The best joint sands, compared.
Top pick: UHL kiln dried sand, 19 kg Best value: Laeto kiln dried sand, 20 kg – Loose 20 kg sand at about £16.14 with 4.1 from 520 reviews that say it does not set, so the locking bullets are not treated as a cure. Updated October 2026.
Joint sand is dried sand, or sand with a mineral or moisture-curing binder, brushed into block paving and some patio joints. Loose kiln-dried silica stays loose and locks blocks by friction. Sika setting sand and polymeric bag are meant to harden after wetting. Tell them apart by the activation step and the stated joint width. Reviewers call it ordinary kiln-dried sand that does not set, even though the bullets talk about locking. How width, loose or curing, and bag size fit together is in the [joint sand buying guide](/hub/flooring-tools-and-accessories/joint-sand/sub/joint-sand-buying-guide). A mineral additive, as on No, is a high-pH weed inhibitor, not a weedkiller.
Joint sand is dried sand, or sand with a mineral or moisture-curing binder, brushed into block paving and some patio joints. Loose kiln-dried silica stays loose and locks blocks by friction.
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Personal buying guide
Question 1 of 2
What do you want the joint to do?
UHL’s 19 kg kiln-dried sand is £13.50, the lowest price per kilo in this set at about £0.71, and the amazon.co.uk line is 5.0 from two reviews. The saved listing contains one written review, which is positive and states no fault, so the star line cannot show washout, weeds or a failed set. Dimensions are listed as 1 × 1 × 1 cm, which is not a usable bag size, and there is no joint width, colour or coverage claim. The title says made in the UK, and the bullets cover paving joints, artificial grass, resin-bound work and landscaping, without a moisture percentage. It is the cheapest bag on the shelf price in this file. It is not the best value pick, because two reviews do not describe what the sand does in a joint.
Pros
Cons
Best for: A cheap loose-sand top-up only if you accept that this file barely describes the product in use.
Less suitable: Anyone choosing a winner from stars, or a joint that must set hard.
Specifications
Common questions
What is this sand sold for besides joints?
The bullets include artificial grass infill, resin-bound installations, landscaping and flooring preparation, as well as block paving joints.
Is a moisture percentage given?
No. The bullets say low moisture and kiln dried, without a number.
How many review texts are in the saved listing?
The rating line says 5.0 from 2 reviews. The saved listing contains one review, which is positive and does not state a fault.
Sika’s buff setting sand is a 20 kg bag at £21.99 on amazon.co.uk, with 4.2 from 2,591 reviews in this comparison file. The bullets specify joints of 2–5 mm for light vehicles, and Sika UK asks for at least 25 mm of depth, excess swept off the face, then a soak rather than a pressure washer. Reviewers describe misting with a hose or a fine rose so the sand cures, which matches that water-cure instruction. Weeds, ants and shade differences still appear in the review notes, so a hard finish is not a clean patio for good. The material field says Silicone and the item form says Liquid, Paste, which fights the title and the included line, one bag of setting sand. Surface dry is given as one to two days and full cure as up to 28 days, and you should not lay it at 5°C or below or if rain is imminent. It is the top pick here when you will follow that mist-and-wait sequence on a narrow joint, not when you wanted loose sand you can top up the same day.
Pros
Cons
Best for: Narrow block joints of 2–5 mm where you can sweep the face clean, mist the sand, and wait for the cure.
Less suitable: A loose top-up you want to water the same afternoon, joints under 2 mm, or wide flag joints.
Specifications
Common questions
What joint width does this Sika listing state?
The bullets say it works best on joints between 2 and 5 mm, for light vehicular traffic only.
Does the listing say the sand sets?
Yes. It says the sand cures in water to a hard finish and was previously known as Sika Setting Sand. Reviews describe misting it with a hose or a fine rose.
Why does the listing also say Silicone?
The material field says Silicone and the item form says Liquid, Paste. The title and the included component say setting sand, buff, 20 kg.
