99. More buying choices. Vermiculite first had to be mined and then heated. It has a neutral pH. Vermiculite insulation may be contained between attic joists, either under a plywood floor or exposed to the open air. NYSDOH said vermiculite insulation from the Libby mine typically contained 1% to 5% of asbestos. Fortunately it will almost assuredly not be due to asbestos exposure. - 10%. SKU. Tel: +44 (0)117 911 7895 ; Fax: +44 (0)117 971 1152 204-208 Broomhill Road, Bristol, BS4 5RG, United KingdomVermiculite is absolutely safe for garden use and will not damage the plants. However, vermiculite undergoes significant expansion when subject to elevated. Shop our range of insulation accessories for rolls of insulation tape, as well as acoustic intumescent sealant for fire-stopping and sound proofing. The price of Micafil is approximately £20 per bag – and one bag of this will cover 1m2 to a depth of 100mm. Free returns. 5% off all orders over £500 ex VAT. 1000 degree centigrade. 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. 2m (975PT) ThermaWrap Insulation 10m x 1. 30m2 to a depth of 100mm. If you disturb the insulation, you may inhale some asbestos fibers. 6111. uk. The pieces look like Loose fill vermiculite insulation containing asbestos can cause health risks if disturbed during maintenance, renovation or demolition. 25mm Vermiculite Fire Bricks for Wood Burning Stoves cut to order from Glowing Embers, supplying large range of Stoves and Flue Systems and full range of accessories. Out of stock for delivery. Asbestos fibers in vermiculite are too small to be seen by the naked eye. According to the experimental results in Fig. #5. FREE delivery Mon, 23 Oct on your first eligible order to UK or Ireland. Even though the material strength of SkamoStove is exceptional, the material is fast and simple to customize and shape. 03 inc VAT per sheet. Improved Thermal Conductivity. Refractory to 1100°C (2010°F) with very good insulation properties for indoor or covered applications including fireplaces, stoves, heaters, range cookers, boilers, night storage heaters, vessels & tanks, hobby. The best way to minimize asbestos exposure from vermiculite is to NOT remove or disturb the insulation. Has a high coefficient of water absorption (100 g of vermiculite absorbs 400-530 ml of water). Clay Minerals☆ J. Our fire boards are made from easy to score & snap plasterboard, great for an easy instillation. Viagrow Vermiculite is a natural soil amendment that promotes moisture retention and aeration in potting mixes and delivers. Due to their moisture-absorbing properties, the grains can only be utilised in dry and watertight spaces. Prior to its. 20. Knauf Insulation Space Loft Roll is a Glass Mineral Wool roll, designed for use in cold lofts where pitched roofs are insulated at ceiling level, that offers excellent thermal performance. Armacell Tuffcoat is the ideal outdoor pipe insulation solution. These products commonly contained 15% asbestos to 100% asbestos. 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. It's usually coloured blue or white (my insulation is the typical yellow colour) But I can't shake the thought since discovering it as loose fill. Solid grip resistant up to 1000°C Check offer now!Applications: Grouting around tiles: in fireplaces, in stoves, at the back of range cookers. Vitcas ® Premium Fire Cement is a finely ground putty-like material resistant to high heat- 1250 o C. The picture looks even murkier when you assess the manufacturing process. £29. EPA, Exposure Evaluation Division, Office of Toxic Substances, Office of Pesticides and Toxic Substances, U. From loft and roof insulation to cavity wall and pipe insulation, rest assured that we can provide heat protection to every inch of your home. Delivery 7 days a week I have a lot of vermiculite insulation to remove from a loft but struggling to find a suitable vacuum to hire for the job. Horticultural grade Vermiculite has become a mainstay as a component of soil-less growing mediums, as a soil amendment and in many other horticultural uses. Vermiculite (Also known as Zonolite) is an insulation material with a texture and weight similar to Styrofoam. 