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Topic: Rockwool

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Hydroponics

	Rockwool as a Substrate for Hydroponic Growing Systems
		In the highest quality rockwools the mineral oils are removed during the manufacturing process and mineral wetting agents are incorporated in the melt.
		Rockwool slabs are placed in the rows, holes for plants are cut in the plastic surrounding the slabs and the drippers placed in the holes.
		Rockwool is an inorganic substrate as are sand, gravel and perlite.
	www.hydrofarm.com /content/articles/rock_substrate.html (2624 words)

	Growing cannabis plant - hydroponics
		Rockwool cubes can be reused several times, and are premade to use for hydroponics.
		Rockwool holds 10 times more water than soil, yet is impossible to over-water, because it always retains a high percentage of air.
		Since rockwool is easily reused over and over, the cost is divided by 3 or 4 crops, and ends up costing no more than vermiculite and lava, which is much more difficult to reclaim, sterilize and reuse (repot) when compared to rockwool.
	www.disabilityuk.com /cannabis/cannabis_hydroponics.htm (1217 words)

	Growing with rockwool
		Rockwool is bought in slabs, bricks, cubes, and rockwool flocking is stuffed into containers.
		Rockwool should be dealt with like soil, except for the fact that its treated, in watering, as a hydroponic medium.
		After the rockwool pierces the skin its alkaline properties interact with the bodies acidic environment and the rockwool dissolves, but wearing a mask to cover your mouth andnasal passages would be advisable.
	tn.essortment.com /growingwithroc_rtek.htm (536 words)

	AllAmericanHydro - Search Results (Site not responding. Last check: 2007-10-16)
		Slabs are rectangular pieces of rockwool that are designed for long term crops such as greenhouse-grown vegetables and cut flowers.
		Rockwool blocks containing plants are set on top of the slabs and the roots grow through the block and into the slabs.
		Grodan Rockwool: MM 40/40, 45 cubes polywrapped, 1.5 in.
	www.allamericanhydro.com /search_results.php?row=145 (873 words)

	Rockwool (Site not responding. Last check: 2007-10-16)
		Rockwool is manufactured from a melt of volcanic rock to which coke and limestone are added.
		Rockwool rolls comply with BS 5803 Part 1: 1985: Rockwool wired mats, pipe sections and slabs comply with BS 3958 Part 3, 4 and 5 respectively.
		Rockwool is completely rot proof and does not encourage the growth of fungi, moulds or bacteria.
	www.eurisol.com /pages/rockwool.html (453 words)

	Design Suggestions and Greenhouse Management for Vegetable Production in Perlite and Rockwool Media in Florida
		Rockwool and perlite provide for a high degree of capillary movement of water and have a large proportion of air space.
		In a rockwool or perlite house, water enters the house directly from the well, is mixed with fertilizer stocks by proportioners or injectors and applied to each plant via drip or micro-irrigation emitters.
		The poly sleeve is cut away from the bottom of the chosen slab, and the exposed rockwool is positioned on the capillary mat in the tray.
	edis.ifas.ufl.edu /CV195 (9520 words)

	Offshore Technology - Rockwool - Fire, Thermal And Acoustic Insulation For Offshore Projects
		ROCKWOOL offshore fire protection systems surpass the most stringent standards of structural stability and integrity, limiting the spread of fire and protecting personnel and equipment.
		ROCKWOOL Firebat 150 is approved to provide H60 and H120 fire protection to bulkheads and decks.
		ROCKWOOL A/S is part of the ROCKWOOL group, which is the world's largest manufacturer of stone wool with over 20 factories and representation in numerous countries all over the world.
	www.offshore-technology.com /contractors/fire_protection/rockwool (433 words)

	Hydroponics \| (Site not responding. Last check: 2007-10-16)
		Grodan Rockwool: DU 4 blocks, Strip of 8, 3 in.
		Grodan Rockwool: Strips of 15 MM 40/40, 1.5 in.
		Grodan Rockwool: DM 10 Strip of 6, 4 inch cubes, Case of 24 - Grodan Rockwool: DM 10 Strip of 6, 4 inch cubes, case of 24 (144 total blocks).
	www.superiorgrowers.com /keywords.php?cat=39&keyword=grodan+rockwool (352 words)

