Gutter Downspout Splash Block, 4 PCS Rain Gutter Guard Downspout Extensions, 16" Drain Gutter Guard Diverter Fixable Rainwater Drainage to Protect House Foundations, Foundation Water Diverter, Brown
Gutter Downspout Splash Block, 4 PCS Rain Gutter Guard Downspout Extensions, 16" Drain Gutter Guard Diverter Fixable Rainwater Drainage to Protect House Foundations, Foundation Water Diverter, Brown
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Gutter Downspout Splash Block, 4 PCS Rain Gutter Guard Downspout Extensions, 16" Drain Gutter Guard Diverter Fixable Rainwater Drainage to Protect House Foundations, Foundation Water Diverter, Brown

|61 ratings

Key item features

  • Foundation Protection: Designed to protect house foundations and garden landscapes from rainwater impact, preventing standing water, erosion, and lawn destruction.
  • Optimized Drainage: Features a 15-degree slope and stepped-down design to improve downspout drainage, eliminate mud splashing, and reduce water flow impact.
  • Durable Construction: Made from thickened, tough plastic material, molded in one piece for enhanced robustness and durability, resisting fading, deforming, or cracking in harsh weather.
  • Universal Fit: Each diverter measures 16.3" L x 8.3" W x 2" H, making it compatible with any type of downspout outlet.
  • Secure Installation: The set includes 4 splash blocks and 8 plastic stakes, with two pre-made holes on each block for securing them to the ground to prevent movement during heavy rain or wind.
  • Enhanced Stability: Features a pattern on the diverter to increase friction, slowing down water flow, and includes options for fixation pins for added stability.
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Specs

Roof gutter accessory type, Downspout Splash BlockMaterial, PVCSize, 8.3" x 16.3" x 2"Brand, WiherColor, BrownAccessories, Fixing Screws

About this item

Product details

Package Included:

4 × Downspout Splash Block

8 × Fixing Screws


Specification:

Color: Black / Brown

Material: PVC

Size: 8.3" x 16.3" x 2"

Note: Level the ground where the gutter downspout splash block will be install, the gutter downspout splash block with plastic yard stakes to prevent it from being moved due to heavy rain.


Description:

【Function】 The downspout splash block is used to channel rainwater away from the house, preventing erosion of the foundation, soil erosion, and reducing unnecessary maintenance costs.

【Upgrade Materials】 This gutter downspout splash block is an upgraded version, with the extension device made of ultra-strong and recyclable plastic, belonging to the thickened material. Its biggest advantage is its robustness and durability. Even in harsh weather with heavy rain or snow, it will not deform, crack or fade.

【Unique Design】 The stepped-down design prevents water stains from accumulating. The 15-degree slope design helps carry away the water flow, even on flat ground, reducing the impact of water flow and helping protect the house foundation. The pattern on the downspout diverter increases friction to slow down the water flow speed and protect the house foundation.

【Strong Fixation】 Install 2 PP fixing screws, with 2 pre-made holes on each downspout splash block for the option of inserting fixation pins when necessary, to increase stability and prevent movement during heavy rain or strong winds.

【Wide Applicability】 The size of this downspout extension is 8.3" x 16.3" x 2". It can be used for any type of downspout. With 2 pre-made holes and the option of using fixation pins to prevent movement during heavy rain or strong winds. Installation is very simple, requiring only one step to complete.

  • The Downspout Splash Block and Gutter Extender is designed to protect your house foundation and garden lawn landscape from rainwater impact damage that can cause standing water and avoid lawn destruction. Downspout Splash Block.
  • It is designed with 15° slope, which is good for improving the drainage of downspouts in rainy days, eliminating mud splashing and protecting your house foundation.
  • The thickened gutter downspout splash block is made of tough plastic material, molded in one piece, not made up of splices, won't fade deform or crack in any harsh weather, sturdy and durable.
  • This downspout diverter measures 16.3 “L x 8.3 ‘W x 2 ’H, it is independent of downspout outlet size and can be used with any type of downspout
  • The set includes 4 splash blocks and 8 plastic stakes, each rain gutter downspout extension has two holes, when installing, insert the plastic stakes into the holes and secure them to the ground to prevent them from moving in heavy rain or wind.
info:
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Specifications

Roof gutter accessory type

Downspout Splash Block

Material

PVC

Size

8.3" x 16.3" x 2"

Brand

Wiher

Warranty

Warranty information

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Customer ratings & reviews

4.4 out of 5 stars
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61 ratings20 reviews
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Showing 1-3 of 20 reviews

Jun 23, 2026
Reviewer name: Felicia
Item details
Color: Brown
Sold byWiherDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Money Well Spent

Stop scrolling and purchase this. Very much worth the amount spent and sturdy. My neighbor has the brick extenders and they keep moving out of place with heavy rain . These come with nail like anchors and feel very secure in the ground.

Helpful?6QVM0WC32LFP15682723805
Oct 13, 2026
Reviewer name: JOe
Item details
Color: Brown
Sold and shipped byWiher
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Work as advertised

Helpful?6QVM0WC32LFP15682723805
Aug 3, 2026
Reviewer name: Dale
Item details
Color: Brown
Sold and shipped byWiher
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Perfect for what I needed.

Helpful?6QVM0WC32LFP15682723805
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