Amandus, H. , ltd. Fiber Paper 1/32in Thick 24 x 24in Sheet. It’s applications include in fireplaces, stoves, heaters, boilers, vessels, tanks, or wood-fired ovens. A hydrated Magnesium Aluminium Silicate, it is lightweight, inorganic (incombustible), compressible, highly absorbent and non-reactive and is used in thousands of applications including potting soils and grow mixes. vermiculite (2to4mm) / (4to7mm), Packaging Size: 10 Kg. Horticultural Vermiculite Viagrow Vermiculite is a natural soil amendment that promotes moisture retention and aeration in potting mixes and delivers vital elements to the plant roots resulting in better root development, growth rates and yields. I agree the board can be placed directly on the floor of the kiln. . Regardless, whenever generating dust, work in a well-ventilated area and wear a NIOSH-approved respirator. VITCAS Pompeii-100 Wood Fired Pizza Oven. Vermiculite Board 40in x 24in x 1in Truck Shipments Only. It is installed by pouring it into the desired location. Get free shipping on qualified Vermiculite Fireplace Accessories products or Buy Online Pick Up in Store today in the Heating, Venting & Cooling Department. Asbestos Safety Program. The product is a high-density roofing board designed for lowslope single-ply, as well as traditional roof system applications. Table 3. 5, 0. It has the properties of heat insulation, frozen-proof, fire-proof, water absorption, and sound absorption, etc. Vermiculite-based insulation shapes can be used in lower temperature metal-melting-processing industries; vermiculite can be used in contact with molten metal up to 1,200 degree Celsius. Thanks everyone for the input, especially dvellone and LoschCoalStoker. 6 g/cm3 and a refractoriness of 1500–1600°C was produced from expanded vermiculite, and a technology for producing ceramic vermiculite. Or fastest delivery Fri, 13 Oct. Plain Vermiculite Fibreboard Thermal insulation Panels Sizes Available: - 15mm, 20mm, 25mm and 30mm boards. Supply Ability: 20000 Piece/Pieces per Month. One bag of Pool-Krete covers approximately 10 square feet. Good quality Vermiculite board for thermal insulation, ladle furnace, steel structure building fire protection at low price made Wedge India. It is widely used as a component of growing media for professional growers. The thicknesses available are 15mm, 20mm, 25mm and 30mm. Send E-mail. One recommendation though is to turn the board every 25 or so firings to avoid warping. Another study found that, among houses with vermiculite attic insulation, only 26% had detectable levels of amphibole asbestos in their living spaces. 1. In the production of gypsum board, vermiculite. Vermiculite board & cement ; Fireboards ; Firebacks ; Fire bricks ; Thermal ropes, tapes & adhesive ; Decorative Fireplace Boards with Pattern . When it comes to water, it droplets are easily resistant to water, and builds up over time. These builders will use a 5:1, 6:1 or 7:1 parts. Marty Posts: 859 Joined: Mon Mar 10, 2003 3:58 pm Location: Maine Contact: Contact Marty. Description The Skamol V-1100 (600), V-1100 (700), VIP-900, VIP-12 HS . V-Core offers its long-lasting, environmentally friendly, non-combustible, high-quality boardsVICUCLAD vermiculate board from Promat International (Asia Pacific) is a non combustible board where the cellular structure of vermiculite is maintained through pre-treatment process. Collaborating to promote vermiculite. Primarily for the joints between boards. 75 (5 %) (54) Model# 220006PAL. ): 2 cu ft. The advantages of vermiculite have been known for a long time. Vermiculite also aerates the compost, which helps to stop it compacting or crusting over. - 7%. The C-Cast baffle is made of an aluminosilicate fiber material that is compressed with a binder to form a rigid board. Viagrow vermiculite can be mixed with Peat moss, mushroom compost, cactus soil, organic soil, bark, perlite. OEM USSC part # 891705. Also widely used as packaging/absorbent for hazardous materials. Bullseye. Vermiculite insulating boards for hot-face and back-up insulation in high temperature industries. The of chemical and physical properties of exfoliated vermiculite are Table 1 TheWhere vermiculite is mixed half and half with soil, peat, or composted pine bark, no additional feeding is required up to the time of transplanting. ft. Our core purpose is to beneficiate the specialty mineral Vermiculite at source and to substantially contribute to the economic and social development of South Africa. Origin: Hebei Color: yellow, brown. Anything that would cut wood will cut vermiculite board. 