Call 0208 604 8997 for an instant quote. PPF can optimize the pore size distribution of concrete. No Nonsense Floor-Levelling Compound 20kg (453HU) (14) compare. Calculator. TDP 20mm Fibre Additives for Concrete and Screed. SELCO Commission Helpful Documents and Resources. Retanol Xtreme Screed. Lay and tamp the screed level, then float to appropriate finish. Location. Improved flexural strength/flexural fatigue resistance. Each fibre is chemically inert, with a high tensile strength, making them strong and hard-wearing. Screeds are used to produce a level floor in foot. So this is how i make my floor screed a 4 to 1 mix with little water ,mixing the floor screed slow and not over mixing the sand and cement will keep it at a. Install Celotex GA 4000 floor boards onto the slab, making sure that all joints are tightly butted. The Siteworx Concrete And Screed Fibres 900g White are made of 100% polypropylene. Pumpable pre-mixed fiber reinforced floor screed weberfloor 620 PMB. Exterior foundation WEEP (sill) screed The FHA-7 is for hard-coat stucco, thin-veneer stone, and 1-coat stucco over foam applications. A curing agent for epoxy resins, including 1-amino-3-aminomethyl-3,5,5-trimethylcyclohexane and N-benzyl-1,2-ethandiamine in an amount for the ratio of the number of its amine hydrogens to be in the range of 90/10 to 20/80. PERENCANAAN DED No : 01/PDC/VII/2018 GEDUNG LAW LEARNING CENTER DAFTAR ANALISA HARGA Tanggal : Juli 2018 FAKULTAS HUKUM UNIVERSITAS GADJAH MADA Lokasi : Fakultas Hukum UGM TAHUN 2018 SATUAN PEKERJAAN Owner : UGM A PEKERJAAN PERSIAPAN 1 A. Cemscreed is a cement based binder for producing an early drying high strength floor screed when mixed with graded aggregates and water. Services. Fine monofilament polypropylene fibre material, which can be added to cementitious mixes to help prevent shrinking and cracking during the curing process. TDP 20mm Fibre Additives for Concrete and Screed are designed to minimize shrinkage and cracking. Find everything you need to make efficient and effective repairs with this handy glass fibre resin repair kit. New. If you go for a screed thickness of seven cm, you should provide 140 kg per m². Can be laid at depths from 3mm up to 60mm in one application. 75m2 at 3mm, 1. by Mapei Product Code: 21200. SELCO has awesome customer service in all departments. • Meets and Exceeds, A108. Below are some key facts about the levels of service available. Rugby Premium Cement (In Paper Bag) 25kg. Suppliers of high quality ready mix concrete & floor screed with a range of products for large construction projects to private driveway applications. #2. Some old screeds can indeed contain asbestos. SAVE even more with a Double Play or Triple Play Discount! Double Play - Choose ANY Live TV package with any internet package and save $5. As the Distributor of Choice, we take pride in providing the highest level of service and support. Screed reinforcement is a common practice adopted to improve the strength of screed constructions, curb shrinkage and cracking and impart better impact resistance to screeds. This takes around 7 days and you need to cover the screed with PVC sheeting. Rob […]The trial was a night project in late June with a haul time of almost one hour to the jobsite. 5 proportions of cement to sand and the water/cement ratio kept at below 0. Rapid setting and quick-drying properties ensure the floor can be. *A one-time install fee of $35 will apply. g. Create the perfect surface for tiles or soft coverings with floor levelling compounds designed to make. Website Cover Image. APPLI ATIONS Oscrete 12mm HP fibre is typically used at low addition levels to prevent cracking and improve the performance of concrete, flooring, renders and screeds. and 7/8 in. 21m2 1. Cast-in-situ structural screed with a gap joint [26]. The fibres then take over the loads and the stress capacity of the unit actually increases significantly. 3. Concrete Fibres 18mm Polypropylene Screed PP Fibres 150g - 1000g Bags. For use on new or existing concrete, screeds, stone, ceramic tiles, old and new timber floors, parquet and plywood. 2,940. 4R-18 “Design Guide for Fiber-Reinforced Concrete” 5. Job Postings. Due to the technological development of additives such. The addition of these to the screed mix will reduce plastic shrinkage cracking and increase impact & abrasion resistance. Tarmac SBR Polymer Levelling Screed should be used in accordance with the recommendations of Codes of Practice BS 8000: Part 0/9 and BS 8204:Part 1. SITE PRACTICE All Premier Mortars screeds should be used in accordance with the recommendations in the Code of Practice in BS EN 8204. Starter Strip / Casing Bead with Drip. TDP’s fibres for concrete and screed flooring and plaster and render are cut to size to meet the demands of each application unlike alternative materials available where just one size is offered. 