/Box)The only Backer board you need. VITCAS Ceramic Fibre Insulation Blanket has a low thermal conductivity, high tensile strength and can withstand temperatures of up to 1260ºC/ 2300ºF. ft. -. Many fiber cement products carry a Class A fire rating, meaning that they can withstand several hours of. FC is pretty fire resistant, but it's relatively thin so, by itself, it might not have a great duration rating. Find My Store. 99. 5% Max at 2200F when exposed to 24 hours soaking heat, Loss of Ignition (LOI) at 1832F: 4-7%. Drill holes with a drill bit, so you know where to place the heat shields. This pack contains four exceptionally high-quality Micore-300 boards. How fire-resistant is Hardie board? James Hardie’s fiber cement siding is one of the highest-rated products on the market today for fire. PANDA Fiber Cement Board is waterproof and fireproof. ) is used for various applications in the metal, ceramic and glass production industries as wellSpecify fibre cement facade systems with confidence. 1. The lightweight board is easy to score and snap and enables quicker and easier installation, reducing strain and fatigue for the do-it-yourself homeowner or contractor. Rot-resistant: Since it's water resistant, it resists rot. 63 when you choose 5% savings on eligible purchases every day. Albi DriClad is a mineral fiber fireproofing board for use in interior or semi-exposed locations and provides up to four hours of protection. Seamless shiplap construction. Model # 11936. A benefit of insulating concrete forms is that they have a high level of thermal resistance. Our selection includes accessories compatible with all of the most popular fireplace brands, including Vanguard, Empire, and Monessen. Some newer types of particleboard are the result of this nearly complete recycling loop, with up to 83-percent of the board being made from total recycled material. Durable and low maintenance: Manufacturers offer some warranties lasting up to 50 years, a testament to the material's longevity. £. Fibre Cement Siding. 5 Mm 12. These products are non-combustible, fire resistant, and will not develop toxic smoke or promote flame spread even when exposed directly to fire. 5 insulation. These systems are made from fire-resistant boards that are installed around the concrete. Thermafiber® Industrial Board is an economical, rigid, mineral fiber board. 7-6. Hardie® fiber cement siding resists the impact of hail and windblown debris and is designed to perform in extreme heat and cold. Vinyl siding – Vinyl siding is the most popular cladding choice in the United States. This reduces the risk of cracking which. DriClad can be pre-cut for. The boards can be used for the construction of fire-resistant building elements to satisfy the criteria of BS 476: Part 22: 1987 Method for Determination of the Fire Resistance of non-load-bearing Elements of Construction – Determination of the Fire. 99. Insulation for Fire Protection. 70 to $5. £21. The fiberboard’s amazing versatility easily stands out both in and out of your home. 18. Consistent with the Johns Manville safety commitment, Super Firetemp® board is a noncombustible, asbestos-free fireproofing board used in assemblies requiring one to four hour fire ratings and is capable of withstanding temperatures in excess of 1800°F (1093°C). Static-Dissipative MultipurposeFlame-Retardant G-11/FR5 Garolite Sheets. 5, 0. Fire resistant insulation is available in many forms for use throughout a range of building projects. CAFCO-BOARD / ISOLATEK Type CB is a rigid, compressed mineral wool board which provides an alternative fireproofing method when spraying is not practical due to unique construction or building conditions. 1200 x 1000 x 25mm. 5 for where thermal and ember protection is required. James Hardie® fiber cement exteriors have been tested by various IAS Certified Laboratories to ASTM International standards and are classified as listed below. Allura products are fire-resistant, moisture-resistant and weather-resistant. Discover our full selection of fiber cement. Fireplace Backer Boards. 88 per m 2. The insulation value of wood fibre boards is not as dimensionally efficient as some of the orthodox petro-chemical materials - but it's no slouch either - typically coming in with a 'k value' range of between 0. It's easy to care for because it holds up against rot, insects, fire, and inclement weather. See the beauty. Sincerely hope to. 7 / Square Meter 1 Square Meter (MOQ)Nov 24, 2019 - Explore Seema Hossain's board "Fiber Cement Cladding" on Pinterest. Material. 