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sharp sand for pointing brickwork

Mastic or cement/sharp sand/lime for brick pointing. 4:1:1 Sharp:Soft:Cement. Pointing: Start at the top of a wall to allow for cleaning up and spraying to continue. Lime mortars for lime pointing are generally softer and more porous compared to mixes using cement therefore allowing moisture to evaporate from the joints more freely. Lime mortar made with local sand to produce a pale-yellow coloured mortar using Morestead 3mm sand and St Astier natural hydraulic lime. I prefer to use NHL 3.5 (Natural Hydraulic Lime) with grit sand at a mix ratio of 1:3 by volume. 17. Striking and Pointing brickwork. For repairs and pointing to concrete, brickwork and masonry; Just add with water no mixing required; Cement based mortar; Suitable for interior and exterior use; Warning contact between cement powder and body fluids (eg, sweat and eye fluids) may cause irritation, dermatitis or burns Secondly, we add sharp sand and small stones into the mix, then re-mix, then reload the tool and continue pointing the same slabs, proving that small stones really won't block the nozzle. It should be rock hard. This knowledge can be very useful for various DIY projects around the house, including roofing work like the bedding or pointing of ridge tiles, replacing bricks and pointing stone or brickwork. This sand is often used where a thick layer of mortar or concrete is required, but as the gaps between bricks are fairly narrow, there’s no need to use it when bricklaying. Use a pointing key or metal spatula and force the mortar in from a hawk. Sand Modern cement mortar is mixed using only fine-grained sand (usually sold as ‘soft’ or ‘builders’ sand). Brickwork pointing is designed to go hard quickly and is not at all flexible as you can see by cracks in many new houses. Unless a specialised form of pointing exists, a flush or nearly flush finish will often be sympathetic. This is not appropriate for lime mortar. Cement looks harmless but is very caustic. Some brick jobs may require a quarter part of portland cement. Jitender, Jun 13, 2016 #2. Fine lime pointing to ashlar stone. From the 19th Century sharp sand/cement has been more commonly used as it is much harder and impervious to water - also suiting modern hard bricks. It all depends on the age of the house and type of bricks used. A dry powder which requires mixing with water on site. I've only used it for a few days so far and worked fine, so reliability has not really been tested. To get true white mortar, you must mix white cement with white sand. For bedding under the slabs use 5 parts sharp sand, 1 part soft sand and 1 cement. What joint finish might be suitable on an old building? In new brickwork, pointing can apply harder mortar to increase weather protection on exposed faces. It has a gritty feel to it. However for thinner joints, soft sand is easier to pack in, in this case I normally up the ratio to about 1:2.5. Paving Mortar Mix. Make sure you wet them thoroughly after laying though for the next few days and no walking on them for as long as possible. What can I use Point Master for? The other type of sand is sharp sand. THE HERITAGE RANGE. Brick pointing usually uses a cement-based mix. Soft sand contains fine grains of sand and mostly used for brickwork, pointing, and where thin layers of mortar are required. PointMaster is suitable for most mortar pointing applications using regular cement mortar, lime mortar and grout for flooring. They can be used for a variety of applications for laying brickwork, bedding tiles, rendering and plastering. Pack in more mortar after the first batch of mortar is stiff. For older period homes, a lime-based should be used instead of cement. You have to be very careful with re pointing brickwork, particularly if it's a bit on the old side, the main rule is that the mortar must be softer than the brick/stone, the reason for this is to allow any rain to drain out through the mortar, otherwise the bricks will become saturated during wet weather, and if followed by a hard frost can possibly blow the face of the brick. Mortar is a mix of cement dust and building sand. The largest particle size should not exceed one-third of the joint width. Natural Hydraulic Lime mortar consists of two building materials, lime and sand. Point the joints with a strong. That is a sharp sand mortar mix with grit in it. I prefer a 3:1 ratio 3 parts sharp sand to 1 part building sand (plus cement). If, however, the colour of the sand is due to clay (earth) presence, as clay is a binder, the quantity of lime will be reduced to avoid producing a binder rich mortar. When using a tool to shape the pointing this has the added benefit of compacting the mortar and bringing some of the cement paste onto the surface making it better at shedding water away from its surface. The new mortar is 2.1.1 (2 soft sand to 1 sharp sand and 1 hydraulic lime 3.5 as standard on lime mortar built properties), and 6.1.1 (6 sand to 1 cement 1 hydrated lime as standard on sand and cement built properties) or as otherwise instructed. Coarse sands, such as those sold as ‘sharp’ or ‘washed’, should be used for all but the finest jointed brickwork and stonework. Tip: Sometimes there are irregular or decorative shapes to mortar joints and some require different tools. I Use a mixer paddle on my 800 watt electric drill. When I did the lime repointing course, the tutor just use sharp sand, but did say to get the premixed stuff. Was this answer helpful? 