Restoration and Maintenance of Existing Pavers: Recommend – Premium Joint Sand. Resiply makes pointing pavings slabs as easy as 123. Don't go over the top with the old stuff, though. Identifying the Problem Before Repointing 3. Ideally, you should use the same proportion of sand and cement for all of the pointing you're doing so that it will all dry the same colour. If you're mixing on a board or in a wheelbarrow, the same method applies on a larger scale. … Thanks a lot i have been dreading doing it but now not so much so. just wondering, using the one part cement and 3 part sand method, how much oxide do i mix in to it? If you put too much water in too quickly, it will start splashing out everywhere. For instance, if the original mortar analysis indicates additives, usually oyster shells or horsehair, you should add those into the pointing mortar. Roof cement is primarily used to hold roof tiles, hip tiles and ridge tiles securely in place, it also keeps out rainwater. Rain Defence (author) from UK on August 08, 2015: You're best to use red sand in my opinion. Cement and sand, with the addition of plasticizer or lime (all mixed with water)makes a building or pointing mortar. Pointing of all kinds should be carried out on a dry day and when your patio itself is dry. Summary and References 13. If you're mixing by hand, then you'll need either a bucket or a board, depending on how much mortar you need. It's not often you find helpful tips on this sort of work. If you use yellow sand the mix ends up pretty light in my opinion and isn't as appealing. This is more commonly called playpit sand. This is especially true if your house was built prior to the 1950's. If you do it this way, then it makes mixing it up easier, as it's already getting mixed up as you put it in the bucket or board. I've been making and using mortar for years, so read on to find out how to do it right! The mortar mix you see in those bags is probably not going to match your existing mortar in color and strength. Sand colours differ from region to region so some builders merchants will source their sand from a particular area so you will need to make sure its the same sand throughout the pointing job to achieve the same colour mortar. The best sand to use for rendering is coarse sand, which can give a smooth finish appropriate for most vernacular buildings. When compacted, the edges will grind together, “locking” the layer of sand in place which helps to prevent erosion or movement. Execution of the Work 11. Hemera Technologies/AbleStock.com/Getty Images. If you are repointing a historical site, you may want to take a small piece and have it analysed. Visit top-rated & must-see attractions. Each sand has been selected for specific applications and areas of use. Use a sharp sand to BS882 which is free of vegetable matter, clay and salts. Compared to polymeric sand, premium joint sand takes less absorption and drying time which makes the restoration process faster and more efficient. However, if you're seeking an inexpensive well installation option and your area's water table is within about 30 feet of the surface, a sand point well might be a good choice for you. A general rule of thumb: If the building was built in the 20th or 21st centuries, the mortar is most likely made of Portland cement, comprising common lime, sand and water. Type O is 1 part cement, 2 parts lime and 9 parts sand. If you do this while the mix has just been freshly made, it's a lot easier to clean out than if you let it dry. This sort of damage can take decades to occur but it is important to repair the pointing as necessary otherwise water will increasingly penetrate and damage the wall. 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. If you're mixing by hand, then you'll need either a bucket or a board, depending on how much mortar you need. It should be a nice, smooth finish with a small amount of foam bubbles visible. Looking at other articles, most suggest a 3-1 mix too strong and suggest 5-1, and the best mix is using lime. is it ok to use silver sand with the white cement as i believe that silver sands keeps the cement white. First Class Brickwork, it is perfect for load bearing walls as the minimum crushing strength of the bricks used is 105 Kg per sq The cement sand ratio for brick masonry is 1:3 to 1:6. Rain Defence (author) from UK on May 13, 2014: I always use a 1 to 3 mix. 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. Now I know how easy it can be i'll give it a try. Sand is the major component of a mortar mix and will vary depending upon where it is sourced, which can be on land or sea-dredged. But now and again, you'll still need to add a touch more sand or cement. 1 part soft sand, 2 parts sharp sand, 1 cement, half part lime is optional. We have reviews of the best places to see in Sandpoint. Generally, NHL2 or air dried lime putty mortars are employed internally with either NHL2, 3.5 or lime putty with pozzolan additives tend to be used externally. This article is accurate and true to the best of the author’s knowledge. Hydrating the old mortar area helps reduce the occurrence of mortar shrinkage due to the bricks absorbing moisture from the new mortar. For best results ude a 50:50 mix of fine and sharp sand, plus the cement … A general rule of thumb: If the building was built in the 20th or 21st centuries, the mortar is most likely made of Portland cement, comprising common lime, sand and water. POINTING is the mortar between bricks. I am attempting to drive a sand point well at a property in northern Wisconsin that i recently purchased. Now it's time to get to work :). cheers. This helps to restore the brickwork structurally and aesthetically. Sand Point - Mo's Wine & Spirits. If a jobs worth doing, it's worth doing well. Pointing is the term given to the ‘finish’ that is between the bricks or stone used to build your house. First, you sweep off the tops of the pavers. This can be labor intensive depending on the age and condition of a brick wall, but well worth it. I don't measure it, but put in say 1/3rd of a cupful into a bucket for example. Type K mortar is generally used only for interior or historical pointing of soft, hand-made brick. It doesn't take long for you to feel the effects, so it's best to just wear protection for your hands from the onset. 