Black-2pack Rain Gutter Downspout Extensions Flexible, Drain Downspout Extender,Down Spout Drain Extender, Gutter Connector Rainwater Drainage,Extendable from 21 to 68 Inches . Visit the plusgutter Store. 4.5 4.5 out of 5 stars 416 ratings.Table Of Contents. Types of Downspout Extensions. Choosing the Right Downspout Extension. Installing Downspout Extensions. Maintaining Downspout …Get free shipping on qualified Gutter Downspout Downspouts products or Buy Online Pick Up in Store today in the Building Materials Department. ... 2 in. x 3 in. x 15 in. White Vinyl Downspout Extension. Add to Cart. Compare. More Options Available $ 17. 28 (53) Spectra Metals. 2 in. x 3 in. x 10 ft. Black Aluminum Downpipe. Add to Cart. CompareMar 12, 2023 ... These gutter downspout extensions are available on Amazon - https://amzn.to/3ypOLYf (affiliate) Check out https://struggleville.net for the ...As with gutters, a downspout’s capacity must match or exceed the expected runoff. Use the chart below to figure out how many extra downspouts you need. Adding a 2 by 3 rectangular downspout, for instance, boosts your gutter’s capacity by 600 square feet of drainage area. Rectangular. 2 by 3 inches = 600 square feet; 3 by 4 inches = 1,200 ...Nov 16, 2022 ... I used long sections of PVC pipe large enough to fit over the downspouts. They pop off an on easily for mowing the lawn. Get free shipping on qualified Aluminum, Downspout Extension Downspouts products or Buy Online Pick Up in Store today in the Building Materials Department. Black in Downspouts. PVC in Downspouts. Aluminum in Gutter Systems. ... Stealth Flow 24 in. Black Vinyl Low Profile Downspout Extension only. Add to Cart. Compare $ 4. 70 Nov 16, 2022 ... I used long sections of PVC pipe large enough to fit over the downspouts. They pop off an on easily for mowing the lawn.1-48 of 562 results for "gutter downspout extender" Results. Price and other details may vary based on product size and color. Best Seller. White-2pack Rain Gutter Downspout …Aug 7, 2019 ... To be safe, aim for a 4-foot minimum extension away from a downspout. Use longer extensions to make sure you're getting all that water away from ... Amerimax Home ProductsFlex A Spout 55 in. Brown Vinyl Downspout Extension. Add to Cart. Compare. Best Seller. More Options Available. $867. ( 8695) Model# 85010. 4 Pack Gutter Downspout Extensions,Rain Gutter Downspout Splash Block,Downspout Diverter,Down Spout Drain Extension,Gutter Splash Prevention Device for Cement Floor Lawn Ground (Black) 4.5 out of 5 stars. 2. $35.99 $ 35. 99. 5% coupon applied at checkout Save 5% with coupon. FREE delivery Tue, Mar 5 plusgutter Green-2pack Rain Gutter Downspout Extensions Flexible, Drain Downspout Extender,Down Spout Drain Extender, Gutter Connector Rainwater Drainage,Extendable from 21 to 68 Inches. 4.5 out of 5 stars 428 Get free shipping on qualified Downspout Extension Downspouts products or Buy Online Pick Up in Store today in the Building Materials Department.Find Downspout extension Traditional downspouts & components at Lowe's today. Shop downspouts & components and a variety of building supplies products online at Lowes.com. ... For best roof drainage capacity place a downspout for every 40 Ft. of gutter. The 3 in. x 4 in. downspout has a drainage capacity of 464 gallons per minute and is ...gutter downspout extension. Related Products. 15 in. White Aluminum Downspout Extension. The Gibraltar aluminum downspout extension can be used to connect elbows to downspouts, as an outlet to direct …The Flex-A-Spout Downspout Extension has a rigid, corrugated design for versatility. Featuring durable vinyl construction, this extension can be buried, bent or connected to additional sections. Use this downspout extension to divert water away from the foundation or connect to drainage pipe and catch basin to control drainage.[Foundation Protection]: Use the drain extension pipe to transfer harmful rainwater to the foundation. Downspout Extensions easily extend from 21inch to ...Nov 23, 2019 ... Controlling water that drains from the roof of your home is an important part of crawlspace waterproofing. It will help to prevent standing ...How to Install Gutters in 8 Steps. 