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Reinforcement Corrosion Protection: Using a suitable clean brush or spraying equipment apply a first coat to cover the whole exposed circumference of the reinforcement bars approximately 1 mm thick. The Unforgiving Environment of Marine Concrete. Product details. SikaTop Armatec-108. Steel reinforcement: Li Cheng, Li Cheng. of cement and a brushable slurry is prepared. The coating shall be visually inspected after curing for continuity of the coating and shall be free from holes, voids, contamination, cracks and damaged areas. Free from dust, loose material, surface contamination and materials which reduce bond or prevent suction or wetting by repair materials. You will receive a link and will create a new password via email. rust. (850mL) Tube, Carlisle MiraClay: 5ft x 14ft (70sqft) Roll, GE SSG4000 UltraGlaze: Structural Glazing Adhesive 10.1oz Tube, MasterKure HD 300WB: Concrete Hardener and Dustproofer, Dynapoxy EP 1200: 1.5 Gal. This coating is again repeated after 4 hours of air drying. Metallic coatings are usually applied on steel surfaces using one of five common methods. Delaminated, weak, damaged and deteriorated concrete and where necessary sound concrete shall be removed by suitable means. The Anticorrosive treatment is applied after the rods are cut and Spray apply with Goldblatt Pattern Pistol or equal equipment. shall be considered when fusion bonded epoxy coating is used. There are many reinforcement treatment methods for instance anticorrosive treatment using acid or alkali agents and fusion bonded epoxy coating. b) Corrosion resistance as per salt fog test > 2000 hrs. Aggressive/saline/toxic environment. Good barrier effect against water, chlorides and CO2. It is an electro-chemical technique to stop steel corrosion by galvanic anode or induced current. The carbonation process moves as a front through the concrete, on reaching the reinforcing steel, the passive layer decays when the pH value drops below 10.5. The curing of concrete requires high water demand. This paper discusses mechanism of corrosion in reinforced concrete and its thermodynamic and kinetic behaviour. Typical Mechanical Properties of anticorrosive coating are: a) Average thickness of coating = 0.3 0.1 mm, b) Rockwell superficial hardness = 40 HR 15 N. Typical Corrosion Resistance properties are as under: a) Tolerable limit for Chloride In 0.04 N, NaOH as per Anodic Polarisation Technique 5000 ppm. Also, the zinc has a greater PH passivation range than bare steel. Euclid Speed Plug : 5 Gallon Hydraulic Cement, Miraseal CCW 5 Gallon Elastomeric Waterproofing, Stratatech ST-520 :Polyurethane Injection Resin, Firestop ES-105 : SpecSeal Elastomeric Firestop Sealant, Dryvit Stucco : Dryvit Systems and Products, Carlisle CCW Miradri 860/861: Self-Adhering Membrane, SikaQuick VOH 50LB : Vertical Overhead Concrete Repair, Arctic 2CNS Sikaflex 1.5 Gallon : Cold Weather, Henry Blueskin SA : Self-Adhered Air Barrier, Pecora 898 NST 10.1oz Tube : Sanitary Silicone. Contains EpoCem technology - improved bonding agent Extended open times for repair mortars Discrete anode for corrosion mitigation of incipient anode adjacent to concrete repaired areas, Active corrosion inhibitor for reinforced concrete, Bonding primer and reinforcement corrosion protection, Bonding Primer and Reinforcement Corrosion Protection. Use of appropriate cove block is recommended during construction. The most feasible way to stop this corrosion is Cathodic protection using zinc as the active anode. 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All of the corroded material is then removed and the steel treated or replaced. The coating is then allowed to dry for 12 - 24 hours. oz Tube, Watson Bowman WaboCrete 2: Black 6.5 Gal Unit (.6 cu ft.), Unitex Fast Pro-Poxy 300: 20oz (600ml) Dual Cartridge, Euclid Quick Stitch: Crack Repair 22oz. This process is The superior durability and corrosion protection of hot-dip galvanized steel made it the logical choice for the reinforcement of concrete in such an integral aspect of the structure's design. Corrosion of steel produces hydrated iron oxide or rust, which is very expansive. Good resistance to water and chloride