	Rockwool cubes, pads and slabs for use in hydroponics systems
		Rockwool pads are pre-formed cubes of rockwool connected to form a pad.
		Rockwool cubes can also be placed onto rockwool slabs for larger palntings.
		Rockwool granulate can be used in a variety of ways and is used in several of the hydroponic systems that we sell.
	www.living-learning.com /store/media/rwool.htm (388 words)

	3R Lighting: Hydroponics Rockwool Packages for Indoor Gardening
		This rockwool supply is suitable for hydroponics, indoor gardening, and hydroponic growing systems.
		If rockwool is cut, any airborne dust which you breathe in can be uncomfortable and make you sneeze.
		Rockwool is not classified as a carcinogen like asbestos, it is an irritant like perlite.
	www.3rlighting.com /hydroponics/rockwool.html (317 words)

	Progressive Growth - Rockwool Faqs
		Since rockwool exhibits a slow, steady drainage profile, the crop can be manipulated more precisely between vegetative and generative growth without fear of drastic changes in EC or pH.
		Rockwool systems require more vigilance in maintaining correct fertilizer ratios, EC, pH and irrigation cycles because there is no “buffer.” This sounds daunting but actually is a good thing, because it allows you to control the environment in which the roots are growing and increase both yield and quality.
		If both the tank and rockwool values are elevated you should reduce you tank EC via dilution with distilled water, adjust pH if necessary and then flush the system several times to bring down EC in the rockwool and prevent further damage to the plants.
	www.progressive-growth.com /article-rockwool_faqs.php (1829 words)

	Rockwool International A/S \| Synkron Content Management System \| CMS
		The Rockwool Group was founded in 1909 and is the world's leading producer of stone wool.
		Rockwool International A/S is a Danish company, but the company currently operates 22 factories in 14 countries around the world.
		Rockwool International A/S has 50 subsidiaries, and the company therefore faced a big challenge when they decided to convert all local websites into one web content management system.
	www.synkron.com /sw19580.asp (192 words)

	Loft Insulation Attic Insulation Gyprock Rockwool Floor Thermal UK
		Rockwool is a medium density insulation roll designed to thermally insulate domestic roof spaces.
		Rockwool Roll is rated A1 to EN 1350-1 reaction to fire test, Rockwool does not react to metal components in a loft, nor cause damage to electrical cables and pipes.
		Thermal insulation legislation requires that Rockwool Roll (when not underfloor) is cross layered, the first layer is laid between joists at specific widths, with a second layer laid cross wise to minimise cold bridging from timber joists.
	www.above-it-all.co.uk /loft_insulation/rockwool.htm (250 words)

	Ship Technology - Rockwool - Fire, Thermal and Acoustic Insulation for Shipbuilding
		ROCKWOOL products are based on stone wool, which cannot burn and which will withstand temperatures of up to 1,000°C without melting.
		ROCKWOOL ship fire protection systems surpass the most stringent standards of structural stability and integrity, limiting the spread of fire and protecting personnel and equipment.
		ROCKWOOL A/S is part of the ROCKWOOL group, which is the world's largest manufacturer of stone wool with more than 20 factories and numerous representatives in many countries all over the world.
	www.ship-technology.com /contractors/fire_fighting/rockwool (459 words)

	Rockwool > About Rockwool (Site not responding. Last check: 2007-10-16)
		The parent company, Rockwool International A/S, has its headquarters at Hedehusene outside Copenhagen, Denmark, where the group management, business divisions, and the main environmental and research and development departments are located.
		The Rockwool group, with nearly 65 years of experience in the manufacture of stone wool, holds today a leading position in stone wool technology.
		The Rockwool group is an expanding group, having in recent years established factories on the North American continent, in Malaysia, and in Eastern Europe, where the demand for insulation materials is growing rapidly.
	www.rockwool.lt /sw44935.asp (162 words)

