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Doors information


Click here for our Door & Trim Glossary of Terms

Do you install doors?
Yes. We install residential and commercial doors as well as crown, chair rail, baseboard, wainscot, closet shelving, etc, whether simple, elaborate or somewhere in between. We are licensed, bonded and insured, and have an outstanding record with the Better Business Bureau and the Arizona Registrar of Contractors. Click here for pictures and more details about our installation services.

How much does it cost to install a door?
There are many variables which contribute to pricing an installation. We recommend you contact us and let one of our knowledgeable sales reps prepare an estimate for you once you have described some of the conditions of your home or building. Or if you would prefer, we will send one of our installation experts to your home or business and assess your specific needs.

How do I know what the swing or handing is on my interior residential door?
When the door opens towards you, and the hinges are on the left, it is a left hand door.  When the door opens towards you and the hinges are on the right, it is a right hand door.

How do I know what the swing or handing is on my exterior residential door?
The swing is figured the same as for interior doors, but for security and weatherization options, we also need to know whether the door swings inside or outside the home. 

When the door opens towards you, and the hinges are on the left, it is a left hand door. If you are standing inside the home, then it is a Left Hand In Swing. If you are standing outside, then it is a Left Hand Out Swing.

When the door opens towards you and the hinges are on the right, it is a right hand door. If you are standing inside the home, then it is a Right Hand In Swing. If you are standing outside, then it is a Right Hand Out Swing.

How do I figure the handing for my door handles or levers?
Door knobs are not handed, however, most door levers are. This is done to hide the installation screws and for security reasons. After determining the swing of the door it goes as follows: 

  • A Left Hand In Swing door takes a Right Hand Lever.
  • A Right Hand In Swing door takes a Left Hand Lever.
  • A Left Hand Out Swing door takes a Left Hand Lever (i.e.- for a closet).
  • A Right Hand Out Swing door takes a Right Hand Lever (i.e.- for a closet).

I want to replace an existing door. What measurements do I need to take to ensure that I order a door that will fit my opening?
There are two ways to replace your door. You can replace the entire prehung unit (including door frame) or just the door.

We recommend replacing the whole unit because the old frame was set to the curvature of the old door. To get a new door to fit tight, flush, and with proper margins and reveals extra modification are almost always necessary. In most cases, it ends up costing just as much, if not more, to replace the slab only instead of the whole unit.

To replace the entire prehung unit, measure the height and width of your entire door opening, stud to stud, floor to header (called the rough opening). To measure accurately, you might have to remove some interior casing (molding) to see the backside of the door frame.  

For the slab only (not recommended), measure the width, height and depth on the door you are replacing - do not measure the sweep (weather seal) on the bottom of the door. Measure the width on both sides of the door, (one side may be different with a beveled edge).

How can I get my new door slab prepped for hinges, lockset and deadbolts (run-to-match)?
Although we don't usually recommend it, if you choose to replace just the slab and wish to have the door prepped for hinges, lockset and deadbolt (run-to-match), you will need to provide R&K with the following information:

  • The correct handing of your door (swing)-see above.
  • Distance from the top of the door to the top of the first hinge,
  • Distance from the top of the door to the top of the second hinge,
  • Distance from the top of the door to the top of the third hinge,
  • Distance from the top of the door to the top of the fourth hinge (for 96" doors),
  • The size of hinge you are using (width and height with hinge open),
  • The distance the hinge extends into the depth of the door (or the measurement for the amount of wood left on the edge of the door at the end of the hinge),
  • Distance from the top of the door to the center of the deadbolt,
  • Distance from the top of the door to the center of the lockset,
  • Distance from the edge of the door to the center of the deadbolt and from the edge of the door to the center of the lockset. They should be the same.
  • Caution:  Take these measurements on each door you want to replace, as they could vary from door to door.  Don't assume that the hinge and bore measurements are the same.

In addition, we recommend that you bring in the doors you are replacing so we can check the dimensions and match them to the existing door.

What is the finished opening required for bifold door?
The finished opening width for a bifold is the same as the (nominal) width of the bifold you purchase. The finished opening height of a bifold is the actual (nominal) length of the door plus 1¾". Bifold door heights have been under-cut by 1". So the height of an 80" (nominal) door is actually 79". The actual height of a 78" door is 77". For example, if you bought a 36" x 80" bifold, the finished opening would need to be 36" x 80 ¾".

How much can I trim off my bifold door?
Any trimming of your bifold doors will void the warranty.

How much can I trim off my passage door?
For Molded Panel and Flush doors, you can trim 1/8" off each edge (sides, top and bottom) without affecting your warranty. For Wood Panel, CrownTM MDF and French doors, you can trim ¼" off each side and 1" off the bottom of the door without affecting your warranty. No trimming is allowed off of the top rail.

Can I use a storm door in front of my entry door?
Storm doors can be used, but should NOT be used in conjunction with doors painted or stained with dark colors or in areas of high heat or intense sun exposure. We strongly recommend using a vented storm door which allows the trapped heat to escape, prolonging the life and not voiding the warranty of the door.

Are Wood Panel doors solid wood? If not, how are they constructed and from what materials?
Wood Panel doors have a solid construction. However, they are engineered from various materials for best performance. For example, the panels are typically made from MDF (medium density fiberboard) with wood veneer laminated to the outside surface. Stiles (vertical portions) and rails (horizontal) typically feature wood veneers laminated to edge-glued wood substrates.

What are the advantages of fiberglass over wood and steel?
Unlike wood doors, fiberglass won't crack, split or splinter. Unlike steel doors, fiberglass won't dent, rust or warp. Fiberglass also resists shrinking and swelling with temperature changes, allowing the finish to last three times longer than on a wood door. The solid polyurethane foam core offers five times greater insulation value than wood doors.

What brands and types of fiberglass door does R&K supply?
R&K supplies all types and finishes of fiberglass doors and is a distributor for Therma-Tru, Masonite, Crest, Pease, and has access to all the major lines of fiberglass through our national buying group.

How do I clean the glazing from around door-lite frame?
Remove any excess glazing sealant by first spraying with a window cleaner, rubbing alcohol or water. Use a single edge razor blade or clean putty knife to score the glazing along the edge of the frame. Holding the razor blade or putty knife at 45-degree angle, scrape glazing from the glass. Wipe remaining residue off with window cleaner or mineral spirits. Clean the frame with mineral spirits or mild detergent and water. Rinse well and allow to dry completely

Can I order a prefinished door?
Yes. Just ask us for information on the prefinished styles that are available through our distributors.

What is the warranty on my new doors?
Warranties vary by door manufacturer.  Please see the specific warranty from the manufacturer of your door by clicking here to see warranties from our preferred manufacturers.

Click here for our R&K Doors' Warranty

I feel I have a warranty claim, how do I exercise it?
Contact your salesman or call 480-892-0204 for the Door Service Manager.  We will have a service person call you to arrange for inspection and processing.

Contact us
Door Department
Email: doorinfo@randkaz.com
Phone: (480) 892-6400
Fax: (480) 497-0007

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