How Far Should Gutter Downspout Extend From House

Use a splash block.
How far should gutter downspout extend from house. Thankfully downspout extenders are cheap. How far should a downspout extend from the house. I wanted a good way to get rainwater from the roof as far away from the house as possible. Before installing gutters rainwater from the roof fell to the ground and didn t flow anywhere before soaking in to the soil hence large spring rains lead to water in the basement.
Factors like location accessibility and landscaping come into play so it s not always a clear cut answer. Then bury 4 inch diameter pvc pipe in the trench and connect it to the downspout. How far away from the house should water be diverted with a downspout. Attach this piece to the existing downspout and use a galvanized gutter elbow to attach it securely.
The brackets typically hold the gutter about 1 2 1 inch away from the fascia board if u type brackets otherwise if screw through type the gutter might be almost up to the fascia board. Downspouts should divert water 8 to 10 feet away from the foundation. Away from the house foundation. If your downspouts don t extend out you could end up with bug expensive problems.
To carry rainwater far from the house dig a shallow trench from the downspout out to daylight. The house sits in the front half of the property which is flat. To be safe aim for a 4 foot minimum extension away from a downspout. On sloped clay rich soil downspouts should extend at least three feet from the foundation.
Today s building codes generally recommend that water should be diverted 10 ft. They are also easy diy projects. On flat land the association recommends 10 feet unless the soil is very sandy in which case the extender may need to be much longer. Use a string and 1x2 stakes to lay out the trench.
The further away the water flows the safer the home. Pound in two stakes 4 feet from the house and directly in front of each downspout. When you can t extend the downspout to daylight dig trench extending 10 feet from house and line it with either perforated pvc pipe or flexible drainage pipe. A lot of homeowners wonder how far their extensions should go.
In truth some of the homes we will show you while we go house hunting together may not have adequate downspout extenders. If you have decided to use a splash block simply place it underneath the downspout. This can be accomplished with downspout extensions splash blocks or downspout drains. The back edge of the gutter should tuck up behind the dripedge if you have it otherwise the edge of the shingles should extend well over the back half of the gutter so the drips cannot get behind it and rot the fascia board.
Six to eight feet is usually adequate provided enough room exists. Tie the string to the downspout then stretch it out and around all the stakes.