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Re: Tiling on to hardwall Dri-Coat is the only undercoat plaster you can tile directly on. Ideally you’d take it back to brick and either dot & dab plasterboard or use tile backer boards.
What surface can you tile onto?
Concrete, plywood, drywall or painted surfaces, tiling requires appropriate preparation. Fresh plaster takes up to 30 days to dry and wooden surfaces can use a layer of polyurethane paint.
Do I need to PVA before Hardwall?
4 Answers from MyBuilder Plasterers You should put PVA on, but you cannot tile onto hardwall. It will need to be gone over with multifinish and then allowed to dry. A tiling sealer (not PVA) should then be applied prior to fixing tiles.
What is the difference between Hardwall and multi finish?
Hardwall Plaster: Hardwall is similar to Browning except that it offers a higher impact resistance and quicker drying surface. Multi-Finish Plaster: Thistle multifinish is a top coat plaster which is suitable for a great finish on all the other surfaces.
Can you tile directly onto?
We don’t recommend tiling directly onto floorboards due to excessive movement. Lay plywood or Hardie Backer Boards onto the floorboards first, using a bed of tile adhesive, to ensure a sound, flat surface which you can then tile onto.
What do you tile onto?
What surfaces can I tile? Floor Boards. We do not recommend fitting directly to floor boards due to the variable movement, both deflection and lateral movement. Chipboard/OSB. Plywood. Existing Tiling. Concrete floors or sand and cement screed. Plaster. Plasterboard. Backerboards.
Can I tile directly onto chipboard flooring?
Tiling Chipboard – Solution 2 If your floor doesn’t have excessive movement, you may tile directly onto the floor using Granfix Ultimateflex. This very flexible adhesive will stick to chipboard and will absorb the floor’s movements. Seal the floor using Granfix acrylic bonding agent and allow it to dry.
How long does Hardwall take to go off?
Thistle Hardwall stored correctly has a shelf life of 4 months and bags are printed with the ‘use by:’ date in order to permit use in strict rotation.
What’s the difference between HardWall and bonding?
Bonding– it is a gypsum based undercoat plaster for low suction backgrounds like tiling, dense concrete blocks, engineering bricks, concrete, plasterboard surfaces. Hardwall- it is a gypsum based undercoat plaster used for more absorbent surfaces (mostly on masonry) than bonding.
When can you skim over Hardwall?
Hardwall is more for blocks. Best to Hardwall and skim in the same day. If not possible whenever your ready to skim the wall apply two coats of pva first to stop the suction .
What do you use HardWall for?
Thistle HardWall is a quick drying undercoat plaster suitable for use on most masonry backgrounds such as bricks, medium-density and aircrete blocks. Thistle HardWall can be hand or spray applied and is ideal for use in a 2-coat plaster system.
Is board finish better than multi finish?
Board Finish is for low to medium suction whereas Multi-Finish is for nearly all variations of suction.
What is Devil float?
[′dev·əl ‚flōt] (engineering) A hand float containing nails projecting at each corner and used to roughen the surface of plaster to provide a key for the next coat. Also known as devil; nail coat.
Can you tile directly onto blockwork?
Tiling straight on to block is possible but slightest movement in the wall will cause your grout line to crack, or worse, your tiles, even if you use a GT1 or any other latex additive. At least re-boarding you know your tiling onto a sound surface with minimum amount of problems & not that expensive to do.
Can you tile straight onto plywood?
Tile can be laid on plywood. But do not install tile directly on the plywood subfloor itself. Use an intervening layer of a sheet of thinner plywood.
Can you tile directly onto MDF?
NEVER TILE ONTO MDF! Medium density fibreboard is only compressed sawdust. Even primed, it will still draw in moisture. Ply or Hardi is the way to go.
Do you start tiling from the top or bottom?
If cuts are small then centre the tile to the centre point to see if this gives you bigger cuts.It is a much better finish if tiles have equal cuts side to side & top to bottom.
Do you put adhesive on tile or wall?
The tile adhesive specifically states not to put the adhesive onto the tile but put it onto the wall ensuring the wall is fully covered. It put the adhesive onto each individual tile and didnt fully cover the tile. There is a gap between the tile and the wall all around the walls which he tiled.
Do I need to seal plasterboard before tiling?
Should plasterboard be primed? Yes, apply an acrylic based primer such as BAL Primer (undiluted) to the plasterboard with a brush or roller and leave to dry before applying any powered adhesives. All board joints and internal corners should be reinforced using a suitable alkaline joint tape before tiling.
Can you tile onto p5 chipboard?
Chipboard cannot be tiled over.
Can you tile on tongue and groove?
It is possible to tile directly onto tongue and groove wooden floors, but the high amounts of deflection/movement will mean that an ultra-flexible (S2) tile adhesive is required.
Can I tile straight onto Thistle Hardwall?
Tiles up to 20kg/m2 can be applied directly to the Thistle finish. If plastering to provide a background for tiles, avoid polishing the surface. Tiles should not be applied directly to Thistle undercoats, with the exception of Thistle Dri-Coat.
Can you plaster over Hardwall?
My plasterer liked to apply hardwall (or bonding as appropriate) and then get the skim coat on once the hardwall had just gone off. If you let the hardwall go off completely the skim coat doesn’t apply as nicely – so he said at the time. That’s really useful, but a bit late for the walls that I’ve done.
How long after Hardwall Can you plaster?
Bonding about 2-3 hours, but some do leave it to following day before skimming depends on size of area. The 3-4 days is a guide, the colour of the plaster will tell you when it’s dry enough to paint.
What can you use instead of Hardwall?
Hardwall is gypsum based so is not ideal to use on a solid wall in an older property. It will adhere fine, as it’s designed to go over brick and blockworkyou don’t pva, just wet the wall, but you would be better with either sand and cement or a renovating plaster due to the possibility of damp coming through.
What can I use instead of bonding?
What is another word for bonding? adhesion adherence tie sticking union fixing coherence gluing US cohesion glueing UK.
Can you second coat plaster the next day?
if you do your 2nd coat the next day chances are the first coat will be bone dry and its so pourous it will literally drink any moisture out of your 2nd coat making it almost impossible to finish/polish!Sep 3, 2008.
How long does it take PVA to go tacky?
Not a plastering expert but I think the routine is to apply 1 coat of PVA and allow to dry fully i.e. 24 hrs., and then apply second coat of PVA maybe 1 hour or so prior to application of plaster. The second coat should be tacky rather than dry.