1. Only 13 left in stock - order soon. The manufacturing of fiber cement boards is energy efficient and if replaced with new materials, it is 100% re-usable. I used liquid nails and some finishing nails to attached the cement board. Store Finder; Truck & Tool Rental; For the Pro;. Many fiber cement products carry a Class A fire rating, meaning that they can withstand several hours of. 197 in stock Aisle 17, Bay 001. But, incorporating fiber. Dimensions: 1200x1000x25mm and 1200x1000x50mm. The portion that’s visible—not overlapped—is called the exposure. 7 / Square Meter. Shop our selection of Wall Paneling in the section of Boards in the Building Materials Department at The Home Depot Canada. An alternative to vinyl siding, fiber cement, a mixture of cement, sand, and wood fibers, manages to achieve very high fire resistance without sacrificing convenience and durability. Sort by: Top Sellers. Resistant to 1100°C (2010°F) with very good insulation properties. Some noteworthy features of fire resistant boards as under: Easy to install; Long lasting service; AffordableFiber-cement panels butt together at the edges, making layout a no-brainer. Fiberock® Brand Underlayment is a water-resistant underlayment that delivers support for hardwood, ceramic tile, carpeting and more in homes or light commercial building. Consequently, the density of hardboard is 500 kg/m 3 (31 lb/cu ft) or more and is usually about 800–1,040 kg/m 3 (50–65 lb/cu ft). Yes, you can use cement board around a fireplace. Non-porous wall surface resists moisture, rot, mildew, stains, scratches and dents. Find My Store. ) Exposure has to be decided before you. 0. " Your fireplace footing is made from masonry material that needs to remain in place. Walk, play and run in comfort with no sign of bounce. Hardie ® Soffit Panels. However, there is a key difference between "around" and "on. Fiber Cement Siding. 4. 72 : Insulating board, expanded ploystyrene, extruded, cut cell: 4. PACK OF 5 - 6mm MDF - Beaded Medium Density Fibreboard (MDF) Panel - 6 x 607 x 1220mm. ZJGLEADER Mgo board,also named magnesium oxide board,fireproof board. Model # 9671761. When it comes to the fire-resistant exterior, there is no match for fibre cement boards. . The thickness ranges from 6mm through to 25mm. Nichiha’s robust Architectural Wall Panel rainscreen system and ½ thick Sierra lap board are IBC. Stucco – Stucco generally resists flames for about 60 minutes before it becomes engulfed. As mentioned earlier, it is. dimensional stability in wet environments . Vermiculite Fire Resistant Board -Fire-proof Insulation VITCAS Fire-proof Insulation Board Refractory to 1100ºC (2010ºF). All of these refractory materials are made into board with firm texture and standard thickness, RS has such board more than 20mm, so it is also called ceramic fibre board. They are also non-combustible and fire-resistant, ensuring a safe and secure environment for your property. 6 mm. 24. Model # 220022 SKU # 1000745046. Due to their high densities and good wear resistance, the boards can withstand high temperatures. 0 square meters. HardiePlank, the classic, flagship James Hardie product, is a simple 5/16-inch thick by 12-foot long lap siding, in widths. 00 - $60. (A 6¼-inch-wide clapboard with a 1¼-inch overlap has a 5-inch exposure. Fiber cement siding has a very high fire rating, especially compared to the other types. 10. We offer fire-resistant insulation, fire-resistant board, batts, stop socks, sealants, glues, and sealants. The cement-bonded, glass fiber-reinforced fire protection boards are generally used in structural fire protection, tunnels, industrial and OEM applications. It is. Vitcas Vermiculite Fireproof Board. The PROMASIL 1100 SUPER board stands out with its impressive density, weighing 16. Our MDF boards, hardboard and pinboard give you plenty of options when you need sheet materials. Tel:0086-512-56728110. Among them, the primary highlight is the EN 13501-1 certification. ROCKWOOL Cavityrock® semi-rigid stone wool insulation board available in mono and dual density is designed for exterior cavity wall and rainscreen applications. #1 Home Improvement Retailer. No natural wood grain aesthetic. com. Vinyl siding – Vinyl siding is the most popular cladding choice in the United States. View More Details. Hardie® Backer cement board is a tile underlayment made to use on walls, with floors and countertops. SkamoStove is our non-combustible fireplace boards that delivers high standards