Allegion
Terms of Use
Privacy Policy
Frequently Asked Questions
Ask your question
Entering your question as a complete sentence will provide more accurate results than keywords or phrases.
User questions
FAQs
Category List
“
thermal factors for steelcraft door
”
RELATED FAQS
Question
Answer
What causes doors and/or frames to rust?
Resolution:
Prime or painted surfaces which have been scratched or otherwise marred during installation (including field welding) and/or cleaning must be field repaired and re-primed by the installing contractor.:
What are the different door cores available?
Resolution:
The five most common cores are honeycomb, polystyrene, polyurethane, steel stiffened, and temperature rise. Honeycomb core doors are used for interior and exterior openings where high thermal...:
What causes excessive pinhole rust to start showing up on steel frames?
Resolution:
CAUTION must be used in investigating this problem - In most cases, excessive field rusting of products is caused by improper storage at the jobsite. That situation must be validated prior to refus...:
What is the difference between Panic Hardware and Fire Exit Hardware?
Resolution:
The most obvious difference (in the device) is the lack of mechanical dogging on a Fire Rated Device. There are some internal parts that may be different and the method it is secured to the d...:
What is the difference between galvanized and galvannealed steel?
Resolution:
Galvannealed and galvanized steel are zinc coated at the steel mills and are designed for rust and corrosion resistance. Both steels are passed through a hot dip coating process for rust prevention...:
What would cause an EL device to pull and release?
Resolution:
If your Von Duprin EL (solenoid) device pulls and releases quickly instead of holding the latch retracted, please check all of the items below.In most cases, one or more of these solutions will r...:
What is a U-Factor?
Resolution:
The U-Factor, R-Value and K-Thermal Rating are measurements of thermal transmission through building products. U-Factor: Overall co-efficient of heat transmission passage through a built-up panel...:
What is thermal bow?
Resolution:
Thermal Bow is a temporary condition which occurs in metal doors mainly due to the temperature differential from one side of the door to the other. This may occur in exterior doors when direct sun ...: