wickes vermiculite. Wickes | 39,769 followers on LinkedIn. wickes vermiculite

 
Wickes | 39,769 followers on LinkedInwickes vermiculite  NoMorePly 12mm Fibre Cement Construction Board 1200 x 800mm

Wikidata Q347194 View or edit the. 1923 - The year that commercial mining of vermiculite began near Libby. The company ceased operations in 2007. Non Combustable, Heatproof, Heat Resistant Fireboard - Easy to cut Fire Board to make stove bricks. 9 p. It is a limited-expansion clay with a medium shrink–swell capacity. We have a range of Ceramic Sinks in a. 01. Use vermiculite alone or mixed with soil or peat for seed germination. £ 0. #. 99 delivery to most of the UK. It also has less tendency of being soggy as a medium. Kamino-Flam vermiculite fire protection plate. This fill consists of thick flakes, making it ideal for containers of liquids where spillage and leaks may occur. We manufacture and supply refractory cement and mortar, fire bricks, insulating boards and blankets, heat resistant. Mastercrete has improved resistance to the cracks caused by freeze/thaw attack when compared to traditional cement. 10 per l Add to basket Product details Product information This bag of vermiculite is suitable for all applications - sowing seeds and potting on plants. 00 + VAT. About this app. Before transplanting plants from pots to containers it is recommended to water the plant well and allow to drain. Vermiculite proves to be a great match with plants grown in containers — these rocks do not decompose even in harsh weather conditions. In some mines, notably in Libby. 95. £2398. Micalite TM boards are also available with decorative surfaces including Brick effect, Herringbone and Reeded patterns making them. COMMON QUESTIONS AND ANSWERS ABOUT PERLITE AND VERMICULITE. I haven't been impressed with my hempy trials. Vermiculite is very porous and absorbs a significant amount of water per volume. The firebrick lasted me about 5 years before it started to crumble. That’s good news, because most Zonolite, a type of vermiculite insulation, falls into that category. Metal won't be any good as it will asorbe the heat, so will warm tv even more,you need a heat resistent board,Glasroc Multiboard,Vermiculite Fire Resistant Board,Versapanel or similar. Moisture Resistant - helping prevent rot and mould. 4. 2) Keep moisture in the soil. Replacement Fire Bricks Universal Vermiculite Stove 4. 67 per m. Heat Output: 1. Wickes T & G Polystyrene Insulation Board EPS 70E - 1200mm x 450mm x 50mm. £1555. Vermiculite is widely used in commercial hydroponics, in seed starting, plants rooting, and as a soil conditioner. £20. In this form, vermiculite is a lightweight, odorless and fire-resistant material that has been used in numerous applications. By using it as a gardening medium, vermiculite improves soil aeration, absorbs and holds water and nutrients well, and is not adversely affected by heat. 87% of all Vermiculite deposits have Asbestos. Product description. Some floor & ceiling tiles also contain asbestos, as did Zonolite,a vermiculite type loft insulation,again used until the 90's. £14. Sold in FULL or HALF or QUARTER SHEETS, 25mm & 30mm Thickness | Plain & Smooth. delivery Tue, Oct 31. Great for storing bulbs during. com. Quantity: FREE Click & Collect within 30 minutes. The medium is considered safe for commercial and personal use. Sometimes perlite is mistaken for tiny plastic foam balls when used in potting soil mixtures. Showing 24 of 128 products. . ADD TO BASKET. Vermiculite has excellent water retention properties and releases water as the plant needs it. When the flakes are heated rapidly at a temperature above 870° C, the water flashes into steam, and the flakes expand into accordion-like particles. Our results indicated that. 🔥5 Star feedback and FAST Delivery! LARGE UK STOCK🔥🔥. Conclusion. 5mm x 1. Construction Materials: Lightweight Aggregates. The adhesive can be used for gap filling as well and has a good working time. Subscribe. The mine closed in 1990. They include: Improving drainage: Vermiculite is added to improve the soil texture of heavy clay soil that is waterlogged because of poor drainage. 