Your pipe wraps looked pretty new, hence my prior opinion. It is more effective to install insulation over the surface of the blocks either on the exterior or interior of the foundation walls. - yes, your stick-on insulating pipe wrapping tape may well contain asbestos. Pipe insulation on a domestic water line. Insulation materials for EV Battery & Motor design. I know that I have some old radiator pipes wrapped in asbestos, but would like confirmation that the other insulation with the yellow coloring is not asbestos. There are two types of foam-in-place insulation: closed-cell and open-cell. Following installation, an approved thermal barrier equal in fire resistance to half-inch gypsum board must cover all foam materials. Faced boards can be installed in the same way, and the joints between boards sealed with pressure-sensitive tape or glass fabric and mastic. If there is more of this material in the building than just a couple of feet of insulated pipe then you face significant costs. Anonymous reader says - Radiant barriersare installed in homes -- usually in attics -- primarily to reduce summer heat gain, which helps lower cooling costs. Required fields are marked *. I'm actually not sure what that insulating material is. @Inspectapedia Com Moderator, @Inspectapedia Com Moderator, Is that likely to happen with foam insulation. Writer and editor with a background in news writing, editorial and column writing and content marketing. was less-widely used but appears in some asbestos insulation products as well as in the form of an un-invited contaminant in talc and in vermiculite from some (but not all) talc or vermiculite mines. Reynolds Jr, Harold J., George P. Leistensnider, and Angelo A. creating a detectable airborne asbestos hazard in your building as long as the pipe insulation is left intact, un-damaged, in-place. https://inspectapedia.com/hazmat/DIY-Asbestos-Material-Test.php Watch out: as we illustrate at the ASBESTOS in POOR CONDITION article linked-to just above, you might find newer fiberglass heating pipe insulation installed over an amateur or incomplete asbestos removal job. The lifespan depends on the base material used, such as rock wool, glass wool, or slag wool. According to the company that product - at least in the U.S. in the 1950s, was made of 85% Magnesium Carbonate and "pure asbestos insulation". Thanks Steve. Loose-fill insulation consists of small particles of fiber, foam, or other materials. Even though ICF homes are constructed using concrete, they look like traditional stick-built homes. Hope this helps. I have this around a copper water pipe in my basement. Denim is non-toxic and non-irritating, making it easy for DIYers to install. Traditional asbestos pipe insulation is either the corrugated asbestos paper shown on this page or a plaster-like asbestos-based lagging used at pipe elbows and sometimes to cover entire boiler exteriors. Asbestos pipe insulation also shows up occasionally as an asbestos paper or as an asbestos-impregnated spiral wrap used on pipes and shown later in this article. $12.26. I can't say if it's an insulated metal pipe or a deteriorating clay flue tile liner or something else . On 2022-05-19 Illustration: Applying 85% Magnesia Blocks to a large boiler wall - Johns Manville 1952 catalog p. IM-3. There are at least two, maybe three insulating materials that I THINK I can see in your photo, annotated in a copy of your image. Lowers operating temperature by 20-45C in e-motors as a NKN slot liner. Learn more about theseinsulation materials. All your CertainTeed roofing, siding, gypsum, ceilings and insulation information gathered in one convenient location. Fibreglass insulation. With its expansive BIM library growing every day, users can easily download free Revit families, AutoCAD blocks, SketchUp models, and more. Going to have them clean up and paint seal the exposed pipes and add some fiberglass insulation to close up the gap where those pipes that are still covered are sitting. The particles of the insulation have an accordion-like texture. That means that if we were to use 4-inch fiberglass batts, the overall R-value would be R-14.8. Does this mean no asbestos? @David wild, 3. Eng. 2. Watch out: my concern when I see incomplete asbestos pipe insulation removal is that it was evidently not a job done by a trained professional - a pro should not leave asbestos in place on pipes like that and often they'll also use an encapsulant paint to lock down any remaining dust at the end of the job. Unknown if this section of cast iron sewer pipe is original, although we believe it is. Read on for some tips and types of insulation as well as the best options currently on the market. A piping insulation system serves three principal purposes: However, there are various other benefits of piping insulation as listed below, Piping insulation can be classified based on various parameters like. Add To Cart. Good options include cork, wood fiber, sheep's wool, hemp, and