1Look from above
Hook one face. Read the other.
Lay the tape straight across the wall edge. Read the number at the red mark.
Designed and made in Alberta • Made-to-order arch kits
Doorway arches · measuring guide
Measure. Enter. Done.
Find the pictures that match your kit, enter the numbers shown, and the product page calculates the rest.
Soft Corner
Enter 1 number.
Do not measure the opening width. We only need the wall thickness.
23 left + 3 right
Take 3 readings at each corner.
At the corner, along the top line, then down the side. Enter the smallest of all six.
3Type this number
Enter it on the product page.
That is all. The order card subtracts 1/8 inch automatically.
You enter4 1/2 in
− 1/8 in
We make4 3/8 in
Check that both top corners are close to 90°. Bullnose edges, strongly uneven walls or a production thickness over 8 inches need a fit review before ordering.
Configure Soft CornerFull Span
Enter 2 numbers.
First the opening width. Then the smallest wall thickness.
1Front view · opening width
Hook left. Read at the right wall.
Keep the tape horizontal at the very top. Enter the exact number; the site rounds up the product size.
2Top view · wall thickness
Hook one face. Read the other.
Repeat this at all six marked positions. Enter the smallest reading. See the six positions above ↑
You enter31 1/4 in
+Exact opening width
You enter4 1/2 in
→Smallest wall thickness
We calculate32 in · 4 3/8 in
Width option · production thickness
Important: never subtract from the opening width. The site subtracts 1/8 inch from wall thickness only, then rounds production thickness to the nearest eighth. The exact width you enter is also saved with the configuration.
Measure after the finished top/header is in place. Standard Full Span opening widths are 24–36 inches.
Configure Full SpanNot sure about your opening?
Ask for a fit review before ordering for an unusual opening.