2m². Enterprise Fiber offers businesses the speed they need at a price they can afford. With corporate headquarters in Reno, Nevada, our sales force comprises direct and manufacturer representatives and authorized distributors throughout North America and Mexico. Lime mix for internal plastering - Three parts sharp sand mixed with one part lime putty. Screed (20 - 75 mm +) A flowing cementitious screed incorporating proprietary additives and graded sand to produce an early drying, high strength screed. We are here to help - [email protected]% Evotherm, and also included 10% recycled asphalt pavement and 6. EPS grade R2 or concrete blocks with a compressive strength ≥ 7. Triple Play - Choose any Live TV package along with any internet and phone packages, and save $20. It is manufactured to the latest standards and is resistance welded at every intersection. With TDP Concrete Fibres and Screed Fibres you can achieve a high quality finish with an excellent surface hardness improving resistance to wear and tear. No visible metal is seen below the stucco line. 0800 242 5589 - - [email protected] Drying, High Build, Fibre Reinforced Levelling and Smoothing Compound. 5kg Steel Fibres Both of these are approved for use on structural toppings to beam & block house floors. Any sea-dredged sand containing a large amount of flat shell. Create a smooth and even surface with floor levelling compounds from brands such as Sealocrete and Bostik, saving you time dealing with stubborn cracks and dips in uneven floors. 2. EN 14651 RESIDUAL STRENGTH TESTEngineered screeds have higher flexural strength which makes them more resistive to cracking even if the substrate is of poor quality or has high degrees of movement. Use your steel trowel and work the compound in sections, following up with a spiked roller to make sure there aren’t any air bubbles. 5% (measured using the carbide method). 29. Find everything you need to make efficient and effective repairs with this handy glass fibre resin repair kit. p0056_fiber_universal_se_dop. cementitious screeds, calcium sulphate screeds, polymer modified screeds and granolithic screeds. Any Internet Package with Digital Cable. History of SELCO - The first 100 years; Pay Bills; More. The screed is tamped using a Screed Dapple Bar twice; once fairly vigorously to get any air bubbles out of the screed and the second time more gently without leaving the surface to get a smooth finish. The consistency is right if the screed holds together without dripping water. Environmental hazards Not applicable 14. This can haveAccording to the American Concrete Institute CT-18, fiber-reinforced concrete is a concrete mixture that is reinforced with dispersed, randomly orientated fibers. 14%. Apply With Hand Or Pump. ©2023 SELCO Community Credit Union; Get Our Digital Banking App. 5 ratio of cement to sharp sand. CABLE connection; Internet speeds: Up to 300 Mbps; Price: $74. Transport hazard class(es) Not applicable Hazard label(s) Not applicable Sub Risk: Not. Reduced manual handling and placement time (no steel fixing) Increased crack control. Bostik Floor Screed Fiber Universal 20/05/2015 Internal No: P0056 7 / 9. Typically, a cementitious material made from a 1:3 or 1:4. Weave Type: MICRON MESH. FCS 500 12mm Screeding 12mm Fibres. METALS. Figure 3 shows a gap which is provided to allow the slip to occur in both directions. Add filler for between 3mm and 15mm thickness. Packing group Not applicable 14. 1. Reduced labour, construction times and costs. Screed and fibres with strength classes. Award-winning Isocrete K-Screed combines consistency, high strength, rapid installation and excellent moisture control with compatibility to a number of bolt-on subfloor systems including Our experienced team ensure we achieve the exact order requirements to make sure to get what concrete and screed you want & delivered when you need it. Using electronic techniques, this concrete reinforcing mesh has been welded to BS 4483:2005 specifications. Vitcas is a manufacturer of refractories, heat resistant products and high temperature insulation materials which follows the tradition of refractory and heat resistant manufacturing in Bristol, UK, since 1882. Currently Aggregate Industries have the following fibre options available for this particular application; BBA Certified/NHBC Approved 3. Lay and tamp the screed level, then float to appropriate finish. SAVE $20/MONTH. Lay and tamp the screed level, then float to appropriate finish. After that, ordinary fibre reinforcement is no longer useful, not even as reinforcement. High performance flowing screed weberfloor 630 TSC. If you have questions or issues, our technicians have remote access to real-time WiFi signal strength, channel capacity, network performance, and connected devices to solve your WiFi problems. Screed is applied to a concrete slab either directly or on top of damp proofing membrane and/or insulation layers . Marshalls Retanol screed is compatible with all normal building materials. Hi All, My new build will have a beam and block floor. info@speed-screed. 