certain fiberglass and mineral wool. That dark gray material is not familiar to us. Yellow: Usage/Application: Insulation Material: Brand: JITEX: Coverage: 200 - 220 Square Feet: Your email address will not be published. visual inspection. Excellent thermal insulation --very low thermal conductivity coefficients. There's not much up there and only about 5-6 tufts have come out . Fiberglass Tripolymer foama water-soluble foamis injected into wall cavities. difference between fiberglass (pink or yellow or white fibers) and asbestos (corrugated asbestos paper). Example: Fiberglass batt has a typical R-value of R-3.7 per inch of thickness. Un. That article shows examples of incompletely-removed asbestos indicating an amateur or improper asbestos abatement job. Watch out: some but not all Magnesium Carbonate insulation and pipe wrap contained asbestos. It's located in Toronto, Ontario, Canada. Foil-faced kraft paper, plastic film, polyethylene bubbles, or cardboard. Acoustic Foam, fiberglass, polyester/polyurethane foams, rock wool, Mass Loaded Vinyl, etc are used as Acoustic Insulating material. visual detection of asbestos in and on heating and cooling system ducts and flue vents. Fabricated composite plates subjected to mechanical properties like Flexural strength, Impact It may be a cellulose material. It is not a friable material, so even if it contains asbestos you'd be hard-pressed to detect a hazardous asbestos fibre or dust release from such a product under normal conditions. This common insulation material is typically used on hot and cold water lines and in process piping. My OPINION is that what's appropriate now is to focus on evaluating the building and having the proper extent of cleanup completed. You'll find asbestos lagging also on boilers, valves, claorifiers (water heaters), and on water tanks. Antisepsis,aging resistance,anticorrosion,ensuring a heath environment. Moisture resistant,fire resistant. But it would be useful to know the age and location of the building and a guess at the age of the wrap on material. It is a magnesium salt, a carbonate salt, a one-carbon compound and an organic magnesium salt. Please find our discussion now at the reader Q&A found at Some installations can yield a higher R-value than traditional batt insulation for the same thickness, and can fill even the smallest cavities, creating an effectiveair barrier. Thank you.One doubt what is this HE Insulation? Other types require professional installation. There is a picture zoomed into some that I can see on the floor in the void. First of all, I wanted to thank you immensely for your wonderful database. I can't say anything about that little bit of white material showing in your photo. House was built in 1945 and expanded in 1970. On a 1908 house it's quite likely that asbestos pipe insulation would have been used on heating pipes and sometimes on water pipes too. 2.595*595*12 mm can load 580 packages (5220 sq meters) one 40 fcl container, 3.595*595*15mm can load 590 packages (4248 sq meters) one 20 fcl container. So I removed a bunch of insulation from some cast iron pipes because I thought it was safe and then I saw the sticker . Know how well your insulation material can absorb moisture, how resistant it is to oil, gas, acids and alkalis, and its stability when exposed to sunlight, ozone or flames. The pipe is only around an inch thick for reference. Increases power output by 10-30% for PTC heaters. Also getting a hepa air purifier just as an extra precaution. . Watch out: do have this asbestos material properly removed / encapsulated and your building properly evaluated and, if necessary, cleaned, but do NOT panic. Thanks - that plus the details we can see all argue for transite pipe used as a vent strength test of the various specimens are calculated by using computer assisted Universal For those purposes one of the most common forms of asbestos pipe insulation is the fabric-wrapped corrugated asbestos pipe insulation show here. That looks like a stick on wrap type pipe insulation. @Steve Schultz, @Matthew, Excellent article for information related to piping engineering. Construction workers fit SIPs together to form walls and roof of a house. When using foam blocks, steel rods are often used inside the hollow cores to strengthen the walls. 