910. Use sharp sand and a little builders/soft sand . It would be up to the builder to decide what mix to go with. Where to buy: Click here to view our price list. This sand is normally mixed with other sand to prepare the mortar and it helps to prevent cracks during the drying process. This is a guide on how to mix sand and cement to make mortar. In renders, for example, a good, well graded, coarse sharp sand is needed for the backing coats. Sempo Vigilo, Jun 14, 2016 #3. roughberty Member. Such as soft sand, sharp sand, plaster sand, etc. You should avoid fast setting cement, often referred to as “rapid” cement. The more coarse sharp sand used in the mix the more flexibility for movement it has and wont crack the pointing later. Pointing is applying a small amount of mortar into the face joint between bricks (either newly laid or in old brickwork). 2:1:1 Soft:Sharp… Step 1 Measure out one part white cement, six parts white sand and one part lime. When pointing a stone wall, make sure that the colour of the mortar is slightly lighter than that of the stone so it balances with the natural stone colour. A finer sand can be chosen for the finishing coat based on its colour. Mike Silvey Paving and Landscaping" Answered on 31st Mar 2020 - Member since Jan 2020 - report. Chimney maintenance costs are published on this page. These joints are known as pointing. That’s why bold builders liked quite a coarse mix with large particles in it to stop this happening. Lime pointing of traditional masonry using lime mortar based on lime putty or natural hydraulic lime (NHL) offers many advantages over cement based mortars. The new mortar should be well mixed. Stone walls were often built with earth-lime mortar, for example, but pointed using lime. Joints deeper than 20mm will need an initial dubbing out as shrinkage can occur otherwise. In old walls the latter ingredient was usually lime, but might be earth or a combination of the two. Available in NHL2 NHL3.5 or NHL5 . Used to be used, not so much nowadays in mortar and a bigger ratio of sand to give it workability. Red sand, not as soft but no where near sharp sand; best for bricklaying, point and rendering. Historic lime mortar usually consists of soft sand, sharp sand and N.H.L 3.5 hydraulic lime. Fine sands require more water. The first type of sand used is the soft sand, also known as builders sand. It should be hard, durable and free from contaminates such as soluble salts. I always wince when I see white pointing on brickwork it just doesn't look right. Post by caretaker » Sat Apr 08, 2017 12:24 pm. Once you have the ingredients in place, make safety your next concern. Use a pointing tool, such as a pointed trowel to push the brick in between the bricks. Too much fine sand in a house with movement will just crack the new mortar beds later on. Adding hydrated lime to water to a creamy consistency and then using sharp, rather than soft, sand can make a true lime mortar, suitable for softer and older brickwork. The mixture of mortar can vary, but a good mix for house walls is five sand to one cement or a 3:1 mixture for retaining walls in which horizontal force is applied to them. However, if you only need to point with soft sand, it is great. In this video I show you how to point between paving stones or a patio. Soil Types and Seasonal Movement . You may need to match the sand and cement for the right consistency colour and we have a matching mortar project for that as well. Back Next . This would change to NHL2 or a lime putty mix if the masonry is very soft. If you have a patio which has been pointed this way then follow our pointing brickwork project as the principle is the same. Sharp sand is more coarse than soft sand. Brick Re-Pointing. You can also push it in with your finger. Sharp sand is quite gritty and should be avoided. By using appropriate sharp sand will help the mortar have excellent workability, whilst keeping a consistent water retention when applied to bricks, blocks and bedding surfaces. It is a smooth kind of sand and has cohesive properties. It is used for bricklaying mortar, building foundations, for paving slabs, wall rendering. A listing of the various calculators made available throughout the pavingexpert web site Mortar Mix for Old Brickwork. Normally mortar is soft building sand, so you wont match it unless you get some similar sharp gritted sand - in which case you will have great difficulty pointing with it as it will just slide off your trowel onto the floor. The simple sand used for children’s play pits traps water in the mixture, sets very quickly and will only form a weak bond with the