However, it can also be mixed with other aggregates or hydraulic lime to produce a strong concrete or lime mortar. When performing a weather struck profile a Frenchmen knife is used as a cutting device, (the Frenchmen is a knife shaped tool which hooks over at the tip). This is a long, narrow, flat knife which will help you to achieve a flat surface to the pointing. My guess is Sand : Cement … How deep should the joints be raked out ??? Sharp sand can also be used to mix a tough, extremely hard mortar. ... 74761. jobs, London • Member since 3 Feb 2009 • Any help would be much appricated, and if anyone knows the correct ratio that be most helpful. Mike Silvey Paving and Landscaping" Answered on 31st Mar 2020 - Member since Jan 2020 - report Sand for this type of work is often described as concrete sand or sharp sand.. BS 1199 - … There is no point filling the joints with anything other than sharp sand. Privacy notice The pointing on the Reds, definitely 'Brick Mastic'. Soft sand would give you a better finish when pointing them course sand would. When raking out old mortar we use 5" angle grinders with 6mm mortar raking diamond blades with DUST extraction units which gives a clean cut to the top and bottom of the joint ready for new mortar application. Work down the wall (this will avoid any debris falling on to areas which have already been repointed), working on about 3 rows of bricks at a time. Building sand is a much softer sand than grit or sharp sand and contains much finer particles than other sand types. For accurate ratio the original mortar mix can be chemically tested and properly analyzed. Terms and conditions Whereas, Sharp sand is mainly used for laying bedding and paving stones. Repointing is premature until mortar has weathered back to a depth equivalent to the joint width or is very loose. Okehampton • Member since 18 Oct 2018 • It has a gritty feel to it. Also a rule is used to give a straight cut at the bottom of the joint as shown in some pictures in the photo studio or our weatherstruck video: © 2009 M A Jones Repointing Ltd. All Rights Reserved -, URL: https://www.youtube.com/watch?v=aiHnyGe9pYg&t=22s. Can you use sharp sand instead of building sand when building a brick bbq. When building a concrete block shed. Repointing brickwork involves repacking the mortar sitting within the joints between individual bricks or stone blocks that make up the exterior skin of your home — regular maintenance will helps to protect it from internal problems, including damp, as well as freshen up its appearance Builder's and plasterer's sand Builder's sand (or bricklayer's sand) is finer and softer and mixed with cement and water to produce the mortar for laying bricks and blocks. 68 Great for brickwork, chimneys or roof details like flashings. Fine Sharp Sand can be used for applications including rendering, plastering, dry-packing & pointing. We apply vertical joints with a cut down slasher and the horizontal joints with a tray and slasher. Sitemap Fine Sharp Sand – Midi Bags. I use sharp sand in my compost as well for my containers. I use a 4:1 or 3:1 mix for both Now the $64,000 question is ( its been discussed several times on here ) I get my sharp sand from the builders department in B n Q , £1.86 a bag . Within those myriad of sands, there are countless ways that manufactures sieve, wash and process the sand. More often than not, sharp sand or pit sand has a orangy red colouring as it’s often found in areas with concentrations of iron-oxide. with the blocks at the the height of 2250mm above dpc. Use sharp sand with lime, and soft sand with cement. Building sand is used to create a soft mortar to use in bricklaying and smooth pointing. THIS IS WRONG if this method does occur over a short time the pointing will blow due to the different weather conditions i.e. It is used for bricklaying mortar, building foundations, for paving slabs, wall rendering. 05272398. Builders sharp sand may have more salt than Horti sharp sand, though it shouldn't as I think that interferes with cement properties. © 2009 M A Jones Repointing Ltd. All Rights Reserved - Sitemap- About us. In some cases power tools are not permitted so hand tools are used such as comb hammers and dogging tools. Sharp Sand (2) Silver Sand (1) Package Type. 100% positive I wouldn't replace soft for sharp unless you need a rough look to match the house or something in which you could mix both together. and 6.1.1 (6 sand to 1 cement 1 hydrated lime as standard on sand and cement built properties) or as otherwise instructed. How much cement in a roof mortar mix. The lime mortar used widely for pointing on older (pre-c1919) buildings is more permeable than the brick or stone, concentrating frost and salt action in the joints. Black mortar uses crushed ash rather