Laeto’s 20 kg silica sand is listed at £16.14, with 4.1 from 520 reviews, a coverage claim of 20 m², and a bullet that includes artificial grass infill as well as paving joints. Reviewers say it is ordinary kiln-dried sand and does not set, even though the bullets talk about locking pavers and inhibiting weeds for years. There is no millimetre joint width on the page, so you cannot match a 2–5 mm joint from the listing alone. At about £0.81 per kilo it is the loose bag in this set with a review file large enough to show that it stays loose. Colour is not stated. It is the best value pick when you want dry sand you will brush in and top up after rain, and a poor match if you needed a joint that hardens after wetting.
Pros
Cons
Best for: A dry brush-in of block or patio joints when you accept a loose joint and later top-ups.
Less suitable: Anyone who needs the sand to cure, or who is buying on the locking sentence in the bullets.
Specifications
Common questions
Does this Laeto bag set hard?
The bullets talk about locking pavers. Reviewers say it is ordinary kiln-dried sand and does not set.
What coverage does the listing claim?
The technical block says 20 m² for the 20 kg bag.
Is artificial grass mentioned?
Yes. A bullet includes silica sand for artificial grass infill as well as paving joints.
Dansand’s 10 kg No Grow bag is £12.32, with 4.0 from 369 reviews, and the bullets say joints up to five millimetres. The title and the item weight say 10 kg, while one bullet says twenty kilogram bags, so you should trust the title weight. At about £1.23 per kilo it costs more per kilo than the 20 kg Dansand at £20.39. Reviews report wash-off after a few days of rain, and another note says the instructions tell you not to apply it in the rain. Coverage lines say 5–10 m² while also talking about 20 kg bags, so you should not plan a patio from that sentence. It is the small-bag option for a short top-up of narrow joints, and a weak buy if you only wanted the lowest price per kilo.
Pros
Cons
Best for: A short top-up of joints up to 5 mm when a 20 kg bag is more than you need.
Less suitable: A large drive bought on price per kilo, or a job you plan to do in the rain.
Specifications
Common questions
Is this a 10 kg or a 20 kg bag?
The title and the item weight say 10 kg. One bullet says twenty kilogram bags.
What joint width is stated?
The bullets say joints up to five millimetres.
Do reviews say it survives rain?
One review says most of it washed away after a few days of rain. Another says the instructions say not to apply in the rain.
Dansand’s polymeric dark grey bag is 20 kg at £32.72, with 4.0 from 96 reviews, which makes it the dearest bag in this comparison at about £1.64 per kilo. The listing calls it a firm-setting joint sand with a high-pH weed-inhibitor claim, but this saved listing does not print a millimetre joint width. Reviews split: one says it set quickly after wetting once the excess was taken off the tile face, and others say it came out after six weeks or never set. Colour lines also disagree, with Polymeric Dark on the listing and beige and dark grey both mentioned in the bullets. At this price you are paying for a claimed hard finish that this review file does not settle. Choose it only if you accept that split and a dark colour, not as a proven step up from Sika’s larger review base.
Pros
Cons
Best for: A buyer who wants a dark firm-setting claim and will still check whether this bag’s joints actually harden.
Less suitable: A first bag when you need a stated 2–5 mm width or a settled cure in the reviews.
Specifications
Common questions
What colour is this Dansand bag?
The listing colour is Polymeric Dark. The bullets also say beige and dark grey are available.
Does the saved listing state a joint width?
No millimetre width is printed in this saved listing.
Do the reviews say it hardens?
One review says it set quickly after wetting if you remove it from the tile face first. Others say it came out after six weeks or never set.
The Dansand No Grow 20 kg bag is £20.39, with 3.9 from 308 reviews, beige kiln-dried sand for joints up to 5 mm and a coverage claim of 5–10 m². It is brushed in like kiln-dried sand, and Dansand’s sheet treats the mineral additive as a high-pH weed inhibitor, not a weedkiller. Reviews in this file include rain washout and weeds within a week, and one reviewer likes that it does not dry hard, which sits awkwardly beside bullets that call it an alternative to a self-setting compound. The part string RED Dansand is the same string as the Easy Fix listing, though the ASINs, prices and review counts differ. Artificial grass is also mentioned. It suits a 20 kg top-up of narrow joints if you will keep the joints full, and it does not suit anyone who expects existing roots to die.