8, 1. Flowcrete’s Isocrete K-Screed has been a market leader in floor screeds since 1969, known in the industry for delivering ‘the level best in floor screeds’. Selected paddle and screed must be added to Trolley for discount to apply. By Phone - Call 508-841-8500 and press 1 to pay your bill. C30-35. Exterior foundation WEEP (sill) screed The FHA-7 is for hard-coat stucco, thin-veneer stone, and 1-coat stucco over foam applications. “3-Dimensional” reinforcement. Available With 1/2" Weep Holes or No Holes. 45–0. 49 Ex VAT £6. #3. SELCO offers internet in Massachusetts Cable internet access is available to an estimated 15,896 homes. For base coats add animal hair or screed fibres (I use TDP 20mm fibres). Easy to handle and transport. m. Advantages. These concrete and screed fibres are made from 20mm polypropylene and designed to minimise shrinkage and cracking in concrete and screed mixes. Looking for a builders’ merchant in Mitcham? Looking for a timber merchant or a builders’ merchant in Mitcham? Located on Mitcham Industrial Estate on the A216 Streatham Road, our Selco Mitcham branch is open 7 days a week, with all the building materials and timber supplies you’d expect from your local builders’ merchants. ScreedHomeProductsScreedSelf levelling, rapid drying, traditional, standard and polymer modified floor screeds. There are many proprietary screeds on the market and information about these can be obtained from the manufacturer. Get a Trade Card. Jewson carry a wide range of key building materials for every step of the construction process. When new workshop gets built this year, will be using them again in concrete floor. 2. Get all the flooring supplies you need at Selco. Ordinary fibre reinforcement, on the other hand, only reduces the risk of tears and cracks for the first 28 days. Sufficient Thickness: Screed thickness is according to the kind of screed planned to put in, the thickness of the floor & its type, and additionally the intensity of estimated traffic. D49 (or reinforced throughout with Isocrete PP Fibres with a strip of steel fabric to BS4483 ref. Get all the flooring supplies you need. D49 Minimum Thickness Standard 40mm Heavy Duty 40mm (60mm for heavy traffic) FLOATING Insulation board or void formerIsocrete K-Screed reinforced throughout with steel fabric to BS4483 ref. See full list on selcobw. If additional screed fibres are specified, add 1kg per cubic metre of screed. Fiber is available within 13. In fact anything which could benefit from insulation or extra strength from the fibres may have it included (prior to the 1980 in any case)Wickes self-levelling floor screed is a ready-mixed product designed to be applied on top of a concrete substrate. SELCO proposed a five-year renewal term for the cable franchise agreement instead of a 10-year. We can supply you with different suspended ceiling systems such as exposed grid systems, concealed grid systems and MF ceiling. A floor screed is usually a cementitious material made from a 1:3 or 1:4. A versatile product, Dunlop LX-360 Fibre Leveller is a fibre-reinforced smoothing compound. Model Number: WS8HDGMEN10 Menards ® SKU: 1831212. SELCO Commercial high-speed Internet service is a direct-connect, online all the time service provided via a cable modem. Screed is a thinner layer of concrete material, which is a higher quality for a smoother finish with smaller aggregates. Apply as a bonded, unbonded or floating screed. 79 Ex VAT £42. Smarta Fördelar. Available in Aluminum (A), Copper (C), Galvanized Steel (GS), Bonderized (BN), Galvalume® (GVM), Stainless Steel (SS) or Zinc (Z) A traditional weep. com I'm Andy Parkin, Managing Director of the Multi-Award-Winning Speed Screed. D49 Wrapping Mesh is CARES approved to comply with the requirements of BS4483:2005. If you're looking for general-purpose cement, our 25kg cement bags can be used in concrete, mortars, renders and screeds. D49 across day joints) to be supplied and laid on a sound and clean proprietary damp proof membrane. • Ideal for pulling to flatness. 