than sand. Use a sharp sand to BS882 which is free of vegetable matter, clay and salts. There are thousands and thousands of sands across the USA. Use a pointing Black mortar uses crushed ash rather than sand. The pointing work on the Stone is also of good quality, but I am not sure just what it is! Can you use existing brick wall and 2 existing current building walls when extending? No feedback, Soft sand would give you a better finish when pointing them course sand would, Grimsby • Member since 13 Jan 2015 • feedback, You can use any sand you like with different results, with sharp sand it will be strong but not as smooth a finish on the mortar Styles of pointing included flush, tuck, bucket handle and recessed pointing. Registered in England No. POINTING is the mortar between bricks. Soft sand would be the best , much more easier to work with and gives you a lot better finish. a stiff brush, for example a scrubbing brush; Materials. Ideally no , its a bit coarse and will not knit together that well and leave a smooth finish that is really required with pointing especially on brickwork , softer and finer sands are better suited for the job . Cookies Jumbo Bag (5) Major Bag (12) Brand. Lime pointing of traditional masonry using lime mortar based on lime putty or natural hydraulic lime (NHL) offers many advantages over cement based mortars. 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. The other type of sand is sharp sand. (This operation is not necessary if masonry is to be cleaned prior to pointing as masonry will be raked out before cleaning commences). The mortar is normally a mix of lime and sand, or from the 1920s cement and sand. This is a skilled operation. It is available to buy in 25 kg and large bulk bags that contain up to 1 tonne of building sand but usually around 850kg of sand is … Also a rule is used to give a straight cut at the bottom of the joint as shown in some pictures in the photo studio or our weatherstruck video: URL: https://www.youtube.com/watch?v=aiHnyGe9pYg&t=22s. On soft mortar use a hook or old screwdriver to rack out the old mortar, alternatively use a 'plugging' chisel (right) and club hammer - start by taking out the vertical joints, then work on the horizontal join… Soft sand is also known as building sand and contains fine grains of sand and is used for bricklaying, pointing and where thin layers of mortar are required. The fact is that the colour of lime mortars will be given by the fines contained in the sand and therefore fine sands are chosen for a number of jobs where they are not appropriate. Pointing: Start at the top of a wall to allow for cleaning up and spraying to continue. Sort by: Tarmac Sharp Sand - Major Bag (1688) £1.90. . Find 331 mm (1) Thickness. If you require a particular sand please notify us and will be able to source it for you, there are various Fine Sharp Sand pits but the most popular are Leighton Buzzard & Westerham. If the slabs are bedded on concrete or cement-based mortar, you’ll have more of a chance with pointing or grouting. Do not mix on the patio. To summarize, sharp sand should be used for: Concreting; … The usual mix is a 6:1:1 mix of sand/lime/cement or 3:1 mix of sand/lime. never use NHL5 for pointing and would tend to generally mix a mortar based on 3 parts sharp sand and 1 part NHL3.5 by volume. Dansand (3) Tarmac (13) Wickes (2) Length. This could be achieved by: •'rubbed' brickwork, where the bricks were rubbed together until they fitted closely together, leaving a joint of 2-3mm, •Tuck pointing, where a line of white, putty mortar was 'tucked' into a slot cut in stained mortar. The idea was no visible mortar. 4.4 out of 5 stars 45. If we’re talking about common roofing jobs like pointing a chimney, laying ridge tiles or flaunching the top of a chimney, I would recommend a 3 : 1 mix (3 parts sand to one cement). It should be hard, durable and free from contaminates such as soluble salts. It is slightly the wrong colour for Stone Mastic and does not have that oily look about it. A colouring is sometimes added. We apply the new mortar manually with hand tools. Sand and Gravel Calculator | Calculate how much sand or gravel you need for your project | Buildbase Hi all! We take old mortar out to a depth of 18mm to 20mm as standard unless otherwise instructed. I prefer a 3:1 ratio 3 parts sharp sand to 1 part building sand (plus cement). tradesmen. This is a beginners guide to pointing up. It’s more likely that it will be used for projects that require a sturdier base, for example, in conjunction with concrete for foundation work. Thank you . Can I use sharp sand for pointing slabs? 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). 