3% Contact Supplier Low Price refractory fire bricks fire bricks wickes vermiculite fire eFDACtvP8rDr WebGlass Furnace 1250 1300 1400 Hot Sale Silica Firebrick Refractory Brick Price. It is also useful for encouraging faster root growth in cuttings. delivery Tue, Oct 31. Multipurpose Screws. Product Details. Our compost vermiculite absorbs nutrients to prevent them from being washed out and then releases the nutrients to roots for healthier plants. The dryness of the vermiculite will help control odors, and give the crickets a stronger bedding to walk on. Tuberous begonias are too pretty to lose to cold weather. It's used in the building industry, the car industry and in packaging. The recommended depth of blanket style insulation (glass or mineral wool) for a loft is 250 to 270 mm. Vermiculite is better at holding water. Yale P-M888-BZ-76 Tubular Door Latch - Chrome 76mm. An introduction to soil mineralogy; Surface chemistry of soil minerals; An introduction to organic matter in mineral soils; Mineral equilibria and the soil system; Mineral occurrence in soil environments; Carboonate, halide, sulfate, and sulfide minerals; Aluminum oxides and oxyhydroxides; Iron oxides; Manganese oxides ands hydroxides; Kaolin and serpentine. The mine was in close proximity to an asbestos deposit, causing asbestos-contaminated product. Preparation. I have never ever anyone seen making a mix of coco coir WITH VERMICULITE. It can also help improve the. Forest Garden Heavy Duty Pale Gate - 1000 x 900mm. The basic structure of vermiculite is similar to that of mica. 8" x 3. I paid Wickes £6,000 for a new kitchen with £775 of extras to be paid to the installer. Material. . 6m2 1. Known as Micafil, expanded vermiculite is a 100% natural material that can be used for void fill. Measuring 200 x 90 x 25mm (7. delivery Tue, Oct 31 Vermiculite Firebrick Fire Board 25mm Heat Proof Brick Fireboard Various Sizes £13. A bag that is 2 cubic feet weighs about 8 to 16 pounds when dry. This includes cacti and other drought-resistant plants that can rot because of too much water. This creates a light and very open structure enabling compost to absorb and retain moisture for easier re-wetting. Size: 100L Bag. 600. £9. We also offer click and collect. Vermiculite is a growing medium that is formed from the weathering of biotite. Vermiculite is a mineral that is mined and then expanded into light, porous pieces. #. It has a neutral pH. Delivery. When it comes to storing garden products, shop our range of garden buildings, including timber sheds, summerhouse cabins, garden stores , and greenhouses. co. From stylish vinyl and laminate flooring to unique, patterned floor tiles and classic parquet, Wickes flooring offers a quality and durable finish for every space. 99 Inc Vat. Wickes Stainless Steel Sinks combine long lasting corrosion resistance with an attractive, modern design. Vermiculite is a natural product that by itself is fireproof, lightweight and odorless. STORAGE PRECAUTIONS Focal Point Pasadena Black Remote Control Wall-Mounted Electric Fire 914mm x 440mm (4132G) (10) compare. 5-8. Vermiculite is lightweight, non-toxic and sterile and does not deteriorate over time. Vermiculite board. Internal door types include softwood, hardwood, glazed and moulded, as well as fire doors for safety and peace of mind. Sinclair Seed Sowing with Vermiculite Growing Medium 75lt £21. Clay-based nanomaterials, especially 2:1 aluminosilicates such as vermiculite, biotite, and illite, have demonstrated great potential in various fields. In fact, the. Pipes in basements, furnace rooms, utility rooms, and other service areas within the home may be wrapped with insulation that contains asbestos. 5 R, manufactured in China) was used as the base cementitious material in this study, whose initial and final setting times were 15 and 21 min, respectively. com and the author of Growing Under Cover. Wickes Bellante Toilet Pan, Cistern & Toilet Seat. the acidic vermiculite (Acid-Verm) was obtained under 650℃ high temperature calcination. Wickes Horizontal Hit & Miss Gate - 914 x 1815mm. Perlite, on the right, is bright white and the particles are much larger. Pipe insulation looks like corrugated cardboard or paper and is an off-white or gray color. ThermaWrap General Purpose Foil Wrap Insulation - 1000mm. The Stove Wizard Set of 4 Fireplace, Pizza