10Isocrete PP Fibres may be used in any cement based screed at a dosage of 75g per 25kg cement, 150g per 50kg cement or 500g per tonne of ready mixed screed (i. There are three main types of screeds: • Semi-dry screed – Often known as the ‘traditional’, semi-dry screed was the most popular specified screed up until the last decade. The paper presents application of cellulose fibres in a pulp form from waste paper to mortar or plaster. Provide reinforcement either with D49 or D98 mesh over the pipes, as per BS 4483 or Polypropylene fibres with steel reinforcement at day joints. Reinforced screed uses polypropylene, glass fibres or a metal mesh for extra strength. Applications: Freshly-laid mineral subfloors; Cement screed; Calcium. Screed Definition: “Screed is a combination of sharp sand and cement which is placed on top of a concrete base to provide a strong, stable, smooth surface on which a final floor layer can be placed”. At Selco, we know the impact that good flooring can make, which is why we ensure there is something to complement every project. Speed Screed Limited 0800 242 5589 is a great material used in the right quantities in the right place - most often on exterior work or even over dampness. General Applications Underfloor heating - (25 - 30Mpa)Screed Usage Calculator Screed Dosage, Sand and Cement Mix calculator. Product; Fiberförstärkt golvspackel för tjocka skikt . These fibres also maximise tensile strength and improve impact and abrasion resistance. Rawlplug R-KER II Vinylester Resin 300ml. Hypo sludge has to be added at a dosage of 25%, 50% and recron. 5m2 at 1mm thickness 1. Fibre-reinforced self-levelling compound. Quick Links. You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long. The influence of recycled PET fibres on the reinforced concrete’s early-age performance and mechanical characteristics has also been investigated. Whilst damping down of. The most popular screed types include cement screed, anhydrite screed (also calcium sulphate screed), mastic asphalt screed and dry screed. £5. Temperatures behind the screed got down to 230 F and drain-down tests were run multiples times and passed. Bostik Floor Screed Fiber Universal 20/05/2015 Internal No: P0056 7 / 9. Cost-effective – compares favourably with the use of metal mesh. Liquid Screed is designed as a flood coat over concrete slabs, beam & block floors, in-situ concrete floors, precast concrete floors and engineered timber floors. Call: 0330 223 2364 ; Email: estimating@. 99. 3. Our products include fire cement, fire bricks, refractory setting cements/mortars, plastic mouldables refractories, zircon refractory. Install flashing at the bottom edge of the exterior above-grade wall and overlap with weather-resistant barrier. It contains short discrete fibers that are uniformly distributed and randomly oriented. Reduced manual handling and placement time (no steel fixing) Increased crack control. So, if there’s no joint, there may be the possibility of thermal cracking. Reduced overall construction cost over steel. TDP Concrete Fibres and Screed Fibres are made up of high tensile strength, polypropylene fibres, which disperse quickly and evenly when added into a mix of. £12. Bob's hat shows how hot it was today; over 30C again. 4 to replicate commonly used screed. Even used them in filler when filling deep/large holes & mortar mix for benching/haunching,etc. We are committed to providing the highest quality mesh. If you have any add mixtures to go in they should be add at this stage with the fibres and water. 4. CERESIT® CP 30, used for quick repairs of flat and pitched roofs as well as for permanent waterproofing of flat roofs as a finishing coat. The use of TDP Fibres in a concrete or screed mix is a proven method for reducing shrinkage and cracking in flooring and foundation bases. Continue until the entire floor is covered, smoothed, and rollered. H003164. Region. Being inert and non-chemical,. 24-48 hours. 4 to replicate commonly used screed. Concrete and. 5 proportions of cement to sand and the water/cement ratio kept at below 0. Step 6 – Apply First Coat of Render to Wall. The screed is designed to provide a smooth, level surface that is easy to maintain and walk on. Smooths up to 5mm thickness neat, or 25mm thickness when bulked out. Absorbent surfaces – Concrete and sand/cement screeds must be primed with Setcrete™ Acrylic Primer diluted in the ratio of 1 part primer to 7 parts water; The product can be applied to depths between 5mm and 15mm, but can be filled with 3mm pea gravel to achieve depths of up to 50mmUsing fibres in the concrete mix reduces the requirement to use steel mesh and in most cases mesh is not required. 