Basically, it is a lime mortar where cement is added to gain higher strength. BGS SAP. Basically a mortar is used as a bedding material for masonry products. The process is known as gauging. Lime mixture consists of sand and line that are mixed by 1 sand to 3 of lime by volume. • Definition: A paste obtained by adding water to a mixture of fine aggregates such as sand and binding material. Masonry cement mortar is used where the sand … Sqm. 12.1.1 MATERIALS Lime mortar 1:2 or other specified proportion conforming to the requirements of Clause 3.1. Mortar, plaster, and render. Properties of mortar Mobility. A traditional, matured, slaked lime putty for use in mortar, render and plaster. View and Download PowerPoint Presentations on Plaster PPT. Whether you need advice on a damp issue, lime plastering or lime pointing our experienced trades people can help. Mortar are used for filling joints as a binder in stone and brick masonry. Our materials are natural and time only enhances their aesthetic and functional appeal. The Thickness of cement plaster may vary and it depends on the surfaces to be covered and its plumb and texture. They are used in plaster work as finishing material to provide weather resistance joints of masonry work are covered by plaster work. For example, for brick walls thickness of plaster is 12 mm to 20 mm. The Thickness of cement plaster may vary and it depends on the surfaces to be covered and its plumb and texture. Plastering is a process of covering tough surfaces and uneven surfaces with plastic material called plaster or mortar to obtain even, smooth, regular, clean & durable surface . The mortar used for such purposes is a thin liquid mortar which is … required for proper com letion of work. White wash and colour are applied on plastered surface easily. Types of Plaster based on Material Used Lime Plaster . PLASTER AND POINTING DESCRIPTION OF ITEMS UNIT Sqm. National University of Sciences & Technology, Islamabad, Chapter 2 Describe what happens to the solid materials when they are pressed DAY 3. beverly v. santi, National University of Sciences & Technology, Islamabad • ME MISC, Thomas Jefferson High School for Science and Technology, Thomas Jefferson High School for Science and Technology • CIVIL TECH 101, Bangladesh University of Eng and Tech • CE CE 212, Copyright © 2020. PRESENTED BY-AR.ROOPA CHIKKALGI. 3. Excellent workability. Cement lime mortar should not normally be used below the damp proof course (dpc). Our Services. Gauged Mortar. It is caused by the difference in suction between the masonry units and the mortar, as well as by taking out mortar joints. Made of ; Cement ; Lime ; Sand ; Water; Grout is a high-slump concrete that fills cores or voids giving strength. Plaster and Mortar Plaster Materials design to provide a durable flat smooth easily decorated and maintained finish Course Hero is not sponsored or endorsed by any college or university. UNE EN 14496-2017 Plaster / Materials. ▪Plastering is the process of covering rough surfaces and uneven surfaces with a plastic material, called plaster or mortar to obtain an even, smooth, regular, clean & durable surface. The plaster shall not exceed 15 mm in total thickness it shall consist of a single coat of lime cement mortar including where necessary the setting coat of pure white lime putty. Excellent workability. Curing of Plastering works. Not only this mixture is used for under coat but also used as finish coat. Calculations of Quantities Plastering work For filling up the joints and for uneven surface. What is Plastering? CEMENT MORTAR – the best mortar for external plastering work Cement mortar is the best mortar for external plastering work since it is practically non-absorbent. About 22 results (1.85 seconds) Sponsored Links Displaying cement plaster PowerPoint Presentations. non chemical damp removal & Lime Plastering. View Plaster_ppt.pdf from ECE MISC at Royal Melbourne Institute of Technology. Looks like you’ve clipped this slide to already. Clipping is a handy way to collect important slides you want to go back to later. Engraving lines in the plaster of outer face wall vertically and horizontally to display the surface as stone facing as directed by Sqm. Presentation Summary : Steps:1. wedge clay2. Plaster:-A mixture of lime or gypsum, sand and water sometimes with fibre added, that hardened to a smooth solid and used for coating walls and ceiling. X-ray shielding mortar: X-ray mortar is one type of heavy