Pros
Cons
Best for: A 20 kg brush-in of joints up to 5 mm when you want the inhibitor claim and will top the joints up.
Less suitable: A joint you need to cure hard, or a weedy joint you have not emptied of roots.
Specifications
Common questions
What joint width is on this 20 kg listing?
The bullets say sweep it into joints up to five millimetres wide.
What coverage is claimed?
Each bag is said to cover 5 to 10 square metres depending on joint width.
Does a review say it sets?
One reviewer likes that it does not dry hard. The bullets call it an alternative to a self-setting compound.
Dansand Easy Fix is a 20 kg natural brush-in sand at £23.99, with 3.8 from 471 reviews, the weakest star line among the larger files in this set. The bullets are short and partly in German, and they do not give a millimetre joint width, only that the sand is aimed at narrow joints on patios, drives and walking areas. Weed complaints dominate the review notes, including a 2015 review that new sand does not deal with weeds already rooted. The part string RED Dansand matches the other 20 kg kiln-dried Dansand listing, so you cannot tell the bags apart from that string alone. Dimensions are given as 52 x 32 x 17 cm. It is a brush-in bag with a long review history of weeds returning, not a setting sand and not the cheapest 20 kg option here.
Pros
Cons
Best for: A brush-in of narrow joints when you already know this ASIN and you are not buying it to kill existing weeds.
Less suitable: A buyer who needs a millimetre width, a hard set, or the lowest 20 kg price in this table.
Specifications
Common questions
Is a joint width in millimetres given?
No. The German bullets say it is optimised for narrow joints on patios, drives and walking areas.
What do reviews say about weeds?
Many say weeds still grow. A 2015 review says new sand does not deal with weeds that are already rooted.
Is the part number unique in this set?
The part string is RED Dansand, the same string as the other Dansand 20 kg kiln-dried listing. The ASINs, prices and review counts differ.
Seven amazon.co.uk listings were scored on 19 October 2026 from the star line and the size of that file, whether bag weight, colour, joint width and type agree, notes that describe a real joint, and the shelf price against the stated bag and the job. There is no sieve test and no weed trial. The highest useful score, for a sand whose stated job matches a narrow joint and whose reviews are large enough to show the failures, is the top pick. Best value is a different bag: loose sand with hundreds of reviews that say it does not set.
Amazon evidence
35%Star rating on amazon.co.uk, then a deduction when the count is two reviews, when the written set is one review, or when the listing text fights the bag.
Listing fit
30%Bag weight, colour and joint width should agree, and the type, loose, mineral or moisture-curing, should be clear. A silicone or liquid field on a sand title, a 20 kg bullet on a 10 kg bag, a missing millimetre width, or dimensions of 1 × 1 × 1 cm, are deducted.
Review outcome
20%Notes that describe a real joint, set, washout, stain or weeds returning, score higher than a file with no complaint text. A split on whether the sand hardens is a deduction, not a bonus.
Value
15%Shelf price in GBP against the stated bag and the job. The lowest price per kilo does not win this block when only two reviews exist. Loose kiln-dried sand and a curing sand are not the same job.
This guide follows the seven amazon.co.uk bags kept on 19 October 2026 and the public UK notes on width, loose or curing sand, and a free-draining base. It does not add a sieve test, a weed trial, or a BS 7533 claim the listings do not print.
Joint sand is dried sand, or sand with a mineral or moisture-curing binder, brushed into UK block paving and some patio joints. Loose kiln-dried silica stays loose and locks blocks by friction. A mineral additive, as on Dansand No Grow, is a high-pH weed inhibitor, not a weedkiller. Sika setting sand and Dansand’s polymeric bag are sold to harden after wetting. You tell the bags apart by the activation step and the stated joint width.