Oven, BBQ, Stove Premium Vermiculite HD FireBrick 230mm x 114mm x 25mm (9" x 4. Vermiculite Firebrick Fire Board Heat Proof Brick Fireboard Size 25mm 30mm 40mm. Ideal for wood burning stoves, Micalite TM boards are easy to cut and are available in a number of thicknesses and densities. White 1. Vermiculite is used for moisture retention and is often found in soil mixes made for vegetables (even root crops), tropical plants, or in those that offer moisture control. It is used in gardening because itConstruction Materials: Lightweight Aggregates. All About Vermiculite and its properties . Products reviewed by customers. The first version of the Wickes company was founded by brothers Henry Dunn Wickes and Edward Noyes Wickes, in Flint, Michigan. 5" x 1") each, these bricks have low thermal conductivity for greater energy efficiency and can be sawn, drilled, and sanded to fit any fireplace or wood-burning stove. 95 to £66. £160. Delivery Next day available. Instructions. uk. Advantages of refractory cement. Currently, inspectors must send samples to off-site laboratories before making. It's suitable for growing ericaceous or acid-loving plants, which need a growing medium that's free from lime (alkalinity), such as blueberries and rhododendrons. Holds moisture near the roots. In 2020, Google Maps was used by. The Wickes Multi-Purpose Compost contains trace elements to promote plant health and disease resistance. Exposure to asbestos represents a life-threatening risk of cancer and other. The Platinum Square Countertop Bathroom Basin has stylish and modern smooth edges that will create a contemporary feel in any bathroom. 5. #11. Visit your local store for the widest range of storage & home products. 93% of all Vermiculite deposits have Chromium. 3. I don't like to use it straight up though, because it offers nothing beyond absorbancy, while peat has some mold (and perhaps even mite) retarding properties. It is widely used as a soil amendment to increase the amount of air and water in the soil. More buying choices. Wooden Sheds. 2 x 10m. £8. 141. Alumina: 2: 159: 1. $1699 ($0. 5cm). The absorbent properties of the ex-バーミキュライト(ヴァーミキュライト、expanded vermiculite)は、農業や園芸に使われる土壌改良用の土。 また、建設資材としても使われている。 名前は、原料である蛭石(ひるいし、正式な和名は苦土蛭石(くどひるいし)の英語名であるvermiculiteに由来する。Coals 4 You Large Replacement Vermiculite Fire Bricks For Stoves Wood Log burners Pizza Oven 12" x 4. It can be used for virtually all types of plant and the slightly coarse texture is perfect for all your potting needs as it promotes healthy root growth and resists compaction. Wickes Kitchen Sinks fit any kitchen style and come in left, right and reversible layouts. Wickes Maine Grey Wood Effect Porcelain Wall & Floor Tile - 225 x 900mm. Vermiculite is the mineralogical name given to hydrated laminar magnesium-aluminium-iron silicate ((Mg, Fe, Al) 3 ((Al, Si) 4 O 10)(OH) 2. History. Smooth finish. Wickes | 39,769 followers on LinkedIn. Score and snap to cleanly cut - leaves neat. The peat moss is actually the part of the mix that retains the water. 5" x 1") each, these bricks have low thermal conductivity for greater energy efficiency and can be sawn, drilled, and sanded to fit any fireplace or wood-burning stove. Absorb in vermiculite, dry sand or earth and place into containers. Kay Metzeler General Purpose Polystyrene EPS70 - 2400mm x 600mm x 50mm. 9 per O 10 (OH) 2 formula unit (Bailey, 1980; Guggenheim et al. Kick your green thumb up a notch and incorporate additives to soil to help your plants thrive. Reacting To Disturbance. 99 Inc Vat. In the United States, mines are located in Montana, South Carolina, and Virginia. If you can't find what you need we can cut bricks to your specification. Delivery. A standard recipe for a homemade soilless mix consists of half sphagnum peat moss and half perlite or vermiculite. 00. The United States and Republic ofVermiculite is best for water-loving plants, as it has strong moisture-retaining properties. The negative layer charge of vermiculites results. 80. Or fastest delivery Sat, 21 Oct. 373. vermiculite is moisture retention. 