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To calculate the amount needed, measure the total horizontal length of all eaves around the building. This typically includes roof overhangs along the exterior walls.

Add these measurements together to get your total eave trim length. Our trim comes in 10' lengths, so round up to the nearest 10 and divide by 10 to get the amount you will need (allow for a 2" - 4" overlap).

Refer to the attached diagram and measure all areas highlighted in red, which show where eave trim is installed along the eaves.

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To calculate the amount needed, measure the total horizontal length of all eaves around the building.This typically includes roof overhangs along the exterior walls.

Add these measurements together to get your total gable trim length. Our trim comes in 10' lengths, so round up to the nearest 10 and divide by 10 to get the amount you will need (allow for a 2" - 4" overlap).

Refer to the attached diagram and measure all areas highlighted in red, which show where eave trim is installed along the gables.

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ITo calculate how much ridge cap you need, you must measure every location where roof panels come together at a peak.

This includes the main ridge at the highest point of the roof (shown in blue and red), as well as any hips (shown in green). Hips are the angled peaks where two roof sections meet and slope downward from the ridge toward the eaves.

Measure the full length of each ridge and each hip, then add all of these measurements together to determine your total ridge cap length. Our trim comes in 10' lengths, so round up to the nearest 10 and divide by 10 to get the amount you will need.

Because ridge cap pieces overlap at each joint, it’s important to allow extra material. Adding roughly 2' for each cap to your total length will account for overlaps, cuts, and minor waste and will help ensure you don’t come up short during installation.

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To calculate how much valley trim you need, identify every valley on the roof where two roof planes come together to form an inside angle.

Measure the full length of each valley, starting from the eave and continuing up to where the valley ends at the ridge or transitions into another roof section. Be sure to measure along the center of the valley, following the slope of the roof.

Add all valley measurements together to determine your total valley trim length. Our trim comes in 10' lengths, so round up to the nearest 10 and divide by 10 to get the amount you will need.

Valley trim pieces overlap at each joint, so extra material is required. Adding roughly 2' for each valley to your total length will account for overlaps, cuts, and minor waste, helping ensure a proper fit and continuous water protection.