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. Mortar Analysis 6. I would remove all of the cement and start again,cement mortar in old buildings can cause damp and condensation problems so I’d strongly suggest going with a lime pointing with either 2 and a half sharp/ building sand and 1 lime then either finish in weather struck or a beaten finish Good luck! The best sand to use for rendering is coarse sand, which can give a smooth finish appropriate for most vernacular buildings. I mostly use red sand, because it's darker and doesn't stand out so much. Replacing Bad Bricks Any bricks in the wall that are badly broken or deteriorated should be cut out and replaced prior to repointing. You still want to use the plasticiser, and you will still need the trowel to check the consistency after you've mixed everything together. You can use either a brush or sometimes a hammer and bolster (a mortar chisel), depending on how stiff the old mortar is. Ian's approach involves two separate steps - tamp pointing and then finish pointing. 953 Post Road Fairfield, CT 06824 | (203) 255-7623 After emptying it out, put some water and loose half bricks or pebbles in there, let it swill round, and empty it out again. furniturez from Washington on August 08, 2012: Awesome stuff, I was looking around for something like this for a few weeks! If you are repointing a historical site, you may want to take a small piece and have it analysed. If it gets too sloppy, then add a bit more sand. When I need help again I now know where to look . If you can see any cracking or a sandy texture, then add more cement. Then he packs the first 1 1/2 to 2 inches with mortar and a tamper. Sands are mostly responsible for the void structure of lime mortars and, therefore, for its vapour permeability, so vital for the performance against accumulation of condensation. MaxiPoint is premixed ready to use flexible pointing compound, developed specifically for the roofing contractor. Use a small pointed trowel for this to ensure a good bond. For wet pointing dont use fine sand. Standard mix for wall pointing: 5 parts building sand, 1 part cement, add plasticiser to manufacturers instructions. I purchased a 2" sand pint and 2" galvanized pipe. Similarly, if you're repointing or rebedding ridge tiles, then it's normally worth taking off the old ones and cleaning off all the old mortar. Pointing is the implementing of joints to a depth of 10 mm to 20 mm and filling it with better quality mortar in desired shape. HI thanks for the very straght forward instruction ,on how to mix the right mix quantity, and good tips on actually doing the pointing job , just waiting for good weather now,cheers,mikey. Your hub is very informative! I want just a plain grey mortar finish, best to use a yellow sand? Note: It's a good idea to mix up thoroughly the sand and cement together with your trowel in a bucket or board before you put any water in. Cement can cause a reaction with your skin—drying it out, cracking it, and causing you considerable pain. The oyster shells should be thoroughly washed and dried before crushing them. Resiply makes pointing pavings slabs as … Using a stronger mortar may damage weak areas around the part that is repaired if the stronger mortar puts stress or extra load on surrounding areas, especially during times of thermal expansion and contraction. Many thanks. Masonry repair work can not only damage but destroy old homes, unless you are an informed consumer and know what to ask.You the homeowner are responsible for protecting your home. This type of sand holds even when the mix is a little richer in lime than a standard pointing … As you point, you will need to repeatedly clean the trowel off on the side of the bucket or something similar to keep it clean and clear. Where would we be without building sand. The most important thing to consider when repointing an old chimney is that you don’t want a mortar that cures a lot harder than the old brick. Mixing mortar for your brick repointing job will probably not mimic what you see on residential construction sites. Use maximum amount when mixing by hand. The only real downside up to now has been the cost, but as the market has developed, this has now settled at a level that makes this group of products reasonably competitive with the better cement-based proprietary brands. It is done for cement mortar and lime mortar joints. And if it's too wet, then it will slide out. A colouring is sometimes added. Once you've thoroughly mixed up the sand and cement, it's time to start slowly adding the water and some plasticiser. Randall Cornell on July 31, 2015: Black mortar uses crushed ash rather than sand. Danielle from Toronto on September 09, 2016: I really like this post. Copyright 2020 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. The easiest way to check if the consistency is right is to use the top of a clean trowel to lift the mortar from the bucket, then hold the trowel on its side. The mortar is normally a mix of lime and sand, or from the 1920s cement and sand. Sands can also be mixed together on occasion to get the best of both worlds. For both mixes, add one bucket of cement. How To: Repoint Brick Walls Repointing brick walls and chimneys with new mortar will not only enhance their beauty, but ensure that they remain secure, stable, and sound for years to