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2. Ductwork airtightness - Wikipedia

   en.wikipedia.org/wiki/Ductwork_airtightness

   A variety of techniques are widely used to tighten duct systems on site, including gaskets, tapes, sealing compound (mastic), internal duct lining, aerosol duct sealing. So-called "duct tapes" are often not suited for sealing ducts, which explains why, in the US, the International Energy Conservation Code (IECC) requires any tape used on duct ...

3. Duct (flow) - Wikipedia

   en.wikipedia.org/wiki/Duct_(flow)

   Automated technology exists that can seal a duct system in its entirety from the inside out using a patented process and specialized sealant. This method for duct sealing is often used in commercial construction and multi-unit residential construction. The cost associated with automated duct sealing often makes it impractical for the average ...

4. Weatherization - Wikipedia

   en.wikipedia.org/wiki/Weatherization

   Sealing air ducts, which can account for 20% of heat loss, using fiber-reinforced mastic (not duck/duct tape, which is not suitable for this purpose) Installing/replacing dampers in exhaust ducts, to prevent outside air from entering the house when the exhaust fan or clothes dryer is not in use. Protecting pipes from corrosion and freezing.

5. Sealant - Wikipedia

   en.wikipedia.org/wiki/Sealant

   Sealant. Self-leveling silicone firestop system used around pipe through-penetration in a two-hour fire-resistance rated concrete floor assembly. Sealant is a substance used to block the passage of fluids through openings in materials, [1] a type of mechanical seal. In building construction sealant is sometimes synonymous with caulk (especially ...

6. When You Need Seal A Leak, Look To These Expert ... - AOL

   www.aol.com/best-caulk-guns-213800979.html

   Made with a steel frame and heat-treated pressure rod, you won’t have to worry about cracked or bent components when pumping out polyurethane, epoxies, or mastic sealant. Additionally, the ...

7. Joint compound - Wikipedia

   en.wikipedia.org/wiki/Joint_compound

   Joint compound (also known as drywall compound, drywall mud, joint cement or mastic) is a white powder of primarily gypsum dust mixed with water to form a paste the consistency of cake frosting, which is spread onto drywall and sanded when dry to create a seamless base for paint on walls and ceilings. [1]