How To: Commercial Downspout Hatch

Gutters and downspouts frequently clog and the market for innovations seems
unlimited in the ongoing war between the need to divert rain water from roof to
ground and the reality said water will carry sufficient debris to clog
any channel designed for such efficient diversion.

The residential downspout market has a number of gizmos designed
to clear any disruption to the smooth passage of water from point A to B.
CLICK LINK HERE

Commercial fixtures, on the other hand, attempt to dominate through sheer size.
A 6 inch by 6 inch box downspout connected to a well designed roof scupper will
easily swallow many oversized leaves, tree limbs and detritus without so much
as a hiccup and discharge them to the ground.

Howsomeever, even the largest commercial downspout can run afoul of troublesome
blockage sufficient to need manual cleaning. So I was surprised to learn the
number of after market hatch type gizmos are rare and hard to find.

But no problem. A 6 inch by 6 inch metal box downspout is exactly the same size
as a 6 inch by 6 inch electrical PVC junction box which can be easily
modified into a flat base and removable plate to attach at a convenient
location on the outside metal surface of the downspout.

Here is one version in four easy steps.

1.Buy and modify a 6 inch by 6 inch PVC junction box from a local
hardware store.

2. Make an installation template from scrap plywood and attach to
the ailing downspout.

3. Cut your hole and clean out the clog.

4. Attach your new hatch cover with copious amounts of clear adhesive caulk
and an appropriate number of nuts and bolts.

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