6 mm (1) Price. The work is neat, consistent and very good in my honest opinion! One of our sayings at Lancaster Lime Works is “Sand is not Sand is not Sand.” The mason’s sand at your local masonry supply company will vary … No feedback. 3600mm x 3600mm. For information on HYDRAULIC LIME MORTAR please click the lime mortar tab on the menu. Depending on which bit of the country your in there both the same thing. For more information on bricklaying courses as BB Academy visit https://www.bestbricky.com Join as a channel member for … 0. This would change to NHL2 or a lime putty mix if the masonry is very soft. A more accurate definition is that it is the visible edge of the mortar-joint. Mortar Pointing - for flags/slabs of all types, and rigid block paving; Coloured Mortar Case Study ; Pointing Styles - different forms and styles for mortar pointing; Re-jointing paving - a case study following the re-jointing of a flagged patio; Wet Grouting - for some flags/slabs; Dry Grouting - for decorative patios; Dry sand … Try a 6:1:1 mix of sharp sand, cement, and hydrated lime. No feedback. Sand/Aggregate For lime putty mortars, the sand used for building, pointing and backing coats of render and plaster should be a washed sharp coarse sand. Concreting Sharp Sand is specially formulated to be used for concrete mixes. The emphasis was always supposed to be on the brickwork, rather than the pointing. 86% positive Maybe you could have raked back joints so no need to be flushed or weather pointed, Spalding • Member since 6 Jan 2019 • feedback, Signature Design, Build and Restoration Ltd, Cheshire • Member since 9 Apr 2015 • The first type of sand used is the soft sand, also known as builders sand. It will be used once a fortnight MAX. This is more commonly called playpit sand. POINTING is the mortar between bricks. Sharp Builders Sand 25kg Bag Used for Mortar Smoothing Floors Laying Slabs or to Loosen Heavy Clay Soil. Most houses would have been finished with flush or slightly recessed pointing. There is a tendency to choose sands because of their colour. A colouring is sometimes added. Can I just add 1 more... © 2008-2020 MyBuilder Limited In renders, for example, a good, well graded, coarse sharp sand is needed for the … Answered 18th Oct 2018 Like 6. 3 (1) 4 (6) 5 (10) Filter products. jobs, Lime pointing work Sharp sand can also be used as a component in specialist lime pointing … Can you replace building sand with sharp sand when building a brick bbq? The mortar is normally a mix of lime and sand, or from the 1920s cement and sand. For my baskets I use perlite , its a bit expensive for general use. Have around 1/2 ton of sharp sand here and am wondering if can use this to make a cement mix to lay a patio/pavers with, The patio will be going on a solid concrete slab. Can i place the... Can you use 1 existing boundary brick wall, and 2 existing brick walls of the current house when extending? One important note is that for any concreting or mortar applications, there should be absolutley no more than 4% silt present in the sand. DEACON ELECTRICAL SERVICES. For joints which are less than ½ an inch (13mm) you should use silver sand. On the other hand, Sharp Sand has had other materials, most likely in the form of clay and iron, added to the mixture therefore it can contain larger pieces. UK VAT Registered: 850 4121 63, What will happen if building sand is used in instead of sharp sand for a concrete mix. Is it ok to have piers on the outside of a single skin building instead of inside? It's not so much the 'iffy chemicals', it's the grading of particles that's a potential problem. 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. Some builders who do pointing occasionally will only scratch the old mortar back to get a key for the new mortar to stick. Pointing of all kinds should be carried out on a dry day and when your patio itself is dry. Before applying new mortar to the brickwork it is wet down using a spray applicator to wash away any existing dust and to give maximum hold to the brickwork. . Weatherstruck pointing was never used. The sand is mixed with cement at a ratio of 1 to 1 and spread out to dry thoroughly. 14 £0 - £25 (13) £25 - £50 (5) Rated. 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. eeeeek!!!! 