introducing the kärcher house & siding cleaner: highly concentrated & specially formulated for cleaning houses, buildings, siding, & other structures, removes environmental dirt, grime, algae and mold — centered front-facing translucent yellow jug with handle and white cap, label shows a person using a pressure washer and a pressure washer unit; suitable for pressure washer, foam cannon or manual use, quick-rinse formula, makes up to 40 gallons of ready-to-use cleaner; often used to pre-treat exterior trim before repainting.
Kärcher House & Siding Cleaning Detergent for Pressure Washers, Highly Concentrated, Makes up to 40 gallons of Cleaner, Removes dirt, grime, algae, mold, Easy pour 1 Gallon.
Hero image 0 of Kärcher House & Siding Cleaning Detergent for Pressure Washers, Highly Concentrated, Makes up to 40 gallons of Cleaner, Removes dirt, grime, algae, mold, Easy pour 1 Gallon., 0 of 1
Karcher

Kärcher House & Siding Cleaning Detergent for Pressure Washers, Highly Concentrated, Makes up to 40 gallons of Cleaner, Removes dirt, grime, algae, mold, Easy pour 1 Gallon.

|28 ratings
Item # 990508116

Highlights

  • Highly concentrated detergent for cleaning houses, buildings, siding, and other structures
  • Suitable for pressure washer or foam cannon as well as manual use
  • Readily biodegradable and made in USA of domestic and imported material

Specifications

  • Container Size (oz.) 128
  • House & Siding Cleaner
  • 40X Concentrate
Current price is $17.99
Prices may vary in club and online
How do you want your item?

Shipping

Free for Plus on eligible orders over $50
Columbus, 43215
Return or replace anytime.
Sam's credit card
Get a $30 statement credit when you open an account and use it to make $30 in eligible Sam's Club purchases within 30 days¹.
We also recommend

Simpli-Magic Cleaning Kit with Extension Pole (5–12 ft) Duster, Cobweb Remover & Squeegee, 20 ft Max Reach for Household, RV & Car Use $59.99

Simpli-Magic Cleaning Kit with Extension Pole (5–12 ft) Duster, Cobweb Remover & Squeegee, 20 ft Max Reach for Household, RV & Car Use
current price $59.99

Simpli-Magic Cleaning Kit with Extension Pole (5–12 ft) Duster, Cobweb Remover & Squeegee, 20 ft Max Reach for Household, RV & Car Use

5 out of 5 stars
5 out of 5 Stars. 12 reviews
Sponsored

About this item

Product details

Highly concentrated detergent for cleaning houses, buildings, siding, and other structures
Effectively removes environmental dirt, grime, algae, mold, and mildew stains
Makes up to 40 gallons of ready-to-use cleaner
Quick and free rinsing formula for efficient cleaning without residue
info:
If the item details above aren't accurate or complete, we want to know about it. 

Specifications

  • Container Size (oz.) 128
  • House & Siding Cleaner
  • 40X Concentrate

Member ratings & reviews

4.9 out of 5 stars
stars
28 ratings28 reviews
Write a review
  1. 5 stars93% (26)
  2. 4 stars7% (2)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star0% (0)
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
Sort by |

Showing 1-3 of 28 reviews

Apr 23, 2026
Reviewer name: AmiNusa
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Gets the job done and smells great

Speeds up the cleaning and smells great, but not overpowering. Safe to use around plants is a big plus.

Review from karcher.com
Helpful?4M0JQ133KG7C19431568170
Apr 23, 2026
Reviewer name: AmiNusa
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Gets the job done and smells great

Speeds up the cleaning and smells great, but not overpowering. Safe to use around plants is a big plus.

Review from kaercher.com
Helpful?4M0JQ133KG7C19431568170
Oct 5, 2025
Reviewer name: nhih14_4166
5 out of 5 stars
5 out of 5 stars review

Easy to use

[This review was collected as part of a promotion.] I was skeptical at first, but wow! My siding had years of build-up, and this cleaner handled it effortlessly. I love that it’s eco-friendly and easy to rinse off. Highly recommend for anyone who wants professional-looking results without hiring someone.the scent is kinda chemically but not too strong, it is tolerance.

Review from kaercher.com
Helpful?4M0JQ133KG7C19431568170
Current price is $17.99
Prices may vary in club and online
How do you want your item?

Shipping

Free for Plus on eligible orders over $50
Columbus, 43215
Return or replace anytime.

Related pages