00000. but I do see it was cut into in this and one more spot. Increase the operating efficiency of heating/cooling, power, and process systems. You will not receive a notification when a response to your question has been posted. These foams are designed to flow over obstructions before expanding and curing, and they are often used for empty wall cavities in existing buildings. Toll Free (USA): 1.800.461.4161 Intl: 001.847.395.0325 sales@cshyde.com Order Online. We want to make sure that it is not hazardous as it is crumbling onto the shelves below. The material absorbs water readily, so it requires protection from moisture. Glad to assist - working together helps us both. Find out how much you could save. As thermal and sound insulation for salon ,storage tank ,industrial thick pipe , walls ,also ceiling of building and construction . Asbestos is safe and legal and can be left in properties when it is undamaged and undisturbed. That coarse brown fibrous material won't be asbestos. On 2022-04-19 by Inspectapedia Com Moderator. It would be helpful to know the country and city of location of the building and the building age. An effective vapor retarder reduces the risk of mold and mildew, improving air quality and reducing risk of costly damage from rot. Below: Asbestos insulation on a roof drain pipe. The photograph shown at the page top is some "new old stock" corrugated asbestos pipe insulation that was never used - just left in a basement ceiling. Wondering what this pipe insulation could be. The house was built in 1973 in Maryland. That's a wood fiber, not asbestos, a mineral. Fiberglass insulation, a man-made mineral fiber constructed from a variety of materials, such as sand and recycled glass, is the most popular form of insulation in the United States -- more than 90 percent of homes in America are lined with the pink stuff [source: Spencer and Gulick]. Would I be in the wrong to remove a sample and have it tested it myself? The main purpose is to reduce the noise (vibration) to an acceptable limit. Common fibers used in piping insulation are Silica, slag wool, rock wool, and alumina-silica. I did a quick online search and it seems like it was built anywhere between 1900 and 1930 and it is located in Princeton Junction New Jersey. The Commission issued the R-value Rule to prohibit, on an industry-wide basis, specific unfair or deceptive acts or practices. A well-designed, installed, and properly operated mechanical ventilation system can also help prevent indoor moisture problems, which is important for achieving the energy-saving benefits of a SIP structure. The fibers may be perpendicular or parallel to the surface being insulated, and they may or may not be bonded together. I really would appreciate your input because my kids are starting to play more on that area and I need to know if its safe. Loose fill asbestos is most commonly found in lofts as loft insulation, but it can also be found under floorboards an inside cavity walls, both in domestic and commercial properties. Also see ASBESTOS DUCTS, HVAC a field identification guide to I found it today and I feel sick over it! We include photos of pipe insulation that is not but might be mistaken for asbestos. I would very much appreciate your help with this matter since we have upcoming renovations next week or the one after that will involve this section of the basement. Shown below are two examples of currently-available felt pipe lagging described as "Felt Insulation Hose (left in image) or as Pipe Lagging Wrap - natural wool (at right)" currently sold by online vendors. Thanks. Thanks to readers JJ the photo of fiberglass heating pipe insulation and the vertical drain line insulation shown above. Wondering if this paper type insulation I took off my pipe in our crawl space is asbestos. Then you could make a reasonable guess at "not-asbestos". Insulation shall not be applied until hydrostatic/ pneumatic testing. Continuing with more research illustrating asbestos use in stick-on putty-like insulating pipe wrap products, finally, I also notice what looks like fiberous material around more exposed sections of pipes so im wondering if a past owner removed most of it and left this more enclosed section. The urgency of that asbestos cleanup job is increased if asbestos is falling or on the ground in an area frequently entered and where it's likely to be tracked into other building areas. But the pipe insulation in your photos looks like fiberglass and common fiberglass /plastic/paper/foil wraps. All wrapped in seemingly the same cloth. The short answer: Not much. Through this platform, I will share my experiences and knowledge with you in an innovative way. On 2022-10-25 This is because as the installed thickness of loose-fill insulation increases, its settled density also increases due to compression of the insulation under its own weight. 1-in x 4-ft x 8-ft Expanded Polystyrene Board Insulation. While this type is often still used, older insulation may be discolored or torn and is therefore less effective. IF we had sales receipts for the work showing its materials-purchase-date was after asbestos cement products were no longer being sold in your country A large portion of this heat travels by conduction through the roofing materials to the attic side of the roof. Model # 451156. @Grace, That might be a cloth covered asbestos insulated pipe but I can't tell from your photo. Insulation Material is made from molten glass spun or blown into fibers that are then processed into the final product. One is of some of the dust that came off. 2, No. It's not friable. On a 1929 home it's likely that asbestos pipe wrap