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How much vinyl siding do I need?

Siding is sold by the square (100 sq ft). Enter the total wall length around the house.

Siding to order

16.5 squares

Boxes (2 squares each)9 boxes
Starter strip (12 ft)14 pieces
Wall area1,500 sq ft

Estimated material cost

Siding to order

16.5 x $$130 per square

$2,145

Starter strip

14 x $$8.00 per piece

$112

Estimated total$2,257

Typical store prices before tax and delivery. Change any price to match your store.

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How to measure

Measure the distance around the house and the wall height. For each gable end, measure its width and height from the top of the wall to the peak.

Tips from the field

  • A standard door is about 21 sq ft and a window about 15 sq ft.
  • Includes 10% extra. Houses with lots of corners and gables need more.

What you'll need

Vinyl sidingJ-channelOutside corner postsStarter strip

Common questions

What is a square of siding?

One square covers 100 square feet of wall.

How much extra siding should I order?

About 10% for a simple house, and more for houses with many corners, gables, and windows.

What trim goes with vinyl siding?

Starter strip at the bottom, J-channel around doors and windows, outside corner posts, and soffit and fascia trim.

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