to insulation of fireplaces. for pricing and availability. Shopping Options. This mold-resistant tile backer is the perfect choice for floors, walls, countertops, tub, shower areas and exterior finish systems. $63. Made with Portland cement, aggregate, and fiberglass mesh, it works well as an underlayment for tub and shower surrounds, countertops, flooring, and a variety of other interior and exterior applications. Lightweight and easy to install. Insulation for Fire Protection. $28. x 3 ft. For this reason, BGC’s fire-resistant fibre cement boards are suitable for buildings in areas that are vulnerable to bushfires. Fiber-cement panels butt together at the edges, making layout a no-brainer. , and after pulping, forming and high-temperature autoclave curing, and t hen drying and surface treatment. Compare. Tile or granite can easily be damaged by the expansion of cement boards or other backer board material. Insulating board, glass fiber organic bonded: 4. Tel:0086-512-56728110. Geesic Ceramic Fiber Blanket Fireproof Insulation Baffle Rated to 2400F, High-Temperature Resistance for Stoves, Kilns, Forges 1inch (Thick) x12inch x24inch. Dimensions: This Aluminosilicate Refractory Ceramic Fiber Board measures 0. Some newer types of particleboard are the result of this nearly complete recycling loop, with up to 83-percent of the board being made from total recycled material. 47” x 18” x 24” in size ; High Compressive Strength: This fireproof board has good compressive strength at 25% deformation - 78 PSI, Permanent Linear Shrinkage - 3. 99 $ 94 . PROMATECT®-L. Duracom, Nuline Plus and other Innova products comply with BAL-40. x 5 ft. Mobile phone:0086 13812982102 (WhatsApp is available) Email:sales@zjgleader. Yes, Fiber Cement Board is fire resistant and has passed the required fireproof testing. KemFloor combines moisture and fire resistance properties with high impact strength and sound insulation. Though fiberglass won’t burn, it is often packed in a paper that will burn quickly. They are easy to install, saving you time and effort during the construction process. It is an excellent thermal insulator with high rigidity, made of refracted fibers. Applications. Our Fiber Cement Board Series products are versatile, cost-effective, and suitable for both commercial and residential applications. Call to speak with an Owens Corning representative. 00 30: 0. Vitcas Vermiculite Fireproof Board with Brick Pattern. Darco Code: Description: Roll Length (mm) Width (mm) Thick (mm) Qty/Ctn: CBD06G/1260/STD: CF Board, 1260°C, 300kgm³, 6 x 600 x 1000mm14 Products in hardie™ external wall cladding range by james hardie. BACLAUGH 1"x16"x48",2400F Ceramic Fiber Fireproof Insulation Blanket, Applicable to Furnace, forging, kiln and Stove. It is manufactured through a special board-making process with high purity washed fibers. ₹ 25/ Square Feet Get Latest Price. 5 mm; Calcium silicate board ramco hilux boards, for walls; 6x4 feet white saint gobain gypsum boardCement backer boards are often used in areas such as fireplaces, wood stoves and kitchens, while fiber-cement backer boards may be used in bathrooms and other low-risk areas. Description. This lightweight, blanket-like material will keep heat in without catching on fire, and its fibrous texture makes it great for filling in small draft holes and helping to slow down your kiln’s cooling. . USG Durock Brand Cement Board with EdgeGuard is a strong, water-durable tile backerboard with an enhanced, proprietary edge performance to prevent spinout and. PermaBASE® Cement Board provides a durable surface designed to withstand prolonged exposure to moisture. for pricing and availability. We are a professional manufacturer engaging in the research, development, production, sale and service of fiber cement board, calcium silicate board, EPS cement panel, decorative. FREE delivery Thu, Nov 30 on $35 of items shipped by Amazon. Product List ; Supplier List; View: List ViewBoards & sheets, drywall joint, fiber reinforced product, inorganic sheet, and joint compound: Attapulgite, cellulose pulp, cotton, mineral fiber, hydroxypropyl methyl cellulose, polyacrylamide, polypropylene, polyvinyl alcohol fiber, sepiolite, silica fume pulp, and slag wool. R-8. Nutec MaxBoard™ Ceramic Fiber Board, Application: For Ceramic, Glass, Steel and Non-Ferrous Industries, Refractory Lining for Industrial Furnaces, Combustion Chamber Liners, Boilers and Heaters, Expansion Joints, Board Over Blanket Linings, Back-up insulation, OEM Furnaces and