20mm Fibre Additives For Concrete & Screed 100g. 4. As a result, the durability of concrete is significantly enhanced since PPF can block the penetration of. Beyond 40mm, 0. co. Today I'm here to… Mixed in a 90litre standard cement mixer, the screed material comprised 1:3. Siniat Weather Defence Sheathing Board. 00 every month. Size: ALL SIZE CAN BE MANUFACTURED. Thanks to its innovative formulation, it can be used over timber floors, electric undertile heating cables and for smoothing over cement:sand screeds with existing underfloor heating. Tech Manufacturing and a laser screed donated by Somero Enterprises. Not available for delivery. Wire Diameter: ANY SIZE. Shoutout to Selco Builders Warehouse who have become one of our new Grindermate stockists! They're kicking things off with a great Real Deal while stocks last…The presence of fibres helps to achieve a more cohesive screed material helping control cracking caused by intrinsic stresses. The fibres are actually added to the water, mixed well and then both added to the mix. Improved toughness. The fibres were introduced into the dry mix (cement and sand) at a dosage level of approximately 900g/ m3 of screed. Cement Render/ Screeds New renders and screeds shall be finished with a wood float to the required surface regularity. A persistent rise in the costs of construction materials has led to the need to address this problem in line with the Sustainable Development Goals. Starter Strip with Weep Holes in Back. Price per m3. 60 / each inc VAT. Concrete and Screed Fibres 100g Bags. Product Details. Marshalls is the UK’s leading commercial paving supplier – delivering high quality products and solutions to the most groundbreaking projects and developments across the country. Lancashire. ADD. You Save $1. Regardless of the type, the process is completed by the screed curing and a wearing surface floor finish, then installed to complete the floor zone. S. Our laminate flooring is a cost-effective option offering a natural wood effect without the heavy price tag. Whilst Bostik's Ultra Strong Cemoplay is ready to stop water or cold in their tracks making it suitable for exterior use as an underlay. Minimises cracking & shrinkage in screeds and concrete. Replacement of steel mesh in ground-supported concrete slabs. It is used to cover structural flooring concrete, and can be applied to either a. Ultraplan Renovation Screed 3240 25kg. With TDP Concrete Fibres and Screed Fibres you can achieve a high quality finish with an excellent surface hardness improving resistance to wear and tear. Generally, they require sanding and have a moisture content of less than 0. Brand: J. g. 24. e. Finally, apply a cement or sand screed over the vapour control layer and the boards (minimally 65mm thick). £13. At Selco, we stock a vast selection of floor protectors designed to keep your flooring and carpets safe from spillages and damage. 2. £12. These concrete and screed fibres are made from 20mm polypropylene and designed to minimise shrinkage and cracking in concrete and screed mixes. Concrete and Screed Fibres 900g Bags. This product is chemically inert. A typical dosage would be 900 grams of fibre per cubic metre of screed. Dry ready mix screed fiber reinforced weberfloor 601 FFS. It could be a plasticiser, it could be something to make the screed gain strength. After screed has set or cured, the surface will be ready to have the final layer added to complete the concrete floor. You can use it to fix damaged spots in materials like brick, metal. The fibres were introduced into the dry mix (cement and sand) at a dosage level of approximately 900g/ m3 of screed. BSBG Lead Architectural Technologist, Richard Griffiths (CIAT), presents this handy guide to floor screeds for architects and technologists. 8m² Coat Depth: 50mm Walkable in 4-6. It may be applied onto either a solid in-situ concrete ground floor slab or. By adding gravel and cement to sand you make. Early Strength, a high early strength screed, and Readyscreed® Reinforced with added fibres for extra reinforcement. For SELCO to connect devices, all devices must be present at. Screed is applied to a concrete slab either directly or on top of damp proofing membrane and/or insulation layers . 2mm lengths. Use a firm hand to. Thanks to its innovative formulation, it can be used over timber floors, electric undertile heating cables and for smoothing over cement:sand screeds with existing underfloor heating. If it's solid wood flooring you're looking for, we. Our coarse sand is sourced from a local quarry and may vary in colour, size and texture. Screed & Floor Levelling. One major difference between semi dry and self-levelling screeds is the thickness. PRODUCT CONFORMITY Tarmac ready-to-use cement sand factory produced screed materials conform to the requirements of BS EN 13813. 