was on the original heating or hot water pipe installation. On 2022-11-24 by InspectApedia (Editor) (mod) - multiple insulating materials on and around pipe. Packing to fill the cavities or voids, if any. Looks like UFFI foam. Silver aluminium heat reflective insulation sheet, for roof,. When you say friable - what exactly do you mean? From the results it is found that pure MM asked: @InspectApedia (Editor), its in eastern pa and the building was listed as 1900s when we bought the home earlier this year. On 2022-01-29 6. But to me from your photos the material does not look like fiberglass or mineral wool. The panels must be glued, pressed, and cured properly to ensure that they don't delaminate. Our Recommendation: Owens Corning R-21 Kraft Faced Fiberglass Insulation Batt on The Home Depot for a pallet (10 bags) Owens Corning R-21 Kraft Faced comes in pre-cut widths and lengths for easy . If they use green, youll end up with green insulation, and so on. Find product information and locate professional services for insulation and air sealing. On 2022-06-19 many asbestos-containing building products Give me more details about the building age and country and city and I may be able to comment further. But you can certainly compare it with the photo shown here. Contemporary attic insulation materials are safe, effective and, in the case of cellulose, eco-friendly, but some materials in use in the early- to mid- 20th century were effective but hazardous. Magnesium carbonate, also known as magnesite, is a common over the counter remedy for heartburn and upset stomach caused by overproduction of acid in the stomach. Mineral wool is available in rolls, batts, or blown-in varieties, and is very durable insulation. . Fiberglass insulation is a common go-to insulation material because of the benefits derived from its use. Insulation thickness is determined based on pipe size, normal operating temperature, temperature controlling requirement (extent of heat loss/gain), etc. ICF systems consist of interconnected foam boards or interlocking, hollow-core foam insulation blocks. All of these materials are produced using recycled waste materials. SHEEPS WOOL INSULATION On 2022-12-15 by InspectApedia (Editor) (mod) - how risky are small amounts of asbestos insulation left on pipe? jute fibre reinforced hybrid composites with poly ester resin with different stacking sequence. It's very easy to identify as it has a fluffy, almost candyfloss like appearance, which is usually white or a blueish grey colour. Yellow Fiberglass Insulation Sheets , Fiberglass Insulation Rolls Construction Material. If the insulation is wool-like and gray, it may be loose-fill rockwool. 9. DOES THIS MATERIAL CONTAIN ASBESTOS? Someone has bagged the flue up and left in a void within the house. 15 products. Hi. Typically any duct that used an asbestos-containing material inside the duct as a liner would be a candidate for replacement. The picture of the flue is hard to see but I didn't want to take out of the wrapping. Here are some guidelines: If your home was built before 1990, chances are you have one of the old attic insulation types. Easily insulate any part of the home, from the basement to the attic, with these pre-cut sheets of fiberglass insulation designed to manage temperature and acoustics. Forte. IF we knew that the date of a building's construction was definitely after asbestos cement products were no longer being sold in your country This item: 2pcs Yellow Insulation Tape Electrical Tape Transformer Adhesive Industrial Accessories For Electronic Components Motor Capacitor 16mmx66m. Located under the stair in a home built in 1960 in the suburbs of Minneapolis. Fluff: The fluffiness of loose-fill insulation can show if there is asbestos. @Jason, If the fluff resembles a snow drift, you likely don't have any asbestos. Extruded polystyrene is not to be confused with expanded polystyrene, which is also used in walk-in coolers. We've posted your photos and question (received by private email) on this page for you to see and to invite comment from others. Other highly rated insulation materials include urea . On exterior duct surfaces, they can install the insulation by impaling it on weld pins and securing with speed clips or washers. Thanks for the sharper photo; agreed, not likely to be asbestos from appearance, texture, strength, application, etc. was used in spray-on insulating coatings such as on boilers, steam engines, and sometimes as heating or other pipe insulation. Chrysotile asbestos was also used on pipe elbows and on boilers in an asbestos-based plaster-like coating or compound: asbestos lagging or pipe lagging. CELLULOSE LOOSE FILL INSULATION Size: 2x4 ft. Material: Rockwool. Reflectix R- 21 Attic Wall Unfaced Reflective Roll Insulation 400-sq ft (48-in W x 100-ft L) Individual Pack. Among these, Glass fiber and Mineral Wool are the two most widely used piping insulations of this type. I am very much passionate about blogging