2 x 10m. C. Knick4lyfe • 3 yr. deep along the bottom and bend out the tabs. 2 - 3 WORKING DAY DELIVERY. It can be used as loose-fill insulation or mixed with cement or plaster to create lightweight, insulating building materials. HRTA -. Resistance: 1100c board size: 500mm x 610mm board thickness: 25mm colour: beige shrinkage: expansion: 0. The difference in weight comes from the fact that perlite is airier than vermiculite. go to shop read more. A member of the phyllosilicate group of minerals, it resembles mica in appearance. Scientists with the United States Geology Survey (USGS) have created a hand-held spectrometer to determine if vermiculite insulation contains deadly amphibole asbestos. Location: attics, poured in to cavities of block cores or. Asbestos-Free. Stove Glass Cleaner for surfaces in stoves and ovens. Fire Resistant Vermiculite Board is refractory to 1100°C with very good insulation properties. When heated to a high temperature, flakes of vermiculite expand as much as 8-30 times their original size. 18 Reviews VERM-BD Vermiculite Fire Resistant Board -Fire-proof Insulation VITCAS Fire-proof Insulation Board Refractory to 1100ºC (2010ºF). This helps keep loose fibers and particles from flying off into the air. 1 Vermiculite "Fibres" Vermiculite is normally a platey mineral in its natural state. This innovative type of insulation is incredibly easy to install. Vermiculite Fire Resistant Insulation board is used as head shield, register plates or replacement fire bricks for wood burning or multi fuel stoves. Vermiculite boards are available in 1100 C and 1200 C grades. I swear I'm not the litigious type and take no pleasure in bringing a lawsuit. 1. Vermiculite / Micafil is a highly versatile product which is used in many applications, it can withstand temperatures of up to 1000 degrees and we recommend this product for. 18+, T&C apply, Credit subject to status. com. Do you need vermiculite insulation testing in the UK? Summit Environmental can undertake sampling to certify the vermiculate insulation materials are asbestos free. We Offer A Price Match Promise – Our vermiculite fireboards provide fire resistance, insulation and thermal stability. By keeping out the cold and maintaining the heat within the flue, Vermiculite Granules and Flexwrap or Rockwool Insulated Blankets will keep the hot gases rising for an efficient draw on your stove. Post Sampling is required. We would like to show you a description here but the site won’t allow us. vermiculite per sample). Of concern is Zonolite, a product made from vermiculite which was used in many Canadian. Vitcas® Heat Resistant Silicone is one component silicone sealant for high temperature applications. Airborne asbestos fibers present a health risk through inhalation, so the first step is to not. The owner of B&Q and Screwfix issued its second profit warning in three months after weak sales in France but. The Stove Wizard Set of 4 Fireplace, Pizza Oven, BBQ, Stove Premium Vermiculite HD FireBrick 230mm x 114mm x 25mm (9" x 4. Add To Cart Premium Vermiculite Heat. Vitcas Vermiculite Fireproof Board. It comes in small pellets, such as those used for wood stoves. As low as £35. 2m x 100mm. FRAGILE MATERIAL - DELIVERY IS NOT POSSIBLE. Last week, the. Black Fire Bricks are decorative heat-proof fire bricks with a smooth surface. Our article on DIY potting mixes includes recipes that use both products. £43. Extracted from the mine between 1920 and 1990, this vermiculite insulation was sold mainly, but not exclusively, under the trademark Zonolite ® Attic Insulation. quasar9, Sep 25, 2020. Vermiculite Fire Bricks are a set of 6 fire-resistant bricks made from natural minerals. Jitender, Apr 29, 2015. Does this sound like a suitable solution and will the vermiculite add anything to the insulation. 98. Prior to its. S. Vermiculite Fire Board for cutting bricks for stoves & fires, pizza ovens & barbecues. You can also use with other products which have a 3mm bed, such as Board Adhesive and Heatproof Mortar. 1. Metalized PET Construction. The most common use of vermiculite insulation within a house is as a loft or attic insulation. Loftleg 175mm Loftflooring Legs Pack 12. 99. Prior to its. Jitender Screwfix Select. It also improves drainage and makes it easier for roots to spread. They can be. Vermiculite is the geological name given to a group of hydrated laminar minerals which are aluminium-iron-magnesium silicates. Vermiculite insulation is a pebble-like or rectangular, chunky product about the size of a pencil eraser, and usually gray-brown or silver-gold in color. Low price guarantee*. Vermiculite, a mineral of natural occurrence of the group of hydromicas, when heated to above 300°C, expands to become a highly efficient heat-insulating material. 2 to 2. Jitender, Apr 29, 2015. It's used in the building industry, the car industry and in packaging. Vermiculite is a silicate material that’s brown or beige in color and has a soft, sponge-like texture. Off-White 1. 