2 Vermiculite. Great for adding the subtle touch of modern and practical at the same time and compatible with our range. Discounted Vermiculite Fire Board (800mm x 400mm) 25mm PLAIN FireBoard CUT IN TWO FOR DELIVERY. Sinclair Propagation Compost Peat Reduced 75lt £16. NoMorePly 12mm Fibre Cement Construction Board 1200 x 800mm. FREE Delivery. Choose from a wide selection of breeze blocks, engineering bricks and lintels at affordable prices. Vermiculite Insulation. Grow your own for less with B&M on a wide range of garden bark, plants, cheap compost, soil and manure at B&M stores. Find inspirational ideas, tips, tools and 'How To' guides to make your next project perfect. These vermiculite fireboard sheets are a non combustible product. 5m rolls available. You're probably wondering how to determine which one should be used. Gro-Sure Perlite is a naturally. Vermiculite 2-pack 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. Add To Cart. 1. £21. Perfect for creating a heat-resistant barrier that. Add to basket. Vermiculite has the ability to absorb moisture, making it an ideal choice for use in damp environments. 95 postage Stove Board Vermiculite. Wickes Pipe Insulation Byelaw 15 x 1000mm Pack. Vermiculite boards from Real-Fire. Yes, the chimney in the loft is about 4-5 feet high, so if I do fill with something like Vermiculite I would go above the ceiling level by a foot or so. I basically sow all of my seeds on top of the soil, cover with vermiculite and then I put them in a little trough filled with water to water them from underneath. If you need help with your purchase please contact us durectly and one of our team. Wickes Radli Antique Rose. Pipe insulation looks like corrugated cardboard or paper and is an off-white or gray color. Description. John Guest Speedfit PEM0215W. 03 sq cm. PLAIN & SMOOTH fire resistant Vermiculite Sheets, tested to 1100 degrees Centigrade. Blackfriar Polyurethane Floor Paint - Mid Grey. Resistant to 1200 o C. The adhesive can be used for gap filling as well and has a good working time. ThermaWrap General Purpose Foil Wrap Insulation - 1000mm. Wickes is a home improvement retailer and garden centre, based in the United Kingdom with more than 230 stores throughout the country. g. Vermiculite board is the usual one used for a heat shield with woodburning stoves. FREE delivery Mon, 23 Oct on your first eligible order to UK or Ireland. These special properties make vermiculite suitable for pipe insulation among other applications. Michigan. Perlite is better for aeration. To avoid vermiculite health risks, be careful not to track vermiculite into the living areas. When it came to install, a few of the products didn't fit in our space, and Wickes refused to refund them despite them being based on their measurements. Vitcas is a British manufacturer of high quality refractories, heat resistant products and high temperature insulation materials, which follow the tradition of refractory and heatproof manufacturing in Bristol, UK, since 1882. Measuring 200 x 90 x 25mm (7. Shop our best offers on our stylish range of. Wickes plasterboard plugs and fixings are ideal for use in all types of hollow board materials. Forest Garden Hanbury Flat Top Arch - 2090 x 500mm. 03 sq cm. Kaufen Sie auf Alibaba. What is vermiculite insulation? Vermiculite is a naturally occurring mineral that has the unusual property of expanding into worm-like accordion shaped pieces when heated. Versatile Applications: The Vermiculite Fire Resistant Insulation Board finds use as a heat shield, register plate above free-standing stoves, and replacement fire bricks inside stoves. 99. Looking at perlite up close. Here at Fire Bricks we supply high quality replacement stove fire bricks, 25mm thick (30mm available at 20% extra charge) to suit a wide range of stoves and other heating appliances. A. Yale P-M888-BZ-64-3 2 Tubular Door Latch - Chrome 64mm Pack of 3. Expanded vermiculite is lightweight, fire-resistant, and odorless; since it has an R-value of about R-2 per inch, it was used for decades as an insulation material. 5mm x 3m. Aristotle (384 BC - 322 BC) "Human beings, the potentially highest form of life expression on this planet have built the vast pharmaceutical industry for the central purpose of poisoning the lowest form of life on the planet--germs!"