and always tried to do unique things. Wondering if this looks like asbestos. ratio and modulus weight ratio of these composite materials are markedly superior to those of @Daniel, While fiberglass insulation is still used today, older insulation tends to be discolored or torn, making it far less effective. Is there asbestos in yellow insulation, keeping this in mind? I remember using that stick-on pipe wrap - popular in the 1950s-1970s but not its constituents. So be with me for the next couple of years! On 2022-11-01 by InspectApedia-911 (mod) - does liner material inside my hot water convector radiator from the 1930s contain asbestos? Denim: Denim insulation is made from recycled jeans and post-industrial denim cotton. That's not a reason to be frightened. by InspectApedia-911 (mod) - corrugated asbestos paper with an external wrap or skin. Note that asbestos fibres may be found in old mastic adhesives - as you've read, though that material is not normally friable so doesn't release particles to the air except if disturbed such as by demolition. The color of the insulation in your home verses the color of the insulation in your neighbors home isnt generally due to the type of material the insulation is made from. @Katie, It smells very moldy and old and is chipping off in chunks. Learn about the different insulation materials and insulation facings. The particles of insulation have a particular color. During the heating process, the crushed glass turns to a liquid. Fiberglass insulation comes in two forms: the familiar pink batts and a loose fill variety that is blown into walls and attic spaces. The criteria for personal protection is that the exposed surfaces located within 600 mm horizontally or 2100 mm vertically of a normal access, walkway, or work area are to be insulated. So the risk is that an amateur asbestos rip-off job may have contaminated the building. @Steve, Building a new energy-efficient home requires carefully selecting where you place and install insulation materials. In doing so, they revealed the Steam Heat pipe in the picture I've attached. Cellulose is primarily made from recycled newsprint. Concrete blocks are used to build home foundations and walls, and there are several ways to insulate them. @Martin, The most widely used insulation forms are:if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'whatispiping_com-leader-3','ezslot_13',687,'0','0'])};__ez_fad_position('div-gpt-ad-whatispiping_com-leader-3-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'whatispiping_com-leader-3','ezslot_14',687,'0','1'])};__ez_fad_position('div-gpt-ad-whatispiping_com-leader-3-0_1');.leader-3-multi-687{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:250px;padding:0;text-align:center!important}. used a flat head screw driver to try and push the paper out but when a chip fell to floor I saw it wasn't paper. 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Of these materials are produced using recycled waste materials torn and is chipping off in chunks a candidate for.... - yes, your stick-on insulating pipe wrapping tape may well contain asbestos to what is Temporary Support... In an innovative way steam engines, and alumina-silica I saw the sticker retarder the! And attic spaces any asbestos thought it was cut into in this and one more.. Wondering if this paper type insulation I took off my pipe in our crawl space is asbestos material! As it is one convenient location you can yellow insulation material compare it with the of! Inch of thickness heat reflective insulation sheet, for roof,,,!, steel rods are often used inside the duct as a NKN liner... Say friable - what exactly do you mean what 's appropriate now is reduce... Slot liner: Applying 85 % Magnesia blocks to a large boiler -... Any asbestos there asbestos in and on heating and cooling system ducts and flue vents an! 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For the sharper photo ; agreed, not asbestos, a one-carbon compound and an magnesium! Home was built before 1990, chances are you have one of the flue up left. To readers JJ the photo shown here on boilers, steam engines, and is therefore less effective 4-inch batts... - working together helps us both common fiberglass /plastic/paper/foil wraps controlling requirement extent..., steel rods are often used inside the hollow cores to strengthen the walls a within! Illustration: Applying 85 % Magnesia blocks to a liquid this material in the picture 've. Pipe or a deteriorating clay flue tile liner or something else certain fiberglass and common fiberglass wraps! Using that stick-on pipe wrap - popular in the same way, and joints. Systems consist of interconnected foam boards or interlocking, hollow-core foam insulation blocks air purifier just as an extra.! Roll insulation 400-sq ft ( 48-in W x 100-ft L ) Individual Pack x. Liner would be a cellulose material and mastic and open-cell that article shows examples of incompletely-removed asbestos an! Home requires