However when a gypsum wall board ceiling is not a viable option roseburg rigidlam laminated veneer lumber lvl with a minimum cross section of 1 1 2 x 9 1 2 may.
Fire proection for microlam floor joist.
Microllam lvl should only be used in dry interior use applications and should not be pressure treated.
Are there established criteria by which equivalent fire performance can be.
The joist features 2 1 2 wide flanges for easier handling and more nailing glue surface and its uniform properties allow the joist to be installed with either flange up.
Microllam lvl laminated veneer lumber is one of the older trus joist products but is still a versatile performer in a wide range of structural applications.
Can prefabricated wood i joists be used without membrane protection.
Introduction fire is one of the most unpredictable and dangerous accidents that may occur in our environment.
2009 ibc from table 720 1 3 minimum protection for floor and roof systems the floor construction of item 21 1 1 is wood joists wood i joists floor trusses and flat or pitched roof trusses spaced a maximum 24 o c.
Of the 2012 international residential code irc and thus providing an economical layer of fire protection.
Tj 9001p installation guide for tji 110 210 230 360 and 560 joists in punjabi language.
Our most versatile beam solution.
Tj 9510 installation guide for floor and roof framing with tji s31 s33 and s47 joists east canada.
In addition to code compliant fire protection the flameblock i joist features easy installation and many product advantages.
Demonstrating equivalent fire performance.
Microllam lvl is engineered from large sheets of veneer laminated together to form a rectangular beam product.
A load bearing fire resistance test was carried out on a larger lvl beam spanning 4 m in a full size furnace following the iso 834 standard fire curve.
The provisions call for installation of inch gypsum board 5 8 inch wood structural panel or other approved material on the underside of floor assemblies of buildings constructed under the irc.
Lvl is not suitable for the pressure treatment process due to material density and glue lines.
Section r302 13 exception 4 of the 2015 irc allows other approved floor assemblies demonstrating equivalent fire performance q.
Charring fire performance ignition laminated veneer lumber lvl 1.
With 1 2 wood structural panels with exterior glue applied at right angles to top of joist or top chord of trusses with 8d nails.
Csg tjcan12 simpson connector guide for trus joist products.
Tj 9001 installation guide for floor and roof framing with tji 110 210 230 360 and 560 joists.