5 inch 5 520 square feet.
Standard gutter size nz.
According to this old house while 5 inch k style gutters and 6 inch half rounds are usually suitable for homes houses with big steep roofs or those located.
The largest plan area is area a at 38 m.
Gutter sizing guide gutter downspout sizing methodology.
Gutters will be the same size for all the roof so use the largest plan area to work out the appropriate size gutter.
This is an external gutter so using clause e1 figure 15 plot 38 40 m plan area on the.
New zealand building code clause e1 table 5.
The type of gutters you buy and the size of the gutter pieces you buy should be able to handle all the rain your home gets in a year.
Gutters come in different sizes.
They can be 4 5 or 6 inches.
It s important to note that your calculations should always be based on the size of the largest section of roof.
You can also add additional or oversized downspouts to improve drainage if necessary.
Nz s leading provider of steel roofing guttering products for residential commercial customers.
Now architects engineers designers and contractors can easily and accurately size downspouts and gutters according to the specifications in smacna s architectural sheet metal manual 7th edition 2012.
Then use the chart below to see what size gutter you need.
Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.
Gutters come in different sizes.
Gutter sizing step 1 determine roof area to be drained.
Downspouts also come in different sizes such as 2 3 inches and 3 4 inches in size.
If a roof s various drainage areas call for different size gutters go for the biggest one k style.
Made form galvsteel zincalume colorsteel.
For saf perimeter systems commercial gutter designers contractors and building owners this gutter sizing section provides 4 steps to properly size a commercial gutter downspout configuration.
New zealand building code clause e1 figure 15.
This ensures the gutter will have sufficient capacity for all other smaller roof sections on the building.
A standard 5 inch k style gutter can handle annual rainfall for a majority of houses in most of the u s.