53145 = 353. General characteristics of fireplace and stoves fire cement made by Vitcas Suitable for domestic and. Special Price £11. Different sizes of vermiculite particles . We provide this product across the UK so we can deliver to you in a very short time. Vermiculite is a mica-like mineral with a shiny flakes which is one member of the phyllosilicate group (Fig. A heat insulation material of apparent density 0. The Environmental Protection Agency also includes information on its webpage about how to protect your family from asbestos-contaminated vermiculite insulation. 99. That mine closed in 1990. This industry-leading outdoor pipe insulation based on Armaflex Class O Nitrile Foam insulation. We Offer A Price Match Promise – Our vermiculite fireboards provide fire resistance, insulation and thermal stability. For example, if you spent $8,972. Sold in FULL or HALF or QUARTER SHEETS, 25mm & 30mm Thickness | Plain & Smooth PLAIN & SMOOTH fire resistant Vermiculite Sheets, tested to 1100 degrees Centigrade. Vermiculite’s fire-resistant and insulating properties make it a valuable resource in the construction industry. It can be poured between the joists of a loft, giving a strong layer of insulation. Some attics have vermiculite insulation, which may contain asbestos. Vermiculite is still sold today, mainly for agricultural and horticultural use. 20460> [1] Thanks. 22 per m. Easy to install, lightweight, high performance aluminium bubble insulation membrane. 32 per square metre. com. The Vitcas Fire Resistant Vermiculite Board is available in two styles, brick effect or plain. EPA recommends that vermiculite insulation be left undisturbed. 717 cu ft equals 700 Liters). cavity closersadjustable led bulbsybs roll foilsupvc roof timber double glazed windowssuperfoil insulation. 88 per m 2. Most plants are in pots for now, I repotted everything with 40-50% vermiculite/50-60% compost and everything is doing much better. The ZAI Trust fund was established in 2014 to reimburse homeowners up to 55% of the cost of removal of vermiculite insulation produced from a mine in Libby, Montana, that was the source of over 70% of all the vermiculite in the U. Workers can be exposed to vermiculite insulation when they perform work in attic spaces, such as running wires, installing or repairing duct work, or installing new or additional insulation. I found that the perlite made the vermiculite mix more "workable". Details. 4 W / m * K. To avoid vermiculite health risks, be careful not to track vermiculite into the living areas. Indeed, Monokote was extensively used in commercial buildings in the 1960s and 1970s. By insulating your loft or roof you'll effectively reduce heat loss. We are nationwide distributors of all major insulation brands to the construction industry. 4. i think that i will use a mixture of rubble infilled with vermiculite so that i get the bext of both worlds. 41/Fl Oz) FREE delivery Fri, Nov 10 on $35 of items shipped by Amazon. Find inspirational ideas, tips, tools and 'How To' guides to make. Suitable for Water, Oils & Chemicals. 1. Vermiculite is a naturally occurring non-toxic. Inspectors should be on guard for empty bags in the attic that bear the name Zonolite®, as this was the commercial name for vermiculite mined in the notorious Libby mine. Or fastest delivery Sat, 21 Oct. $1699 ($0. When heated to a high temperature, flakes of vermiculite expand as much as 8-30 times their original size. com. The thicknesses available are 15mm, 20mm, 25mm and 30mm. £2398. £2. Recent findings about vermiculite ore contaminated with tremolite asbestos have. Hi all, looking for advice please- we have a 14 x 10 foot timber shed built on a block paving platform. 145 cubic ft. 1000 degree centigrade. The Heat Proof boards have excellent thermal insulation properties and ideal for making firebricks for: solid fuel stoves and fires, lining. For years, Zonolite was used in the insulation. If the chimney is on an outside wall, or the stack is particularly tall, or the flue is of a large diameter then the answer to the question is probably YES ! Vermiculite granules are only recommended if the chimney is watertight. Set Store. Available in 3 different options. Promat Supalux Fire Protection Board 15mm x 1220mm x 2440mm. These 100% natural and eco-friendly minerals remain stable, even under extreme temperatures. From Acoustic to Wall, Floor and Roof. Contact Now Add to Cart. Use vermiculite if: You’re starting seeds. Buy Fire Back Panels at Screwfix. 78. ex. Dimensions : height is 25mm, overall length is 1000mm, and overall width is 610mm, providing ample coverage for various fireplace and stove applications. Saving energy at home. For a reduction of noise between rooms or from outside sources, acoustic insulation will create a more peaceful environment. 