Inspiration2 min
Les murs 2x6 répondent à plusieurs objectifs
Dans de nombreux climats, les codes obligent la construction résidentielle à utiliser des murs de 2x6 et une isolation plus dense comme la laine minérale. En même temps, de nombreuses maisons sont sans ligne de lot, ce qui nécessite une résistance au feu supplémentaire lorsqu’elles se trouvent à 10 pieds ou moins d’une maison adjacente. Si l’on ajoute à cela la nécessité d’un mur structurel capable de résister aux forces sismiques et aux vents violents, nous avons de sérieuses exigences en matière de mur.
The Intertek-listed LPB/WPPS 60-01 2x6 exterior load-bearing wall assembly helps meet these demands and achieves three major objectives: fire code compliance, sound reduction and higher R-values than most 2x4 assemblies. According to a recent study by Home Innovation Research Labs, more than 40 percent of all exterior walls in new single-family construction now use 2x6 assemblies—more than a 10 percent increase in the last decade.
This assembly uses LP® FlameBlock® Fire-Rated Sheathing to meet fire codes for zero-lot-line construction where walls are close to the property line. A 2x6 stud creates 5½-inch wall depth to accommodate more insulation. The extra space offers many advantages. Using mineral wool insulation in a 2x6 wall assembly increases the Sound Transmission Class (STC) rating compared to standard fiberglass insulation. This means that less outdoor noise penetrates the wall. Plus the additional mineral wool insulation in 2x6 assemblies can also achieve an R-value of 23 compared to the typical R-15 in 2x4 walls.
Installing 2x6 exterior walls makes a lot of sense in cold-weather regions and urban infill applications. Homeowners get the triple benefit of fire code compliance, greater energy savings and less outdoor noise intruding into the living space.
Find out where you can purchase fire-rated OSB sheathing for 2x6 wall assemblies.
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