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For single and double door configurations

Subtract 2" from the rough opening width and 1 1/4" from the height. This will determine the door slab size.


Let's imagine that we have measured the width of the rough opening and it equals 35"

In order to determine the width of the door slab, we first of all need to subtract 2" from the width of the opening. So where do these 2 inches actually come from?


The standard thickness of Gezit jamb is 3/4".
3/4" + 3/4" = 1 1/2" is the total thickness of 2 jambs.
And we leave the rest of the space (1/2") as technological gaps to be filled in construction foam.
So this forms the 2 inches' width that needs to be subtracted from the overall width of the opening.


35" - 2" = 33"

Now we need to determine which standard width is suitable for the 33" wide opening.
This is obviously 32".
And the remaining space will be filled width construction foam and covered with prefinished casings.


Standard width of Gezit’s casings is 3 1/2"

For barn, magic, bi-fold, bypass and pocket door systems

Please refer to the manuals provided by the hardware manufacturers.

See the picture below in order to learn how to accurately measure the size of the rough opening.

First, measure the width between the studs of the doorway three times (picture 1) and record the smallest of the three measurements.

Second, measure the height on both sides (picture 2) and record the smallest measurement.

Congratulations! You have determined the width and the height of the rough opening.


The quality solid pine frame is the basis of a strong and durable construction of Gezit doors. The width of the frame is 1 ½’’. It undergoes several drying processes in special heating cameras which keeps the wood humidity level within 8%. The frame thickness can vary from 1 9/16’’ to 1 ¾’’ depending on the door model.

Gezit doors may come with 3 types of core depending on the model, which are:

• Hollow Core (hollow doors with mdf-pannels – the most affordable version)

• Honey-comb core – solid core type (filling is honey comb cells, which grant additional lightness to the door, thus protecting the hinges from extra load and still retaining high noise reduction and thermal insulation qualities)

• Smart core – solid core type (technologically advanced, eco-friendly filling, which is a high density natural wood fiber. This type of filling provides additional durability, noise reduction and thermal insulation.)

We use high quality solid pine in production of our frames which makes them rigid and durable enough to hold a heavy 8’ solid core door slab.

Here is a basic list of issues to be specified:

1.     Types of doors: interior solid or hollow core

2.     Model name from the catalog or website and its finish colour

3.     Door size or rough opening sizes. Total purchased doors quantity and sizes

4.     Configurations (single or double / swing, bypass, pocket etc.)

5.     Types of hardware needed (lockset and handles? concealed or plain bearing hinges?)

6.     Swing directions (LHI /RHI / LHO / RHO)

7.     Additional options: smart sweep, metal strips, frameless system etc.

8.     Project lead time (when are the doors needed at the job site?)

9.     Budget

10.  Any special requirements (fire ratings, etc.)

We often hear the question – What do I get if purchasing a solid core door and why am I paying times more than for a hollow door?

The main advantages are:

- perfect sound and thermal insulation qualities, that matters.

- Solid core doors are extremely durable and resistant to external influences.

- Great chances to be delivered in a good condition and higher life time term 

- Only natural materials. Completely eco-friendly product, could be used anywhere.

- Special options available (smart-sweep, 3d concealed hinges, metal contemporary strips)

- Custom sizes and custom precut available

These are the key factors that matters and influence on the customer’s final decision

What is a Prehung Door?

Two choices are given to you when you decide to order an interior door at Gezit: slab or knocked down doorset. There are numerous differences between the two, this post is about it.
          What if I’m ordering a door slab only? You’ll get.. only a door slab. A slab does not have hardware or hinges or any precuts (if you didn’t request additionally). They are more challenging to install. Purchasing only a door slab is good when you’re up to use it with your existing frames&casings and your hardware.
          You should definitely purchase a whole knocked down doorset If you do not have an existing interior door frame or you’re purchasing the doors for a new house. If you are remodeling or building a new home knocked down doors are the most logical choice due to installation into new rough openings. You’re saving your time while ordering all parts at once.  You should also mind that Gezit doors are not coming as complete prehungs – this is done for saving the door parts during the transportation. Knocked down unit means that all door parts are predrilled and prepared for further assembly and installation.