penetration. For stainless steel the The first line of corrosion defense is barrier protection. Galvanic cathodic protection requires a sacrificial anode that is more electrochemically reactive than the material to be protected. Swimming pools are designed for inward soil pressure based on a term called. Easy to use. 354. Inhibitors are the chemical substances which are added to the concrete in small concentrations to inhibit the time to initiation of corrosion in concrete structures. as per IS-1786. Sikaflex 2CSL 1.5 Gallon Tint Base : 2C-SL, Sikasil NPlus: Black RTV Silicone 10.1oz Tube, Spectrem 3 : Tremco 20oz Sausage Silicone, Henry Air Bloc : Liquid Flashing 20oz Sausage, Dymonic FC Tremco : Tremco 20oz Polyurethane Sausage, GE Elemax 5000 : Liquid Flashing 20oz Sausage, GE Sanitary 1700 10.1oz Tube : Mildew Mold Resistant, GE SCS1000 Contractors Silicone Sealant 10.1oz Tube, Pecora 890 NST 10.1oz Tube : Silicone Sealant, Pecora 890 Sausage NST : Pecora Silicone 20oz Sausage, Masterseal NP1 Caulk NS Polyurethane 10.1 OZ Tube, Rockwell SoniCrafter RK5100K Tool and Bag Only-No Blades, Crack Chaser Pearl 4 with 5/8 Threaded Arbor, ZEC Silicon Carbide Abrasive Wheel 16 Grit with 7/8 Arbor, Blue Speed Tuck Point Blade with 5/8-7/8 Ring. Country Dural 452 Gel. Contains corrosion inhibitors. The coating is then allowed to dry for 12 - 24 hours. The traditional concrete repair method is to remove the cracked and spalled concrete to a depth of 20 - 30 mm behind the reinforcing bars to fully expose the rusted material and remove the contaminated concrete from the steel. hainanese chicken rice ingredients; Select a countryland IslandsAfghanistanAlbaniaAlgeriaAndorraAngolaAnguillaAntarcticaAntigua and BarbudaArgentinaArmeniaArubaAustraliaAustriaAzerbaijanBahamasBahrainBangladeshBarbadosBelarusBelauBelgiumBelizeBeninBermudaBhutanBoliviaBonaire, Saint Eustatius and SabaBosnia and HerzegovinaBotswanaBouvet IslandBrazilBritish Indian Ocean TerritoryBritish Virgin IslandsBruneiBulgariaBurkina FasoBurundiCambodiaCameroonCanadaCape VerdeCayman IslandsCentral African RepublicChadChileChinaChristmas IslandCocos (Keeling) IslandsColombiaComorosCongo (Brazzaville)Congo (Kinshasa)Cook IslandsCosta RicaCroatiaCubaCuraaoCyprusCzech RepublicDenmarkDjiboutiDominicaDominican RepublicEcuadorEgyptEl SalvadorEquatorial GuineaEritreaEstoniaEthiopiaFalkland IslandsFaroe IslandsFijiFinlandFranceFrench GuianaFrench PolynesiaFrench Southern TerritoriesGabonGambiaGeorgiaGermanyGhanaGibraltarGreeceGreenlandGrenadaGuadeloupeGuatemalaGuernseyGuineaGuinea-BissauGuyanaHaitiHeard Island and McDonald IslandsHondurasHong KongHungaryIcelandIndiaIndonesiaIranIraqIsle of ManIsraelItalyIvory CoastJamaicaJapanJerseyJordanKazakhstanKenyaKiribatiKuwaitKyrgyzstanLaosLatviaLebanonLesothoLiberiaLibyaLiechtensteinLithuaniaLuxembourgMacao S.A.R., ChinaMacedoniaMadagascarMalawiMalaysiaMaldivesMaliMaltaMarshall IslandsMartiniqueMauritaniaMauritiusMayotteMexicoMicronesiaMoldovaMonacoMongoliaMontenegroMontserratMoroccoMozambiqueMyanmarNamibiaNauruNepalNetherlandsNetherlands AntillesNew CaledoniaNew ZealandNicaraguaNigerNigeriaNiueNorfolk IslandNorth KoreaNorwayOmanPakistanPalestinian TerritoryPanamaPapua New GuineaParaguayPeruPhilippinesPitcairnPolandPortugalQatarRepublic of IrelandReunionRomaniaRussiaRwandaSo Tom and PrncipeSaint BarthlemySaint HelenaSaint Kitts and NevisSaint LuciaSaint Martin (Dutch part)Saint Martin (French part)Saint Pierre and MiquelonSaint Vincent and the GrenadinesSan MarinoSaudi ArabiaSenegalSerbiaSeychellesSierra LeoneSingaporeSlovakiaSloveniaSolomon IslandsSomaliaSouth AfricaSouth Georgia/Sandwich IslandsSouth KoreaSouth SudanSpainSri LankaSudanSurinameSvalbard and Jan MayenSwazilandSwedenSwitzerlandSyriaTaiwanTajikistanTanzaniaThailandTimor-LesteTogoTokelauTongaTrinidad and TobagoTunisiaTurkeyTurkmenistanTurks and Caicos IslandsTuvaluUgandaUkraineUnited Arab EmiratesUnited Kingdom (UK)United States (US)UruguayUzbekistanVanuatuVaticanVenezuelaVietnamWallis and FutunaWestern SaharaWestern SamoaYemenZambiaZimbabwe, By registering, you agree to the Terms of Service and Privacy Policy .