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substrate

In chemistry, a substrate is typically the chemical species being observed in a chemical reaction, which reacts with a reagent to generate a product. It can also refer to a surface on which other chemical reactions are performed, or play a supporting role in a variety of spectroscopic and microscopic techniques. In synthetic and organic chemistry, the substrate is the chemical of interest that is being modified. In biochemistry, an enzyme substrate is the material upon which an enzyme acts. When referring to Le Chatelier's principle, the substrate is the reagent whose concentration is changed. The term substrate is highly context-dependent.

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  1. J

    Substrate weight ratio / bonding

    hi all, So from my notes plaster can only take 20kg per m2 (including adhesive/grout). I’m just about to tile a wet room and my issue is this: I’ve had the room skimmed (it’s mostly a stud wall room with plasterboards, part of one wall is block). This same part block/ part stud wall had to be...
    • James De
    • Thread
    • canada substrate weight
    • Replies: 20
    • Forum: Canada
  2. J

    Tiling over plywood substrate

    Hi. The walls in my ensuite are coming along well... Just thinking about the floor now. The original tiled floor was tiled over thin sheets of plywood. The ply was on top of T&G chipboard. Is it ok to tile on plywood? I seem to be coming across articles or posts that suggest not. Ta. D
    • Jrterror
    • Thread
    • floors over plywood substrate tiling
    • Replies: 19
    • Forum: DIY Tiling Forum
  3. R

    Thinnest substrate to tile too

    Hello All, First post and hope you can help... I'm looking to have a combination of Tiles and LVT layed in a kitchen at the same time as we do some resto work on the Gfloor of our old place to accommodate my other half's developing medical challenges, which will need level mobility friendly...
  4. D

    Bathroom subfloor prep for porcelain tiles

    So I've decided to finally rip up my 3 year old lino in the upstairs bathroom and lay some lovely looking wood effect porcelain tiles down. I have some experience with past tiling jobs but these were on a concrete floor. Bathroom setup Just over 4m2 area with 25mm wood ply/chipboard flooring...
    • Duchard
    • Thread
    • bathroom canada floor floor tiling porcelain porcelain tile porcelain tiles prep subfloor substrate tile tile adhesive tiles
    • Replies: 13
    • Forum: Canada
  5. Mapei UK Marketing

    Mapei Ceramic Product Training Course

    Mapei is pleased to confirm the final remaining training date for 2017 ceramic product training. 25th September – Ceramic Training Event Mapei’s courses are free of charge and carried out by a dedicated team of training experts who have extensive knowledge and practical experience. Held in the...
    • Mapei UK Marketing
    • Resource
    • ceramic mapei mosaic porceain stone substrate training training day waterproofing
    • Category: Training
  6. G

    Substrate for shower area

    Hi - I'd be grateful for advice. I'm doing a shower area due to a leak and tile failure. One of the walls is made of plasterboard which has gone rotten, so I'm in the process of ripping it out. It seems that wall is comprised of 3 layers of plasterboard (one of which I'm removing) and I can't...
  7. D

    favourite substrate ?

    ok, as thread title suggests, we'll start with walls for this thread. My own personal substrate is sand/cement render, others may like plasterboard, cement board etc..
    • Dougs Third Go
    • Thread
    • canada substrate
    • Replies: 27
    • Forum: Canada
  8. Mapei UK Marketing

    Mapei Ceramic Product Training Dates 2017

    We are pleased to announce the first six ceramic product training dates for 2017. If you are interested in attending simply call 0121 508 6970 (option 4) or email [email protected] for further information or to reserve your place. We look forward to meeting you.
  9. Lakey

    Floor prep problems

    Hey guys Was wondering if anyone could give me some advice re a floor tiling job I have coming up? The area is approx. 20-25m2 and will be using 600x300 porcelains. The floor is 2/3rds 20mm floorboards and 1/3 concrete as it is a kitchen and dining room that has had a dividing wall taken down...
    • Lakey
    • Thread
    • canada floor floor prep floor tiling porcelain prep problems substrate
    • Replies: 18
    • Forum: Canada
  10. J

    Substrate Issues

    I'm planning to use 22mm limestone on a multi layered substrate hallway; joists, ply between joists (fixed to batten), sellotex between joists, underfloor wet heating, screed over top between joists. Is ditramatt the best option with 22mm thick tiles?
  11. G

