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🛠️ Fix it fast, fix it right—because your walls deserve the best!
Ronseal Smooth Finish Exterior Multi Purpose Ready Mix Filler is a 1.2kg acrylic paste designed for quick, durable repairs on exterior surfaces. It fills gaps up to 20mm, cures in just 2 hours, and offers waterproof, frost-resistant protection suitable for plaster, stone, concrete, and brickwork. Its tough, drillable finish ensures long-lasting results even in damp or moisture-prone conditions.


| ASIN | B0046QDVA0 |
| Best Sellers Rank | 2,150 in DIY & Tools ( See Top 100 in DIY & Tools ) 29 in Wood Fill 201 in Hand Tools (DIY & Tools) |
| Brand | Ronseal |
| Colour | Grey |
| Country Of Origin | United Kingdom |
| Customer Reviews | 4.4 4.4 out of 5 stars (3,053) |
| Full Cure Time | 2 Hours |
| Global Trade Identification Number | 05010214865628 |
| Included Components | 1 x tub |
| Item Form | Paste |
| Item Type Name | Wall Filler |
| Item Weight | 2.76 Pounds |
| Manufacturer | Ronseal |
| Manufacturer Part Number | 36562 |
| Material | Acrylic |
| Maximum Gap Fill | 20 Millimetres |
| Model Number | 6886450-HHW |
| Number of Items | 1 |
| Surface Recommendation | pipe;door;countertop;bathtub;sink;window |
| Tensile Strength | 100 Pounds Per Square Inch |
| Unit Count | 1200.0 gram |
| Water Resistance Level | Waterproof |
A**L
Ready to use
A very easy to use exterior filler. It stayed useable for sometime provided the flimsy cover was relaid over the unused material. It went off hard by next day and could be sanded smooth.
G**O
Pretty good for exterior
I've used my bucket of filler for pointing few tile joints on my doorstep. Presentation wise , I find it a little weird to use a quite large bucket just to fill it little more than half . The plastic membrane I had to scoop it out from the filler and really I don't think is very useful until you open the tin , anyway . Quality is very good and generally I'm happy with Ronseal products . It's easy to apply , I used my own metal spatula just because I'm used to work with it and it was more practical for the job . About drying time , it really depends on the weather condition but to be on the safe side I gave it about 12 hours until I sand it down as some of the joints were feeling a bit soft when pushing against . Sanding down is easy and I could paint them with no issues . I paint mine in red and a second coat was not necessary but I choose to for peace of mind . After 2 months of stepping on it and periodic washing up, the filler is keeping good and I couldn't see any sign of cracking or deterioration.
V**T
Great product
Really excellent filler. Easy to apply given its constituency. I had to apply mine on to a very rough stipple and the cracks were very fine but it managed to get into them properly. I ended up using the small plastic applicator included as this was actually ideal for my surface and then applied a bit more over the top to remove any sign of the line of the crack itself and then finally used a brush to make the surface less even. It dried pretty quickly (I've used it in 30 degree direct sunlight and on a damp 14 degree day) and painted over nicely. Don't let the dark silver-grey put you off; even using a light cream paint it didn't show through but I did take the precaution, as much for smoothing out as anything, of painting over once before painting the wall twice. I think this is pretty standard for any filler. I can't say how well it will work in the long term as its only been about three months since my first use but there are no obvious signs of shrinkage or anything like that and I would have thought that it might have shown up by now.
A**R
Quick and efficient filler
This stuff dries fast and hard, just perfect for filling in cracks and holes in a window frame that had been treated for some rot issues. I used a couple of wallpaper scrapers and my fingers to apply and smooth this out then sanded it smooth before painting. A piece I dropped stuck to a vertical painted surface and in a couple of hours was hard to remove so this stuff bonds well and is pretty tough. Several tips to make life easier. 1) keep some water and a cloth handy to keep cleaning fingers and applicator as this hepls get a smooth finish. 2) When the tub is open try to keep as littleof the surface uncovered as possible as it will dry very quickly and become unusable. 3) Ignore the useless piece of plastic that covers the filler and use some clingfilm to cover the lot and replace it each time it is used, this will help keep it from drying. All in all excellent stuff, persevere if you find it a bit fiddly, I have never used anything I would consider better for smallish jobs.
M**Z
Decent filler and dries well
Easy to apply and dried within a few hours. Seems solid. Used to fill a hole in corner of wall where ants were coming in. Filled with wire wool first then covered over with this filler, trim fitted after. Will sand and paint in a few days (or months, who knows with DIY…)
I**S
Pleased with the end result
I've used many brands and types of filler and this is great. Easy to work with but do note it dries quickly, which can be a benefit or a problem if you're not prepared before the job. Sands down easily for a smooth finish using a fine grit, 120 -180, paper.
P**D
Excellent product
Excellent product! I used it to repair damaged and blistered Portland stone. Applied in multiple layers as necessary with 80 grit hand sanding on a wood block in between. In particular repaired the bottom edge of a damaged window sill with cement mortar supported on a wooden board held in place by a car jack then blended it into the main part of the sill. Used various square, spring steel filling knives, not the silly little triangular spatula supplied with the tub.
I**Y
A bit runny?
I found it a bit runny? I would have preferred a little more thick, to make it easier to apply! But works well!
S**A
Ho acquistato questo prodotto basandomi sulle recensioni. Il lavoro che dovevo fare, anche con una certa urgenza, era di rifare le fughe delle piastrelle del terrazzo esterno, totalmente soggetto agli agenti atmosferici. Il periodo scelto non è stato l'ideale perché a gennaio, nella mia città molto umida il prodotto ha faticato e non poco ad asciugarsi. Ciò nonostante sono soddisfattissimo dell'acquisto. Quando ha asciugato è diventato durissimo, pari al cemento. L'ho usato anche all'interno, per un muro, il tempo di asciugatura è stato rapido, facile da carteggiare e certamente resistente!!!!! non fa le crepe che farebbe uno stucco... una volta pitturato del colore del muro non si notava nemmeno la differenza. La pulizia, è stata facile: basta munirsi di acqua calda e spugnetta (anche quella dei piatti), viene via moooolto facilmente. Sicuramente ne comprerò un altro perchè ripeto: prodotto davvero valido.
P**O
Se aplica muy facilmente, es maleable, endurece bastante rapido, y lo principal en mi caso es que se puede utilizar en exteriores, con el tiempo se vera como actúa a cambios de temperatura y demas
S**M
Very fast dry, its benefit for larger areas and quick work, but i use it for 3d printing materials which the details are highly required, for me, so depending on the end results details you need, excessive sanding maybe required
F**O
Esta masilla para exteriores me ha resultado muy practica en la reparación de pequeñas grietas en las paredes exteriores de la casa; fácil de aplicar y buen rendimiento. Entrega rápida y bien embalada. H quedado satisfecho con su adquisición
M**B
Ho utilizzato il prodotto per riparare una crepa in un muro di cemento. Mi sembra che funzioni bene; asciugando diventa un materiale veramente duro e resistente. Se si deve coprire uno spessore di oltre 1-2 cm consiglio di aspettare diversi gg per fare finiture (levigare, pitturare, ecc) per farlo asciugare bene perché tirando si screpola in superficie per cui va fatto ritocco successivo; da vedere nel lungo termine come reagisce alle intemperie.
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