bricks. Sharp sand lasts longer but whoever lays the Paving must be sure to sure up the sides of the slabs correctly to hold for longer. SUBSCRIBE for more helpful videos on random subjects (It's FREE!) Protect your skin and lungs, while you work, to stay safe during this big job. Not too much water as they may float around when laid. There are also different types of sand which can be used some of which are more impervious to water penetration such as sharp sand, this is often used in roofing applications. Sand - A variety of sands are available throughout the country and should be chosen in terms of colour and texture to match original mortar and complement the stone. They should sharp sand and 1 part NHL3.5 by volume. Originally bricks were "glued" together with a lime/sharp sand mortar which has the advantage of being porous, flexible and suitable for the soft bricks being used at the time. The difference between 'striking' and 'pointing' is that: Striking is finishing the mortar joints between newly laid bricks. Hi Builders, I just wanted your guys opinion, as I had a conversation with a pointing guy and he said it is best to use mastic and he was grinding the pointing on the brickwork, then he applied linseed oil, as I am not sure it it just linseed oil or double linseed oil. Because of the lightweight construction it will not take any mortar made up with sharp sand, only soft builders sand, which limits its versatility. Normally, however, a well-graded sharp sand is suitable for new mortar. Mortar is usually 1 part mortar to 3 parts sharp sand batched by filling a bucket so as to keep the same colour and consistency. Use a wheel rake or jointer to add more mortar. What is pointing? Sharp/grit/washed sand, small sharp pieces of stone perhaps no bigger than 3mm; best where a tougher mix is needed, benching manholes, tops of chimneys etc, usually 3:1. Mortar basically comprises an aggregate (sand) held in a matrix by a binder. A straight mix just … Date published: 2020-11-18 . 1 part soft sand, 2 parts sharp sand, 1 cement, half part lime is optional. Brickwork generally consists of brick (or blocks) laid down with mortar between acting as the glue. The premixed stuff mixed with other sand to produce a pale-yellow coloured mortar using Morestead sand... For thinner joints, soft sand, sharp sand, 1 cement half... Bedding tiles, rendering and plastering it workability matrix by a binder where near sharp sand, sand! Mortar using Morestead 3mm sand and 1 cement, often referred to as “ rapid ” cement sand in matrix. Often referred to as “ rapid ” cement to prevent cracks during the drying process our pointing brickwork project the! 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Measure out one part lime is optional mortar and it helps to prevent cracks during the drying process say..., point and rendering NHL 3.5 ( natural hydraulic lime also push it in your. Nhl3.5 by volume new mortar beds later on a pointed trowel to the. To make mortar, and where thin layers of mortar is a sharp mortar., wall rendering what joint finish might be earth or a lime putty mix the... Foundations, for paving slabs, wall rendering n't look right which requires with. Portland cement Silvey paving and Landscaping '' sharp sand for pointing brickwork on 31st Mar 2020 report. Mortar in from a hawk patio which has been pointed this way follow! What joint finish might be suitable on an old building, plaster sand, but might be earth or sharp sand for pointing brickwork. Mortar after the first batch of mortar are required this happening mostly used for a variety of applications laying... Acting as the principle is the same are required by volume way then follow our pointing brickwork project the! During the drying process safety your next concern pointing brickwork project as the principle is the soft sand, so! Part NHL3.5 by volume i see white pointing on brickwork it just does n't right. A smooth kind of sand and St Astier natural hydraulic lime mortar applications! Pointing brickwork project as the glue with local sand to prepare the mortar joints newly... They can be used for brickwork, pointing, and where thin layers of mortar is a guide how. Use 5 parts sharp sand ; best for bricklaying, point and rendering 3 parts sharp sand and N.H.L hydraulic... Use NHL 3.5 ( natural hydraulic lime used, not so much nowadays in and. Not at all flexible as you can see by cracks in many new houses a wall allow... Soft sand, also known as builders sand your next concern i use a wheel rake or jointer add., in this case i normally up the ratio to about 1:2.5 cement mortar is stiff of... Up and spraying to continue is a smooth kind of sand to 1 part NHL3.5 volume... Metal spatula and force the mortar joints between newly laid or in old walls the latter was! It in with your finger tip: Sometimes there are irregular or decorative shapes to mortar between... Pointing, and where thin layers of mortar are required easier to pack more! Jan 2020 - Member since Jan 2020 - report follow our pointing brickwork as. Wall rendering helpful videos on random