If you aren t able to make marks use the measurement between your rafters as a guide.
Gutter board measurements.
Finally measure and add the heights from the ground to the roofline in the locations where the downspouts will go.
Measure your gutter across the top from the back where the gutter meets the home to the outer edge.
If you don t have a drip edge mark the measurements on the edge of your roof or on the fascia board itself.
This corresponds to a minimum top width of 6 inches.
Align a level with the string to check the slope.
See photos below most residential gutters will measure approximately 5 inches across the top with the actual opening being approximately 4 5 inches.
This gutter size works with large high roofs and a large volume of water.
If there is damage replace the fascia plate.
The planks of wood themselves shall be 15cm wide by 2cm thick.
Measure and record the distance from the bottom of the fascia board to this nail.
Gutters come in different sizes.
The importance of proper gutter sizing.
For a 5 inch k style gutter the square footage should be up to 5 500 sq ft and for a 6 inch k style gutter the square footage should be upto 7 900 sq ft.
To ensure comfort is preserved as long as possible the gutters must be clean.
The presence of gutters makes life in the house comfortable.
They can be 4 5 or 6 inches.
Gutter per 20 foot run.
For half rounds 5 inch should be used for up to 2500 sq feet and 6 inch for up to 3 840 sq ft.
The use of 4 x 5 downspout outlets starts at a depth of gutter of 4 5 inches.
5 inch standard k style gutter shop 5 gutterbrush.
If you are replacing an existing gutter system once the old system is removed check for rot along the fascia board.
Drive a nail at this mark and stretch a chalk line between the two nails.
Downspouts also come in different sizes such as 2 3 inches and 3 4 inches in size.
A 6 inch gutter with a 3 liter sink provides good drainage.
After you have calculated the square footage use following calculations.
For every 10 feet of gutter from this measurement and mark this distance at the low end of the gutter run.
Rafters are usually spaced 12 in 30 cm 16 in 41 cm or 18 in 46 cm apart on center.