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Air Handling
- Does the FSK (Foil-Scrim-Kraft) facer used on Johns Manville insulations comply with ASTM C 921?
- Do Johns Manville products contain asbestos?
- Does Microlite® duct wrap comply with ASTM C 553?
- Does Johns Manville manufacture a Coast Guard approved duct liner?
- Do fiber glass duct liners or duct boards release fibers into the air stream?
- Do JM duct insulations compoly with BOCA requirements?
- Do JM duct insulations comply with ICBO requirements?
- Do JM duct insulations comply with SBCCI requirements?
- Do JM duct insulations comply with the International Building Code and the International Mechanical Code?
- What does the Model Energy Code require for duct insulation?
- Can air handling ducts insulated with fiber glass duct liner or fabricated from fiber glass duct board be cleaned?
- What are MEA numbers, and do Johns Manville products have MEA numbers?
- Do Johns Manville Permacote® Linacoustic® Std. and HP duct liners comply with the requirements of UL 181?
- What is the standard to use when specifying duct liner?
- What is the density of 1”, 1 ½” and 2” Linacoustic RC™ duct liners?
- What adhesive does Johns Manville recommend for use with their duct liner?
Building Insulation
Fire
- What are the surface burning characteristics of the various JM building insulation facings?
- I need to insulate a structure that is going to be heated above ambient temperature. What are the maximum use temperatures of Johns Manville's building insulation products?
- Are Johns Manville's fiber glass building insulation products combustible?
- I need to build a wall that is rated to 1 hour. Which building insulation product will achieve this rating?
Foam
- What is the R-value per inch of Johns Manville's AP Foil Faced foam sheathing product?
- Why is the R-value per inch of polyisocyanurate foam so much greater than fiber glass?
- Which way does the foil face (reflective side) on the AP foil faced insulation need to face?
- How can I get a higher R-value in a 2x4 or 2x6 cathedral ceiling cavity space?
- Can I place two foil faced AP sheathing boards one on top of the other to achieve a greater thickness and R-value?
- What kinds of nails are used to attach foam sheathing?
- What fastening pattern (spacing for the nails) should be used when installing the foam sheathing product?
- Can Johns Manville's polyisocyanurate foam sheathing products be used as structural sheathings?
- I just purchased some Johns Manville polyisocyanurate foam and want to know why are the edges yellow? Will this have an adverse effect on the product performance?
- When installing the polyisocyanurate foam sheathing product, do the seams need to be taped? If so, what kind of tape should be used?
- Do I need to use a housewrap over the polyisocyanurate foam sheathing product?
- How do I cut the polyisocyanurate foam product?
- Can I leave Johns Manville AP foil exposed?
- What are the acoustical properties of Johns Manville AP foil faced foam?
- Your product literature states that this product can be used under a concrete slab, but not below grade. What is the correct application?
Moisture
- Which side do I install the vapor retarder on?
- Do I need to replace my building insulation if it gets wet?
Sound
- What Johns Manville products provide the best sound control?
- What are STC ratings?
- What is the STC rating of a fiber glass batt?
- What is the NRC rating of a fiber glass batt?
- How can I improve the sound control performance of a partition?
- What are CAC ratings?
- Whare are IIC ratings?
- What is airflow resistivity?
- What is the difference between a thermal fiber glass batt and an acoustic fiber glass batt?
- What effect does the facing have on the STC of a partition?
- What effect does the facing have on the NRC of a product?
- Where should the batt be placed within the floor cavity to produce the highest STC value?
- What product should I use to reduce the sound level from noise generated within a return air plenum?
- What is a flanking path?
- Can I add STC values together?
- Can I add NRC values together?
- For partition sound control applications should I purchase a product according to thickness or density?
- Can I use the Blown In Blanket System (BIBS) for sound control applications?
- Are there advantages to using steel studs vs. wood studs?
- What are resilient channels and where are they sold?
Thermal
- Do Johns Manville's building insulation products contain any recycled materials?
- What is an R-value?
- What is the final R-value of two pieces of insulation that are stacked one on top of the other?
- How can I get a higher R-value in a 2x4 or 2x6 cathedral ceiling cavity space?
- What is the density of Johns Manville's building insulation?
Codes and Standards
- Do JM duct insulations comply with the International Building Code and the International Mechanical Code?
- What does the Model Energy Code require for duct insulation?
- Does Johns Manville manufacture a Coast Guard approved duct liner?
- Do JM duct insulations compoly with BOCA requirements?
- Do JM duct insulations comply with ICBO requirements?
- Do JM duct insulations comply with SBCCI requirements?
- What are MEA numbers, and do Johns Manville products have MEA numbers?
- Do Johns Manville Permacote® Linacoustic® Std. and HP duct liners comply with the requirements of UL 181?
- Can Johns Manville insulations be used in contact with austenetic stainless steel?
Fiber Glass Insulation
- Does the FSK (Foil-Scrim-Kraft) facer used on Johns Manville insulations comply with ASTM C 921?
- Do Johns Manville products contain asbestos?
- Does Microlite® duct wrap comply with ASTM C 553?
- Do JM duct insulations compoly with BOCA requirements?
- Do JM duct insulations comply with ICBO requirements?
- Do JM duct insulations comply with SBCCI requirements?
- Do JM duct insulations comply with the International Building Code and the International Mechanical Code?
- What does the Model Energy Code require for duct insulation?
- Can air handling ducts insulated with fiber glass duct liner or fabricated from fiber glass duct board be cleaned?
- What are MEA numbers, and do Johns Manville products have MEA numbers?
- Can Johns Manville insulations be used in contact with austenetic stainless steel?
General
- Can air handling ducts insulated with fiber glass duct liner or fabricated from fiber glass duct board be cleaned?
- What are MEA numbers, and do Johns Manville products have MEA numbers?
Health and Safety
- Do Johns Manville products contain asbestos?
- Do fiber glass duct liners or duct boards release fibers into the air stream?
- Does Thermo-12® Gold insulation present a lung cancer risk due to exposure to crystalline silica?
- Can air handling ducts insulated with fiber glass duct liner or fabricated from fiber glass duct board be cleaned?
- Do Johns Manville Permacote® Linacoustic® Std. and HP duct liners comply with the requirements of UL 181?
Marine / Pipe Insulation
- Is Johns Manville’s Micro-Lok® fiber glass pipe insulation USCG certified?
- Can Micro-Lok® be used on stainless steel piping?
- Does Johns Manville’s Incombustible Microlite® Insulation pass USCG 164.009?
- Can I paint the AP or FSK surfaces of Johns Manville products such as Spin-Glas®, Microlite® duct wrap, Micro-Aire® duct board, or Micro-Flex® or Micro-Lok® pipe insulation?
Pipe Insulation
- Do Johns Manville products contain asbestos?
- Does Zeston® PVC Jacketing comply with ASTM C 921?
- Does Thermo-12® Gold insulation present a lung cancer risk due to exposure to crystalline silica?
- What are the inside and outside dimensions of Micro-Lok® pipe insulation?
- What are MEA numbers, and do Johns Manville products have MEA numbers?
- What is the density of Micro-Lok® pipe insulation?
- Can Johns Manville insulations be used in contact with austenetic stainless steel?
- What are the inside and outside dimensions of Thermo-12 Gold® pipe insulation?
- What is the weight of Thermo-12 Gold® pipe insulation?
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