1. Snap layout lines. Mark the highest point of the gutter run on the fascia 1 ¼ inches below the metal drip-edge flashing (on the extra-wide fascia shown here, the gutter is lower down). At the other end of …Featuring durable vinyl construction, this extension can be buried, bent or connected to additional sections. Use this downspout extension to divert water away from the foundation or connect to drainage pipe and catch basin to control drainage. The flexible design easily bends and holds its shape and can be extended from 25 in. to 55 in.2 Pcs Gutter Extension Hinge, Downspout Extension Flip-Up Hinge, Easy DIY Installation on Any Size Rectangle or Square Downspout (2) (2) 4.1 out of 5 stars 86 1 offer from $9.99Downspout gutter extension should move water at least 4-6 feet away from the base of your house to protect your foundations from water damage and avoid soil run off near your house. Downspout extensions can include underground piping, on-ground extensions, decorative splash blocks and roll-out drain sleeves. ...Product Description. Extends your downspout 3' long to 6' with the Frost King Downspout Extender. Made of strong flexible material that can easily withstands the outdoor elements. Fits 2" x 3" or 3" x 4" downspouts. 5-1/2 in. wide channel directs water away from foundation. Flips up to for ease of mowing & lawn care.The extension can be buried, bent or connected to additional sections and can extend from 8 in. to 18 in. Use this downspout extension to divert water away from the foundation or connect to drainage pipe and catch basin to control drainage. This product connects 3 in. x 4 in. downspouts to 3 in. or 4 in. drainpipes.How to Install Gutters in 8 Steps. 1. Snap layout lines. Mark the highest point of the gutter run on the fascia 1 ¼ inches below the metal drip-edge flashing (on the extra-wide fascia shown here, the gutter is lower down). At the other end of …Generally speaking, there should be a downspout for every 20-30 feet of gutter. Since the gutter will extend past the corners of the house, be sure to set back the downspout locations to align with the corners. This will put them at least a few inches from the end of the gutter. Sealant should be a type made for gutters. 2pack Gutter downspout expansion Flexible, downspout gutter extension, gutter extension line, downspout expansion, downspout expansion shunt can be expanded from 21 to 60 inches (2pcs*downspout) 4. $1898. Typical: $19.98. FREE delivery Thu, Mar 21 on $35 of items shipped by Amazon. Ogutter Rain Gutter Downspout Extensions, Downspout Extender for Rainwater Drainage Flexible, Down Spout Drain Extension Pipe and Extendable from 21 to 66 Inches (2 Pack, Brown) 18. 50+ bought in past month. $2799. Join Prime to buy this item at $22.39. FREE delivery Wed, Jan 3 on $35 of items shipped by Amazon. Install downspouts every 20 to 50 feet along the gutter. The more closely downspouts are spaced along the gutter, the more water can be conducted away during peak rainstorms. Connect the end of the downspout to lateral piping made from non-perforated flexible ABS or Schedule 40 PVC pipe. Extend the lateral piping at least 5 feet from the building.Frost KingTilt n drain downspout Vinyl 72-in White Downspout Extension. Find My Store. for pricing and availability. Find 5 Inch Deep gutters & accessories at Lowe's today. Shop gutters & accessories and a variety of building supplies products online at Lowes.com.Type B 3 in. x 4 in. White Plastic Downspout Extension. Add to Cart. Compare $ 19. 93 /package (14) GutterFoam. Drain Tube (4-Pack) Add to Cart. Compare. 0/0. Related Searches. downspout splash block. rain gutter. gutter downspout extension. gutters and downspouts. stone downspouts. tan downspouts. Explore More on … The Amerimax StealthFlow 24 in. low profile extension allows you to extend water flow to your desired location for ideal distribution when used with the StealthFlow low profile downspout extension kit (model 4601). The extension is made from a durable resin with a low-profile design that disappears into your landscaping for a subtle appearance. These pair well with the K-Style gutter systems and can be enhanced with gutter guards and other accessories. These downspouts offer an affordable, reliable choice that will provide years of use. Available in 0.019 gauge (2x3 and 3x4 inches) and 0.24 gauge (4x5 inches)Clean the Downspouts . Once the roof gutters are clean, make sure the downspouts are cleared. If your downspouts have horizontal extension pipes, remove these to clear the downspouts. Take a hose and place it into the downspout from the top opening where the gutters feed into it. Have a helper turn on the