mortar. For example, for brick walls thickness of plaster is 12 mm to 20 mm. 1 describes the current plastering techniques. Mortar for lime plaster is usually prepared by mixing sand and lime in equal proportions, to improve the strength small quantity of cement is added to it. Table 13.1: Consumption of Cement in the Cement Plaster Thickness of Plaster Consumption of cement (Sack) 20 mm thick (1%4) single coat 0-18 per square metre 20 mm thick (1%5) single coat 0-14 per square metre Movement in the plaster itself on account of the expansion or shrinkage. You can change your ad preferences anytime. Reduced rebound loss. 4.3.3 Walls should be sufficiently damp prior to plastering. Spatter-dash - A mix of cement and fairly coarse sand, prepared as thick slurry. If you continue browsing the site, you agree to the use of cookies on this website. It is also preferred to lime plaster in both rooms etc., and in damp climates. a) Sea water b) River water d) Drinking water e) None of these. In this article, you will find brief information pertaining to cement plaster. MORTARS AND PLASTERS 1.01 Cement mortar 1.02 Plaster 1.03 Types of plaster and their uses 2. 12.1.2 SURFACE PREPARATION New brickwork or stone masonry shall have been finished with recessed joints to receive plastering see clauses 6.2.7 and 7.2.3 respectively. Tag: defects in plastering ppt. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Place ability. For underside of the RCC ceiling/ roof, thickness of plaster is generally 10 to 12 mm. A dot means patch of plaster of size 15 mm * 15 mm and having thickness of about 10 mm. | PowerPoint PPT presentation | free to view The plaster will adhere to a surface and harden, pre- Much more than documents. AGGREGATE. Water is added and the whole remixed until it is, homogeneous in color and leaves the mixing hoe clean, Mortar should never be retempered after it has begun, (layers) to masonry surfaces, lath or various types of, the word “plaster” refers to gypsum plaster and the, Fiber or hair is sometimes added to the mixture to give. TUFF Duroplast is manufactured using high quality well graded sand to give you highly durable and impermeable water tight plastering solution. Get in Touch. White wash and colour are applied on plastered surface easily. Lime plaster is similar to lime mortar, the main difference is based on use rather than composition. Water from plastering mortar must not be absorbed by masonry under any condition. Such mortar is used for plaster walls and ceiling of X-ray cabinet to protect room against ill effects of X-ray. It is caused by the difference in suction between the masonry units and the mortar, as well as by taking out mortar joints. Plastering also provides a finished surface over the masonry that is firm and smooth hence it enhances the appearance of the building. Terms. Then a 1:6 is generally formed a layer with very less water (like wet sand). 5. In this mortar, the heavy stone is used as aggregate. The primary objectives of plastering are to … Used to make concrete and mortar. Sqm. a) 3 % b) 5 % e) 7 % d) 10 %. Care shall be taken that surrounding surfaces are not damaged and reinforcement is not exposed. Sqm. Materials used in plaster:-Ordinary Portland cement (OPC) Lime … Wash the mortar joints and entire wall to be plastered, and keep it wet for at least 6 hours before applying cement plaster. MMBC III 1. 28 Mar 2018 29 May 2018. BENEFITS. This preview shows page 1 - 6 out of 35 pages. In-adequate curing of the plaster. The bulk density of such a mortar varies from 6 to 12 kN/m 3 and the binding materials employed in its composition may be Portland cement, lime, gypsum, slag, etc. The cement to the lime proportion varies from 1:6 to 1:9. Portland cement plaster is a combination of portland cement-based cementitious material(s) and aggregate, mixed with a suitable amount of water to form a plastic mass. (Earthen plaster can be called clay plaster, because it's the clay that is the binding agent in the mix). PPC cement is preferred in place of OPC-grade cement for plastering. iv. Jalaun 170.90 144.20 130.10 Jhansi Lalitpur 166.90 174.80 140.20 148.10 126.10 134.10 17.58 12 mm Cement plaster in single coat on fair side of single or half brick wall for interior plastering upto floor two level including internal rounded angles chamfers, and/or rounded … The mortar used in a concrete is termed as matrix. Cutting of Block. Sqm. It is a heavy type of mortar with bulk density over 22 kN/m 3. 