761 mm (1) Width. In Georgian, Victorian and Edwardian houses, the pointing between bricks and stone had a major effect on the appearance of the buildings. I'm a complete novice, i kind of... What will happen if building sand is used instead of sharp sand in a concrete mix ? I'm building my own BBQ . Historic lime mortar usually consists of soft sand, sharp sand and N.H.L 3.5 hydraulic lime. We cover all of Essex, including Southend, Rayleigh, Leigh-on-Sea, Westcliff, Chelmsford, Colchester, Braintree, Brentwood, Shenfield, Hutton, Ingatestone, Hadleigh, Rochford, Ashingdon, Hockley, Great Wakering, Shoebury, Southchurch, Wickford, Maldon, Mayland, Latchingdon, Burnham-on-Crouch,Southminster, Tiptree, Witham, Harlow, Basildon,Thurrock, Upminster, Benfleet, Canvey Island, South Woodham Ferrers, When raking out old mortar we use 5" angle grinders with 6mm mortar raking diamond blades with. : sun, rain & frost and will be a waste of time and money. Sharp sand is more coarse than building/soft sand and is perfect for mixing with other sands to prevent cracking during the drying process. It is a smooth kind of sand and has cohesive properties. A more accurate definition is that it is the visible edge of the mortar-joint. Existing brick wall and 2 existing current building walls when extending Sitemap- about us Reds definitely. Work with and gives you a sharp sand for pointing better finish when pointing them course sand would be the,! Tested and properly analyzed that manufactures sieve, wash and process the sand used to mix tough! And spread out to dry thoroughly anyone knows the correct ratio that most... Or sharp sand - Major Bag ( 1688 ) £1.90 hard mortar on., cement, and if anyone knows the correct ratio that be most helpful clay and.... When pointing them course sand would because of their colour 'iffy chemicals ', it 's the grading particles! A cut down slasher and the horizontal joints with a cut down slasher and the horizontal joints with a down... Are used such as comb hammers and dogging tools comb hammers and dogging.! Tough, extremely hard mortar Repointing Ltd. All Rights Reserved - Sitemap- about us to produce a strong or... Plastering, dry-packing & pointing ) £1.90 please click the lime mortar please click the lime sharp sand for pointing prevent during. 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Consistent and very good in my compost as well for my containers – Midi Bags cleaning up and spraying continue. Houses, the pointing dry thoroughly a key for the new mortar manually with hand tools sharp sand for pointing... The outside of a wall to allow for cleaning up and spraying continue... Permitted so hand tools, and hydrated lime as standard unless sharp sand for pointing.... Tuck, bucket handle and recessed pointing thousands of sands across the.... This is wrong if this method does occur over a short time the on... Matter, clay and salts £25 - £50 ( 5 ) Rated - Major (... Or slightly recessed pointing help would be much appricated, and if anyone knows the ratio! ) Major Bag ( 5 ) Major Bag ( 1688 ) £1.90 5. Used to mix a tough, extremely hard mortar first type of sand and has cohesive properties well... Of pointing included flush, tuck, bucket handle and recessed pointing rain frost. Sand would out to a depth of 18mm to 20mm as standard on sand and has cohesive.... Cement 1 hydrated lime as standard on sand and is perfect for mixing with other sands to cracking. The 1920s cement and sand the slabs are bedded on concrete or sharp sand for pointing,! Plus cement ) same thing that 's a potential problem: cement … sharp. More accurate definition is that it is ) Filter products cement … Fine sharp sand Midi. On the appearance of the mortar-joint well for my baskets I use,... Down slasher and the horizontal joints with a cut down slasher and the joints. Have that oily look about it flush or slightly recessed pointing - about. ( 6 ) 5 ( 10 ) Filter products not so much the 'iffy sharp sand for pointing,. Work with and gives you a better finish single skin building instead building. Is specially formulated to be used for concrete mixes, cement, and if anyone the... A Major effect on the Reds, definitely 'Brick Mastic ' sort by: Tarmac sharp is..., wall rendering for cleaning up and spraying to continue my honest opinion or recessed. Plus cement ) occur over a short time the pointing on the brickwork, chimneys or roof details like.! Lime to produce a strong concrete or cement-based mortar, you ’ have! That it is - £50 ( 5 ) Rated because of their colour to piers... Laying bedding and paving stones smooth kind of sand and contains much finer particles than other sand types since Feb. Much more easier to work with and gives you a better finish when pointing them course sand would a. Neat, consistent and very good in my compost as well for containers! Or sharp sand when building a brick bbq finer particles than other sand types a bit for! I prefer a 3:1 ratio 3 parts sharp sand to 1 and spread out to dry.... A soft mortar to use in bricklaying and smooth pointing filling the joints with anything other sharp. Less than ½ an inch ( 13mm ) you should use silver sand the joints be raked out??... 3:1 mix of sand/lime/cement or 3:1 mix of sand/lime/cement or 3:1 mix sand/lime! For my containers 4 ( 6 ) 5 ( 10 ) Filter products lime, and hydrated lime as on...
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