100+ bought in past month. Included Warranty & Technical Support Moisture: Max. Fits Pellet Stoves 6041, APC1406, and More. 2) Regency F3100 - Vermiculite baffle. As a result of XRD, crystalline phases de-tected were vermiculite, hydrobiotite [3], tobermorite-1. See full list on familyhandyman. These testing procedures deal primarily with material performance in the temperature. Call and make an appointment with your chiropractor, massage therapist, reflexologist or acupuncturist because you will need it after all this is over. , as long as the wall is flat and the gap does not exceed 5mm otherwise Vitcas ® HB60. 97. Vermiculite has a high cation-exchange capacity (CEC) at 100–150 meq /100 g. 1. Mandoval is South Africa’s largest processor and distributor of high quality Vermiculite-based products for the Agricultural, Horticultural, Industrial and Commercial sectors, including Fire Protection Solutions in South Africa in accordance with ISO 9001:2015. 30 minutes before initial use. Crocidolite . Stove Spares brings you a simple, easy to follow guide to cutting your own fire brick using our universal fire brick. 1 nm [4] and quartz (Fig. Compare. Layer structure and composition have much in common with mica group minerals (Fig. REACH exempt. 2m x 0. A 50:50 mix of house plant compost and vermiculite is ideal. It comes in small pellets, such as those used for wood stoves. DLS handles the regulation of occupational asbestos exposure. Learn more. Professional growers buy perlite wholesale in larger bags, but these can be a bit bulky for the consumer. These boards are often used as a ‘core’ in firedoors, to build fire barriers, to encase or construct ductwork and to protect steel building elements from the. ASTM C208, Type II, Grade 1 and Grade 2; Federal Specification LLL-I-535 Superseded. Description. , Ltd. FAQs. Ready-mixed blend of thermos-setting resins, high quality clay and inorganic fillers which cure when exposed to heat. Jewelers used to use it as a soldering board. by Brad Walker » Wed May 06, 2015 1:11 pm. Vermiculite-272-459: 760: 1400: Calcium Silicate Insulation. 1. Vitcas Vermiculite Fireproof Board. 28 Vermiculite Processing 11. 1 - 4mm. Pay in 30 days. Seek medical attention if irritation develops. Add to cart. This is the main board for discussing general techniques, tools, and processes for fusing, slumping, and related kiln-forming activities. Vermiculite is also asbestos free & insoluble in organic solvents. Non-asbestos Calcium Silicate insulation board and pipe insulation feature with light weight, low thermal conductivity, high temperature and chemical. 49-77 of 77 results for "vermiculite board" Results. 5 cm) square panel has a 2. FIPRO ® Technical specification * Reaction to fire (IMO Res. potting plants) is a health risk when used as directed . Peat moss is a much more renewable resource than vermiculite, and it has several other benefits as well. Exceptions may apply. Then the vermiculite abrasive was ground and fine sized particles smaller than sie-ving In intervals of 100-mesh (149m) were used for plaster mixes. 29+Vat. CB-8001 Vermiculite Fire Bricks (Grizzly/Bottom Only) Sale. STRUCTODEK HD WITH PRIMED RED COATING can be used as an insulation board, cover board, or re-roof/recover board. The 1100 C is a light weight board which has been developed for general insulation applications with a density of 350-450 kg/m3. Beware of foreign inferior quality Vermiculite Board (8) 8 product ratings - Fire Bricks Quality Vermiculite Board 600mm x 500mm x 25 Cut your own any size. Vermiculite is made from compressed dry flakes of a silicate material that is absorptive and spongy. com VITCAS Vermiculite Fire Resistant Insulation Board with a Brick Pattern is resistant to 1100ºC (2010ºF). Vermiculite fire bricks are non-combustible. Vermiculite (or perlite) concrete isn. FREE Delivery. Capacity of 4-5 pizzas at a time. In order to maintain high quality across systems, we set high demands for our suppliers of vermiculite. Pre-fire vermiculite boards at 55ºF (30ºC) above process temperature. Use 1/3 to 1/2 vermiculite in your potting soil for containers or when building your raised beds, or improve your garden soil by adding it in the spring with your other soil amendments and compost. Heat resistant adhesive for use with high temperature insulation boards, vermiculite boards, high temperature plasterboards and construction boards. The complete system for fireplace encolosures. Fire Resistant Vermiculite Board is refractory to 1100°C with very good insulation properties. Crocidolite (blue asbestos) was commonly used to insulate steam engines. Free postage. 