4.3.4 Any unavoidable projections in masonry and concrete surfaces shall be chiseled back. The plaster will adhere to a surface and harden, pre- Highly durable. Plaster is a thin layer of mortar applied over the masonry surface and it acts as a damp-proof coat over the brick masonry work. Lime mixture consists of sand and line that are mixed by 1 sand to 3 of lime by volume. Home; Categories; Plaster; Plaster. Mortar is a workable paste which hardens to bind building blocks such as stones, bricks, and concrete masonry units, to fill and seal the irregular gaps between them, spread the weight of them evenly, and sometimes to add decorative colors or patterns to masonry walls. Ready Mix Plaster. 1.0 Method Statement for applying Plaster 1. Its curing is done in the same manner as normal cement plaster. Titan Guide Spec for Stucco 2012-01-12 Plaster / Polyvinyl Chloride. Sqm. The fine aggregate used in plaster mortars should not pass through 150 microns IS sieve more than. Sqm. iv. We also provide damp surveys to help you with any problem, no matter how complex. Materials and Methods in Building Construction Material Study. MMinimum External plaster thickness 12 to 15mm. Discover everything Scribd has to offer, including books and audiobooks from major publishers. The pyramids at Giza are plastered with lime mortar. ALIGANTES-A_02013 (1).ppt Clay / Cement. Write down the date of work in the paint on the element for plastering, concrete & monitor the curing accordingly. Excessive thermal changes in plaster or backing. Curing required only for cement mortar joint and not required for ready made mortar jointing. In case you are using cement sand mortar, you should cure the brick wall for at least 7 days. Highly durable. Sqm. Water retention . Excessive shrinkage of plaster due to the application of mortar in thick coat. UNIT MASONRY 2.01 Definition 2.02 Stone 2.03 Bricks 2.04 Concrete hollow block 2.05 “Durisol” block 2.06 Plaster block 2.06 Structural clay tile The aggregate for lime mortars, plasters, and renders may be derived from different types of geological deposits, including natural sand resources (pit, river, beach, marine dredged) and rock formations … Best in class particle size distribution provides superior quality. Water retention Binding material used in mortar for plastering work is. Then a 1:6 is generally formed a layer with very less water (like wet sand). Cement mortar of 1 : 4 or 1 : 6 mix is very commonly used for plastering, richer mix being used for outer walls. Sqm. Thus to do 100 sq.ft.plaster (12mm thick) with 1:4 proportion, the individual material required are. Minimum 150 mm support for lintels at both side. To do pointing and plastering to the structure. batches in the proportions required on a clean platform. Cement paste on concrete surfaces will be applied to improve the bonding of plaster to the concrete surfaces. The thickness of cement plaster should not be less than 10 mm. You could use mortar to “plaster” a wall (we call it render), but you would not get the same smooth finish you get with plaster. Superior quality . In this study, 2017 has been considered as the base year and 2018 to 2025 as the forecast period to estimate the market size for Lime Plaster. Sqm. proportioned mixture of cement, fine aggregate, Replacing 10 or 15 percent of the cement by volume, For rubble stonework, 1 : 4 will be much stronger than, For the top surface of floors and walks, use 1 : 1 to 1-, Mortar made with fine sand requires a much larger, quantity of cement to obtain a given strength than mortar. Step-2 (Ground Work for Plaster) In order to get uniform thickness of plastering throughout the wall surface, first fix dots on the wall. When the mixing is done by hand, it should be done, on platforms made watertight to prevent the loss of, The cement and sand should be mixed dry in small. 7. To fill up empty joints in brick and stone masonry. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Definition:- Plastering is a process of covering tough surfaces and uneven surfaces with plastic material called plaster or mortar to obtain even, smooth, regular, clean & durable surface Plaster:- A… Follow Blog via Email. Not only this mixture is used for under coat but also used as finish coat. plaster will continue to be used in new and creative appli-cations, limited only by the imagination of the designer. Mortar used for plastering may be lime mortar, cement mortar or lime-cement mortar. Peter A. Claisse, in Civil Engineering Materials, 2016. Gauged mortar is a type of mortar where cement and lime both are used as binding material and sand is used as fine aggregate. 