*. The procedure for anti-corrosive treatment of reinforcement is as follows: Note:All above steps should be applied in the same day and the steel allowed to air dry for 12 24 hours. The treatment is done in a covered area. Then, remove the bars out of the solution, clean it with wet waste cloth. Log in to TheConstructor to ask questions, answer peoples questions, write articles & connect with other people. When suitably designed, constructed, and maintained, reinforced concrete provides service lives of numerous decades to structures and buildings. Presently I am working with Indian Railway. Measurement and Payment Schedule of Various Items , Trends and Challenges in Structural Engineering and Construction Technology, Emerging Materials and methods in Emerging Materials and methods in Concrete Construction, Total Assistance of 550 Crore for Lucknow Metro Rail Project, 52000 crore Rail Infrastructure for Mumbai, Airports Authority of India (AAI) coming soon with Rs. Polytechnic Muzaffarpur. The reinforcements are then left in the derusting solution until all the rust is satisfactorily removed and a bright surface is obtained. Allow coating to dry 2-3 hours at 73 F, then apply a second coat at the same coverage. Cathodic protection is a proven solution to make new and existing structures last longer. 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View Item. The treated rods are Powder coating adds to the steels durability, helping the frame to withstand damages better and last longer. The chloride ion can locally de-passivate the metal and promote active metal dissolution. Concrete cover is crucial in order to protect the reinforcing steel from corrosion caused by environmental effects. Galvanic cathodic protection is one of the most commonly employed forms of cathodic protection because of its ease of use. June 15, 2021. Applicable for pipes, tanks, and large surfaces. Equivalent fluid pressure or EFP. ASTM C881 Compliant, High Modulus Epoxy Bonding Adhesive. If using a spray method, protect substrate from excessive . Category chemist salary arizona. Per Roll, Pecora 1215 Seam Sealer: 10.1 oz (300ml) Tube, GCP Perm-A-Barrier NPS: Wall Membrane (46in x 109ft), Geocel 2300: Construction Sealant 10.3 fl. Cathodic protection is one of the most effective means of protecting embedded steel bars in concrete . Maintains the beneficial pH and the passivating layer. Hello, My self Neelmani, A Civil Engineer. This slurry is immediately applied on the reinforcement surface. SURFACE PREPARATION Two Component Zinc Rich Epoxy Primer SikaTop Armatec-110 EpoCem . Cathodic protection is one of the most effective means of protecting embedded steel bars in concrete and preventing corrosion. Unsightly rust bleeding and cracking are common signs that the rebar is corroding. Corrosion-induced deterioration of reinforced concrete can be modeled in terms of three component steps: (1) time for corrosion initiation, Ti; (2) Time, subsequent to corrosion initiation, for appearance of a crack on the external concrete surface (crack propagation), (3) Time for surface cracks to progress into further damage and develop into spalls, to the point where the functional service . 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Reinforcement corrosion monitoring was conducted by exposing reinforced concrete prisms at the age of 28 days to wet-dry cycles for a total . These thermal spray coatings provide corrosion protection by excluding the environment (or electrolyte) and acting as a barrier coating . When you join you get additional benefits. MasterSeal SL2 Slope Grade : Polyurethane 3 gal pail, MasterSeal SL2 Slope Grade Polyurethane 1.5 gal, MasterSeal Self Leveling SL 2 : Polyurethane 3 gal pail, SL 2 Self Leveling MasterSeal : Polyurethane 1.5 gal pail, MasterSeal NP2 : Non-Sag Polyurethane 1.5 gal pail, NP1 Masterseal Non-Sag Polyurethane 20 oz Sausage, Cutting Tools & Hand ToolsCutting Tools & Hand Tools, Good resistance to water and chloride penetration, Can be brushed on or applied using spray gun, Can be used exterior on-grade Excellent bonding bridge for cement or epoxy based repair mortars, High strength, unaffected by moisture when cured, Suitable in concrete repair as corrosion protection for reinforcement, Suitable as a bonding primer on mortar, steel, and on placing fresh, plastic concrete to existing hardened concrete, Protection to reinforcing steel in areas of thin concrete cover. Cathodic protection is often used to protect steel from corrosion. 