	Rockwool International
		The Rockwool Group is the world's leading producer of stone wool - a material that improves the quality of life for millions of people and helps to alleviate environmental problems, such as the greenhouse effect, smog and acid rain.
		Rockwool insulation gives us pleasant indoor environments by keeping out the freezing cold that jeopardised the health of our ancestors for thousands of years.
		Rockwool insulation is one of few products that can save more than 1000 times the energy used for its manufacture.
	www.grodan.com /sw9990.asp (190 words)

	MCRMA - Members - Rockwool Ltd.
		In 1979 Rockwool UK started manufacturing in a custom built factory in Pencoed, South Wales, built on a former open cast mine landscaped to create one of the most attractive industrial sites in Britain.
		Rockwool Ltd is the UK's leading manufacturer of mineral wool insulation for thermal, acoustic and fire protection.
		The natural characteristics of Rockwool mineral wool provide a triple combination of advantages - it is energy saving which reduces fuel bills, it is fire safe which protects buildings and it offers acoustic improvement to reduce noise nuisance.
	www.mcrma.co.uk /members/rockwool.htm (137 words)

	Forums - Rockwool (Site not responding. Last check: 2007-10-16)
		Ive read about rockwool, and seems to be a good growing material, but what are its advantages over say, perlite.
		I used some rockwool cubes this year not only with seeds, but with cuttings as well.
		Rockwool cubes hold a tremendous amount of water and have excellent wicking properties.
	www.alabamahydroponics.com /forums/showthread.php?t=88 (521 words)

	ROCKWOOL \| ROCKWOOL PRODUCTS \| TECHNICAL INSULATION \| ROCKWOOL BATTS
		Rockwool Batts are produced in three firmness types; Rockwool Batts 48 is most firm.
		Rockwool Batts 40 and 48 are used for thermal insulation of reservoirs.
		Chemical activity: Rockwool stone wool is chemically inert material and could be used in composition with all material types, which are applied in systems of building and industrial thermal insulation.
	www.rockwool.ru /sw5248.asp (318 words)

	Welcome to Rockwool Rockpanel
		Rockwool Rockpanel® in the UK is a branch of Rockwool Rockpanel BV whose head office is located in Roermond, Netherlands.
		Rockwool Rockpanel BV is part of the Rockwool International A/S group of companies.
		The group was established in 1937 and now has 20 factories in 12 countries, with over 7,000 employees and a turnover in excess of £670 million.
	www.rockpanel.co.uk /sw30239.asp (499 words)

	rockwool \| Grow Lights, Hydroponic Systems
		Gardening Indoors with Rockwool - Gardening Indoors with Rockwool is packed with all new and revised facts and figures on rockwool, the most popular hydroponic growing medium.
		Due to the large air space volume, as much as 30%, long irrigation cycles are possible without causing a lack of oxygen to the roots.
		The rockwool substrates require less energy in growing vegetables and flowers, offering a higher return and better quality produce.
	www.superhydro.com /search_results.php?search_string=rockwool (2212 words)

	Rockwool Internationaal (Site not responding. Last check: 2007-10-16)
		Voor de Belgische en Luxemburgse markt is het verkoopkantoor gevestigd in Brussel, dit kantoor valt onder Rockwool Benelux Holding in Roermond (Nederland), en is weer een onderdeel van het internationale Rockwool concern.
		Sinds 1937 is Rockwool uitgegroeid tot de wereldwijde marktleider in rotswol toepassingen, met een netto-omzet van ruim 1 miljard Euro in 2002.
		Rockwool International heeft 21 fabrieken in 14 landen in Europa en Noord-Amerika, waar in totaal ruim 7000 mensen werkzaam zijn.
	www.rockwool.be /sw47152.asp (137 words)

	ROCKWOOL \| ABOUT ROCKWOOL (Site not responding. Last check: 2007-10-16)
		And now there are 21 factories producing Rockwool insulation in 14 countries of the world, and trade companies that are situated in 14 countries of Europe and Northern America.
		Rockwool Lapinus N.V. Alert B.V. Rockwool Asia SDN BHD
		Rockwool-Isolation S.A. Rockwool Italia S.R.L. Rockwool Iberica S.A
	www.rockwool.ru /sw5007.asp (208 words)

