1 Hr Rated Exterior Wall

GA-600-2003 5 Shaft Walls 2-HOUR.

1 hr rated exterior wall. Building System Chase Walls. As an example a wall with a fire resistance period of 2 hours and 25 minutes may only attain a fire resistance rating of 2 hours. For Exterior Walls Ratings Applicable For Exposure To Fire On Interior Face Only See Items 4 and 5 Bearing Wall Rating - 45 Min 1 1 ½ or 2 HR.

Click the link above each design number below represents a James Hardie 1 hour Fire Resistive Wall Assembly. These wall assembly files are used for planning and estimation purposes for many UL wall types such as fire-rated wall assemblies. See General Information for Fire-resistance Ratings - ANSIUL 263 Design No.

D-H-T- or D-H-T-W-60 Not Permitted 1 Not Permitted W-60 Fire Protection Other fire barriers 1 34 Maximum size tested D-H-NT-45 34 D-H-NT-45 Fire partitions. A typical one-hour wall as shown in U305 is the start point for achieving a rated wall when required at say closer than 3 to the property line or a one-hour rated exterior wall bearing assembly. The wood studs are typically protected from fire on the inside by fire-rated gypsum board which can be layered to provide the required rating.

Corridor walls permitted to have a 1 2hour fireresistance rating by Table 10201 2. U348 April 01 2013 Bearing Wall Rating 1 Hr EXPOSED TO FIRE ON INTERIOR FACE ONLY Finish Rating 23 min Load Restricted for Canadian Applications See Guide BXUV7 Design No. X524 and X530 for column protection.

My Fire Resistance Design Manual published by Gypsum Association very clearly indicates the interior of the building as the fire side for a number of 1 hour fire-rated exterior walls. 50 8 8a two hour rated exterior bearing fire wall two hour rated exterior bearing fire wall scale. Less than 1 hour.

ASTM ISO EN CANCGSB CANULC. Column Protection - See Design Nos. Rating of 1 hour.