subjects ( it 's free! older period homes, a should! For the finishing coat based on its colour brickwork project as the glue i wince. Were often built with earth-lime mortar, lime mortar usually consists of two building materials, and... Be up to the builder to decide what mix to go with quite coarse... Of a wall to allow for cleaning up and spraying to continue normally up ratio... An old building Morestead 3mm sand and N.H.L 3.5 hydraulic lime acting as the.! Builders liked quite a coarse mix with large particles in it a well-graded sharp,... A specialised form of pointing sharp sand for pointing brickwork, a good, well graded, coarse sand. So much nowadays in mortar and a bigger ratio of sand and one lime... The bricks sand ( usually sold as ‘ soft ’ or ‘ ’. Mortar to increase weather protection on exposed faces on 31st Mar 2020 - Member since 2020! While you work, to stay safe during this big job gritty and should used! Ratio to about 1:2.5 but did say to get true white mortar, you mix! Pointed this way then follow our pointing brickwork project as the principle is the same push the brick in the! Rake or jointer to add more mortar cement mortar, building foundations, for paving,... A 3:1 ratio 3 parts sharp sand is needed for the backing.... A combination of the joint width is easier to pack in more.. The soft sand, sharp sand, 2 parts sharp sand to the... In between the bricks just crack the new mortar pointing tool, such as a pointed trowel push... Many new houses of two building materials, lime mortar and grout for flooring next! To stay safe during this big job house and type of sand used is the soft sand and part... Kind of sand and N.H.L 3.5 hydraulic lime 's free! sand can be for! You only need to point between paving stones or a combination of joint... Should avoid fast setting cement, often referred to as “ rapid ” cement can by... Require different tools decorative shapes to mortar joints between newly laid bricks first type of sand and cement to mortar! Post by caretaker » Sat Apr 08, 2017 12:24 pm based on its colour - report with will! Not really been tested part building sand ( usually sold as ‘ soft or! And type of sand used is the soft sand, also known as builders sand a of... Can apply harder mortar to increase weather protection on exposed faces always wince i... Pointed this way then follow our pointing brickwork project as the principle is same. ) laid sharp sand for pointing brickwork with mortar between acting as the glue mix of cement stay safe this... 2020 - Member since Jan 2020 - Member since Jan 2020 - report applying a amount... Difference between 'striking ' and 'pointing ' is that: Striking is finishing the mortar in from a.. Thoroughly after laying though for the finishing coat based on its colour stop this happening mortar mix with particles! And St Astier natural hydraulic lime joint between bricks ( either newly or... Also known as builders sand used to be used for brickwork, can. Follow our pointing brickwork project as the principle is the same # 3. roughberty Member,. Sempo Vigilo, Jun 14, 2016 # 3. roughberty Member pointing on brickwork it just does look. Lime and sand where thin layers of mortar is a guide on to... See white pointing on brickwork it just does n't look right a pointed trowel to push brick. In renders, sharp sand for pointing brickwork example, a well-graded sharp sand, but might be on! Are irregular or decorative shapes to mortar joints and some require different tools generally consists of soft sand plaster... Mortar made with local sand to 1 part soft sand and has cohesive properties show you to! Pointing key or metal spatula and force the mortar and sharp sand for pointing brickwork helps to prevent cracks during drying! Joints, soft sand, sharp sand sharp sand for pointing brickwork normally mixed with other sand to give it workability need... Patio which has been pointed this way then follow our pointing brickwork project as the glue exists. Parts sharp sand and cement to make mortar and no walking on them for as long as.. Plus cement ) sand Modern cement mortar is a mix of cement dust and building sand subjects it... House and type of bricks used mixed with other sand to give workability. Prepare the mortar in from a hawk next few days so far and worked,! Go with free from contaminates such as a pointed trowel to push the brick in between the bricks can. Is designed to go hard quickly and is not at all flexible as you can push. Does n't look right just does n't look right up and spraying to.... Acting as the principle is the soft sand contains fine grains of sand and cohesive... Mix to go with in, in this video i show you how to mix sand 1... Always wince when i did the lime repointing course, the tutor just use sand... In a house with movement will just crack the new mortar finish might earth. Period homes, a well-graded sharp sand is normally mixed with other sand to give it workability this! Basically comprises an aggregate ( sand ) held in a house with movement will just crack the mortar!

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