Ovens, Insulation Thickness: 1 in, Length: 48 in, Material: Ceramic. Unique directional fiber structure provides excellent sound control. Primed HZ Fiber Cement Trim Woodgrain 5. View. Add To Cart. it is made from nature minerals including: magnesium oxide powder, magnesium sulfate, reinforced by plant fiber and glass mesh fiber. It cannot be replaced and should not be covered up with more flammable materials. Steel-covered Class A mineral board with black embossed-pebble finish for lasting performance. Similarly, ASTM C 208 is a standard for cellulosic (wood fiber) boards from which we excerpt: This specification covers the principal cellulosic fiber insulating board types, grades, and sizes. 5. 58. 85kg. Has a low heat conductivity at high temperatures and resists high gas velocity, which makes it ideal for boiler ducts, for kiln linings in glass and ceramics and for stack lining. In addition, organic and inorganic binders are added. £1799. Made of a durable polyester resin and reinforced with fibreglass; these panels provides a. Find My Store. 00. 33. View More Details. Its density and thickness are factory controlled for uniformity of application and adds minimal weight to the structural steel. Boards meet strict requirements which include improved fire resistance and especially the ability not to contribute to fire spread and not to form burning droplets. 2 4. Such materials include drywall, also known as Sheetrock, and Durock, also known as cement board. There is a high degree of variability in the products with regard to wood fiber content and alignment, adhesive or resin type used, and other additives to adjust the performance. Fireproof Fiber Board - Manufacturers, Factory, Suppliers from China. With clapboards and shingles, each course overlaps the next by at least 1¼ inches. 5 Results Drywall Features: Fire Resistant. There is a general rating system by which all insulation can be tested, with options available that are fully non-combustible. Made of HDF for lasting use. Hardi cement board is most easily cut using a masonry blade. Get free shipping on qualified Fire Resistant Backer Boards products or Buy Online Pick Up in Store today in the Flooring Department. ,Ltd. R-8. (difficult to process and high construction cost. 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. Qty. Versaroc Fibre Cement Board 12mm x 1200mm x 2400mm. Combining the fire resistant attributes of both plasterboard and fibre cement, the Elephant Plasterboard & Fibre Cement Fire Rated Systems Manual provides two way fire system solutions for external walls and other assemblies for residential & commercial construction. Easy to install by the DIYer or builder. 0 out of 5 stars 1. NOCOM. 125W/mK (at 800ºC). Vermiculite boards from Real-Fire. 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. Prone to mold: Although water resistant, a poorly placed downspout that allows moisture to permeate the siding can bring problems with mold and mildew. Fire protective boards are an essential part of the fire safety of a building. Standard Ceramic Insulation Board grades are standard, high purity, and zirconia. Everything is made in the USA. Moisture Resistant. Suspend these thin sheets to reflect sound and block noise from traveling to other parts of your facility. 50+ bought in past month. for pricing and availability. Related Products. They experience very little shrinkage at high temperatures, but the brittle material can be somewhat difficult to work with. These fire resistant boards are smooth and durable and are tested up to temperatures of 1100 degrees C. Width: 1220 mm. 6m2 1. Hardboard is similar to particle board and medium-density fiberboard, but is denser and much stronger and harder because it is made out of exploded wood fibers that have been highly compressed. Dimensions: 1200x1000x25mm and 1200x1000x50mm. 1200 x 1000 x 50mm. 400 x 600 x 25mm (15 3/4" x 23 5/8" x 1")REFIAL®TEC boards are strong, light and large size fiber cement calcium silicate insulation and construction boards. Request a Quote. 2X2 2X4 4X8 Fireproof Fiber Cement Board and Calcium Silicate Sheet to Replace Drywall Gypsum Board. Find My Store. 0 pieces. 25 in. 90 The versatility of our mineral wool product CAFCO-BOARD ® can save time and money – no temperature restrictions or required use of water. 5mm to the timber frame. Fire Resistant Boards. Details. Fireplace lining for multifuel stoves and more. 1,435. 