come. The mix is then dark. Excess fines in sand result in poor workability and are often corrected by an excess amount of water, resulting in poor durability. Reading List 14. If you are repairing a damaged area, you need to use mortar that is similar to the original mortar used or a weaker mortar. In this type, mortar is pressed hard in the raked joints and by finishing off flush with … For instance, if the original mortar analysis indicates additives, usually oyster shells or horsehair, you should add those into the pointing mortar. You also need to check the mortar by smoothing it off in the bucket with the trowel. If you just go over the top of the old mortar, it's a lot quicker, but what you put on will crack and fall off. You can then go back and point it up with a bit more to finish. Shop with confidence on eBay! Make sure that you keep your trowel clean. If you don't have enough cement, then the mortar will crumble when it dries. Looking at other articles, most suggest a 3-1 mix too strong and suggest 5-1, and the best mix is using lime. If you have large gaps to fill, then put a layer of mortar in rough and leave it to dry for a few hours. Chimney maintenance costs are published on this page. Things to Do in Sandpoint, Idaho: See Tripadvisor's 10,147 traveler reviews and photos of Sandpoint tourist attractions. You don't want this! Lime pointing of traditional masonry using lime mortar based on lime putty or natural hydraulic lime (NHL) offers many advantages over cement based mortars. A more accurate definition is that it is the visible edge of the mortar-joint. Robert C. Mack, FAIA, and John P. Speweik 1. Proven on roofs for over 20 years. as required. Mixing a small sand and cement bucket mix like this by hand is not only fast, but very cheap for small DIY jobs around the house. What sand do you use for pointing? Rake it out and do it properly! As a general rule, you should remove mortar from inside the pointing site at a depth that is at least the same thickness as the mortar joint. PointMaster Mortar Pointing Gun and grouting tool for masonry pointing, brickwork, ... 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. Best Seller in Sand. Repointing the brick where mortar has fallen out, worn away, or is just too deep. POINTING is the mortar between bricks. As the hardest wearing method, a sand and cement joint is often considered the best way of pointing in on patios, especially on Sandstone Paving, and quite often Slate. Repointing brickwork, also known as pointing or tuckpoint, is a means of removing damaged mortar and replacing it. Best Dining in Sand Point, Alaska: See Tripadvisor traveler reviews of Sand Point restaurants and search by cuisine, price, location, and more. Type K is 1 part cement, 4 parts lime and 15 parts sand. 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. For joints which are less than ½ an inch (13mm) you should use silver sand. Sand will give the mortar a gritty consistency and help it have stronger cohesion. This is an example of a brick wall that needs repointing. You can use a grinder and then a hand brush to clean the old material out until there is no loose mortar left. So unless you have a specific reason to use yellow sand to match what you may already have on there, I'd recommend red. Once you put the water in, it becomes more difficult to mix. Download the PDF Masonry—brick, stone, terra-cotta, and concrete bloc… Then along came Resi-Dual from Resiply – perfect pointing every time. You can match one heaped trowel worth of cement to three trowels worth of sand. Rain Defence (author) from UK on January 08, 2014: Thanks for your comment, just keep an eye on the forecast, we are due some sun at some point (I hope!). Very useful hub, something I really need to do this summer on my house. When you apply the mortar to the joint, make sure to push it into the joint so it makes contact with the existing brick and mortar. If you just go on top of old stuff that's loose, then the new mortar you put in will just come out again. The sand colour will affect the finished mortar colour. From making mortar for the laying of bricks and stone in the construction of houses and homes to the building of garden walls and pointing of paving slabs. How to Mix the Sand and Cement. Rain Defence (author) from UK on August 08, 2015: You're best to use red sand in my opinion. What most roofers do is put the mortar line down, then use broken pieces of tile between the ridge tiles—mixed in with the mortar—to add some strength. (It's a lot easier to mix it while it's dry.). Although it is not particularly difficult to do, there are a couple of things to know. Select new bricks … 'Catch-up' pointing is best undertaken as soon as possible after the paving has been laid, and should be done on a fine day, when there is no chance of rain or frost. If you use yellow sand the mix ends up pretty light in my opinion and isn't as appealing. If applicable, add the plasticiser according to the instructions on the packaging. Cement is extremely cheap by the way so even if you bought 2 in case you messed up the mix it would cost you peanuts. You want to keep mixing the mortar as you slowly add the water until you get the right consistency. Handy Man Know How: Pointing brickwork and chimneys, Mac Online: Repointing (tuckpointing) brick masonry. So i have 5' of water. Just what I was looking for. You must remove the defective mortar from the area and clean the joint to prepare the area. I’ve only made it once for curiosity’s sake only. For older period homes, a lime-based should be used instead of cement. After some advice on pointing, I'm about to lay approx 27m2 of Indian sandstone and have been debating with myself the pros and cons of traditional pointing versus the polymeric brush in types.
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