2. Galvanic Technology. Many structures are in aggressive environments, of critical importance and may be irreplaceable, so repair and protection are vital. Join now! (ii) Carbonation general breakdown of passivity by neutralization of steel reinforcement of concrete by reaction with atmospheric carbon dioxide. Zinc anodes are desirable because they are more susceptible to corrosion than steel. Under the action of static electricity, the powder is uniformly adsorbed on the surface of the workpiece in the form of powder. This slurry is immediately applied on the reinforcement surface. Clean the surface of steel bars with abrasive blast cleaning till near white surface is obtained. Many structures are in aggressive environments, of critical importance and may be irreplaceable, so repair and protection are vital. BONDING PRIMER AND REINFORCEMENT CORROSION PROTECTION Sika Armatec-110 EpoCem is a cementitious epoxy resin compensated 3-component, solvent-free, coating material with corrosion inhibitor, used as bonding primer and reinforcement corrosion protection. In this study reinforcement corrosion protection of self-curing concrete (SC) mixtures incorporating two water-soluble polymers; polyethylene glycol (PEG) and polyacrylamide (PAM) have been evaluated. Treatment of reinforcements with proper materials and agents one of the defensive layers against corrosion attacks in aggressive environments. The mechanical properties like tensile strength, elongation This forms within the pores of the concrete, here it reacts with the alkaline calcium hydroxide forming insoluble calcium carbonate. Advantages. Its feasibility for hindering the corrosion of steel rebar by means of lifting the threshold value of [Cl ]/[OH ] is discussed.Precisely controlled release behavior enables corrosion protection in the case of depassivation. Reinforced steel in concrete cracking . Reinforcement Corrosion Protection and Bonding Primer SikaTop Armatec-110 EpoCem is a cementitious epoxy resin compensated 3-component coating material with corrosion inhibitor, used as bonding primer and reinforcement corrosion protection. One Component Epoxy Zinc Rich Primer Sika Zinc Rich-2. Additional measures to mitigate corrosion of steel reinforcement in concrete include the use of corrosion inhibiting admixtures, coating of reinforcement (for example, with an epoxy resin), and use of sealers and membranes on the concrete surface. The powder may be a thermoplastic or a thermoset polymer. Metallic coatings are applied in cases where the substrate is coated with a more noble metal, as with copper on steel. This can inhibit corrosion when passivation would otherwise have been lost as a result of chloride ingress or carbonation. Corrosion-inhibiting admixture protection. More details Converts the corrosion rust to a hard, inert shell. Corrosion-inhibiting admixtures increase the passivation of reinforcement and other embedded steel. This can be done by applying a protective layer on the reinforcement, by using corrosion inhibitors or by cathodic protection. Powder coating uses a simple process to obtain powder-coated stainless steel products in different colors, and different powder-coating colors can be used to change the feel of stainless-steel surface. The powder may be applied to either a hot or cold bar. All Rights Reserved. This paper discusses mechanism of . Cementitious corrosion protection and bonding agent. 3,000cr Project, The reinforcement rods is immersed in the pickling tank, containing. b) Fusion bonded Epoxy coating (as per IS:13620). 