RainGuard™ Automatic Downspout Extensions

                                   Email Inquiry: Rainguard@RainguardUSA.com or Call: (713) 861-9797

Downspout Extension Installation

  • Step 1.

    Peel the white paper away from the back of the adhesive foam gasket strip. Press the sticky side of the foam gasket strip around the bottom of your downspout. Use the whole strip, overlapping if necessary. Caution! Bottom edge of downspout may have sharp edges, so position gasket strip slightly higher, as shown.

  • Step 2.

    Hold the open end of the Rainguard™ tube around the foam gasket strip. The spool should be resting on the ground, facing the direction you want it to unroll. The top of Rainguard™ should be no more than 16 inches above ground level, and should extend ½ inch above the top of the foam gasket strip.

  • Step 3.

    Position the releasable attachment tie (shipped in the axel of the spool) over Rainguard™ and around the center of the foam gasket strip. Tighten the attachment tie to create a secure seal. Wait for the rain, so you can watch it work!

  • Video Installation Instructions

    Optional Modifications

  • How does Rainguard™ work?

    Water rises in the downspout to about 18 inches providing the pressure to extend the Rainguard. Once extended the water level falls to about 2 inches. The 4' and 6' units have pairs of small round holes along their length to allow water to drain and the Rainguard to roll up. The 9' instead has a single set of "V" shaped valves. These relief holes / valves have a small sprinkling effect when extended but the main discharge is a 3 inch diameter flush hole on the top surface just before the spool. After the rain the unit will slowly (typically 1 to 2 hours) rewind itself as the remaining water is discharged from the relief holes / valves.

    To loosen or remove Rainguard™

    Press the release tab (in the head of the attachment tie) with a screwdriver to loosen or remove.

    Length Adjustment

    Rainguard™ can be shortened. Removal of the unit is not required. Simply roll out Rainguard™ and place a heavy object at the end to prevent re-rolling. Determine where you would like the unit to stop, and cut a new oval flush-hole (3" x 4") with a sharp knife or scissors in the outer top surface of the tube.

    Sprinkler Holes

    Rainguard™ Automatic Downspout Extensions have two small (3/32") sprinkler holes located 24 inches from the downspout, and two more holes every 7 inches along the remaining length of the unit. The sprinklers distribute water on your lawn, and also help the unit rewind by ensuring that water drains from the unit after the rain stops. Sprinkler distribution can be changed by punching more small holes in the outer top surface of the tube. If rainwater volume exceeds the sprinkler capacity, Rainguard™ will unroll past the sprinkler holes to discharge water through the large flush-hole. Our 25' Gutter Extension Tubing is designed for distance drainage, and does NOT have sprinkler holes.

    Self-Cleaning Design

    Rainguard™ is designed to self-clean during heavy rains, when water pressure expels dirt, debris and leaves from the flush hole near the spool. If you install a new roof, heavy gravel particles may accumulate and prevent Rainguard™ from retracting automatically. Simply remove the unit to wash this material out. The attachment tie can be released and reused-just press the small tab on the head of the tie.

    Winter Use

    Removal is optional, and is easily performed with the releasable attachment tie. Rainguard™ components are not adversely affected by cold, but do not attempt to move the unit if it is frozen to the ground.

    Where is Rainguard™ manufactured?

    All Rainguard™ components are manufactured in North America. Our rewinding spool is made in South Carolina, the releasable attachment ties are from Wisconsin, and the foam sealing gasket is from Pennsylvania. Other parts are manufactured in Canada, where final assembly and packaging prepare the finished product for distribution from Niagara Falls, New York.