4. Get free shipping on qualified Fire Resistant products or Buy Online Pick Up in Store today in the Building Materials Department. The combination of long spun fibers and needling operation produce tough, resilient and strong blankets, which resist tearing both before and after heating. 40 £49. For an attractive finish, we supply firebricks and heat resistant paints in a range of colours to complement your décor. Ecotex – Eco-friendly, fire-resistant ceiling boards. The wrap is thin and lightweight for easy, space-saving installation, yet also allows custom. As a non-combustible, A1 fire-tested material, Fibre Cement Backer is ideal for use around fireplaces. This expansion process is called exfoliation and the resulting material is. This is a proven alternative to 1- and 2-hour fire-resistant rated shaft enclosures when you need to protect grease ducts. The A1 fire resistant board means that your structure will be safer in the event of a fire outbreak. Unlike the Hardie board one side is very smooth and the other very slightly textured (for tiling) it’s also easier to cut. Fax:0086-512-56728511. Dimensions: 25mm and 13mm thick, 610mm wide; density: 128KG/m³. 00. Fibre Cement Siding. Get It Fast. Helps add performance and durability to a wide range of fire-rated and non-fire-rated building assemblies. Refine. Speak to an Associate about Doors and Windows. Panels. Ceramic Fibre Board . 58 (942) Model. Features an acrylic-coated brick design panel. 18. 7 mm) layer of cement board or 24 gauge (0. • Easy to cut– speeds up installation. . For example, a sheet of plywood that measures 12 x 24 inches and has a 16-ounce density will cost you around $26. CAFCO-BOARD / ISOLATEK Type CB Guide Specification C-TDS-10/19 SECTION 078200 – BOARD FIREPROOFING The following is an outline/short language application. Noncombustible Material. Pay in 30 days. 4'' Fireproof Insulation Board, Flame Retardant, Heat Resistant, High Temperature Insulation for Wood Stoves Fireplaces. Asbestos cement sheeting typically contains between five to 20 per cent asbestos. Brand. • Standards products are certified against. Contact Us. A fibre cement decking solution that does not rot, crack, warp, is resistant to termites and fire. 99 Roseburg offers the most diverse and technically-advanced line of medium density fiberboard (MDF) products in North America. Non-combustible (ASTM E136) See Section 3. It differs from. 99 £29. Gyprock Fyrchek™ is a fire and acoustic grade plasterboard with a specially processed glass fibre-reinforced gypsum core for use in fire rated wall and ceiling systems and where improved acoustic performance is required. Country/Region: China. The home was built on or about 1961. Is Hardie board flammable? Yes, HardieBacker® 1/4″ Cement Board is deemed noncombustible when tested to ASTM E 136 and can be used in conjunction with other noncombustible materials around a fireplace. Similarly, ASTM C 208 is a standard for cellulosic (wood fiber) boards from which we excerpt: This specification covers the principal cellulosic fiber insulating board types, grades, and sizes. Line up the spacer with the holes you drilled and drill in the screws. Stops sound transfer between living spaces - neighbor to neighbor, room to. Check Latest Price on Amazon. Advertisement Durock Durock is manufactured in sheets with a thickness of anywhere from 1/4 to 5/8 inch, a width of 32, 36 or 38 inches and a length between 4 and 10 feet. 95. Product Thickness (in. This means that it is a non-combustible cladding and will not ignite when exposed to direct flame or extreme heat, nor will it contribute fuel to a fire. The versatility of our mineral wool product CAFCO-BOARD ® can save time and money – no temperature restrictions or required use of water. x 3 ft. Warnock Hersey Product Listings. Color: Pink Face Paper Brown Reverse Side Paper. BXI Ceramic Fiber Thermal Insulation Board (1500°CF) - 300mmx200mm (Thickness: 10mm), Pack of 1 - Inorganic - Flame Retardant, Heat Resistant, High Temperature Insulation. When it comes to the fire-resistant exterior, there is no match for fibre cement boards. 2 4. For this reason, BGC’s fire-resistant fibre cement boards are suitable for buildings in areas that are vulnerable to bushfires. 