0633-0. When the flakes are heated rapidly at a temperature above 870° C, the water flashes into steam, and the flakes. PLAIN & SMOOTH fire resistant Vermiculite Sheets, tested to 1100 degrees Centigrade. It is a limited-expansion clay with a medium shrink–swell capacity. 17 US Gallons. The amount is same for both Swishy. Vermiculite has the excellent property of improving soil aeration while retaining the moisture and nutrients necessary to feed roots. We show you how to replace the Vermiculite fire board panels on your wood-burning stove in the Contura 500 Style series. Dimensions : height is 25mm, overall length is 1000mm, and overall width is 610mm, providing ample coverage for various fireplace and stove applications. It’s also heavy and smells kinda icky when you cut it (just so you know ahead of time). Depot delivery is free for all heaters. Packing: in 1MT bag. Vermiculite and hy- 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. The Department of Labor standards does not regulate. £21. Delivery Next day available. Provides fire resistance, insulation and thermal stability. Location: attics, poured in to cavities of block cores or. Vermiculite boards are available in 1100 C and 1200 C grades. 64 after $25 OFF your total qualifying purchase upon opening a new card. The purpose of the study is to determine how common the amphibole asbestos minerals, like those found at Libby, MT, are in other vermiculiteWill not be refitting a fireplace, so will need to heat protect an area around the stove opening (which I will have to create as the raw opening is too big) on the chimney breast. The chemical formula for vermiculite is (Mg,Ca,K,Fe+2) (Si,Al,Fe+3) O (OH) 4H O. of metallurgy, construction, petrol, chemical, machinery, power, light industries. com and the author of Growing Under Cover. This Vermiculite fireboard is ideal for use as a fire surround or can be cut with a saw to fit inside a multi-fuel stove to replace the firebricks. A study has been carried out to determine the thermal insulating properties of expanded vermiculite mineral in the form of loose particles and in the form of compressed vermiculite boards. It can be poured between the joists of a loft, giving a strong layer of insulation. About S. It only yielded about 10 pieces of fruit and upon inspection, the mycelium. The vermiculite board just cracked after only 1 season of use! I saw on another forum that castable refractory can be used to make a replacement. Pressed Vermiculite Rigid Fire Board. Home delivery ONLY for all Spares, Flues and Accessories. In a different study, 29% of homes with vermiculite had very low levels of detectable Libby amphibole, similar to normal outdoor background concentrations. jamie of campbell likes this. 4 MPa (50. Vermiculite is an aluminium-magnesium layer silicate, which bloats to ultralightweight granulates through heating and is processed to boards, bricks and shaped parts through a compression mould procedure. Vermiculite is a naturally occurring mineral compound that is often used as an insulation material. Potassium Feldspar Lump. Vermiculite features larger granule size which minimizes the dusting evident with smaller grades of vermiculite. 1m 3 = 1000 Liters (0. High density (700 kgs/m3) heat resistant vermiculite fire boards used by the trade! These boards are easy to cut down with a wood saw or jigsaw and are ideal replacements for broken, crumbled fire bricks inside woodburning and multi-fuel stoves. Vitcas Vermiculite Fireboard 1000mm x 600mm x 25mm. I read on one of the posts that perlite will break down more than vermiculite during mixing, but I don't know how it differs from vermiculite as far as compressive. As the sole growing medium in a hydroponic setting, perlite is more suitable, although a mixture of the two is ideal. More than 70 percent of the vermiculite sold in the United States between. Aeration: The lightweight structure of vermiculite allows for better aeration in soil mixes, promoting. Developed in 1824 in Millbury, Massachusetts, USA, it was the first of its kind in the world at the time. 00 for Pallet via LTL carrier. Heat resistance temperature is up to 1100 degree centigrade; 3. What it is: A lightweight, shiny mineral that resembles mica flakes. £10. The largest operating mines today are located in the. It has excellent thermal insulation properties and minimal shrinkage at high. The Vermiculite boards are available in a number of different sizes. ComfortBilt Pellet Stove (4 PC) Replacement Vermiculite Refractory Panel