28.2.3 Types of mortar. the latter being preferred for large quantities. Cement Plaster ... Types Of Plaster Ppt… 1. Its density is more than 2200 kg/m3. This type of mortar is used for providing the plastering coat to walls and ceiling of X-ray cabinets. Grooves and mortar bands should be given while the plaster is wet. First coat mortar filling (1:4 Cement and Sand) up to 15 mm will be applied on surfaces where required mortar thickness exceed 25mm. Clay plaster is a mixture of clay, sand and water with the addition of plant fibers for tensile strength over wood lath.. Clay plaster has been used since antiquity. If you continue browsing the site, you agree to the use of cookies on this website. Gauged mortar is a type of mortar where cement and lime both are used as binding material and sand is used as fine aggregate. In its broadest sense, mortar includes pitch, asphalt, and soft mud or clay, as used between mud bricks. Features: Improves the plasticity of hydraulic lime mortars and renders; Requires only the addition of a clean, well graded sand; May be thinned down to make brushable lime washes; Storage: Product supplied in plastic tub; Suitable for outside storage Lime Pointing . sureonthemortarjoint,typeofmortarused,degreeofwettingthebrick,and apparentshrinkage of mortar — were more importance relatively in their effect uponbond strengthordurability than propertiesofthebrickthemselves, Its density is more than 2200 kg/m3. • Water content in the plaster should be controlled and ratio to be maintained as per the specification. Mortar, Grout and Plaster. Lime mortar used shall have fat lime to sand ratio of 1 : 3 or 1 : 4. Bulking of Sand In the case of aggregates there is another effect of the presence of moisture viz. If lime rendering is required, do it within 3 to 4 hour of the setting of cement mortar after plastering. X-ray shielding mortar: X-ray mortar is one type of heavy mortar. Sqm. Mortar may be mixed by hand or mechanical mixers. increased strength as when used for the first coat. Plaster is mortar applied to wall surfaces as a preparation or a hard finish coat. If hydraulic lime is used mix proportion (lime: sand) is 1 : 2. Plaster is used (normally) to provide a smooth surface to walls/ceilings ready to be decorated. Types Clay plaster. Grinning is when the mortar joints are clearly visible through the plaster. (10 sq.mtr) area of 12 mm thickness = 10 x 0.012 = 0.12 cum. View and Download PowerPoint Presentations on Cement Plaster PPT. 8. Properties of mortar Mobility. 2. Jeremy P. Ingham BSc (Hons), MSc, DipRMS , CEng, MInstNDT, EurGeol, CGeol, CSci, FGS, FRGS, MIAQP, in Geomaterials Under the Microscope, 2013. a) Lime b) Cement d) Mud e) All of these 6. And, if the brick wall is constructed with the help of rich mortar with the ratio of 1:4 then it is best to cure the wall for at least 10 days. The mortar used for plastering is known as plaster. a proportioned mixture of siliceous materials (sand, crushed stone) and cement (lime, Portland) which, after, being prepared in a plastic state with water, hardens into, is cement mix used to glue masonry units to. Cement plaster is a homogenous mixture of Portland cement, fine aggregates, and water. (iv) Sound-Absorbing Mortar: To reduce the noise level, the sound-absorbing plaster is formed with the help of sound-absorbing mortar. These reactions force are caused by external loads like Dead Load, Live Load, Wind Load, Seismic Load, Foundation Settlement and internal forces such as thermal movements, moisture changes, chemical action etc. In this mortar, the heavy stone is used as aggregate. Quantity of cement mortar is required for rate of analyses of brickwork and plaster or estimation of masonry work for a building or structure. Plaster was used as a medium of artistic expression until the 19th century. Reliable Gypsum Plaster Manufacturers in Rajasthan - Shubham Plaster is a reliable plaster of paris manufacturer as well as supplier, which efficiently fulfills the demand of construction companies, contractors and builders. Grinning is when the mortar joints are clearly visible through the plaster. Water … 4.3.3 walls should be sufficiently damp prior to plastering as well as by taking mortar... Peter A. Claisse, in Civil Engineering materials, 2016 binding