| Measuring your replacement products is done by our qualified staff, however, if you would like to get a better idea of what you need, we have included some measuring guides below. Feel free to contact us for an in-home estimate. |
MEASURING A DOOR |
TOOLS |
INSTRUCTIONS |

|
- A metal tape measure
- something to write with
Printable Measuring Worksheet to Assist You
|
Measuring Standard Shapes:
Window measurements needed: Separate width and height measurements in inches, rounded up to the next inch. Measure from side to side for width and top to bottom for height. (See illustration)
It is possible to replace two double or single hung windows with one slider. (See illustration, far left)
Note: Tempered glass is a required by most Building Departments and should be added as an option on windows that are within 18 inches from the floor, at a stairway landing, in a bathroom tub/shower stall, or entry door side lights
Measuring Non-Standard Doors / Sections:
Contact Alsco for an at-home consultation.
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MEASURING A PATIO DOOR / GARAGE DOOR |
TOOLS |
INSTRUCTIONS |
Measure patio door from side to side,
from the INSIDE of the frame. |
- A metal tape measure
- Something to write with
Printable Measuring Worksheet to Assist You |
Patio Door measurements require only the width of the door frame in feet (See illustration)
Most doors are either 5, 6, or 8 feet wide
Standard height is 79.5 inches
Measuring Garage Doors:
Contact Alsco for an at-home consultation.
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MEASURING A WINDOW |
TOOLS |
INSTRUCTIONS |

Measure window from top to bottom, side to side,
from the INSIDE of the window and frame.
|
- A metal tape measure
- Something to write with
Printable Measuring Worksheet to Assist You |
Measuring Standard Window Shapes:
Window measurements needed: Separate width and height measurements in inches, rounded up to the next inch. Measure from side to side for width and top to bottom for height. (See illustration)
It is possible to replace two double or single hung windows with one slider. (See illustration)
Note: Tempered glass is a required by most Building Departments and should be added as an option on windows that are within 18 inches from the floor, at a stairway landing, in a bathroom tub/shower stall, or entry door side lights
Measuring Non-Standard Windows / Glass Sections:
Contact Alsco for an at-home consultation.
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MEASURING A PATIO COVER / ENCLOSURE |
TOOLS |
INSTRUCTIONS |
|
- A metal tape measure
- something to write with
Printable Measuring Worksheet to Assist You |
Measuring Standard Patio Cover / Shapes:
Patio cover measurements needed: Separate length, depth, width and height measurements in inches, rounded up to the next inch.
Determine any add-ons you might want (lighting, fans, etc)
Note: For enclosures, tempered glass is a required by most Building Departments and should be added as an option on windows that are within 18 inches from the floor, at a stairway landing, in a bathroom tub/shower stall, or entry door side lights
Measuring Patio Enclosures:
Contact Alsco for an at-home consultation.
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