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Temporary Downspout Extension Roll 1075 ft Flexible Poly | 4" 6" Fit

Temporary Downspout Extension Roll 1075 ft Flexible Poly | 4" 6" Fit

Regular price $99.99 USD
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Temporary Downspout Extension Roll — 1075 ft Flexible Poly Drainage Tube

1075 Feet Continuous | Fits 4" and 6" Outlets | Flexible Polyethylene | Cut-to-Length | Construction and Renovation Drainage

Protect New Gutter Systems During Construction — Route Water Away Before Final Grading

New gutter installations on construction sites and major renovation projects face a timing problem: the gutter system is installed before final grading, landscaping, and hardscape work is complete. Until permanent underground drainage or splash block placement happens, water exiting the downspout has nowhere to go — it pools at the foundation, erodes unfinished grade, and saturates areas where concrete, pavers, or sod will be placed. The temporary downspout extension roll is a flexible polyethylene drainage tube sold in a 1075-foot continuous roll that allows gutter installers and general contractors to route downspout discharge away from the building during the construction phase. Cut sections to length on site, connect to 4-inch or 6-inch downspout outlets, and route water to a temporary discharge point until permanent drainage is installed.

1075 ft Continuous Roll | Fits 4" and 6" Outlets | Flexible Poly | Cut-to-Length | Ships Nationwide from Damascus, OR

Key Benefits at a Glance

1075 ft Continuous Roll

Single roll covers multiple downspout runs across an entire job site — cut sections to exact length needed without piecing together short segments or wasting material.

Fits 4" and 6" Outlets

Flexible poly material adapts to both standard residential 4-inch and commercial 6-inch downspout outlet diameters — one product covers both outlet sizes on mixed-use sites.

Flexible Routing

Polyethylene tube bends around obstacles, follows grade contours, and routes across unfinished terrain without rigid pipe fittings or fixed directional changes.

Cut-to-Length

Cut with utility knife or snips directly on site — no pre-ordering specific lengths, no returning unused sections, no waiting for custom cuts.

Built for the Gap Between Gutter Installation and Final Drainage

Gutter installers working on new construction and major renovation projects routinely install gutter systems weeks or months before final site work is complete. During this interim period, rainwater collected by the new gutters exits the downspouts with no permanent drainage path — no underground drain lines, no graded swales, no splash blocks positioned on finished hardscape. The result is pooling at foundations, erosion of unfinished grade, and saturation of areas where concrete, pavers, or landscaping will be placed. Temporary downspout extensions — also called temporary drain tubes, flex drain extensions, construction downspout hoses, and site drainage tubing — solve this problem by routing water away from the building to a temporary discharge point until permanent drainage infrastructure is installed.

This temporary downspout extension roll is a 1075-foot continuous roll of flexible polyethylene drainage tube sized to fit both 4-inch and 6-inch downspout outlets. The flexible poly construction allows the tube to bend around obstacles, follow uneven terrain, and route across active construction zones without the rigid fittings and fixed angles that solid pipe requires. Cut sections to the exact length needed for each downspout run directly on site — one roll provides enough material to cover multiple downspout locations across a full job site with minimal waste.

GutterAll in Damascus, Oregon supplies gutter installation contractors, general contractors, and construction site managers with temporary drainage solutions including this 1075-foot poly extension roll. All orders ship nationwide from Damascus. Local delivery and in-store pickup are available for contractors in the greater Portland metro area.

Product Key Specifications
Temporary Downspout Extension Roll
1075 ft Flexible Poly
1075 Feet Continuous | Flexible Polyethylene | Fits 4" and 6" Outlets | Cut-to-Length | Weather Resistant | Construction and Renovation Drainage

Stop foundation pooling before final grading is complete. Route water away now.

Add to cart — ships fast from Damascus, OR. Bulk site orders: sales@gutterall.com

Why Temporary Drainage Matters During the Construction Phase

A newly installed gutter system with no temporary drainage creates problems that show up weeks or months later. Water pooling at the foundation saturates backfill before it has fully settled, leading to foundation drainage issues after the project is complete. Erosion from uncontrolled downspout discharge cuts channels in unfinished grade that require re-grading before landscaping. Saturation of areas where concrete or pavers will be placed leads to subgrade failure and cracking. Installing temporary downspout extensions during the construction phase eliminates these problems by routing water to a controlled discharge point — a temporary retention area, an existing storm drain inlet, or a location away from active work zones. The cost of a temporary extension roll is negligible compared to the cost of re-grading eroded areas, repairing foundation drainage, or replacing failed hardscape.

Gutter Installer and Contractor Applications

Temporary downspout extension rolls address five high-frequency drainage challenges on new construction and renovation projects where permanent drainage is not yet installed:

Application The Drainage Challenge Why It Helps
New Construction — Pre-Grading Gutter system installed before final grading is complete — downspout discharge erodes unfinished grade and saturates areas where landscaping or hardscape will be placed Flexible poly tube routes water away from foundation and work areas to temporary discharge point — protects unfinished grade until final grading and permanent drainage are installed
New Construction — Pre-Hardscape Gutter system installed before driveway, patio, or walkway concrete is poured — downspout discharge saturates subgrade where hardscape will be placed Extension routes water past hardscape work zones — prevents subgrade saturation that causes cracking and settlement after hardscape is poured
Major Renovation — Gutter Replacement Existing underground drainage disconnected during gutter replacement — new gutters installed before underground lines are reconnected or replaced Temporary extension maintains water routing during renovation phase — prevents pooling and erosion while underground drainage work is completed
Foundation Waterproofing Projects Foundation excavated for waterproofing or drainage tile installation — downspout discharge would flood open excavation Extension routes water away from open excavation during waterproofing phase — protects work area and prevents excavation flooding during rain events
Landscaping and Irrigation Projects Landscape installation in progress near downspout discharge locations — uncontrolled water would wash out newly planted beds and erode fresh mulch Temporary extension routes water past landscape work zones until permanent splash blocks or buried drains are installed — protects new plantings and prevents erosion of fresh beds
Installer Insight: Gutter installers who leave temporary extensions in place until final drainage is installed reduce callback risk from erosion damage and foundation pooling complaints. The extension demonstrates proactive site protection and keeps water managed even when the installer has no control over when permanent drainage or grading will be completed by other trades.

1075 ft Continuous Roll — Why Roll Length Matters on Multi-Downspout Sites

A typical residential new construction project has four to eight downspout locations, each requiring a temporary extension run of 15 to 50 feet depending on site layout and discharge point location. A 1075-foot continuous roll provides enough material to cover an entire job site — or multiple smaller jobs — from a single roll with minimal waste. The continuous format eliminates the piecing together of short pre-cut sections, reduces material handling, and allows each extension run to be cut to exact length on site. For gutter installers adding temporary drainage to their standard new construction workflow, one roll stored on the truck covers months of job site installations.

Fits 4" and 6" Outlets — One Product for Residential and Commercial

Standard residential downspouts use 2x3-inch rectangular outlets that adapt to 4-inch round drain connections. Commercial and larger residential systems often use 3x4-inch outlets that adapt to 6-inch drain connections. This flexible poly tube accommodates both outlet sizes — the flexible material compresses or expands to seal against the outlet adapter without requiring separate SKUs for different outlet diameters. For contractors working on mixed-use sites or transitioning between residential and commercial projects, one roll handles both outlet sizes.

Flexible Polyethylene — Routing Across Unfinished Terrain

Rigid PVC or corrugated pipe requires fittings for every directional change and cannot follow uneven terrain without multiple joints. Flexible polyethylene tube bends around obstacles, follows grade contours, and routes across active construction zones without fixed fittings. This flexibility is essential on construction sites where the terrain changes as work progresses — the tube can be repositioned as grading advances, routed around material staging areas, and adjusted as the site layout evolves during the construction phase.

Weather-Resistant Construction — Temporary Does Not Mean Fragile

Temporary downspout extensions remain in place for weeks or months during the construction phase, exposed to sun, rain, foot traffic, and equipment movement. The polyethylene material resists UV degradation, does not become brittle in cold weather, and tolerates being driven over by equipment without cracking. This durability ensures the extension continues to function throughout the construction timeline without requiring replacement or repair — a temporary solution that lasts as long as the temporary drainage need exists.

Temporary vs. Permanent Drainage Solutions — Choosing the Right Product

Temporary Extension Roll (This Product)

Flexible poly tube for construction phase drainage. Routes water to temporary discharge points until permanent drainage is installed. Cut-to-length from continuous roll. Repositionable as site conditions change. Removed and discarded when permanent drainage is complete.

Best for: New construction, major renovation, any project where permanent drainage is not yet installed

Corrugated Downspout Extension

Semi-rigid corrugated poly for above-ground permanent extensions. More structured routing than flexible tube. Stays in place on finished grade. Suitable for permanent installations where buried drain lines are not used.

