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If you are going to be attaching your awning to the eave / fascia then you will need to take three (3) measurements for us to let you know if the engineering will work so you can obtain a permit.
1) Rafter Spacing on Center: Measure from the outside of one rafter to the inside of the next rafter to get your spacing on center; usually rafters are spaced every 16 or 24 inches.
2) Rafter Size: Measure the width and height of your rafter, usually rafters are either 2" x 4" or 2" x 6".
3) Eave Projection: This is the distance out from the wall to the outside of the fascia board. When you measure this do not follow the angle of the rafter, you will want to measure straight out from the wall using a level.
Note: When attaching to the fascia you will need to place a 90 Degree clip from the rafter to the fascia board. This clip is commonly known as an A-34 clip, you will have to purchase this locally for very little expense at any Home Center. This may be a problem for you if you have a closed soffit, you have to be able to get into the back side of your fascia to install this clip or you will not be able to meet engineering and obtain a permit.
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