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The protection of reinforcement against corrosion can be done by any of the following method: a) Anti-corrosive treatment using acid / alkali / other agents based on CECRI technology (as per IS: 9077). Corrosion and Protection of Reinforced Concrete. The coating thickness of the autodeposition film is time and temperature dependent. Uniform coating thickness. effect of corrosion on steel reinforcementkaty trail: st charles to machens. What is cover block ? They are added to concrete during production and are referred to as integral corrosion-inhibitors. While the steel is in the kettle, the iron in the steel reacts with the molten zinc to form a tightly-bonded alloy coating that provides superior corrosion protection to steel. Take special care to properly coat the underside of the totally exposed steel. How to Protect Reinforcement from Corrosion ? thickness of coating is 0.3 0.1 mm. The jelly shall be allowed to react with the rod surface for 45-60 minutes and the jelly removed by means of rinsing in water or wet cloth. Menu. Metal Adhesives for Aluminium, Steel and Mixed Materials, Sika Chemical Anchoring Adhesive Volume Calculator App. The fluid pressure of water is 62.4 lb/sq.ft. It is usually used to create a hard finish that is tougher than conventional paint. Durability indices; electrical resistivity, chloride ion penetrability and water permeability, were evaluated and compared to that of control . An unbroken 40 microns thick coating shall be capable of providing 'active' galvanic protection. Apply the freshly mixed patching mortar or concrete wet on wet, or up to the maximum recommended open time, onto the bonding slurry. How to Choose Tiles for Construction of Pools? Main uses It is a hydraulic protection against corrosion as well as a bond between the reinforcement and the concrete. Corrosion inhibitor solution is then applied on the reinforcement surface by brushing/dipping. Sika has a variety of anti-corrosion agents that can prevent this process from happening. The maximum period between cleaning completion and start of applying coat is eight hours. Malaysia. Take special care to properly coat the underside of the totally exposed steel. Visible signs of rebar corrosion include staining, cracking, and spalling. Corrosion sealing solution is applied on the reinforcement surface. Therefore, they become the anode in the corrosion cell and . If the carbonated front penetrates sufficiently deeply into the concrete to intersect with the concrete reinforcement interface, protection is lost and, since both oxygen and moisture are available, the steel is likely to corrode. Electrocoating is a process by which electrically charged particles are deposited out of a water suspension to coat a conductive part. Sika Armatec 110 EpoCem is a cementitious epoxy resin compensated 3-component, solvent-free, coating material with corrosion inhibitor, used as bonding primer and reinforcement corrosion protection. almompos aridaias paok b. how to prevent corrosion of steel in concrete . L&T Realty and CLINT to develop six million sq ft office Cement companies to attempt price hike of Rs 10-30/bag, PM Modi to unveil 108-foot-tall Statue of Prosperity in Bengaluru, Addressing carbon dioxide emissions by capture & trapping mechanisms, Water Management System Potential and Challenges, Carbonation- general breakdown of passivity by neutralization of the concrete, Chloride attack- localized breakdown of the passive film on the steel by chloride ions, contributing factors leading to reinforcement corrosion, predominantly by reaction with atmospheric carbon dioxide, PACKAGE-II Upgradation and Maintenance of High Traffic Density Corridors in Bengaluru, Ultra Sleek T-Series truck launched by Tata Motors @Rs 13.99 lakh, Ready Mix Concrete; Economic & qualitative growth, Advantages and applications of Neoflor Ultra Terrazzo, Prefab LGSF Coastal Buildings Stratus Steel, Retaining wall design and its types used on construction, Different types of Pile foundation and their use in construction, Fiber-reinforced concrete Advantages, types and applications, Different types of water management methods, Steel corrosion types and structural effects, Steel corrosion and its protection measures. Many structures are in aggressive environments, of critical importance and may be irreplaceable, so repair and protection are vital. as per IS-1786. Stops and prevents corrosion and concrete degradation. Average Kg of powder shall be mixed with 400Liters of water. The coated Zinc is common and relatively cheaper. Purges and stabilizes contaminants in the concrete. Typically, to prepare 100 litres of Derusting Solution, mix 5 liters of Inhibitor Derusting solution, 50 liters of Hydrochloric acid and 50 liters of water in the pickling tank (as per manufacturers instruction). However, the reaction is never complete and some active soluble chloride always remains in equilibrium in the aqueous phase in the concrete. 