59 Inc VAT. With its crack-bridging properties. Screed. Box as listed on your bill. 1B. Buy from 60+ waterproof roof paints, sealants and coloured coatings for every kind of roof, in all weathers! Add up to 25 years' long lasting protection. GOLD. Dial & Deliver. If you go for a screed thickness of six cm, you need 120 kg of screed per m². With our technical expertise and unrivalled depth of knowledge, we’re helping contractors and designers literally change the urban landscape of the UK. Improved impact and abrasion resistance. Buy high-quality aggregate & cement, insulation, flooring and more. The screed on this paver spreads and smooths the asphalt. Link. Explore levelling compound options here and set the best foundation for your. UN proper shipping name Not applicable 14. At this point they are then suitable to receive moisture sensitive floor finishes such as vinyl etc. 74% of SELCO's coverage footprint, and the average speed for fiber is 300 Mbps download and 300 Mbps upload. 3. Rawlplug R-KEM-II Polyester Resin 175ml. 29 May 2011. Coverage: 6m². This screed volume calculator will work out the approximate quantity of screed that you would need to order based on the measurements that you supply. Each large bag contains 11 mini bags - sufficient for 11 barrow mixes. Four different vegetal-dried fibers (hemp, flax, miscanthus, and. • Fiber Reinforced Polymer-Modified Cement Screed. The figures for Kappafloat are for viewing the glass from the coated side, i. The K-Form Concrete Formwork System offers a revolutionary plastic shuttering system & Ftestscreed rails that save the building contractor time and money with less labour. Additives & plasticisers are substances used to alter the physical properties of a material to either increase its plasticity or decrease its viscosity by reducing the attraction between polymer chains, making them more flexible. Alternatively, fill in our online contact form to make an enquiry. Once the compound is ready, pour it onto the floor from the farthermost part of the room and work backwards. Approximately 1mm per day, up to 40mm. Coat Depth: 10mm. TDP’s Concrete and Screed Fibres are available in 20mm lengths while the company’s Plaster and Render Fibres are cut into 2. King Concrete Croydon provide same/next day concrete delivery across London, Surrey & Kent from our Croydon depot. Our Wales concrete and screed team is fully qualified and experienced in their role to provide the best ready mix concrete delivery service possible. 3. Being a lightweight insulator it allows to insulate thermally without. A unbonded screed floor is where a screed has been installed over the top of the concrete slab without being stuck down with adhesive. 5mm per day. Offering a wide range of bricks, plasterboard, concrete, building blocks, roofing, sealants, adhesives and more with free local delivery. • Suitable for bonded, unbonded and floating screeds. Add approx 1 handful of fibres to each mix made in the cement mixer. It can be applied to both absorbent and non-absorbent interior floor surfaces including. Fracture behaviours of synthetic fibre-reinforced concrete. m. Aluminum screeds are often used where precision is needed, as they provide a. This deep fill levelling compound has added fibres for increased strength and flexibility, and is suitable for preparing interior floors in dry areas prior to laying LVT, vinyl sheet, carpet, natural stone, porcelain and ceramic tiles. Add approx 1 handful of. An unbonded Cemfloor Screed would usually require a minimum of 30mm thickness. ARDEX manufacture a range of award-winning latex-based and water-based self levelling & smoothing compounds for internal and external use. Improved flexural strength/flexural fatigue resistance. K-Form is a 100% recycled PVC formwork and shuttering system used in the construction industry for Screed Rail, Concrete Slab Forming work & Concrete Paving / Forming. Lafarge Gyvlon liquid Screed. Ideal for use in concrete floor screeds, paths, driveways and garage/shed bases. The Sika®-1 Pre-Bagged Structural Waterproofing System has been used to control water ingress on new build, and repair and refurbishment projects worldwide. Manufacture The Readyscreed® range is manufactured at specialist. But as we mentioned, the screed won’t move again by itself, it could be that the building moves. Stainless Steel Micron Wire Mesh for Industrial, Material Grade: SS 304 316 310.