1 Hour Fire Rated Shaft Wall Assembly

Some architects fire protection engineers ahj and occupancies now require each fire rated assembly to be labeled above removeable ceilings and in unfinished spaces as this one is labeled 1.

1 hour fire rated shaft wall assembly.

Ul design u499 w419. Sw 106 1 hour shaftwall with deflection track. See photos of 100s of finished projects from across the globe. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies.

Type of assembly required assembly rating hours minimum fire door fire assembly fire rating. Estimated range of acoustical performance is based on laboratory test data of similarly constructed assemblies. For testing requirements see section 715 4 3. Elements of buildings the fire resistance rating classifies the ability of an assembly to confine and isolate fire within a zone comprised of fire resistance rated walls ceiling and floor assemblies.

Two doors each with a fire protection rating of 1 1 2 hours installed on opposite side of the same opening in a fire wall shall be deemed equivalent in fire protection rating to one 3 hour door. Fire safety caution passing a fire test in a controlled laboratory setting and or certifying or labeling a product as having a one hour two hour or any other fire resistance or protection rating and therefore as acceptable for use in certain fire rated assemblies systems does not mean that either a particular assembly system. Openings in the roof shall not be located within 4 feet 1220 mm of the fire wall. For the most up to date fire resistance ratings refer to the ul online certifications directory ul u419.

19 1 mm 3 4 thick panel can achieve a two hour fire rating with single layer construction when used with mineral wool insulation in steel framed walls ul ulc classification as to fire resistance surface burning characteristics and. The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels. Find the right steel studs limiting heights and spans and fire rated assemblies for your shaft walls. The lower roof assembly within 4 feet 1220 mm of the wall has not less than a 1 hour fire resistance rating and the entire length and span of supporting elements for the rated roof assembly has a fire resistance rating of not less than 1 hour.

Usg provides resources here for our ul wall assemblies for seamless integration into any construction project.