Metal Building Insulation Door and Windows General FAQs
Q: What two items are critical during the installation of ANY steel door?
A: The Door must be plumb and square
Q: What are the two adjustments on a commercial door closer?
A: Sweep Speed & Latch Speed
Q: What three items are adjustable on your pre-assembled steel door system?
A: Hinges, weatherseal and sweep
Q: What components are necessary to make a 6070 steel double door active?
A: Two closers, two panic devices and a removable mullion
Pre-Assembled Fire-Rated Doors
Q: What are Therm-All’s standard fire doors rated?
A: B – Label (90 minutes)
Q: What size lite kit is available for a “B” label door?
A: 10″ x 10″ wire
Q: Can a fire-rated door have the hold open feature on the closer?
A: No. Codes require fire-rated doors to be closed and latched at all times
Pre-Assembled Existing Opening Doors
Q: What are the two header options for a masonry door?
A: 4″ and 2″
Pre-Assembled Glass Storefront Doors
Q: What type of glass is in a Therm-All glass storefront door?
A: 1/4″ tempered or 1″ IG tempered
Q: Why would you need a 10″ bottom rail in a storefront door?
A: To meet local codes
Q: Can a glass storefront door be prepped for masonry?
A: Yes
Q: What is the typical frame depth on a Knock Down door?
A: 8-1/4″
Q: Are Knock Down doors normally keyed alike?
A: No
Q: What is the standard core in a Knock Down door leaf?
A: Polystyrene
Thermal Frame Windows
Q: What fin is used with a framed opening?
A: Universal
Q: Do you get a nominal sized window when mulling two nominal sized windows together?
A: No
Q: If a window with a subframe is going between girts, what do I need to know?
A: The distance between the girts where the window is located within this space.
Q: What is a ribbon window system?
A: Fixed windows that are field mulled creating a “ribbon” of windows.
Q: Does Therm-All have a Blast Resistant window available?
A: Yes
Non-Thermal Frame Windows
Q: Are frames in non-thermal frame windows thermally broken?
A: No
Q: What three colors are available for non-thermal frame windows?
A: Mill, white and bronze
Q: What fin covers the cut edges of the wall panels on the exterior?
A: Snap-on jamb trim
Q: Can you get single glazing for non-thermal frame windows?
A: Yes
Windows for Insulated Panels
Q: What panel thicknesses can insulated panel windows go into?
A: 2″, 2-1/2″, 3″ & 4″
Q: What type of framed opening is required for insulated panel windows?
A: None is required
Q: If the insulated wall panels have “ribs”, will the window product work?
A: No
Field Issues
Q: If there are light leaks around the perimeter of the door frame, how do you address that?
A: Adjust the weatherseal
Q: Can Therm-All windows be re-glazed out in the field?
A: Yes
Q: If the door is closing too quickly, what adjustment needs to be made?
A: Adjust the sweep speed on the closer
Q: What are three things that can be done to correct a thermal bow issue on a door?
A: Paint the door white, install a canopy, or replace the door leaf with either a polystyrene core or a honeycomb core
Q: If water is coming in under the threshold on a door, what was NOT done during the installation?
A: Sealed/caulked under the threshold
Talk to A Therm-All Expert!
Therm-All has been at the forefront of innovative metal building insulation solutions since 1981. We are a trusted partner of Owens Corning and the AIA, and we are a proud member of NIA, MBMA and MBCEA.