	Die neue Bodenreform von Rockwool (Site not responding. Last check: 2007-10-16)
		Rockwool Trittschallprodukte aus Steinwolle sind nicht brennbar, mit einem Schmelzpunkt von über 1.000° Celsius.
		Zudem haben Rockwool Produkte eine niedrige Wärmeleitfähigkeit (035/ 040), niedrige dynamische Steifigkeiten und ermöglichen den Ausgleich von Unebenheiten auf dem Untergrund, sodass sie sich besonders gut für die Sanierung eignen.
		Damit wird Rockwool einmal mehr dem Ruf gerecht, umfangreiche Systemlösungen für alle Bereiche der Dämmung anzubieten.
	www.rockwool.de /sw11581.asp (276 words)

	Home Recording dot com BBS - Rockwool (Site not responding. Last check: 2007-10-16)
		Rockwool is made by spun rock fibres whereas fibreglass is spun glass fibres.
		Rockwool is a very cheap alternative to fibreglass and it comes in differring 'R' ratings dependent on it's insulation properties.
		This basically turns the rockwool in a kind of fine wire, the same was glasswool turns glass into wire.
	homerecording.com /bbs/showthread.php?t=35583 (471 words)

	Rockwool Limited and Owens-Corning Building Products (UK) Limited: A report on the proposed merger
		Rockwool is the UK subsidiary of Rockwool International A/S, a Danish company which is the world’s largest producer of stone wool, a kind of insulation material.
		Rockwool has one factory, at Bridgend in South Wales, which has a capacity of 84,000 tonnes a year and employs 450 people.
		Rockwool already has 78 per cent of all UK sales of stone wool by manufacturers and importers.
	www.competition-commission.org.uk /rep_pub/reports/1999/427rock.htm (1112 words)

	Recommended UK Website: Rockwool Rockpanel: Cladding Suppliers (Site not responding. Last check: 2007-10-16)
		Rockwool Rockpanel® products have been designed for all applications where a decorative, "low maintenance" product is required.
		Rockwool Rockpanel products are suitable for any form of construction, from the most traditional to modern high-tech.
		Rockwool Rockpanel are members of the RIBA CPD Providers Network, and a sponsor of Construction Index.
	www.construction-index.com /rockwool.html (219 words)

	Rockwool 3
		Working on rockwool is advantageous because you don't have to drag bags of soil around Still, some weed growers swear by soil, because they think the quality of weed isn't as good if you grow on rockwool.
		The rockwool blocks are saturated with water and fertilizer.
		After laying out the irrigation system, the rockwool slabs are then cut on the underside in order to allow excess water to drain.
	www.geocities.com /SunsetStrip/Amphitheatre/5796/rockwool3.htm (1741 words)

	Sybase Inc - Rockwool (Site not responding. Last check: 2007-10-16)
		Rockwool employees were unable to efficiently carry on business activities while outside of the office.
		Rockwool chose Pylon Anywhere because it proved itself to be the most reliable solution.
		As a result, Rockwool employees equipped with palmtop computers can now access email, calendars, and their personal contact databases when performing their duties outside of the office.
	www.sybase.com /detail?id=1033832 (295 words)

	Rockwool Formula One yields impressive returns for a host of Vegetables, Flowers and Herbs (Site not responding. Last check: 2007-10-16)
		Rockwool Formula One is a professional grade, two part solution developed from pure, high quality salts.
		Rockwool Formula One yields impressive returns for a host of vegetables, flowers and herbs.
		Rockwool Formula One One of the most popular and consistent two-part nutrient mixes for hydroponic gardening.
	www.hydroponics-garden.com /rocforoneyie.html (188 words)

	Discount Hydroponics - Grow Mediums (Site not responding. Last check: 2007-10-16)
		Rockwool Starter Sheets are great for starting seeds or cuttings.
		Rockwool Starter cubes come in strips of 15, three strips to a pack.
		Normally, you would place a rockwool cube on top of them and let the roots grow into them.
	www.discount-hydro.com /growmediums.asp (1595 words)

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