water and check for downspout flow.gutter downspout extension. downspout extension. Related Products. Drain Tube (4-Pack) Looking for a way to keep mosquitoes under control this summer. Well, if you've got downspouts and downspout extenders there is an ideal breeding ground right in your backyard. Downspout extenders are a great way to direct rainwater away from your home, but ...The Flex-A-Spout downspout extension features a durable plastic construction and white color to match your home. This flexible downspout extension can be used to redirect runoff and help prevent water damage. This downspout extension fits 2 in. x 3 in. and 3 in. x 4 in. downspouts as well as 3 in. and 4 in. round downspouts.Rain gutter downspout extension lengthens the drainpipe and directs water away from the foundation ; Original solution how to decorate your gutter extension, perfectly for yard or garden decoration ; Made of Poly-Resin. The openning of the downspout is 3 …The majority of downspouts are constructed of aluminum, galvanized steel, or PVC. Following the basic downspout material rules, the downspouts must be joined to the house with a 1/4 inch pitch every 4 feet and lead to at least one downspout every thirty-five feet. Adding hanging brackets that clip into the front and rear of the downspout on the ...In this video, This Old House general contractor Tom Silva teaches host Kevin O’Connor what he needs to know about gutter downspouts, including how they work...2 in. x 3 in. x 15 in. White Vinyl Downspout Extension. Add to Cart. Compare. More Options Available $ 17. 28 (53) Model# 3DP10RTBK. Spectra Metals. 2 in. x 3 in. x 10 ft. Black Aluminum Downpipe. Add to Cart. Compare $ 3. 57 (115) ... gutter downspout extension. gutters and downspouts. stone downspouts. NAACOO 2 Pack Gutter Downspout Extensions, Downspout Extender - Rain Gutter Downspout Extension Set, 58 in + 68 in Flexible/Shapeable Drain Pipe with Splice Connector & 8pcs Screws(White) 4.5 out of 5 stars 487 When it comes to maintaining your home’s gutter system, one of the most important aspects to consider is the downspout supplies. The downspouts are responsible for directing rainwa...Product Description. The America Stealth Flow 24 in. Low Profile Extension diverts damaging rainwater away from your foundation. Fits all 2" x 3" & 3" x 4" standard residential downspouts. Snap-together design is easy to install without the use of tools. 24" Black Material: PVC Diverts damaging rainwater away from your foundation Fits all 2" x ...2 Pcs Gutter Extension Hinge, Downspout Extension Flip-Up Hinge, Easy DIY Installation on Any Size Rectangle or Square Downspout (2) (2) 4.1 out of 5 stars 86 1 offer from $9.99 And at minimum there should be one downspout for every 30 ft. of gutter. Four-inch diameter 3x4 rectangular and 4 inch round downspouts can handle the water from approximately 1200 sq. ft. of roof area. Five-inch diameter 4x5 downspout and 5 inch round downspout can handle 2000 sq. ft. of roof area. Downspout extension Downspout Front elbow Downspout side elbow Splash block Downspout connector Downspout filter Downspout diverter Downspout adapter Downspout band Downspout clip Downspout guard Vinyl Aluminum Polymer PVC Resin Galvanized steel Black White Brown Green 24 72 12 15 25 28 29 30 46 2 3.1 4.1 4.5 4.59 …Oct 4, 2014 ... Proper drainage depends on a constant gradient. These flexible pipes don't provide that. Those concentric corrugations and the flexibility ... Get free shipping on qualified Flexible Gutter Downspout/Extension products or Buy Online Pick Up in Store today. Learn why and how to extend gutter downspouts to protect your home from water damage and flooding. Compare different types of downspout extensions, such …A downspout is a drain pipe that moves water from the gutter to the ground and protects your home from water damage. You can use a downspout extension or water collector to better divert water in places that experience heavy rainfall. Downspouts need to be cleaned once or twice a year and can last up to 50 years with proper care.Fasten the Raingo gutter fittings and brackets to the fascia of the house using rust resistant screws, and then snap the gutter sections into the fittings and brackets. Use slip jo...I will walk you through 3 options for extending the downspouts and getting the water away from your home foundation. The options will increase in complexity...Plusgutter White-2pack Rain Gutter Downspout Extensions Flexible, Drain Downspout Extender,Down Spout Drain Extender, Gutter Connector Rainwater Drainage,Extendable from 21 to 68 Inches. $32.99 $ 32. 