    Chevron Floor

    hi guys, went to look at a floor today, 35m2 of chevron planks. Great I thought... Can't wait.... Oh hold on a minute..... Two different substrates! Suspended floor on one half and screed other half! The joint is staggered aswell! Spoke to builder who just wants to put 20mm thick polystyrene...
    • goz
    • Thread
    • canada floor floor tiling substrate
    • Replies: 7
    • Forum: Canada
  12. L

    Split Substrates

    Please could somebody give me some advice. I've been asked to quote on two jobs this week and both have split substrates. Floor 1 is half timber and half new concrete screed with ufh. Client wants to lay 800 x 800 porcelain tile and the area is about 60m2. Floor 2 is half old concrete screed...
    • lewie
    • Thread
    • canada expansion joints substrate
    • Replies: 3
    • Forum: Canada
  13. M

    Floor Substrate Tiling Onto Solid Oak Floor

    Hello all, So just been to view a job this evening......kitchen floor with 20mm solid oak flooring down which is glued......the client is insisting they don't want the oak flooring to come up & they would rather a decoupling membrane but I have recommended we get the floor up and tile to the...
    • MW Smith Ceramics
    • Thread
    • canada floor floor tiling substrate tiling
    • Replies: 37
    • Forum: Canada
  14. C

    Plumbers Silicon On Backerboard

    Just been round to a job where the plumber has installed a shower tray and siliconed up the edges against the backerboard (Marmox type - unsure of make) - all fine, except he has smeared it into a thin layer approx. 30mm up all the way around. Planning to tank the shower using Mapegum etc...
    • charliesw4
    • Thread
    • backerboard canada plumbers silicon substrate
    • Replies: 6
    • Forum: Canada
  15. J

    Patches Of Loose Concrete Substrate

    Hello, I am looking for a bit of advice regarding patches of loose concrete substrate on a floor I am looking to tile. I have included some pictures to show the general state of the substrate whilst also showing particular areas of concern. I have recently lifted the downstairs laminate...
    • JonR
    • Thread
    • aus concrete loose substrate
    • Replies: 8
    • Forum: Australia
  16. M

    Recommend Shower Room Substrate

    Got a small walk in shower to rip out and re tile and was curious to know if there would be advantages to using a cement hardie type board instead of moisture resistant plaster board? I'm assuming both would require tanking, weight/type of tiles to be used currently unknown.
    • Millington Deco
    • Thread
    • aus plaster board recommend room shower substrate usa walk in shower
    • Replies: 4
    • Forum: Australia
  17. B

    Suspended Timber Substrate For Wetroom?

    Hi, New to the site, but been lurking for a while and I'm after a bit of advice about timber floors. I'm in the process of converting my bathroom into a wetroom. It's a first floor bathroom with a timber floor, approx 3m x 1.7m with joists span the shorter distance. My house is a bit old and...
    • BigSid
    • Thread
    • aus substrate suspended tanking timber usa waterproofing wetroom wetroom tiling
    • Replies: 24
    • Forum: Australia
  18. D

    Very Smooth Cement Substrate

    Hi. I'm tiling the four walls in my bathroom. It was previously tiled half way up and where I removed those, the old plaster(?) underneath was like soft pumice, so I hacked it off and re plastered, primed with SBR and tiled the lower half of the room using Mapei cement based adhesive. The top...
    • Dajoca
    • Thread
    • aus cement substrate tile adhesive usa
    • Replies: 2
    • Forum: Australia
  19. Wishiwasatoptiler

    Reading Material

    Hi all With been new to this tiling game, looking for some reading material, ref etc, finding hard to get hold of anything, have got hold of an old tile setting book by Michael Byrne, unfortunaly is American, while some of the info is the same, setting out etc, but would like ta get my hands on...
  20. M

    Tiling Dilemma With Damp Wall Substrate

    Hello all, I seem to be in a dilemma with the tiler and tiling my bathroom. First of all, things to bear in mind are that the walls are slightly damp and I have gone for porcelain tiles. The walls have been treated with a damp proof course but I have been advised any previous damp may remain...
    • mika_98
    • Thread
    • aus damp preparing substrate tiling usa wall
    • Replies: 23
    • Forum: Australia
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