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Specialty Doors / Built to size

Arch-Top Storm Doors

Arch-top storm doors must match both the straight legs of the opening and the curved head. Width and overall height are not enough; the radius, spring line and symmetry determine whether the frame follows the architecture cleanly.

  • Curve documentation. Radius, spring line, leg height and symmetry are captured instead of relying on overall dimensions alone.
  • View proportions. Half, three-quarter and full-view layouts balance glass area with lower-door protection.
  • Continuous support. The mounting surface is checked along the entire curved head, not only at the straight side jambs.
  • Template review. Complex or irregular arches can be quoted from a full-size pattern and clear opening photographs.
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How to choose arch-top storm doors

This specialty format protects arched entry doors without covering the shape with a rectangular frame. It can be planned with different glass proportions and lower-panel treatments while keeping the curved top visually centered.

Compare half-view, three-quarter-view and full-view layouts by daylight, privacy, lower protection and the way rails meet the curve. Also compare true-radius, segmental and eyebrow arches rather than treating every rounded head as the same shape.

Record width at several heights, vertical leg height to the spring line, overall center height, both diagonals and a full-size template when requested. Straight-on photographs should show a level and tape so perspective can be evaluated.

Fit starts with the mounting opening. Take three width and three height readings, both diagonals and clear photos. The measuring guide explains the complete photo and dimension set.

Build a quote request

Add the opening details you know. Final dimensions, operation and availability are reviewed before any order is approved.

Decision guide

What to settle before choosing a configuration

Curve documentation

Radius, spring line, leg height and symmetry are captured instead of relying on overall dimensions alone.

View proportions

Half, three-quarter and full-view layouts balance glass area with lower-door protection.

Continuous support

The mounting surface is checked along the entire curved head, not only at the straight side jambs.

Template review

Complex or irregular arches can be quoted from a full-size pattern and clear opening photographs.

Written dimensions

Finished size, hinge side and opening convention should be explicit before approval.

Complete scope

Glass, screen, hardware, frame and included components belong on the quote.

Buyer guide

Plan arch-top storm doors around the entry

Where this door type works

This specialty format protects arched entry doors without covering the shape with a rectangular frame. It can be planned with different glass proportions and lower-panel treatments while keeping the curved top visually centered.

What to compare before requesting a quote

Compare half-view, three-quarter-view and full-view layouts by daylight, privacy, lower protection and the way rails meet the curve. Also compare true-radius, segmental and eyebrow arches rather than treating every rounded head as the same shape.

Measurements and opening photos

Record width at several heights, vertical leg height to the spring line, overall center height, both diagonals and a full-size template when requested. Straight-on photographs should show a level and tape so perspective can be evaluated.

Installation planning

The curved frame needs continuous support around the head. Irregular trim, stone or a hand-built arch may require a prepared mounting surface. Dry-fit the complete frame and verify reveal along the curve before permanent fastening.

Care and service life

Keep the upper weather seal seated, inspect curved retainer sections and clear debris from the lower sweep. When changing inserts, support the panel evenly so it does not twist against the arched frame.

A costly mistake to avoid

Do not trace only one side of an old door and assume the opening is symmetrical. Measure both shoulders and both sides of the curve; older arches often differ enough to require a template.

What the written quote should identify

For arch-top storm doors, the final scope should identify the finished opening or frame dimensions, measurement convention, hinge side, swing, frame and panel arrangement, glass or screen system, finish, hardware preparation, included accessories, delivery method and installation responsibility. If a choice affects fit, operation, appearance or later service, it belongs in the written document rather than an assumption made from the illustration.

How to compare two configurations fairly

Place the options side by side and normalize the components before comparing the total. One configuration may include a screen, closer, handle set, retainer, pairing hardware or specialty frame that another leaves out. Also compare the work expected at the opening: trim repair, subframe, anchors, sealant, removal, unloading and disposal can change the real project cost even when the door descriptions sound similar.

Configuration images are planning illustrations. The approved written quote defines the final dimensions, components, finish and hardware.

Questions

Arch-Top Storm Doors FAQs

What measurements define an arch?

At minimum: width, straight-leg height to the spring line, overall center height and enough points or a template to describe the curve.

Are all arched doors a half circle?

No. Segmental, elliptical, eyebrow and irregular arches can look similar in a photo but require different geometry.

Can I use the old storm door as a template?

Possibly, if it fit correctly and has not distorted. The opening itself should still be measured and photographed for confirmation.

Can an arch-top storm door have a screen?

Many configurations can incorporate a screen or seasonal insert, but panel shape and retention should be identified in the quote.

Why is a full-size template useful?

It captures small asymmetries and complex curves that a width, height and single radius cannot describe reliably.

Send the opening, the swing and the way the door needs to work.

Build a quote request, add useful photos and confirm the complete scope in writing.

Add arch top details