99. Get it as soon as Thursday, Dec 28. In Stock. Sold by plusgutter and ships from Amazon Fulfillment. +These pair well with the K-Style gutter systems and can be enhanced with gutter guards and other accessories. These downspouts offer an affordable, reliable choice that will provide years of use. Available in 0.019 gauge (2x3 and 3x4 inches) and 0.24 gauge (4x5 inches)Gutter Downspout Extensions Guide. A gutter system is a critical part of keeping your home protected from damage. It collects rainwater and runoff from melting …Jul 10, 2020 ... The downspout should fit into the extension! If it's set up the other way then water leaks out of the downspout before it even has a chance to ...Downspout extension End cap Gutter guard Downspout diverter Amerimax Frost King Sweers Oatey 4 3 White Brown Off-white 3 4 Aluminum Vinyl Foam Metal Galvanized steel PVC Plastic Rubber Stainless steel Polymer Resin Concrete. 8 products in PVC Gutters & Accessories . Sort By. Sort By. Compare ... Amazon.com : HomeBuddy 2 Pack Rain Gutter Downspout Extension - Recycled Plastic Water Drain Gutter Downspout Splash Block, 24 Inches Rain Drain Diverter from Recycled Plastic Gutter Extension - Screws Included : Tools & Home Improvement Apr 27, 2022 · Cost to Extend Gutter Downspouts. The cost of a simple downspout extension can range from $10 to $50, depending type and size. To have these products professionally installed, it can cost between $30 and $100. For underground extensions, a DIY kit can range between $100 and $400, and to have the job professionally done, the cost is $200 to ... The Amerimax StealthFlow 24 in. low profile extension allows you to extend water flow to your desired location for ideal distribution when used with the StealthFlow low profile downspout extension kit (model 4601). The extension is made from a durable resin with a low-profile design that disappears into your landscaping for a subtle appearance.Oct 11, 2011 ... Go to channel · How To Install A Hinged Downspout Extension | Downspout Drainage Ideas. Start A Rain Gutter Business•18K views · 3:04. Go to ... Type A 3 in. x 4 in. White Plastic Downspout Extension. (28) Questions & Answers (2) +5. Hover Image to Zoom. $ 19 10. Controls water flow for efficient drainage. Prevents entry of pests and rodents into downspouts. Enhances the system's appearance with a finished look. 💎【 Upgrade Design 】: This gutter downspout extensions comes with two lengths, 19 "can be extended to 58", 21 "can be extended to 68". It comes with an auxiliary connectors, which helps you to connect two drainage pipes to reach the length you need, which will help you to solve the problem of damaged foundation, irrigating garden and so on.2 Pcs Gutter Extension Hinge, Downspout Extension Flip-Up Hinge, Easy DIY Installation on Any Size Rectangle or Square Downspout (2) (2) 4.1 out of 5 stars 88 Amazon's ChoiceFlip Your Gutter Downspout Extension Vertically When Doing Lawn & Garden Work; Mowing, Edging, Landscaping, Lawn Care, Home Improvement, & Roofing. Fits Any Size Rectangular GUTTER DOWNSPOUT EXTENSION - 3x4 & 2x3: Commercial or Residential! DIY - 60 seconds - No Skills Required - Can be Painted to Match Any Gutter Color!These pair well with the K-Style gutter systems and can be enhanced with gutter guards and other accessories. These downspouts offer an affordable, reliable choice that will provide years of use. Available in 0.019 gauge (2x3 and 3x4 inches) and 0.24 gauge (4x5 inches)Nov 23, 2019 ... Controlling water that drains from the roof of your home is an important part of crawlspace waterproofing. It will help to prevent standing ...Mar 12, 2023 ... These gutter downspout extensions are available on Amazon - https://amzn.to/3ypOLYf (affiliate) Check out https://struggleville.net for the ...NAACOO 2 Pack Gutter Downspout Extensions, Downspout Extender - Rain Gutter Downspout Extension Set, 58 in + 68 in Flexible/Shapeable Drain Pipe with Splice Connector & 8pcs Screws(White) $19.99 $ 19. 99. Get it as soon as Monday, Mar 18. In Stock. Sold by NAACOO-US Store and ships from Amazon Fulfillment. +Jamphaza 1Pack Gutter Downspout Extensions, Rain Gutters Downspout Splash Block, Down Spout Extender, Drain Gutter Guard Diverter, Black 4.5 out of 5 stars 77 1 offer from $16.99These extensions also help to control the flow of water and prevent splashes everywhere, which could cause mold and dampness in some places. 