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70410 5G : Peda-Gard Aromatic Urethane, Dryvit PMR Finishes : Proven Mildew Resistant finishes, Dryvit StucCoat Finishes : Acrylic Copolymer Finish, Dryvit HDP Finishes : Hydrophobic Properties Finishes, Dryvit Ferros : Decorative Finish and Primer, Dryvit E Finishes : Dirt Pickup Resistance Lightweight Finish, Dryvit DPR Finishes : Dirt Pickup Resistance Finishes, Dryvit Reinforcing Meshes : Glass Fiber Mesh, Dryvit Weatherprime : Color-Tinted Acrylic Primer, Dryvit SealClear : Clear Acrylic Primer-Sealer, Dryvit Primer With Sand : Acrylic-Based Primer, Dryvit Flashing Tape 9: Surface Conditioner, Dryvit Grid Tape 4 X 300: Selfhealing Construction Grade Tape, Dryvit Color Prime One Gallon: Pigmented Acrylic Primer, Dryvit ShieldIt : 2-Pass Base Coat Impact Resistant, Dryvit Backstop DMS : Air Barrier and Adhesive, Dryvit Backstop Flash & Fill : Joint Filler, Dryvit Backstop NT-VB : Class I Vapor Retarder, Dryvit Demandit Advantage : Acrylic Architectural Coating, Dryvit Weathercoat : 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Coat, Dryvit Primus 5G Pail: Acrylic Modified Adhesive/Base, Dryvit Genesis DMS : Sprayable Dry Mix Adhesive, Dryvit Genesis DM : Dry Mix Fiber-Reinforced Adhesive, Dryvit Dryflex 5G Pail : Acrylic Co-Polymer Material, Dryvit AP Adhesive 29oz : Urethane-Based Adhesive, Dryvit Rapidry DM 35-50 : Fast Setting Adhesive/Base coat, Prosoco Defacer Eraser : Removable Anti-Graffiti Shield, Spectrem Simple Seal : Preformed Silicone Extrusion, Willseal Seismic : Open Micro-Cell Polyurethane Foam, Willseal FR-V : Sound-Attenuating Expansion Joint, Willseal Color Coreseal-V : Primary Vertical Seal, Willseal 600 : Self-Expanding Resistant Joint, Willseal 150 : Pre-Compressed Impregnated Foam Seal, Willseal FR-H : Horizontal Expansion Seal, Willseal Color Coreseal-H : Closed Cell Foam, Willseal Coreseal : Closed Cell Foam Flexible Seal, Emcrete : High-Impact Elastomeric Concrete 5 Gallon, Emseal Thermaflex : Parking Deck Expansion Joint, Emseal DSF System : Compliant Joint Sealant, Emseal Chemseal : Chemical-Resistant Joint, Emseal Submerseal : Submerged Expansion Joint, Emseal QuietJoint : Non Moving Joints And Gaps, Emseal QuickCover : Rapid Expansion Joint Cover, Emseal Twinsert Series : Configurable Interior Joints, Emseal 20H System : Water-Based Asphalt Emulsion, Emseal DSM-DS : Fills Both Sides Of Joints, Emseal BG System : Below Grade Expansion Joint, Emshield TFR-RWS : Fire-Rated Tunnel Joint, Emseal Backerseal : Joint Sealant For Building Walls, Emshield SecuritySeal SSW2 : Joint Resisting Vandalism, Emshield WFR3 : Interior/Exterior Wall Expansion Joint, Emshield WFR1 : Interior And Exterior Wall Expansion Joint, Emseal Colorseal-On-A-Reel : Building Joint Sealant, Emseal Seismic ColorSeal-DS : Curtainwall Expansion Joint, Emseal Roof Joint : Sealing Expansion Joints In Roofs, Emshield DFR-FP : Sound-Dampened Expansion Joint, Emshield SJS-FP-FR2 : Large Gap Expansion Joint, Emseal SJS-FP : Seismic Plaza Deck Expansion Joint, Emshield SecuritySeal SSF3 : Joint Resisting Vandalism, Emshield SecuritySeal SSF2 : Vandalism Resistant Joint, Emseal Horizontal Colorseal : Non Trafficked Joint, Emseal SJS-FR : Fire Resistant Seismic Joint System, Emshield DFR3 : Structural Expansion Joints, Emseal Seismic Colorseal : High Movement Wall Joints, Emshield WFR2 : Wall, Fire-Rated Expansion Joint, Emshield DFR2 : Fire and Water Resistant Expansion Joint, DSM System : Emseal Expansion Joint Decks & Stadiums, 3/8 Backer Rod by the foot : 3/8 Soft Rod, 2 Backer Rod by the foot 6 foot stick: 2, Dow PB4 Styrofoam Scoreboard 4x50 : Insulation Board, 2 Inch Dow Styrofoam Board : Polystyrene Insulation Board, Kingspan Greenguard 1x4x8 : Type IV Wall System barrier, Spec Chem Super Specplug : Hydraulic Cement Mortar, Tremco THC 901 : 1.5 Gal.
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