FAQs

Question 1

What is the standard size of eaves?

Accepted Answer

Generally, eave overhangs are slightly longer on commercial buildings than on residential ones. The standard size of eaves in New Zealand range from 300-600 mm.

Question 2

How do you calculate eave overhang?

Accepted Answer

To calculate eave overhang, you’ll need to employ the help of an expert to draw a scaled cross-section of the building, with the height of walls and windows and width/height of the eave overhang. You’ll need to draw calculated sun angles on the cross section to determine the best eave overhang.

Question 3

How wide should soffits be?

Accepted Answer

Generally, builders are used to working with soffit boards that are 10 cm x 20 cm in New Zealand. The standard width of soffit boards is 40–60 cm, which is important to cover the eaves of a building.

Question 4

Can you replace soffits without removing the fascia?

Accepted Answer

No. Fascia and soffits are often overlapping, so care must be taken when replacing soffits without removing the fascia. In most cases, the fascia holds the soffits down, meaning it will likely cause some damage if it’s not removed as well.

Eaves and Soffits

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