Recent astm e119 testing using 100 design load conditions as required by that standard conducted independently by underwriters laboratory ul and ngc testing services ngc confirm that an unprotected floor assembly constructed of 2x10s or flak jacket coated i joists do not provide equivalent performance to a floor assembly that has a gypsum wallboard membrane ceiling as.
Fire protection for microlam floor joist.
Dc5040 is a water based thin film intumescent coating providing fire resistance to i joist and engineered wood framing members.
If the suspended ceiling system is fire rated as equivalent to the fire performance of 1 2 inch gypsum on the underside of the i joist framing it is considered an alternative to the fire protection requirements in accordance with the first paragraph in the 2015 irc section r302 13 and 2012 irc section r501 3.
Tj 9001 installation guide for floor and roof framing with tji 110 210 230 360 and 560 joists.
Demonstrating equivalent fire performance.
Tj 9001p installation guide for tji 110 210 230 360 and 560 joists in punjabi language.
Csg tjcan12 simpson connector guide for trus joist products.
Can prefabricated wood i joists be used without membrane protection.
Our most versatile beam solution.
Fire protection of floors constructed with prefabricated wood i joists for compliance with the international residential code 1.
Are there established criteria by which equivalent fire performance can be.
Section r302 13 exception 4 of the 2015 irc allows other approved floor assemblies demonstrating equivalent fire performance q.
Basis of the system report n 2012 international residential code irc.