4. Use Splash Blocks at the End of Downspouts. Splash blocks (also called gutter splash guards) help to protect your lawn from damage as water flows out of the gutter drainage system.Downspout extension Downspouts components Splash block Downspouts components Brown Downspouts components Aluminum Downspouts components Vinyl Downspouts components Downspout side ... For best roof drainage capacity place a downspout for every 40 Ft. of gutter. The 3 in. x 4 in. downspout has a drainage capacity of 464 gallons per minute …How To Install A Hinged Downspout Extension | Downspout Drainage Ideas. Start A Rain Gutter Business. 5.96K subscribers. Subscribed. 17K views 1 year …Downspout extension Downspout Front elbow Downspout side elbow Splash block Downspout connector Downspout filter Downspout diverter Downspout adapter Downspout band Downspout clip Downspout guard Vinyl Aluminum Polymer PVC Resin Galvanized steel Black White Brown Green 24 72 12 15 25 28 29 30 46 2 3.1 4.1 4.5 4.59 … Automatic Drain Away Downspout Extender System. (197) Questions & Answers (13) Hover Image to Zoom. $ 9 47. Use to take water away from foundation. Extends downspouts 46 in.,fits all standard downspouts. Installs easily without tools,Polyurethane. View More Details. Featuring durable vinyl construction, this extension can be buried, bent or connected to additional sections. Use this downspout extension to divert water away from the foundation or connect to drainage pipe and catch basin to control drainage. The flexible design easily bends and holds its shape and can be extended from 25 in. to 55 in.A gutter downspout is the tube that connects to the gutter at the roof’s edge and runs down the side of your home. This allows water to efficiently flow away from your house—which goes a long way toward preventing structural damage. In fact, without downspouts, gallons of water from heavy rainfalls and melted snow and ice would … Some of the most reviewed products in Downspouts are the Spectra Metals 2 in. x 3 in. x 8 ft. Black Aluminum Downpipe with 44 reviews, and the Spectra Metals 3 in. x 4 in. x 8 ft. Black Aluminum Downpipe with 35 reviews. What's the price range for Downspouts? The average price for Downspouts ranges from $10 to $150. Get free shipping on qualified Flexible Gutter Downspout/Extension Gutter Systems products or Buy Online Pick Up in Store today in the Building Materials Department. Jamphaza 1Pack Gutter Downspout Extensions, Rain Gutters Downspout Splash Block, Down Spout Extender, Drain Gutter Guard Diverter, Black 4.5 out of 5 stars 82 1 offer from $16.99Master Mark Splash Block, Decorative Gutter downspout Extensions, Splashguard, Foundation Water Diverter, Rain Gutter Guard, Plastic 24” (2 Pack) Black 4.6 out of 5 stars 1,137 3 offers from $20.99Downspout extension Downspout Front elbow Downspout side elbow Splash block Downspout clip Downspout band Downspout connector Downspout diverter Downspout filter Downspout strainer Downspout outlet Downspout adapter Downspout guard Aluminum Vinyl Metal Galvanized steel White Brown Black Gray Off-white Silver 120 3 132 4 4.25 3 2 1.75 2.5 …Extend It, Bend It, Connect It, Bury It! Controlled drainage. Diverts water away from foundation and around trees, shrubs and decks. Can be used with 2x3 and 3x4 downspout. Expands to 54". Maintenance free! It will accommodate many angles and keep erosion from critical areas. Flex-A-Spout adapts to 4" corrugated underground drain pipe.The extension can be buried, bent or connected to additional sections and can extend from 8 in. to 18 in. Use this downspout extension to divert water away from the foundation or connect to drainage pipe and catch basin to control drainage. This product connects 3 in. x 4 in. downspouts to 3 in. or 4 in. drainpipes. The Amerimax StealthFlow 24 in. low profile extension allows you to extend water flow to your desired location for ideal distribution when used with the StealthFlow low profile downspout extension kit (model 4601). The extension is made from a durable resin with a low-profile design that disappears into your landscaping for a subtle appearance. However, the potential damage caused by overflowing gutters is not always averted with just a gutter cleaning. Gutter Downspout Extension. id=”attachment_343″ ... Automatic Drain Away Downspout Extender System. (197) Questions & Answers (13) Hover Image to Zoom. $ 9 47. Use to take water away from foundation. Extends downspouts 46 in.,fits all standard downspouts. Installs easily without tools,Polyurethane. View More Details. Please SUBSCRIBE and hit that THUMBS UP button. It really helps grow our community. MERCH IS HERE! - https://tightwaddiy.creator-spring.com/listing/tightwadd...Amerimax Home ProductsFlex A Spout 55 in. Brown Vinyl Downspout Extension. Add to Cart. Compare. Best Seller. More Options Available. $867. ( 8695) Model# 85010.