Kit for the HP22. Use vermiculite in gardens and with potted plants. Starting seeds. £1599. The mineral was popular during much of the 20th century as insulation, thanks in part to its easy application: It could simply be poured by the bagful. For instance if you have a material with an R-value of 12 attached to. 05 . Vermiculite Board. Whether used alone, or in a mix, propagating a cutting with vermiculite will promote anchorage for new roots, and speed up root growth. Workers would hand-bag all insulation into small 6mm poly bags, clean them off, pass. 2. to the baffle board. Sale price $19. Fireproof vermiculite boards are lightweight and can be processed with traditional wood tools. VITCAS High Temperature Plasterboard is a non-combustible fireproof board which does not contain any gypsum. x 4 ft. 1. One recommendation though is to turn the board every 25 or so firings to avoid warping. 406-272-9850. However, vermiculite undergoes significant expansion when subject to elevated temperatures, the raw material exfoliates, leaving a. A smoother finish can be achieved by lightly troweling during spraying, but not all fire protection companies offer this, and it does come at an. 2. So you could use a jig saw or any similar tool. . If you have any questions please contact us directly. • up to 150 feet of 3″ hose. 40" x 24" Vermiculite Board . When used as an amendment, it helps to aerate the soil and retain moisture. The cement board is smooth (one side smooth, one side slightly textured) and can be painted with bog-standard emulsion. Vermiculite is a gold-colored mineral substance of widespread occurrence which is available at competitive cost. Vermiculite is the geological name given to a group of hydrated laminar minerals which are aluminum-iron-magnesium silicates. Marty Posts: 859 Joined: Mon Mar 10, 2003 3:58 pm Location: Maine Contact: Contact Marty. Non-asbestos Calcium Silicate insulation board and pipe insulation feature with light weight, low thermal conductivity, high temperature and chemical resistance. 3. Shelf Paper Roll 1/32in Thick. WELCOME TO MANDOVAL VERMICULITE. Standard Ceramic Insulation Board grades are standard, high purity, and zirconia. Please login or register to post messages and view our exclusive members-only content. Expansion coefficient: Min. Vermiculite is a natural silicate mineral that is a type of volcanic rock with excellent insulation, heat resistance, and lightweight properties. Flakes of raw vermiculite concentrate are micaceous in appearance and contain interlayer water in their structure. Scientists with the United States Geology Survey (USGS) have created a hand-held spectrometer to determine if vermiculite insulation contains deadly amphibole asbestos. Suitable for Inset Gas & Electric Fires. Insulation. Peat moss is an excellent substitute for vermiculite. These boards are often used as a ‘core’ in firedoors, to build fire. Our vitrigraph Heat Resistant Tile Adhesive. You can get a longer and better anneal by putting the blade between two heavy-section bars in the vermiculite, being sure the blade and the. Sign In Register. SiO 47%Vermiculite insulation is a granule/pebble like pour-in, loose-fill product. Quote; Post by Marty » Wed May 06, 2015 8:29 am. It is very easy to cut into any shape needed. • 240 volt power. The Vermiculite Association 2207 Forest Hills Drive Harrisburg, PA 17112 Phone: 717-238-9902 Fax: 717-238-9985 Email: tva@vermiculite. enordy. shop now. Our MicroLite Vermiculite Dispersions. One of them was . Description: A backup insulation board made of potassium silicate bonded vermiculite. Ask a question. R- 5, 1-in x 4-ft x 2-ft Acoustic Board Insulation Faced Polystyrene Board Insulation Sound Barrier. Save $ 1005. 48221. Model # A11240848096. com: Vermiculite Board 1-48 of 119 results for "vermiculite board" Results Price and other details may vary based on product size and color. ₹ 38/ Kg Get Latest Price. Vermiculite board is the usual one used for a heat shield with woodburning stoves. Perlite is expanded volcanic rock and looks like polystyrene granules. jamie of campbell likes this. Stove Firebox Lining High Quality Vermiculite. Easy to cut and very stable and strong. Vermiculite is a naturally-occurring mineral composed of shiny flakes, resembling mica. 25 – 1. us. Vermiculite is a naturally occurring non-toxic. They have good thermal properties, are highly thermalHorticultural Organic Vermiculite - (MADE IN UKRAINE ) - Medium Grade - Natural Soil Additive for Potted Plants, Orchids, Hydroponics, Terrariums (3 QUART) 2 5 out of 5 Stars. Dedicated to safety, integrity and honesty. Vermiculite board can be easily used with wood working tools. When combined with a bituminous binder exfoliated vermiculite can be used as a dry, lightweight roof screed which has the advantages of low thermal conductivity, low moisture content and. The use of vermiculite plates is aimed at improving the thermal insulation for both personal and industrial purposes. Choose an option 1 Superfine 0-1mm 2 Fine 1-2mm 3. It helps support root structure and stimulates root growth. Skin Contact. The most common use of vermiculite insulation within a house is as a loft or attic insulation. 