Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.
Different size gutters.
Gutters come in all shapes colors and prices so you can easily find a match for your style of house and budget.
Gutters are typically round shape or k style but other designs are available.
They are made from aluminum vinyl zinc copper or steel.
You should have enough gutter downspouts to effectively handle the size of your entire gutter system.
There are several different shapes and sizes of guttering one can buy choosing the correct product will depend on your needs.
Gutter downspout sizes are 3 to 6 inches.
If a roof s various drainage areas call for different size gutters go for the biggest one k style.
Common in half round gutters the 6 inch isn t the largest size gutter available but for most homes it does the job.
Gutters and gutter downspout sizes.
Then use the information below to see what size gutter you need.
This is the most common type for homes built within the past 50 years though many owners of older homes still.
5 inch 5 520 square feet.
The larger a gutter downspout the more water it can drain quickly.
Unfortunately figuring the right sizes of the gutters and downspouts for your roof involves some head banging mathematical formulas.
They can be 4 5 or 6 inches.
6 inch 7 960 square feet.
There is so much to consider when choosing new gutters including shape material and cost.
However 7 and 8 inches are available although the larger sizes are more suitable.
K style rain gutters somewhat resemble the letter k when viewed from the side.
When you are completing a gutter replacement the first point to note is that gutters come in different sizes.
However too large a gutter downspout can look unattractive.
Here s how to choose the best gutters for your home.
Then use the chart below to see what size gutter you need.
If you are worried you will need a larger gutter than the standard 6 inch it s important to talk to your roofer about your maximum rainfall intensity the pitch of your roof and the drainage area square footage.
Is your current set up unable to cope with heavy rain.
Downspouts also come in different sizes such as 2 3 inches and 3 4 inches in size.
5 inch 5 520 square feet.
Does your gutter overflow even though it s not blocked.
5 inches and 6 inches gutters are the most common sizes installed for residential use.
But don t overlook performance and quality.
If a roof s various drainage areas call for different size gutters go for the biggest one k style.
These are all signs of a low capacity gutter.