Savoy House. Price. to. $10 - $20. $50 - $100. $100 - $150. $200 - $250. Mounting Method. Screws. Screw-In Bracket. Hardwired. Compatible Bulb Type. Xenon.. What breaks down poop in toilet
AmerimaxDripper Flipper Vinyl 30-in Brown Downspout Extension. Find My Store. for pricing and availability. 6. 1. 2. 3. For plants that require more water, you can use a downspout diverter to direct the water to the area of your garden that needs the most moisture. Downspout elbows allow you to easily navigate around plants, corners and ...Savoy House. Price. to. $10 - $20. $50 - $100. $100 - $150. $200 - $250. Mounting Method. Screws. Screw-In Bracket. Hardwired. Compatible Bulb Type. Xenon. The Amerimax StealthFlow 24 in. low profile extension allows you to extend water flow to your desired location for ideal distribution when used with the StealthFlow low profile downspout extension kit (model 4601). The extension is made from a durable resin with a low-profile design that disappears into your landscaping for a subtle appearance. Downspout gutter extension should move water at least 4-6 feet away from the base of your house to protect your foundations from water damage and avoid soil run off near your house. Downspout extensions can include underground piping, on-ground extensions, decorative splash blocks and roll-out drain sleeves. ...KEEPS FOUNDATIONS DRY:Gutter Downspout extension can easily be extended from 21 Inch to 60Inch to divert unwanted stormwater away from your home's foundation when connected to a dowspout. TIDY LAWN:Enjoy a tidier lawn & yard! this affordable Downspout extender set helps prevent flooding, erosion, & expensive repairs! Fits both 2 X 3 In.and 3 X ...2 Pcs Gutter Extension Hinge, Downspout Extension Flip-Up Hinge, Easy DIY Installation on Any Size Rectangle or Square Downspout (2) (2) 4.1 out of 5 stars 88 Amazon's ChoiceJul 10, 2020 ... The downspout should fit into the extension! If it's set up the other way then water leaks out of the downspout before it even has a chance to ...Install downspouts every 20 to 50 feet along the gutter. The more closely downspouts are spaced along the gutter, the more water can be conducted away during peak rainstorms. Connect the end of the downspout to lateral piping made from non-perforated flexible ABS or Schedule 40 PVC pipe. Extend the lateral piping at least 5 feet from the building.Please SUBSCRIBE and hit that THUMBS UP button. It really helps grow our community. MERCH IS HERE! - https://tightwaddiy.creator-spring.com/listing/tightwadd...The low profile design of the extension is designed for an unobtrusive look and can be covered with mulch, straw or stones for a subtle appearance, with no digging required. It is designed to work with both 2 in. x 3 in. and 3 in. x 4 in. downspout with a simple cut line to fit the larger downspout application.gutter downspout extension. Related Products. 15 in. White Aluminum Downspout Extension. The Gibraltar aluminum downspout extension can be used to connect elbows to downspouts, as an outlet to direct …Feb 10, 2021 ... STEP 1: DIG A TRENCH · STEP 2: DISMANTLE OLD GUTTER SPOUT · STEP 3: CONNECT NEW EXTENSION TO GUTTER · STEP 4: ADJUST THE DOWNSPOUT INTO THE TR...5 inches, or. 6 inches. The most common are aluminum downspouts that run at 2″x3″ and 3″x4″ in size or 3 or 4 inches in diameter if they are round. You’ll find that most households have 3×4 inch rectangular downspouts. The following are determinants of the dimensions of your downspout: Location of house. Size of house.Aug 7, 2019 · Use longer extensions to make sure you’re getting all that water away from your home. Let’s get into the six best methods we’ve found for extending your home’s downspouts. 1. Aluminum Extension. This one’s a popular solution for a few good reasons. Aluminum downspout extensions are inexpensive, low maintenance and can be installed in ... .