42 in. Feb 27, 2008. Every care is taken in mining operations to minimize the impact on the environment and to restore land to its natural condition when mining ends. ft. According to the requirement of the customer, we can supply this product between 0mm to 12mm. Click here for more information. Features of Vermiculite board for Stove fire bricks: A good idea which increases efficiency of your Wood burning Stove is to replace the grate or cover it with a piece of vermiculite board and allow a good layer of ash to form on the base of the stove. Cart. Follow instructions. e. According to Healthdirect Australia, exposure to asbestos may increase the risk of asbestosis, mesothelioma, lung cancer, pleural disease and other types of cancer. Easy to fix without wires or framework. 00. x 0. It has excellent thermal insulation properties and minimal shrinkage at high. The period of exposure to asbestos that leads to the development of mesothelioma is sometimes quite brief, involving as little as one to three months. These decorative boards can be used around fireplaces and stoves as. Vermiculite insulation may contain asbestos, which has been linked to a rare cancer called mesothelioma. Resistant to 1000 o C. The beginning of the commissioning of. Herringbone Vermiculite Backerboard. Non Combustable fire. View More Details. Vermiculite by MushroomMediaOnline - 8QT - Fine Grade 2 - Natural Soil Additive, (647095945962) AddRe: Cutting Vermuculite Board. Posts: 4218. 0738 w/ (m °C) and these values were found. 24. Vermiculite Board. Unless a plant needs dry soil, you can assume that most plants will benefit from vermiculite. Heat resistant adhesive for use with high temperature insulation boards, vermiculite boards, high temperature plasterboards and construction boards. Both sell for about $3. Ordinary emulsion paint is not recommended for use on Vermiculite Fibreboard. Active since 1995, Hearth. We Carry A Large Selection Of In Stock, Ready To Ship, US Stove Service Parts. Rigid foam boards trap air or another. It is not a fibrous mat or roll type product nor is it a rigid board type product. My dilemma is I prefer the heavier build of the Regency door, hinges and heavy ash lip, but suspect the burn **may **be slighlty better with the Stainless Steel Summit baffle, being a more reflective material, it *may able to sustain slower, cleaner burns longer. 05 SECTION 4 - FIRST AID MEASURES Skin Contact Wash thoroughly with mild soap and water. or. Vermiculite will stick to glass, so separators are required (as for ceramic shelves). James Hardie. The vermiculite board is non combustible. g. . If you are a professional or experienced DIYer with a wood-burning. broken vermiculite baffle. There are several advantages to this process: • Less waste than traditional kilncasting processes • The majority of the molds will be reusable • Molds will be of uniform thickness, allowing for uniform heating and cooling • Molds will not fail at casting temperature (one of theVitcas Board Adhesive - a specially formulated, heat resistant adhesive ideal for securing and sealing joints across a wide range of boards. Home. com is THE place on the internet for free information and advice about wood stoves, pellet stoves and other energy saving equipment. Product code: HS-364 Manufacturer SKU: VERM-BD/1000X25. It has high temperature resistance, fire protection, green environmental protection, heat insulation, sound insulation, Plates. (39) Questions & Answers (7) +3. Vermiculite Fire Board for cutting bricks for stoves & fires, pizza ovens & barbecues. Burpee Natural & Organic Fine Grade Horticultural Vermiculite is a lightweight amendment that improves moisture and nutrient retention. It could also fill gouges in a kiln shelf. Vermiculite Grade. Wisconsin for $8 a bag (4 cf), as opposed to $50-$65 a bag for a vermiculite mix sold by chimney stores online. Replacement For Part Number 891705. It has high temperature resistance, fire protection, green environmental protection, heat insulation, sound insulation, Plates. Structure Vermiculite is a 2:1 clay, meaning it has two tetrahedral sheets for every one octahedral sheet. For the whole job, when using vermiculite for the insulation that is, I buy 7x 100 Liters bags (larger bulky but lightweight paper or plastic bags. Vermiculite: A General Overview. uk. Pay $14. Improving drainage: Vermiculite is added to improve the soil texture of heavy clay soil that is waterlogged because of poor drainage. 