--Dr. 5" x 9" Wood Log burner . The price will be calculated for you and then you will need to update the quantity you require before adding to your basket. Wickes coupon details. Vermiculite Fire-proof Insulation Board Refractory to 1100ºC (2010ºF). Additionally, the material is used as a cover for seed topping. 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. shop now. Vermiculite is used as a substitute for fireclay. Talc: 2: 476: 0. 6. This is really extremely odd since on paper, Vermiculite seems to be PERFECT to use. Lewis Wickes Hine (September 26, 1874 – November 3, 1940) was an American sociologist and muckraker photographer. It's suitable for growing ericaceous or acid-loving plants, which need a growing medium that's free from lime (alkalinity), such as blueberries and rhododendrons. How To Use Perlite for Rooting Cuttings. Keep the plants in the shade for a week and then place them in a sunny spot indoors. 11 £ 1. バーミキュライト(ヴァーミキュライト、expanded vermiculite)は、農業や園芸に使われる土壌改良用の土。 また、建設資材としても使われている。 名前は、原料である蛭石(ひるいし、正式な和名は苦土蛭石(くどひるいし)の英語名であるvermiculiteに由来する。Flakes of raw vermiculite concentrate are micaceous in appearance and contain interlayer water in their structure. £21. Add To Cart. 4H 2 O). 88 per m 2. 5" X 25MM) 12. Yes, vermiculite can be used in place of perlite. So, because of this fact, buildings have been improved in terms of their thermal and energy efficiency. Find Gro-Sure Vermiculite Plant Food - 10L at Homebase. The EPA defines an asbestos-containing material (ACM) as having greater than 1 percent asbestos. Resistance: 1100°C. uk. Buyer Protection. Mastercrete is the UK's bestselling cement , its multi-purpose ability makes it perfect for Concrete, Render, Bricklaying and Floor Screeds. Get it tomorrow, 22 Sept. Vermiculite insulation particle Typical vermiculite insulation . It has larger particles with minimal dust compared to grade A3 vermiculite. tyler138, Jul 25, 2021. Colour. Vermiculite Fire Boards 16mm Rustic Antique Brick effect x2. 88 per m 2. 26% of all Alumina deposits have Vermiculite. • Manage your details, order history and communication preferences to ensure you stay up-to-date with our latest offers and updates • Message our customer service team directly via our chat serviceVersatile Applications: The Vermiculite Fire Resistant Insulation Board finds use as a heat shield, register plate above free-standing stoves, and replacement fire bricks inside stoves. 100% Heat Efficiency. 95 to £62. Vermiculite is a “flakey” clay mineral—in more ways than one! When heated to about 570 degrees Fahrenheit, it opens up into lightweight, tan worm-like strands, thus the “breeding worms. £20. We have a wide and ever expanding range of Vermiculite Fire Bricks for a variety of stove brands. Our range of Plastering Tapes and Adhesives includes jointing tape, c-studs and cove adhesive. 000. Professional growers buy perlite wholesale in larger bags, but these can be a bit bulky for the consumer. Resistant to 1000 o C. The DIY giant Wickes has been accused of stifling freedom of speech after its boss tried unsuccessfully to shut down a website criticising it as “woke” after its boss told trans-critical. £8. The insulation will be fully wrapped around the pipes, often with an outer casing to hold the insulation on. Vermiculite is very lightweight and sterile. Vermiculite is a name given to hydrated phyllosilicates (elements with an aluminum-iron magnesium composition) with a shiny aesthetic that is sometimes grayish-brown and sometimes silvery-gold. Viagrow vermiculite can be mixed with Peat moss, mushroom compost, cactus soil, organic soil, bark, perlite, compost, coconut. Perlite is an excellent growing medium if you need to root cuttings because it is light and retains moisture. Vermiculite 100ltr is a multi purpose loose fill construction grade insulation that is lightweight, fireproof and irratation free. 99 inc VAT. 10 . 99 to £86. It is an expandable 2:1 mineral and often forms from alteration of mica []. Vermiculite is also used as an insulator in wall panels and thermal insulation in floors, roofs, and attics. Heat-Resistant to 150°C. To mix ½ bushel basket or four gallons of media: Start by pouring two gallons of peat moss into the bushel basket. Libellule, Vermiculite is used in potting mix not for ground soil, if you can mix in spent mushroom compost, there's a mushroom farm in Longfield, Kent or manure £3 from. Vermiculite is made from compressed dry flakes of a silicate material that is absorptive and spongy. Saturday 8:30 AM to 1:00 PM. In its pure form, vermiculite is clean, odorless, nontoxic and sterile. 