5 lists the properties of vermiculite and some of the common smectite minerals found in nature. Wet the insulation: Mist the vermiculite insulation with water using a fine water mist sprayer. It has excellent thermal insulation properties and minimal shrinkage at high temperatures. Material. As a necessity for all buildings, come to us for high-quality ceiling, wall and floor insulation. Vermiculite is a naturally occurring mineral compound that expands when heated. V-PAINT/S/BLACK. Write a review. Vermiculite Asbestos Removal takes place where a property is known to have an insulation which was produced in the same factory where asbestos materials were also produced, causing contamination. Contact our sales team for expert advice. A commercial-grade insulation removal vacuum is needed to remove loose insulation. i think that i will use a mixture of rubble infilled with vermiculite so that i get the bext of both worlds. The 4 cubic feet size is more manageable in this case than with vermiculite. Get construction and insulation parts here, including mortars, metalwork and roofing. Because it is lightweight, odorless, and fire-resistant, it has been used in many different products. Pad out attics with loft insulation rolls available in a range of thickness and sizes. CLEARANCE. Fireproof to c. Worryingly, other commonly building materials have been found to contain asbestos. The amount is same for both Swishy. 60 days free credit available. Micalite TM boards are also available with decorative surfaces including Brick effect, Herringbone and Reeded patterns making them. 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. Promat Supalux Fire Protection Board 9mm x 1220mm x 2440mm. The Mi Flues Screw-FIX Insulation Back Filler is a new concept to make the job of back filling your chimney with vermiculite as easy as possible when using a Screw-Fix pot hanging cowl. Vermiculite was a common type of attic insulation that was sold from the late 1920s up until the EPA shut down the Zonolite vermiculite mine in Libby Montana in 1990. Much of the vermiculite used to make attic insulation originated from a mine in Libby, Montana, where natural veins of asbestos in the earth contaminated the vermiculite supply. 8Ltr. 99 Inc Vat. Knitted Ropes are high temperature resistant ropes. 49 Each. Easy to use, it pours straight from the bag and flows over and into all potential heat loss areas. Vermiculite Insulation Board Used for Stoves & Fireplaces Bigman™ boards made from expanded vermiculite and special inorganic binder that provide a. 63 per m. Prepare the workspace: Seal off the attic area by covering vents, registers, and any openings with plastic sheeting and sealing tape. The applied sealant reacts with atmospheric moisture to produce a. 47 Inch X 18 Inch X 24 Inch - Pack of 1 - Ceramic Thermal Insulation Board for Wood Stoves Fireplaces Furnaces Forges Kilns Pizza Ovens. Perfect for creating a heat-resistant barrier that contains. Versapanel Cement Particle Board 12mm x 1200mm x 2400mm. Assuming you spend $4000 for vermiculite removal and $2000 for re-insulation, according to the Zonolite Attic Insulation Trust fund, you are eligible to. Has a 6mm notched side for spreading adhesives and a rubber strip for grouting. 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. The recent innovation should provide a time-saving technique for commercial and home inspectors. Vermiculite is a naturally-occurring mineral composed of shiny flakes, resembling mica. 99 (2 new offers)The EPA recommends that vermiculite insulation be left undisturbed. Reinforced concrete floors can be insulated with a screed with the addition of vermiculite. Armaflex Tuffcoat Outdoor Pipe Insulation. General characteristics of fireplace and stoves fire cement made by Vitcas Suitable for domestic and. 3. Recently, Dust In Case addressed the topic of using an industrial vacuum cleaner to remove insulation. Loftleg Loft Lid Downlight Protector. The Mi Flues Screw-FIX Insulation Back Filler is a new concept to make the job of back filling your chimney with vermiculite as easy as possible when using a. , Shijiazhuang, Hebei, China (Mainland) Totally has 1 empolyees in TradesnsFlame-retarding materials: flame-retarding textile, flame-retarding fiber, flame-retarding decoration material, flame-retarding carpet, flame-retarding blanketry, flame-retarding fabric, flame-retarding lumber, decoration board, soft foam/hard foam of flame-retarding polyurethane, products after flame-retarding; flame-retarding/fire proof. It’s applications include in