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. S

    Advice needed on tanking wall-to-ceiling and wall-to-shower tray joints

    Planning to tank my en-suite tomorrow, using the BAL WP1 waterproofing kit. The ceiling is existing painted plasterboard. Do I need to tape and treat the joints between wall and ceiling like I do for the corners? My gut says no, as the WP1 can't be painted on etc after. Presumably if I don't...
  2. S

    Primer after tanking Hardie Backer?

    I’ve got Hardiebackers for my en suite walls and will be tanking them with BAL WP1. Do I then need to apply a primer for the adhesive after tanking? I’ll be using Mapei Keraflex S1 as my adhesive. Cheers.
  3. 1

    Wedi vs Hardie for shower tanking

    hi all, After abit if advice re boards for shower and tanking.... My 1200x800 shower has two existing walls within it, one of plasterboard stud wall and the other plastered masonry. I was thinking of removing the plasterboard within the shower area and replacing with either wedi or Hardie...
  4. J

    Wetroom 3 different ways?

    Hello everyone, I tried to avoid asking this question as I'm sure you're all sick of seeing the same questions being asked, but after days of research I am unable to choose the best flooring to put down for a small ground floor wetroom on a suspended timber floor. 1.65x1.85m room dimensions...
  5. W

    Do you put tanking kit straight onto Aquapanel?

    Read in some other forum that some people skim the Aquapanel with tile adhesive then paint the tanking paste on. I've ot one of the Mapei tanking kits to tank a shower area. Thought you could just paint it onto the Aquapanel initially.
  6. O

    C’mon then, show us your tanking.

    What’s your preference, how did you tank your last wet area? Wedi board with Butyl tape applied.
  7. M

    Wetroom shower screen - expensive? Should we get coating?

    I'm after a wetroom screen for mum's bathroom. We wanted a tall wetroom screen, but didn't realise they'd be quite so costly. £260 for hardened glass that measures 2250mm x 880mm x 10mm. The coating which is supposed to help with cleaning and limescale is an extra £110. So a total £370. Is...
  8. D

    Advice needed about building a granite floored wetroom in farmhouse, floor is breathable limecrete

    Hi, I am going to build a small (7m2) wet room on the ground floor of a granite farmhouse. The rest of the ground floor is drained breathable limecrete. In the wetroom at present there is compressed (structural) drainable Foam Glass insulation (Misapor). The insulating slab (lime/Misapor/sand)...
  9. J

    Where mosaic meets 60x30 in wetroom

    morning, So I’m tiling the floor today in the wetroom (yup, still on this job!). The tray I’m doing in 10mm porcelain mosaic (4mm addy bed), the remainder in 10mm porcelain 60x30 (12mm addy bed). The mosaic will sit lower. I need to raise it by 4mm so there isn’t a step, how would I do that...
  10. J

    Neutral cure silicone & Mapei tanking

    I'm installing some acrylic shower panels onto Aquapanel. Ideally I'd like to seal the shower tray to the wall with Classi seal or similar then tank over before installing panels, for the best possible seal. The glossy acrylic panels I'm putting in (lustrolite) need a neutral cure silicone...
  11. M

    Wetroom shower screen - how to make it stand up!

    Hi, I'd like to fit in a shower screen 1850 x 900. The new style of screen on the likes of Houzzz look ver minimialist without the long bracket going to a wall or ceiling to provide support. I'm wondering how they make it stable enough? I've uploaded a picture with labels "A" and "B" on it...
  12. S

    New member hi- from a bespoke wetroom fabricator and fitter

    Hi All Just a quick hello and introduction. I have an approach to wetroom floors and walls that doesn’t require tanking or tiling. We make floors and shower trays in sections that can be joined seamlessly on site, to appear as 1 piece, and can be installed on plywood or concrete bases. The...
  13. S

    Wetroom pooling how to fix?

    My most recent DIY project has been to convert my en-suite into a wetroom. Been at it for months and now at the finishing stage. Turned on the shower for the 1st time and I have pooling in the centre of the floor. I have obviously misjudged how large a shower tray footprint I require. I have...
  14. M

    Wetroom tray with few cuts

    Hi, my mum would love a wetroom, but finding it difficult to fugure out some of the practicalities. In houzz etc. we see wetrooms with few tile cuts which look glorious. Somehow the tiles must be angled to allow the water to drain away. But I'm unsure of how to find these trays online? Should...
  15. D

    Wetroom to tank or not to tank

    hi all, Newbie on the site but reading through your post has really helped. A builder is installing an wet room in my new loft conversion. I wanted to know what’s the best system i.e tray and membrane or tray and roll on? I know about the highly recommended Impey tray and kits but was...
  16. M

    Exterior wall tanking question...

    First time post to ask all you experts on here-thanks in advance for any assistance you can provide. I have built a pizza oven (imagine an igloo shape) which I intend to tile with a glass mosaic type of tile which will need to be frost proof but not heat proof as I have loads of insulation in...
  17. K

    Tiling around Wetroom tray drain

    Hi, We've just had a wetroom put in and everything has gone really well and I'm happy apart from the tiling around the drain. I assume this isn't the finish/ standard that I should be getting? Or does it just need to be grouted/siliconed?
  18. L

    Just Another Guy looking for Wetroom Advice

    Hello guys, I'm looking for some advice regarding a Wetroom I'm planning, I'm out my depth with the amount of options available and just looking for some friendly guidance. The house is pretty old and I'm going back to scratch to start the install. I've taken out the uneven floorboards and...
  19. Y

    Retiling wetroom advice on how best to proceed

    Hi all, My wetroom is going to be refurbished after my impey tray failed after 10 years. Wetroom is 2m x 3m. Existing Wetroom: I have decided to remove the whole floor, but leave the walls where the sink and radiator is. However, the bottom row of tiles from these 2 walls will be...
  20. S

    Waterproofing plaster walls

    good morning all, I’ve got a customer who’s had a shower installed in their bathroom when there was only a bath before. The plumber has chased the pipe work for the shower into the walls. It’s an old property and the walls aren’t the best! My question is can you still use a waterproofing kit on...
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