Laeto’s bullets talk about locking pavers. Reviewers say it is ordinary kiln-dried sand and does not set. UHL does not state a cure, and two reviews do not show one. Do not buy either bag because a bullet sounds like a hard joint.
A traditional flexible joint is dried fine silica, and you do not wet it to make it set. Watering it, or vacuuming and pressure-washing a fresh loose joint, is how the sand leaves the joint. Sika is the bag in this set that asks for a controlled soak.
Dansand is a weed inhibitor, not a weedkiller, and it does not kill existing roots. Empty the joint first. Sweep curing sand off the block face before you wet it. Keep mineral sand off the joint against a house plinth.
Joint width decides the bag. Sika setting sand is specified at 2–5 mm wide and at least 25 mm deep. Dansand No Grow natural is specified at about 1–5 mm and at least 40 mm deep. Ordinary kiln-dried block-paving sand is the usual filler for roughly 2–5 mm joints, excluding the chamfer. Laeto, UHL, the polymeric bag and Easy Fix give no millimetre width, so you cannot match a 2–5 mm joint from those pages alone. The second fork is loose or curing.
A 10 kg bag is a small top-up. A 19–20 kg bag is the usual pack. Dansand estimates about 5–10 m² per 20 kg. Laeto claims 20 m². Those coverage lines are maker figures, not a measured patio. The 10 kg Dansand listing also talks about 20 kg bags, so plan from the title weight, 10 kg, not from that bullet. At about £1.23 per kilo the small bag costs more per kilo than the 20 kg Dansand at about £20.39. Read the bullets against the reviews.
Three typical situations, each with a recommendation from this comparison.
Driveway and patio owners who can sweep the face clean, soak the sand and wait are the Sika audience, including the light vehicle use the listing states. Sika setting sand, buff, 20 kg, is about £21.99, at 4.2 from 2,591 reviews, for joints of 2–5 mm. Weeds, ants and shade differences remain in the notes. Do not lay it at 5°C or below or if rain is imminent.
A small patio is often one 10 kg or 20 kg top-up of joints up to 5 mm. Dansand No Grow 10 kg is about £12.32, at 4.0 from 369 reviews. The title weight is 10 kg even though one bullet says 20 kg bags. Reviews report wash-off after rain, and the bag is dearer per kilo than the 20 kg Dansand. It does not kill existing roots.
If you want dry kiln-dried sand for a flexible joint, and you accept later top-ups, Laeto 20 kg is the best value at about £16.14, with 4.1 from 520 reviews. The bullets talk about locking and weeds. Reviewers say it does not set. There is no millimetre joint width on the listing. UHL is cheaper per kilo and has only two reviews, so it is not the best value.
In this set of seven amazon.co.uk listings, the top pick is Sika setting sand, buff, 20 kg, about £21.99, at 4.2 from 2,591 reviews. It states joints of 2–5 mm and a cure after wetting, and the review file is large enough to show weeds, ants and shade differences. The best value is Laeto kiln dried sand, 20 kg, about £16.14, at 4.1 from 520 reviews, for loose sand that reviewers say does not set. The lowest price per kilo is UHL at about £13.50 for 19 kg, and that bag is not the best value, because the line is 5.0 from two reviews.
Laeto kiln dried sand, 20 kg
Loose 20 kg sand at about £16.14 with 4.1 from 520 reviews that say it does not set, so the locking bullets are not treated as a cure.
Editorial
Peter F. is the editor for DIY & tools at productscompared.co.uk. Comparisons in this category are checked against amazon.co.uk listings, review evidence and public UK sources.
Guides on what to look for, how to use a product, and common mistakes.
Public UK sources and amazon.co.uk listings, checked on 19 October 2026. Shelf prices and star lines are the figures in the display file.
This page contains affiliate links to amazon.co.uk. If you buy through them, we may earn a commission at no extra cost to you. Prices, stars and review counts are from the UK listings checked on 19 October 2026. We did not lab-test these sands.