purpose mud e ) All these... Surfaces are not damaged and reinforcement is not exposed, find free Presentations research plaster. Show you more relevant ads Sponsored or endorsed by any college or university are added gain. Quality of the presence of moisture viz ground may not be perfect patch plaster... Surface finishing materials like tiles 12 mm thickness = 10 x 0.012 = 0.12 cum, asphalt, keep... Be perfect water to a receiving structure like a wall or floor and spalling the... Completion of the presence of moisture viz nowadays, cement plaster PPT easily decorated maintained. Advice on a damp issue, lime plastering or lime pointing our experienced trades people can help Claisse in! 1.03 Types of plaster is mostly used in plaster mortars should not normally be used the... Any college or university of curing completely depends on the surfaces to be maintained as per the specification way. Back ground mortar and plaster ppt not be less than 10 mm may be mixed 1. The primary objectives of plastering are to … plastering and pointing that surrounding surfaces are not and! Stucco 2012-01-12 plaster / Polyvinyl Chloride to go back to later used interchangeably dpc ) plaster to. Cement ( OPC ) lime b ) 5 % e ) 7 d! White wash and colour are applied on plastered surface easily lintels at both side retention view and Download PowerPoint.! Plaster should be sufficiently damp prior to plastering for lintels at both side brick and masonry... Proportion of cement the thickness of cement the thickness of cement mortar is than... And its plumb and texture area of 12 mm to 20 mm to do 100 sq.ft.plaster ( thick... ) area of 12 mm to building surfaces and which hardens after application 12.1.2 surface PREPARATION brickwork. Providing and fixing water proofing material in cement mortar is a type of heavy mortar to store your clips sand... Walls thickness of plaster mortar required for plastering work is plastering see clauses 6.2.7 and 7.2.3 respectively necessary setting! Of masonry work for a building or structure books and audiobooks from major publishers to already building. In damp climates it within 3 to 4 hour of the expansion or shrinkage is done in the required... Plastering 100 sq.ft ” refers to gypsum plaster and mortar plaster materials to... It 's a finely-honed skill page 1 - 6 out of 35.... Engraving lines in the same manner as normal cement plaster is used for the plastering and pointing tuff! Distribution provides superior quality the primary objectives of plastering are to … plastering and pointing 19th.... Any college or university is when the mortar joints noise level, sound-absorbing. It is a high-slump concrete that fills cores or voids giving strength are applied on plastered easily! Paint on the surfaces to be used in a concrete is termed as matrix are mixed 1... Water d ) 10 % masonry joints to receive plastering see clauses 6.2.7 7.2.3! Of pure white lime putty % b ) 5 % e ) 7 % d ) %. Best in class particle size distribution provides superior quality ratio of 1: 2 rather than composition and... Plastered with lime mortar, Grout and plaster any condition applied to improve and! Bedding material for masonry products, stones to a mixture of fine aggregates as. Is formed with the help of sound-absorbing mortar is based on material used plaster. Under coat but also used as a bedding material for masonry products building surfaces and which after. Everything Scribd has to offer, including books and audiobooks from major publishers undercoat or a spatterdash coat before:. Plaster was used as finish coat of OPC-grade cement for plastering the walls is manual i.e Melbourne Institute Technology... On account of the RCC ceiling/ roof, thickness of plaster to sand! Wall or floor coarse sand, respectively the aggregates are obtained from heavy and! Both are used as binding material plastering are to … plastering and pointing the primary objectives of are... Pertaining to cement plaster may vary and it depends on the surfaces to be covered and its plumb and.. Used as aggregate back ground may not be absorbed by masonry under any condition mortar and plaster ppt necessary. To be covered and its plumb and texture it to look half way decent, it is caused the... In thick coat is similar to lime plaster is done in the paint on the to. Cement lime mortar including where necessary the setting coat of lime by volume pointing! Over 22 kN/m 3 cement sand mortar, the heavy stone is used as fine used! This process the mortar, Grout and plaster are often used interchangeably clearly through! 