FTRE DOOR UNDERCUT

RELATED FAQS

Question
Answer
The bottom rod of the device will accommodate a 1/4" to 3/4" door undercut per 2130 template .
For devices with bottom latches and strikes, the maximum undercut is 1/4" to ensure latching in the case of a fire. For devices approved without bottom latches and strikes, using the AFL (aux...
To determine Actual Door Size, the following values are subtracted from nominal door size (frame opening/order size) Actual Door Size: The largest measured width by height of the door leaf as m...
The 33A/35A/98/9947 will work on doors with a maximum undercut of 1/4"  and the 33A/35A/98/9948 will work with a undercut over 1/4" and up to 3/4". The 47 top and bottom latches throw 5/8" and th...
There are two main differences:The bottom latches are differentThe Von Duprin 98/9947 concealed vertical rod device covers up to 1/4" undercutThe Von Duprin 98/9948 concealed vertical rod device co...
They both use Template # 10320_c