5" Brick, Beige (BRICK 12" X 4. All you need to know about ericaceous compost, and where to buy it. £25. Vermiculite is a silicate material that’s brown or beige in color and has a soft, sponge-like texture. Wickes Ohio Grey Infill Panel - 600 X 131mm. SAC (42. These heat resistant boards can be used for indoor. co. Choose from our range of 53 kitchens in a variety of styles and colours. There is very little information on this, IF AT ALL, with the exception of some shroomers who use Coco/Vermi for cultivation. Kamino-Flam Vermiculite Fire Board, No Harmful Substances and Heavy Metals, Temperature-resistant up to 1,100°C, approx. Common brick, breeze blocks and concrete blocks delivered to your. Buy Loft Insulation at Screwfix. The profiles reflect the structural changes in the vermiculite clay induced by the. 95 to £62. 4. Dry peat doesn't absorb water well, so mixing it with 25% to 50% vermiculite hastens the process and makes watering much easier. When this mineral is put in an oven, it expands like popcorn. 99. If vermiculite is used without soil, feed the seedlings a weak fertilizer solution of 1 tablespoon (15 mL. 30x20x3cm. 99 to £86. Off-White 1. Wednesday 7:30 AM to 5:00 PM. Wickes Radli Antique Rose. Ready Mixed Fire Cement is made from thermo setting resins and inorganic fillers which cure when exposed to heat. 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. 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. £10. Free returns. Vermiculite is an excellent choice for amending the soil of moisture loving plants because of its water retention properties. Non-toxic and environmentally friendly. Wickes Pipe Insulation Byelaw 15 x 1000mm Pack. Vermiculite Fireboard Sheets 1000mm x 610mm x 25mm. 95 postage. Palmetto Vermiculite Grade A-3 is a premium, coarse particle size material meeting ASTM C516 Type 1, Grade 2 specifications. 2 x 10m. First, it's very dry. 41/Fl Oz) FREE delivery Fri, Nov 10 on $35 of items shipped by Amazon. Buy bricks & blocks from B&Q. 180 sold. Effect of water immersion at different times (from 1/2 h to 24 h) on raw and expanded vermiculite from Uganda was investigated. 5 and ∼7. Harga SUPER GOLD VERMICULITE 2- 4 mm 1kg =7. The EPA says that vermiculite insulation, which is the pebbly stuff found in attics of many older homes, is only risky if it contains more than one percent asbestos. Wickes Decorative Garden Arch - 1400 x 600mm. 2 Å in fabrics 4, 5, and 7 to 10 (Table 4, Figure 5), exhibits a strong 001 peak (14. Here is a little more about vermiculite from the USGS: “Raw vermiculite is similar in appearance to mica, contains water molecules within its internal structure, and ranges in color from black to various shades of brown to yellow. £5. They are lightweight and easy to use. 1020mm x 620mm x 25mm - Collection only. Vermiculite is also a naturally occurring mineral. Dimensions : height is 25mm, overall length is 1000mm, and overall width is 610mm, providing ample coverage for various fireplace and stove applications. Save on heating bills. When using fresh soil, don't use nutes. This OMRI-listed material is great for organic gardenging. Wood Burning Stoves | Multi Fuel stoves : Vermiculite Board - Stove Flue Pipe & Chimney Cowls Stove Glass Ecofans & Accessories Stove Care Products Stove Rope & Stove Glue High Temperature Stove. Acidity and alkalinity are measured by the pH (potential Hydrogen) scale, and you can find out the pH of your soil. Pumice is a light volcanic material that is a little bit heavier than perlite and Leca. Vitcas HB60 is a hydraulic setting, heat resistant adhesive designed for fixing tiles, bricks and in the construction of stoves, pizza ovens, tiled stoves, grills and fireplaces. jamie of campbell likes this. Vermiculite is Beneficial For: Aerating Soils; Indoor and Outdoor PlantsDescription. 03-22-2022, 08:35 PM. 1. Gardening - helps with water. The perlite breaks it up a bit and gives the soil some aeration. go to shop read more. Use perlite in seed sowing. Michigan.