanings....?

    Can anyone help. I understand that in wet areas before tiling the surface should be prepared correftly. I see these terms all over to web and used interchangeably: Primer, tanking, sbr, bond, pva and some others that sound similar. Can anyone explain the correct procedure for preparing...
  17. A

    Preparation Grout For A Wetroom?

    A year ago I had a wetroom installed, I was told I could use it within 24 hours of it being completed. Unfortunately the plumber didn't brace the tray properly so within a couple of weeks of using it the grout cracked and the tiles came loose. Nothing adhered to the tray, so 100% adhesive was on...
  18. C

    Wetroom Grout Micro Cracks

    Hi looking for some advice I had my wetroom tiled with travertine about 4 months ago I noticed lots of very small cracks in the grout so I decided to removed the damaged areas and regrout them I used weber pro as that is what the tiler had used but I have noticed the new grout has some cracks...
  19. W

    Small Tanking Job On A Low Budget

    I'm looking to help a friend out by resealing there shower tray before they have a more major problem. Ideally I should rip out what is installed and start again but sadly there is not enough money in the pot for that. The shower is in an alcove, is not tanked and has suffered a very minor leak...

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