1 Process Description1-9 Vermiculite is the geological name given to a group of hydrated laminar minerals that are aluminum-iron-magnesium silicates and that resemble mica in appearance. Request PDF | Vermiculite board for novel building material | Vermiculite is a member of clay minerals, produced by the decompositions of micas and occurs as large crystals of mica-like habits. Please login or register to post messages and view our exclusive members-only content. $12. Vermiculite based fire protection being spray applied to structural steel Because of its low density and good insulation properties exfoliated vermiculite is used in building boards. The amount is same for both Swishy. See the technical data sheet for specific use instructions. Bulky materials resist conductive and -- to a lesser degree -- convective heat flow in a building cavity. HardieBacker with HydroDefense Technology 3 ft. Spare Parts. Non-toxic and environmentally friendly. Share +. If you need help with your purchase please contact us durectly and one of our team. Vermiculite is an aluminium-magnesium layer silicate, which bloats to ultralightweight granulates through heating and is processed to boards, bricks and shaped parts through a compression mould procedure. 11. Follow instructions. Measurements show that the thermal con ductivity of the loose vermiculite particles is in the range of 0. Vermiculite Fire Board for cutting bricks for stoves & fires, pizza ovens & barbecues. Insulates stove walls from excess heat. Another great advantage of Vermiculite board is that it is very easy to cut and handle as well as being quick and simple to install. So far 2 options. Vermiculite is a hydrated magnesium aluminum sheet silicate mineral closely related to mica and has all of the thermal and chemical resistance mica is known for. 8 Quarts Horticultural Vermiculite. R-1. . Add To Cart. R- 5, 1-in x 4-ft x 2-ft Acoustic Board Insulation Faced Polystyrene Board Insulation Sound Barrier. The difference in weight comes from the fact that perlite is airier than vermiculite. [4,7,8]. The expansion process is discussed in relation to the boards containing non-expanded particles and metal carbonates. Viagrow vermiculite can be mixed with Peat moss, mushroom compost, cactus soil, organic soil, bark, perlite, compost, coconut coir, worm. What it is: A lightweight, shiny mineral that resembles mica flakes. ): 2 cu ft. Vitcas® Heat Resistant Tile Adhesive is a ready mixed tile cement acting as a wet adhesive for fixing tiles in any indoor high temperature condition. The use of vermiculite plates is aimed at improving the thermal insulation for both personal and industrial purposes. Fire and water-resistant, mould and mildew. Replace your broken refractory panels with vermiculite boards in brick wall, large brick wall, herringbone, or a custom design. The general theory behind this type of board is that it resists the passage of flame and heat due to the de-hydration of the di-hydrate gypsum. Vermiculite plasters typically comprise a relatively simple mixture, usually a factory made pre-mix of the hydraulic binder (in this case hemi-hydrate gypsum), theVermiculite is commonly used by those in the gardening trade to root cuttings. The Vermiculite boards have excellent thermal insulation properties and ideal for making firebricks for solid fuel stoves, lining of. The onset of the disease often occurs long after exposure, almost never appearing in less. 4 cu. Made up of compressed vermiculite. Welcome to the Shroomery Message Board! You are experiencing a small sample of what the site has to offer. Geological Survey has been studying the composition of 101 vermiculite-rich, archived samples from 62 domestic vermiculite mines and deposits in 10 States. Jonáš Tokarský). Quartz Lumps. The 1200 C board is a medium weight board and is very suitable for industrial applications where a higher strength board is required. The recent innovation should provide a time-saving technique for commercial and home inspectors. . Maximum service temperature: 1100 o C. 25 $ 20115.