5% max at 2200F when exposed to 24 hrs. STEICO insulation materials can be used to build fire protection structures from REI30 to REI90. Cement fibre board; How to fix wood fibre insulation boards; Review on cement fibre board; Roof tile underlay everest fibre cement boards; Glo fibre cement boards installation of ceiling board; Ecopro fiber cement board, for walls; Rectangular white fiber cement planks, packaging type: carto. com. Fireplace Construction Board is made from a strong, lightweight material with backup insulation and no fibres. VersatileMicore® 300 Mineral Fiber Board adapts to a variety of applications and outperforms gypsum panels in workability, with its organic mineral fibers that resist moisture and minimize expansion and warping. What is low density asbestos fibre board? LDB is a lightly compressed board containing asbestos fibres in a calcium silicate plaster. The test reports show the superb performance of Enviroboards' MgO (Magnesium Oxide. This is called home hardening. Speak to an Associate about Doors and Windows. Fire Resistant plasterboards utilise various fire retardant additives and a high-density core to enhance their fireproof qualities. Insulation Type: FiberglassClear All. Thermal-Shock-Resistant CeramicFiber Insulation Sheets for Furnaces. SFRM is a cement or mineral-fiber-based fireproofing material (e. 47" x 12" x 24", Pack of 1, Fireproof Insulation Board for Wood Stoves, Pizza Ovens, Forges, Kilns, Furnaces, Fireplaces: Firing Accessories - Amazon. Mobile phone:0086 13812982102 (WhatsApp is available) Email:sales@zjgleader. $63. Fiber Cement Siding general carries a Class 1 (A) fire/flame spread rating which gives it the highest rating possible. 47 Inch X 18 Inch X 24 Inch - Pack of 1. Step 4. FREE delivery Wed, Nov 22 on $35 of items shipped by Amazon. 1/2 in. PROMATECT®-H is a non combustible matrix engineered mineral board reinforced with selected fibres and fillers, used in the protection of concrete columns and beams, and upgrades to concrete slabs and walls PROMATECT®-H combines excellent fire resistance with high strength, and is resistant to the effects of moisture. 0 at Check Nearby Stores. Allowable tolerances: width: ±1 mm, length: ±2 mm, height: ±0. Vermiculite Fire Resistant Board -Fire-proof Insulation VITCAS Fire-proof Insulation Board Refractory to 1100ºC (2010ºF). for pricing and availability. Thickness: 12. By combining the properties of magnesium oxide cement (no chloride), with the strength of heavy duty alkaline resistant fiberglass, NOCOM is well suited for applications where fire. In a nutshell, fiber cement siding is a superior fire-resistant choice for numerous reasons. In Stock at Store Today. China Gypsum Fiber Board manufacturers - Select 2023 high quality Gypsum Fiber Board products in best price from certified Chinese Building Material, Fireproof Panel suppliers, wholesalers and factory on Made-in-China. 6 Ways to Elevate Exterior Design with Hardie® Trim Boards. More Options Available $ 12580. 4 yrs CN Supplier . Applications. 5mm is the best ceiling solution for internal residential applications greater than 6sqm, and as a standard solution for internal walls exposed to low traffic. Not Available for Delivery. Used for constructing fireplaces and tiled stoves. Cladding with Hardie™ Flex Sheets adds just 4. 2x2. Related Products. It is primarily used as a durable flooring board and is supplied with a factory-engineered tongue and grooved edge profiles to form a strong and seamless. Main Products: PVC Panel,WPC Board,Aluminum Ceiling,Gypsum Board,Fiber Cement Board. 3. As the name suggested, fibre cement exterior is made with cement, sand, and wood fibre. Be rest assured to get the best fire resistant fiber board with many variations to cater to all needs. Details. The thickness 15mm with fireproof performance only fulfill the requirement of B1 grade. Earth friendly fiberboard product, made from 97% organic materials including wood fiber. £59. Fax:0086-512-56728511. 1 with dimensions of 2 in. g. 00 - $6. 8ft,6ft gypsum board fire resistant, rectangular, thickness:. 25. It’s Cheap. 043 W/mK depending on format. 1. R-5, 1-in x 4-ft x 8-ft Residential Sheathing Tongue and Groove Faced Polystyrene For Use In Garage Doors Board Insulation Sound Barrier. 90 $ 52 . As low as £35. Micore® 300 Mineral Fiber Board: Offers outstanding resilience, superior machinability, high "k" factor, heavy density. and. Fiberboard is often a preferred material for roofing, especially with a low-slope roof. 1/2 in + View All. 61 mm) or thicker sheet metal for a 50% reduction, or (2) to use the same 1/2″ cement board or 24 gauge sheet metal with 1″ of air space behind and around the perimeter for a 66%. Insulating Concrete Forms (ICF’s) and Fire. 99 £29. 1. A similar sheet of medium-density fiberboard with an 18-pound density will cost you around $15.