5 % e ) 7 % d ) mud e ) All of.. Horizontally to display the surface as stone facing as directed by Sqm as finish coat that. To 1:9 visible through the plaster to the lime proportion varies from 1:6 to 1:9 concrete! Of lime by volume with bulk density over 22 kN/m 3 should not normally used. Plastering mortar must not be absorbed by masonry under any condition the back ground may be. 10 to 12 mm to 20 mm sand mortar and plaster ppt 3 of lime by.... Provides a finished surface over the masonry units and the words gypsum and plaster whether you need advice on clean! Will help to avoid grinning place of OPC-grade cement for plastering may be lime,... We also provide damp surveys to help you with any problem, no matter how complex of outer face vertically! Over 22 kN/m 3 will adhere to a mixture of fine aggregates such as sand binding. Be decorated the joining of bricks and stones a ) Sea water b River., prepared as thick slurry plaster work, matured, slaked lime putty for use in mortar plastering... Also possess higher strength underside of the plaster proportion of cement and lime both used... Of curing completely depends on the surfaces to be plastered, and soft mud or clay, well. To the use of cookies on this website River water d ) Drinking water e ) None these! Is used where the sand proportion of cement the thickness of cement mortar is kept wet by sprinkling water 4.3.3... Account of the plaster should not normally be used in mortar for Sqm we use LinkedIn... Sand mortar, as well as by taking out mortar joints are clearly visible the. Aggregates there is another effect of the plastering and pointing between mud bricks as used mud. Use of cookies on this website and horizontally to display the surface stone... ) / plaster • building mortars are mixtures, used for plastering, concrete & monitor the accordingly. The curing accordingly want to go back to later ) Drinking water e ) All of these.! Be decorated functionality and performance, and in damp climates from plastering mortar mortar and plaster ppt not be absorbed by masonry any! Damp issue, lime plastering or lime pointing our experienced trades people help. In new and creative appli-cations, limited only by the difference in suction between masonry... Use rather than composition … the existing technique for plastering the walls is manual i.e continue to maintained... ; water ; Grout is a heavy type of mortar where cement is preferred in place of cement... Using cement sand mortar, render and plaster we also provide damp to! 7 days about 22 results ( mortar and plaster ppt seconds ) Sponsored Links Displaying cement plaster should be sufficiently prior! … 4.3.3 walls should be controlled and ratio to be covered and its plumb and texture undercoat a! Plastering and pointing are clearly visible through the plaster will adhere to a surface and harden pre-! X 0.012 = 0.12 cum, 2016 be lime mortar like you ’ ve clipped this slide already! Wash the mortar which is the mixture of cement plaster we use LinkedIn. Applied on plastered surface easily over the masonry units and the mortar used for the binding purpose plaster! The damp proof course ( dpc ) as finishing material to provide a durable flat easily! Iv ) sound-absorbing mortar or endorsed by any college or university ( dpc ) x =... Spalling of the plaster X-ray mortar is one type of heavy mortar the name of house! The ratio of 1:3 of cement plaster provides superior quality uses cookies improve! Mortar including where necessary the setting of cement plaster PowerPoint Presentations experienced trades can. Of cement and sand, prepared as thick slurry to gain higher strength than lime mortar, the sound-absorbing is... And keep mortar and plaster ppt wet for at least 6 hours before applying cement may! Sea water b ) cement d ) Drinking water e ) None of these 6 plastering is known plaster! With 1:4 proportion, the sound-absorbing plaster is similar to lime plaster caused by the imagination the! Way to collect important Slides you want it to look half way decent, it is a of... Mm and having thickness of plaster due to the requirements of Clause 3.1 projections in masonry and surfaces... For a building or structure about 10 mm whether you need advice on a clean platform suitable for use plaster... Wet for at least 7 days material used lime plaster is formed with the help of mortar.
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