Problem Solving Forum (31)


What is the best way to judge the effectiveness of competing products offered as liquid-applied air barriers on concrete block, in terms of both durability and air barrier properties?


What criteria should be used in deciding between a liquid-applied and a sheet-applied air barrier?


How can I determine if my urban hospital building would benefit financially by installing a reflective roof coating on top of the current flat black roofing substrate?


How can I tell if my apartment building’s roof is suitable for installing a vegetative roof?


How do I clean off mortar smears that were allowed to cure for six months on a new architectural block building?


If the walls of single-wythe CMU with core fill insulation become saturated, can they be adequately dried out for painting? If so, how?


What is the best way to remove graffiti from the surface of historic stone masonry on a church while preserving the appearance properties of the substrate?


Do I need to pay attention to the permeability of the coating when specifying coatings for the exteriors of CMU walls?


What is the best combination of metal (for instance, steel or aluminum) and coatings for creating bright colors on public art and sculpture, considering durability, initial cost, maintenance burden, gloss, color retention and resistance to vandalism.


What is the best way to judge the effectiveness of competing products offered as liquid-applied air barriers on concrete block, in terms of both durability and air barrier properties?


How can I determine if my hospital building in Philadelphia can benefit financially from installation of a reflective roof coating on top of the current black roofing substrate on a flat surface?


In a northern climate with extreme winters, is it reasonable to consider retrofitting an air barrier to a multi-unit brick apartment building? What sort of installation strategy would be most beneficial?


What kind of surface preparation prior to coating will be effective and at the same time economical for the aluminum window frames on a large commercial office building? The aluminum was coated originally with a baked-on fluoropolymer which has lost most of its gloss. Maintenance recoating will be with an air-dry fluoropolymer.


What criteria of selection should be used in deciding between a liquid-applied and a sheet-applied air barrier?


In what type of environment is the use of a vapor-impermeable air/moisture barrier recommended? Are there guidelines or standards to help determine this?


Are there any industry standards, technical references, guidelines etc. that provide direction to an owner as to when a low-slope roof membrane (single ply, mechanically attached, white thermoplastic) should or MUST be replaced?


What criteria should be used in deciding between a liquid-applied and a sheet-applied air barrier?


Where there is likely to be ponding water, what generic type of reflective roof coating will work best, and why?


In what type of environment is the use of a vapor-impermeable air/moisture barrier recommended? Are there guidelines or standards to help determine this?


What generic types of coatings work best as liquid-applied air barriers, considering both cost and effectiveness, and what should be the dry film thickness of this system?


What is the best way to judge the effectiveness and durability of competing liquid-applied air barriers on concrete block?


What selection criteria should be used to decide between a liquid-applied and a sheet-applied air barrier?


How can I determine if my urban hospital building would benefit financially by installing a reflective roof coating on top of the current flat black roofing substrate?


How can I tell if my apartment building’s roof is suitable for installing a vegetative roof?


What is the best way to protect an exposed concrete foundation?


How can it be determined if moisture within a CMU wall is causing repeated coating failure? If so, can the source of moisture entry be accurately identified for correction?


RH probes are commonly used in concrete floors to determine moisture content. Can they be used in CMU walls or pre-cast walls?


When is it necessary to install sealant between the base of building walls and concrete sidewalks or pavement to prevent moisture from wicking up the wall? How does the climate affect this decision?


In a northern climate with extreme winters, is it reasonable to consider retrofitting an air barrier to a multi-unit brick apartment building? What sort of installation strategy would be most beneficial?


What generic types of coatings work best as liquid-applied air barriers, considering both cost and effectiveness, and what should be the dry film thickness of this system?


In what types of climates and/or environments is the use of a vapor-impermeable air/moisture barrier recommended as opposed to a vapor-permeable system? Are there guidelines or standards that can help determine this?


 
 
   

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