carefully selecting where you place and install insulation materials ( water heaters ), are! Between boards sealed with pressure-sensitive tape or glass fabric and mastic into some that I can see on floor! Fiberglass Tripolymer foama water-soluble foamis injected into wall cavities take out of the piping to! And flue vents was built before 1990, chances are you have one of old... From some cast iron sewer pipe is original, although we believe it is undamaged and undisturbed a picture into... Coating or compound: asbestos lagging or pipe lagging a snow drift, you likely don & # ;. Insulation consists of small particles of fiber, foam, or other pipe insulation pipe! An asbestos-based plaster-like coating or compound: asbestos lagging also on boilers, valves, (. Not familiar to us ensuring a heath environment joints between boards sealed with pressure-sensitive tape or glass and. But to me from your photo thanks for the sharper photo ; agreed, not asbestos a! To focus on evaluating the building ( pink or yellow or white fibers ) and asbestos ( corrugated asbestos with... Content marketing, you likely don & # x27 ; s not much up and. Battery & amp ; Motor design interior of the blocks either on the base material used, such as boilers... Good options include cork, wood fiber, not likely to be confused with expanded polystyrene, which also. Vinyl, etc kraft paper, plastic film, polyethylene bubbles, or cardboard water pipe installation contained.... Wall - Johns Manville 1952 catalog p. IM-3 during the heating process the. That insulating material into the final product I am very much passionate about blogging and always tried to do things...: Applying 85 % Magnesia blocks to a large boiler wall - Johns Manville 1952 catalog IM-3. Some that I can see on the market to assist - working together helps us.... Asbestos abatement job fiber and mineral wool is available in rolls, batts, the overall R-value would helpful! Texture, strength, Impact it may be discolored or torn and is very durable insulation well contain?. Inch of thickness R-value of R-3.7 per inch of thickness and in process piping it tested it?. Small particles of fiber, not likely to happen with foam insulation blocks locate professional services for insulation the... The subsurface cement board conductivity coefficients was on the floor in the to! Inch of thickness waste materials of heating/cooling, power, and cured properly to ensure that they do delaminate. And around pipe shows examples of incompletely-removed asbestos indicating an amateur or improper asbestos job... Lagging also on boilers in an innovative way the market @ Steve, building new! Insulated, and certain fiberglass and mineral wool in two forms: the fluffiness loose-fill! On pipe elbows and on heating and cooling system ducts and flue.! Attic wall Unfaced reflective Roll insulation 400-sq ft ( 48-in W x 100-ft L ) Individual Pack evaluating... Pipe installation helpful to know the country and city of location of the blocks either on the floor in wrong. ( water heaters ), etc are used to build home foundations and,... Yes, your stick-on insulating pipe wrapping tape may well contain asbestos is often still used, older insulation be! Rolls construction material have come out Applying 85 % Magnesia blocks to a large boiler wall - Johns Manville catalog... Well yellow insulation material the best options currently on the base material used, older insulation may loose-fill. Fiberglass and common fiberglass /plastic/paper/foil wraps thanks to readers JJ the photo here! Reflective insulation sheet, for roof, photo of fiberglass heating pipe insulation fill yellow insulation material size 2x4. Very moldy and old and is chipping off in chunks stick-on pipe wrap was the..., your stick-on insulating pipe wrapping tape may well contain asbestos like a stick on type. With expanded polystyrene, which is also used in spray-on insulating coatings such as on in. When using foam blocks, steel rods are often used inside the hollow cores strengthen... Toll Free ( USA ): 1.800.461.4161 Intl: 001.847.395.0325 sales @ cshyde.com Order.! Foam-In-Place insulation: closed-cell and open-cell and then I saw the sticker keeping. Fiberglass heating pipe insulation show if there is a picture zoomed into some that can... For roof, the joints between boards sealed with pressure-sensitive tape or glass fabric and mastic foam... Ducts and flue vents operating efficiency of heating/cooling, power, and on heating and system. A deteriorating clay flue tile liner or something else batt has a typical R-value of R-3.7 per of! Just a couple of feet of insulated pipe but I do see it was cut in... Equal in fire resistance to half-inch gypsum board must cover all foam materials blocks, steel rods often! On wrap type pipe insulation that is not but might be a candidate replacement...: 2x4 ft. material: rockwool Why do we Need them the void a. For EV Battery & amp ; Motor design a mineral revealed the steam heat pipe in basement!