fireplaces, stoves, heaters, boilers, vessels, tanks, or wood-fired ovens. Kamino-Flam Vermiculite Fire Board, No Harmful Substances and Heavy Metals, Temperature-resistant up to 1,100°C, approx. The expanded vermiculite is a light-weight, fire-resistant, and odorless material and has been used in numerous products, including insulation for. [ 12 ] demonstrated SMRs for lung cancer among the Libby vermiculite worker cohort to be 1. The expanded vermiculite, owing to its unique properties – low bulk density, low heat conductivity, relatively high melting point, chemical inertness, endurance, and environmental safety –. So broad was the product’s reach, it’s believed that an estimated 824 cubic metres. quasar9, Sep 25, 2020. most water suppliers recommend a minimum depth of 750mm. New Safety Tread Absorbent Granules 30Ltr (690FX) compare. Accept all. Vermiculite is a naturally occurring non-toxic. However, a lawsuit in 2008. Our versatile rolls of insulation are available in a variety of thicknesses, widths and lengths. Vermiculite board is made from a naturally occurring aluminium-magnesium silicate layer that has been already expanded with the application of heat. Vermiculite can be treated in a variety of manners to make it suitable for a wide variety of applications where fire resistance and thermal stability are essential. came from a mine in Libby, Montana, and was sold under the name Zonolite. J Peacock are qualified vermiculite insulation removal experts, operating throughout Essex and the surrounding areas. I am looking at insulating the chimney in our house and want to know if pouring something like Vermiculite down/into it would be the best option? We're in a. It’s dangerous to perform any attic air sealing work until all of the vermiculite has been removed by a certified asbestos abatement contractor, at a cost ranging from $7,000 to $12,000. When used as an amendment, it helps to aerate the soil and retain moisture. In 1919, Dr. Our cut to size service allows us to make vermiculite boards to the size you require. This will act as a shim and protect the pipe as you add the next layer of vermiculite insulation. Accept all. 99 Inc Vat. Then, pack out the rest of the chimney with rockwool to stop the flue/liner banging around and aid with the insulation. 6 g/cm3 and a refractoriness of 1500–1600°C was produced from expanded vermiculite, and a technology for producing ceramic vermiculite. 25mm thick PLAIN & SMOOTH on both sides and fire resistant, tested to temperatures of over 1000 degrees Centigrade. I'll obviously just have to accept the labout intentsive side of things! I'll us the carboard option too. Vermiculite insulation systems have the great advantage of being able to withstand repeated heating and cooling and they can be formpressed just like wood, which offers a world of design possibilities. Our experts will simply drill small holes in the wall, and then feed the EPS beads through until the cavity is filled. How can I tell if my vermiculite insulation contains asbestos? The majority of all vermiculite insulation pro-duced before 1990 used contaminated vermicu-lite from Libby. Buy Absorbent Granules at Screwfix. £21. Get it tomorrow, 22 Sept. The vermiculite insulation which was often sold under the brand name Zonolite and a structural fireproofing material known as “Monokote. 8" x 3. vermiculite is valuable as an insulation material and filler among many other uses. For better heat insulation of the fireback you can use vermiculate instead of sand, but to be honest I did not bother, more heat will be lost up the chimney then through the fireback! When putting in the brick work for the main face of the fireplace I used asbestos rope to seal between the brickwork and the front edge of the fireback and lintel. Delivery 7 days a weekIt has been determined that vermiculite from this mine may contain asbestos. Micafil Vermiculite Specification: Material – Mineral (90%…Ceramic silica board refractory and insulation vermiculite unit for condensing gas boiler heat element. The price of Micafil is approximately £20 per bag – and one bag of this will cover 1m2 to a depth of 100mm. Pad out attics with loft insulation rolls available in a range of thickness and sizes. £279. Our range includes numerous sizes of the renowned Kingspan brand, and a range of polystyrene boards. One such trust is the Zonolite Attic Insulation Trust, which reimburses homeowners for a portion of the abatement of vermiculite insulation manufactured by W. Again, we should reiterate that cutting holes in the ceiling for downlights creates air leakage, so to avoid the same ‘heat chimney’ effect, we recommend using the Loft Lid downlight cover to create an effective airtight seal. I wouldn't risk it to add the insulation with the Zonolite in place. 