          What if I need to order the door slab with jambs, but don’t need the casings? No problem, we can always meet your custom requests and supply you with required parts separately. However, we always recommend that you equip the door unit with our matching jambs and casings, coated with the same finishes as the door slab. Anyway, our customer’s decision is always prior– just let us know about your requirement at our online store

Glazed Gezit doors are fitted with white or dark European frosted glass of Czech production. For most glassed models, we apply special tempered glass 1/6’’ – 1/4’’ thick. Custom glazing options available, feel free to request our doors with clear glass too. Besides high firmness, it is also safe to use. Should be damaged, such glass shatters into small, smooth surfaced pellets, excluding the possibility of injury. Be always sure that Gezit glazed doors could be used in spaces with kids or high traffic areas. Another of advantages of glass panel door is simple cleaning and maintenance. You are not needed in coarse cleaning agent. Enough a wet rag and water. You can find more information in our other posts.

What about hardware and door accessories ... You can always use your handles and locksets. Just mind that European and American handles and lockset types have different sizes and parameters and its necessary to inform your sales manager about accurate kind of lockset your going to use so we can precut the door rightly before sending out. And if you already have hinges that you would like to use - let us know and we will mind it while making a quotation. Be sure that you provide us with existing hinges sizings or a link, so we will know how to precut the door slabs for its installation. In order not to be mistaken with the existing frames and hardware it is better first of all to consult with the carpenter, bearing in mind that the width of our standart door slab is 1 9/16 inches.

You always have a good selection opportunity while picking door hinges at Gezit Inc. You should know our main hinge types advantages and differences. Gezit main hinge types are: concealed hinges – 3d hinges, it’s feature is that the hinges are not visible when door is closed. 3d hinges are easy to install and allow to make more than 200 000 openings. Concealed hinges are solid and completely silent. Hidden (concealed) hinges are really reliable and it appears to be the best hinge selection. Gezit Inc uses Otlav Italian concealed hinges, manufactured in Italy, that have opening angle up to 180 degrees. Regular plain bearing hinges looks not so impressive, but are more affordable and still reliable. Regular hinges is the best selection when the prior mission is to get a reliable doorset for an affordable price.
The last type of hinges that Gezit can offer is non-mortise butterfly hinges. This is the cheapest hinges option, since it doesn’t require precut service. Butterfly hinges are mortising into the door slab with screws. It works good with cheapest hollow core doors. It’s not recommended to be used with solid core heavy doors since butterfly hinges are not reliable for solid core doors.

Practice shows that the best solution for 80”, 84” and 92 ½” doors is 2 hinges, no matter hidden or regular. For 96” or higher doors 3 hinges required.

Specific requests should always be pre-spoken in advance. Please be sure you told the manager about special features that you’d like to get. It can be: ordering a door without cutting for hinges; including standart jambs but excluding casings; special lockset details such as privacy or keyed options, using a different or specific type of finish and etc.

If you are interested in a different arrangement of moldings or the number of stripes, it is better to ask us if it is possible to produce it "according to your idea". There might be a situation when you’d need only separate parts (example – only door slab and casings). It’s always possible, but be sure you’ve informed Gezit sales ahead and then check the invoice description.

We give a 2-year warranty for all our solid core products. More information can be found here.

If you have any further dissatisfaction with the product, please contact us within 30 days of receipt in order to find a compromise. All returns must be pre-authorized in writing by Allow 25% restocking fee of invoice price for door plate orders. Customer gets charged a 50% restocking fee for any pre-hung and pre-cut door (unless the item is marked as non-returnable). All purchases of special order items are non-refundable. All returns must be in the same packaging and / or wrapped condition. If the product arrives in a damaged condition, has the right not to refund or partially compensate the buyer.

After arrival, customer should firstly inspect the cargo. If you discover any hidden damage to the cargo after the driver leaves, you should contact the shipping company to file a claim.

Gezit Inc ships nationwide in the US, we also have a possibility to deliver to Canada. It is clear that the total lead time may differ and manager is obliged to provide you with a lead time when providing with an invoice/proposal. If you made a mistake with the current delivery address, you must notify us about this within 12 hours since receiving a sales order/invoice, otherwise your good may be delivered to the wrong place or e returned back as undelivered. Additional expenses for the second shipping are on the customer.

If you find damage after arrival, please write a mark in the bill of landing and submit a claim within 48 hours to this email address: [email protected] In the subject line, include your order number and attach 3 photos of the damage. We only have 3-5 business days to file a claim with the carrier and have your product replaced on time.
Important: customer has only 48 Hours to inform about any kind of damage. If 48 hours pass and we have no information about cargo damage it means that cargo was delivered in a right condition and without damages – Gezit will handle no responsibility for replacing the damaged goods.