Best for: Permanent above-ground extensions on completed properties where buried drainage is not practical

Buried Drain Pipe (PVC or Corrugated)

Rigid or semi-rigid pipe for permanent underground drainage. Requires trenching and backfill. Connected to downspout adapters at grade level. Routes water to underground discharge points, dry wells, or storm drain connections.

Best for: Permanent underground drainage systems on completed properties with final grading in place

Contractor Guidance: Use temporary extension roll during construction and renovation phases when permanent drainage is not yet installed. Switch to corrugated extensions or buried drain pipe for the permanent installation once final grading and hardscape are complete. Temporary extensions are a construction-phase product — not a substitute for permanent drainage on finished properties.

One 1075 ft roll covers an entire job site — or months of smaller projects.

Add to cart now. Ships from Damascus, OR. Site bulk orders: sales@gutterall.com

Key Features and Gutter Installer Benefits

Feature Technical Detail Gutter Installer Benefit
Roll Length 1075 Feet Continuous Single roll covers entire job sites with multiple downspouts — cut each run to exact length needed without piecing together short sections
Outlet Compatibility Fits 4" and 6" Outlets One product handles both standard residential and larger commercial outlet sizes — no separate SKUs for different diameter adapters
Material Flexible Polyethylene Bends around obstacles and follows uneven terrain without rigid fittings — repositionable as site conditions change during construction
Cut Method Cut-to-Length On Site Cut with utility knife or snips directly on site — no pre-ordering specific lengths or waiting for custom cuts
Weather Resistance UV Stable, Cold Tolerant Remains functional throughout multi-week or multi-month construction phases without UV degradation or cold-weather brittleness
Application Type Temporary Construction Drainage Designed for construction-phase water management — protects foundation and work areas until permanent drainage is installed by other trades

Temporary downspout extension rolls — also known in the trades as temporary drain tubes, flex drain extensions, construction downspout hoses, site drainage tubing, and temporary poly drain — are the construction-phase drainage solution that gutter installers, general contractors, and site managers rely on to route water away from foundations and work areas until permanent drainage is installed. The 1075-foot continuous roll, dual 4"/6" outlet compatibility, and flexible polyethylene construction make this product the practical choice for new construction and major renovation projects where gutter systems are installed before final grading, hardscape, or underground drainage is complete. GutterAll in Damascus, Oregon stocks this 1075 ft roll and ships it nationwide. Contact sales@gutterall.com for site bulk pricing or to add temporary drainage supplies to any gutter installation order. Monday through Friday 7am to 4pm, Saturday 9am to 2pm PST.

Why Gutter Installers and Contractors Specify This Product:

  • 1075 ft Continuous Roll: Single roll covers entire job sites with multiple downspouts — months of installations from one roll
  • Fits 4" and 6" Outlets: Flexible material adapts to both standard residential and commercial downspout outlet diameters
  • Flexible Polyethylene: Bends around obstacles, follows grade contours, and routes across uneven terrain without rigid fittings
  • Cut-to-Length: Cut with utility knife or snips on site — each run cut to exact length needed without pre-ordering or waste
  • Weather Resistant: UV stable and cold tolerant — functions throughout multi-month construction phases without degradation
  • Foundation Protection: Routes water away from foundation before final grading — prevents pooling and backfill saturation
  • Grade Protection: Prevents erosion of unfinished grade that would require costly re-grading before landscaping
  • Hardscape Protection: Routes water past hardscape work zones — prevents subgrade saturation that causes cracking after pour
  • Repositionable: Flexible material allows repositioning as site conditions change during construction phase
  • Equipment Tolerant: Poly material tolerates foot traffic and equipment without cracking or breaking
  • Easy Connection: Flexible end compresses or expands to seal against downspout outlet adapters without special fittings
  • Reduced Callbacks: Demonstrates proactive site protection — reduces callback risk from erosion and foundation pooling complaints
  • Multi-Site Efficiency: One roll stored on truck covers months of new construction temporary drainage installations
  • Cost Effective: Fraction of the cost of erosion repair, re-grading, or foundation drainage remediation
  • Disposal Simple: Removed and discarded when permanent drainage is complete — no recycling requirements for poly material

