Microlam Floor Joist Fire Restiant

Tj 9510 installation guide for floor and roof framing with tji s31 s33 and s47 joists east canada.

Microlam floor joist fire restiant. 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. Charring fire performance ignition laminated veneer lumber lvl 1. Introduction fire is one of the most unpredictable and dangerous accidents that may occur in our environment. However test results are available which show a system with 2 10 floor joists spaced 16 inches on center with 23 32 sheathing above will last from 5 to 7 minutes in a fire while a 12 inch deep floor truss system spaced 24 inches on center will last 10 minutes 12 seconds.

All of this concern is due to fire resistance issues. Our most versatile beam solution. Download the fire resistant solution for unfinished wood floor and ceiling open joist triforce relies on more than 30 years of know how and represents the ultimate of all qualities that have made the well known reputation of its predecessor open joist 2000. They must install inch gypsum board or 5 8 inch structural panel or an equivalent to the floor system s underside.

Trees are a remarkable resource that when managed responsibly can meet a wide range of fundamental needs for people and the planet for generations to come. Microllam lvl should only be used in dry interior use applications and should not be pressure treated. Concrete one of the most common building materials is also an excellent fire resistant material it is noncombustible and has low thermal conductivity meaning that it takes a long time for fire to affect its structural load bearing ability and it protects from the spread of fire. Boise cascade bci ajs i joists drop in drywall fire protection.

Gypsum drywall ceilings nailed to ajs or bci joists provide about 3x longer fire resistance than 2 10 dimension lumber joists not covered by gypsum. Tj 9001 installation guide for floor and roof framing with tji 110 210 230 360 and 560 joists. Microllam lvl is engineered from large sheets of veneer laminated together to form a rectangular beam product. View kuiken brothers drywall stock chart.

Csg tjcan12 simpson connector guide for trus joist products. 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. Lvl is not suitable for the pressure treatment process due to material density and glue lines. Drop in drywall fire protection with easy access to plumbing heating and electrical.