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Spray gypsum-based plaster fireproofing being installed. Circuit integrity fireproofing of cable trays, using calcium silicate boards. Damaged spray fireproofing. Fireproofing is rendering something (structures, materials, etc.) resistant to fire, or incombustible; or material for use in making anything fire-proof. [1]
This is done with stainless steel chimney liners. A stainless-steel chimney flue liner protects the chimney walls from wear and tear and stops carbon monoxide leaks and other dangerous combustion product leaks. Stainless-steel chimney liners have surface and proper sizing to prevent creosote from sticking around. If the chimney already has a ...
While open-cell foams typically have R-values of 3 to 4 per inch (RSI-0.53 to RSI-0.70 per inch), closed-cell foams can attain R-values of 5 to 8 per inch (RSI-0.88 to RSI-1.41 per inch). This is important if space is limited, because it allows a thinner layer of insulation to be used.
CIPP is considered a trenchless technology, meaning little to no digging is typically required, for a potentially more cost-effective and less disruptive method than traditional "dig and replace" pipe repair methods. The liner is inserted using water or air pressure, applied via pressure vessels, scaffolds or a "chip unit".
Polyurethane is a closed-cell foam insulation material that initially contains a low-conductivity gas in its cells. [6] As a result of the high thermal resistance of the gas, spray polyurethane insulation typically has an initial R-value around R-3.4 to R-6.7 per inch. [6] In comparison, glass wool typically has an R-Value of only R-3 to R-4 ...
Weatherproofing seam between a stone chimney and a tile roof on a building in Jersey, Channel Islands. The lead flashing is seen as light gray sheets at the base of the chimney. Flashing is thin pieces of impervious material installed to prevent the passage of water into a structure from a joint or as part of a weather resistant barrier system.