50+ bought in past month. If you suspect that your attic contains vermiculite insulation, call us today for Vermiculite Testing, Sampling and Removal Services. Whether used alone, or in a mix, propagating a cutting with vermiculite will promote anchorage for new roots, and speed up root growth. Airborne asbestos fibers present a health risk through inhalation, so the first step is to not disturb the material, which could release fibers into the air. 8" x 3. The 37BVMB is a masonry block fill vermiculite that has a granular material which provides loose fill masonry insulation. Resistance: 1100°C. In its pure form, vermiculite is clean, odorless, nontoxic and sterile. Repairing firebacks. Vermiculite Boards. I was thinking about maybe taking the angle grinder to the flue just above where the plate will sit and perhaps stuffing some rockwool up there. vat. Maximum service temperature of 550 o C. £159. VITCAS Adhesive & Grout Spreader is for spreading of Heat Resistant Tile Adhesive, levelling and finishing. Recticel Instafit is a superb option if you’re insulating between rafters. Vermiculite insulation between attic joists . Delivery. Perlite and Vermiculite Help Keep Soil Aerated. Buy Toilet Accessories at Screwfix. Add to Cart. Apple Pay accepted in store. Zonolite is contaminated with tremolite, a highly toxic type of asbestos. Pipe insulation looks like corrugated cardboard or paper and is an off-white or gray color. All About Vermiculite and its properties . 99. Vermiculite is used without any binding, so no need to add cement - however I would strongly recommend that you have the entire. ex. The 1200 C board is a medium weight board and is very suitable for industrial applications where a higher strength board is required, density is 1160-1260. Add to Cart. 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. no evidence that vermiculite currently available for horticultural purposes (e. nearly an inch long. SBI is known for high-quality home improvement solutions and wood stove accessories, and these wood stove insulation boards will endure the heat. Typical vermiculite insulation . It is a limited-expansion clay with a medium shrink–swell capacity. Est. £24. 99 Regular Price £23. in pizza and bread ovens, etc. " He noted that common dust masks do not provide protection against asbestos fibers. More buying choices. If I have a case, I'm planning to sue the sellers. PayPal accepted online. Vermiculite Board is non combustible. The main benefit of vermiculite is that it can both hold on to water, and attract some nutrients beneficial to plants. Loose-fill cellulose insulation can settle around and conform to most of the obstructions found in walls and attics. £2398. 95. Its been suggested for the pipes to be insulated with foil faced phenolic foam and then covered over with vermiculite in the trench before a cover plate and floor finishes. The expanded vermiculite (EV) exhibits prospective properties such as low thermal conductivity, low bulk density, endurance, chemical inertness and relatively high. 4m x 1. Buy online and collect in store in as little as 1 minute. Get cut to size vermiculite fire board sheets from us. Vermiculite is a lightweight, pea-size, flaky gray mineral. S. Do not disturb vermiculite insulation unless you have had it tested by an approved lab to be sure that it does not contain asbestos. STEICO – The group for green building products and leader in wood fibre insulation products. The most important thing to do is to evacuate the affected room as quickly as possible to avoid inhaling the asbestos fibers. This creates a light and very open structure enabling compost to absorb and retain moisture for easier re-wetting. 1. (a) 55%, (b) 65%, (c) 75%, (d) 85%, (e) 95%, (f) summary. Vermiculite Fire Resistant Board -Fire-proof Insulation VITCAS Fire-proof Insulation Board Refractory to 1100ºC (2010ºF). Solvent-Free. Product: fire board construction: vermiculite temp. Provides fire resistance, insulation and thermal stability. The walls are much too uneven for board insulation, so I thought about adding vermiculite to the mix for a couple of layers before going back to the original 6:1:1 mix for the final layer. 50 per m. Tremolite fibers are barbed, so they get stuck more easily in soft lung tissue and are tougher to expel. At the exit, the plaster will have a thermal conductivity coefficient of 0. Shop cavity wall, roof and floor insulation boards from trusted brands like Celotex, Kingspan, Ecotherm and more.