Product Specifications

Product Type Temporary Downspout Extension Roll
Roll Length 1075 Feet Continuous
Material Flexible Polyethylene (Poly)
Outlet Compatibility Fits 4" and 6" Downspout Outlets
Construction Grade Heavy-Duty — Construction Site Use
Weather Resistance UV Stable, Cold Tolerant, All-Weather Performance
Flexibility Highly Flexible — Bends Around Obstacles, Follows Terrain
Cut Method Cut-to-Length with Utility Knife or Snips
Primary Application Temporary Construction Phase Drainage
Typical Use Cases New Construction Pre-Grading, Renovation Projects, Foundation Waterproofing, Hardscape Prep
Installation Type Temporary — Removed When Permanent Drainage Installed
Primary Trade Applications Gutter Installation, General Contracting, Construction Site Management
Expected Service Life Designed for temporary construction-phase use (weeks to months). Remains functional throughout project timeline until permanent drainage is installed and temporary extension is removed.
Fulfillment Options Ships nationwide | Local delivery | In-store pickup — Damascus, OR

Who Specifies Temporary Downspout Extension Rolls

Gutter Installers (Primary)

  • Providing temporary drainage on new construction gutter installs
  • Protecting foundation and grade during pre-grading phase
  • Routing water away from hardscape work zones before concrete pour
  • Maintaining water management during gutter replacement on renovation projects
  • Demonstrating proactive site protection to reduce callback risk
  • Adding temporary drainage as a standard new construction workflow step

Why it matters: Gutter installers often complete their work months before other trades finish grading, hardscape, and permanent drainage. Temporary extensions demonstrate site protection and reduce callbacks from erosion and pooling that occur between gutter installation and final drainage completion.

General Contractors and Site Managers (Secondary)

  • Managing site water control during active construction phases
  • Protecting open excavations from downspout discharge
  • Routing water away from material staging and work areas
  • Meeting erosion control requirements during construction phase
  • Coordinating temporary drainage across multiple trades
  • Protecting finished work from water damage before project completion

Why it matters: General contractors and site managers are responsible for overall site water management. Temporary downspout extensions are one component of a comprehensive construction-phase drainage plan that protects work in progress and prevents damage that delays project completion.

Setup and Application Guide — Installing Temporary Downspout Extensions

  1. Identify discharge point: Determine where water will be routed during the construction phase — a temporary retention area, existing storm drain inlet, swale, or location away from active work zones. The discharge point must be downhill from the downspout outlet or positioned to allow gravity drainage.
  2. Measure required length: Measure the distance from each downspout outlet to the discharge point, adding 2 to 3 feet for connection overlap and positioning adjustments. Route should follow terrain contours and avoid areas where equipment or foot traffic will damage the tube.
  3. Cut extension to length: Unroll the required length from the 1075 ft roll and cut with utility knife or snips. Make a clean, straight cut — a ragged cut end is harder to secure to the outlet adapter.
  4. Connect to downspout outlet: Slide the flexible poly tube over the downspout outlet adapter or round elbow. The flexible material compresses or expands to seal against 4-inch or 6-inch outlet diameters. For secure connection, wrap the joint with duct tape or secure with a hose clamp.
  5. Route across terrain: Lay the tube along the planned route to the discharge point. The flexible poly bends around obstacles and follows grade contours without rigid fittings. Avoid sharp kinks that restrict water flow — use gradual curves where direction changes are needed.
  6. Secure at intervals: Stake or weight the tube at regular intervals (every 10 to 15 feet) to prevent wind displacement and shifting from equipment vibration. Use landscape staples, rebar pins, or weighted objects that will not damage the tube.
  7. Verify drainage slope: Confirm the tube maintains consistent downhill slope from outlet to discharge. Water should not pool in low sections — adjust tube routing or support to eliminate flat or uphill sections.
  8. Position discharge end: Direct the discharge end toward the intended drainage area. Flare the end slightly to spread water discharge and reduce erosion at the outlet point. If discharging to a temporary retention area, position to maximize infiltration time.
  9. Test with water: Run water through the system (garden hose at the gutter or wait for rain) to verify proper flow from downspout to discharge. Check for leaks at connections, pooling in low sections, and proper discharge at the outlet end.
  10. Inspect and adjust as site changes: As construction progresses and site conditions change, inspect tube routing and reposition as needed. Move tube away from newly active work areas, adjust for grade changes, and ensure discharge point remains appropriate as site drainage patterns evolve.
Pro Tip: Label each temporary extension with the downspout location and installation date using permanent marker on duct tape wrapped around the tube. This helps identify which extensions go where if they are repositioned or removed during construction, and documents when temporary drainage was installed for project records.

1075 ft of flexible drainage protection — for every downspout on every construction site.

Add to cart. Ships fast from Damascus, OR. Site bulk orders available.

