Custom vs Standard Sizes for Iron and Aluminum Doors

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A standard door is a sensible choice when your opening matches common dimensions and you want a simpler, faster purchase. A custom size metal door is the better option when the opening is irregular, older than current building norms, or needs a specific proportion, because it is made to the exact measurements of your wall.

What counts as a standard size

Standard doors come in a set of common widths and heights that suit typical residential and commercial openings. They are produced in larger batches, which keeps the choice simpler for buyers whose openings already fit those sizes.

Even a standard-sized door still needs checking against the actual opening, because a wall can be slightly out of square or the floor can be uneven. Treat a standard size as a starting point, not a guarantee of fit.

When a custom size metal door makes sense

A custom size metal door is worth considering when the opening is non-standard, when the wall was built to older or local dimensions, or when you want the door to align precisely with windows, railings or cladding. Renovations are a common case, since existing openings are rarely perfect rectangles.

Irregular or out-of-square openings
Special proportions for architectural design
Replacing a door in an older building

How measuring works before production

Accurate measurement is the foundation of a good result. Our process starts with an inquiry and photos, followed by an on-site measurement taken at several points across width and height so that variations in the wall are captured.

The measurements are then turned into a drawing and written specification that you review and approve before anything goes into production. This step is where most fit issues are prevented.

Iron versus aluminum for a custom door

Iron doors offer strength and a traditional, solid look, and they suit entrances where security and durability matter most. Aluminum doors are lighter, easier to handle during installation, and well suited to modern designs and glazed panels.

The right material depends on how the door will be used, its size and weight, and the style of the building. Discuss both options when you send your measurements so the choice is made with the full picture in view.

Safety and standards to keep in mind

Doors and any railings or guards attached to them should meet the applicable Israeli requirements, including the railing standard SI 1142 where relevant. Exact technical values are confirmed with the engineer for your specific project rather than assumed.

Opening widths, handle heights and clearances all affect how a door works day to day, so they should be reviewed at the specification stage.

Preparing for delivery and installation

Before installation, check that the opening is clear, the floor is finished or the threshold level is defined, and access routes for the door are free of obstacles. Knowing the final floor height matters because it affects the bottom clearance.

Once the door is fabricated and finished, installation is scheduled with you so the site is ready and the fit is confirmed on the day.

Frequently asked questions

Is a custom size metal door more expensive than a standard one?

Pricing depends on the specification, material and finish, so it is best to request a quote based on your measurements. We do not publish prices on this page.

How do I know if my opening needs a custom door?

If your opening does not match common dimensions, is out of square, or the door needs to align with other elements, a made-to-measure door is usually the better fit.

Can you measure my opening on site?

Yes. On-site measurement is part of our process, taken at several points so that wall irregularities are captured before drawing and production.

Do I approve the drawing before production starts?

Yes. You receive a drawing and written specification for approval, and production begins only after you confirm the details.

Common mistakes to avoid

The most common mistake is measuring only once or from a single point, which misses wall variations and leads to a poor fit. Ordering before confirming the final floor height and threshold is another frequent error.

Our recommendation

Measure the opening at the top, middle and bottom for both width and height, note any out-of-square corners, and send photos with the figures. Confirm the floor finish before ordering so the bottom clearance is right.

Summary

Choose a standard door when your opening fits common sizes; choose a custom size metal door when the opening is irregular or needs a precise fit. Accurate measuring and an approved drawing are what make either option work.

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