Email sales@gutterall.com | Mon-Fri 7am-4pm, Sat 9am-2pm PST

Frequently Asked Questions

How many downspout runs can I get from one 1075 ft roll? +
The number of runs depends on the length of each individual run from downspout outlet to discharge point. A typical residential temporary extension run ranges from 15 to 50 feet depending on site layout. At an average of 30 feet per run, one 1075 ft roll provides approximately 35 individual downspout runs — enough to cover multiple job sites or an extended period of new construction installations.
Does this product fit both 4-inch and 6-inch downspout outlets? +
Yes. The flexible polyethylene material compresses or expands to seal against both standard residential 4-inch outlets (used with 2x3-inch downspouts) and larger commercial 6-inch outlets (used with 3x4-inch downspouts). One product handles both outlet sizes without requiring separate SKUs or adapter fittings.
How long does this temporary extension last during the construction phase? +
The polyethylene material is UV stable and cold tolerant, designed to remain functional throughout multi-week or multi-month construction phases without degradation. The tube tolerates foot traffic, equipment movement, and weather exposure typical of active construction sites. It remains in place until permanent drainage is installed, at which point the temporary extension is removed and discarded.
What is the return policy? +
Temporary downspout extension rolls may be returned within 30 days of purchase in original, unopened condition for a full refund or exchange. Rolls that have been opened, partially used, or cut cannot be returned. Contact sales@gutterall.com to initiate a return and receive return shipping instructions before sending anything back. Refunds are processed within 5 to 7 business days of GutterAll receiving the returned item in qualifying condition. Return shipping costs are the responsibility of the buyer unless the return is the result of a product defect or a shipping error made by GutterAll.
How long does shipping take, and is local pickup available? +
Orders are typically processed and shipped within 1 to 2 business days from GutterAll's Damascus, Oregon facility. Standard ground shipping transit time is 3 to 7 business days depending on destination. In-store pickup at 19759 SE Sunnyside Rd, Damascus, OR 97089 is available Monday through Friday 7am to 4pm and Saturday 9am to 2pm PST. Local delivery within the greater Damascus and Portland metro area is also available. Contact sales@gutterall.com for site bulk quantities and lead times on large construction project orders.
Can this product be used for permanent drainage installations? +
No. This product is specifically designed as a temporary construction-phase drainage solution for routing water away from foundations and work areas until permanent drainage is installed. For permanent above-ground extensions, GutterAll recommends corrugated downspout extension products designed for long-term performance. For permanent underground drainage, use rigid PVC or corrugated drain pipe installed in proper drainage trenches. This temporary extension roll is removed and discarded when permanent drainage is complete.

Safety Notice — Construction Site Use

CONSTRUCTION SITE SAFETY APPLIES. Temporary downspout extensions routed across active construction sites create potential trip hazards. Route tubes along site perimeters and away from high-traffic work areas where possible. Mark tube locations with flagging tape or paint where they cross paths or work zones. Secure tubes at regular intervals to prevent displacement that creates unexpected obstacles. Inspect routing after equipment movement and reposition as needed. Remove tubes before final grading and hardscape work to prevent burial under finished surfaces. Coordinate tube routing with other trades working on site. Follow all applicable OSHA construction site safety regulations and employer safety procedures. For product questions, contact sales@gutterall.com.

Order Temporary Downspout Extension Roll — 1075 ft Flexible Poly

1075 feet of flexible drainage protection from a single continuous roll. Fits 4" and 6" outlets. Cuts to exact length on site. Routes around obstacles and follows terrain. Weather resistant for multi-month construction phases. The cost-effective solution for protecting foundations, grade, and work areas until permanent drainage is installed. Add to cart now.

Add to Cart — Ships Fast from Damascus, OR

In-store pickup | Local delivery | Nationwide shipping available

Site bulk and multi-roll orders: sales@gutterall.com

Mon-Fri 7am-4pm | Sat 9am-2pm PST | (503) 850-6784

Temporary Downspout Extension Roll — At a Glance

Temporary Downspout Extension Roll. 1075 Feet Continuous. Flexible Polyethylene. Fits 4" and 6" Downspout Outlets. Cut-to-Length On Site. UV Stable, Cold Tolerant, Weather Resistant. Construction Phase Drainage for New Construction, Renovation, Foundation Waterproofing, and Hardscape Prep. Ships Nationwide from GutterAll, Damascus, OR.

GutterAll — Professional Gutter Installation Supplies

Address19759 SE Sunnyside Rd
Damascus, OR 97089
HoursMon-Fri: 7am-4pm PST
Sat: 9am-2pm PST
Emailsales@gutterall.com
Phone(503) 850-6784
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