Hide septic tank riser

Learn how to install a septic tank riser with a lid. This is an easy to follow video that will show you what is involved with installing a new riser on your ...

Key Features: Enhanced Access: Say goodbye to laborious and messy digging to reach your septic tank. The Tuf-Tite Septic Tank Riser Kit elevates your access point, making routine inspections, pump-outs, and maintenance tasks a swift and clean process. Durable Construction: Crafted from high-density polyethylene (HDPE), this kit is built to ...The first step is to carefully measure the height of the riser and the diameter. If there is a junction box on the side of the riser, be sure to make note of it. Most junction boxes add 4 to 6 inches to the diameter measurement. Some Mock Rock covers are designed to hide septic tank risers which have a junction box on the side.Used to raise tank opening to ground level for easy maintenance. Fits all opening shapes up to 24 in. (e.g. round, square, rectangular, etc.) Base flange is 30.25 in. x 30.25 in. with a 23.5 in. riser ring inner diameter. Includes Cover, Pipe, Base Flange, Safety Barrier, Hardware, & Sealant.Landscaping Ideas Around Septic Tank Areas. 1. Plant herbaceous groundcover. Native, shallow-rooted, drought-tolerant plants are the best choices for planting around septic tanks and over drainage fields. Because they have adapted to local growing conditions, native plants require little care, which means less traffic and disturbance around the ...This kit includes a 24" adapter ring, a 24"x2" riser, 24" riser cover, an adapter ring installation kit, and stainless steel screws. Additional 24" Polylok risers can be purchased and stacked on to this kit. This package gives you approximately 4" in height. Optional foam gasket sold separately.Manhole Cover with 2 Inspection Holes and 24x24in frame, Recessed Square Septic Tank Lid and Base,Clear Opening Size 18x18in,Reinforced Steel Sewer Cover with Handles,Grey Sewage Basin Covers $149.99 $ 149 . 99These complete septic tank riser packages come with everything you need to install a septic tank riser system on your existing concrete or plastic septic tank. These riser packages are available in 20'' and 24'' diameter with several different height options. ... Polylok has one of the largest adapter rings on the market allowing you to cover ...

#silverlininghomeplace #septictanklid #septictank Learn how to install a septic tank riser the easy way! Follow along as I show you how to avoid digging up y...The importance or benefits of septic tank risers is more pronounced during winter when the ground is frozen. Instead of figuring out how to break up the ground to get to the lid as is the case for older model tanks, the riser provides a ready opening. Septic tank maintenance jobs are done much faster, thus saving you money.Show details Hide details . Choose items to buy together. Similar items that may ship from close to you. Page 1 of 1 Start over Page 1 of 1 . Previous page. Polylok 3008-RC Septic Tank Riser Cover, 24-Inch, Green. ... Tuf-Tite 20" Domed Septic Tank Riser Lid for Tuf-Tite Risers Only.This item: 24 in. Septic Tank Riser Cover. $99.98. Aero-Stream Septic Tank Riser Installation Kit. $30.49. JACKEL 18 in. Green Septic Tank Riser Cover. $51.33. Explore More on homedepot.com. Appliances. GE Profile Dishwashers; Shop Autofill Water Pitcher Stainless Steel Refrigerators;As a coastal state, watersheds in New Jersey are especially important. The health and vitality of New Jersey's waterways, lakes and estuaries depends on the responsible and safe ma...This image will show you how to measure the septic tank in your yard in 3 easy steps. When measuring it's important to remember the difference between diameter and circumference. - Measure the height of the septic tank from the ground to the top of the cap. - Measure the diameter of the septic tank itself, and also note the size of the ...Fits all opening shapes up to 24 in. (e.g. round, square, rectangular, etc.) Plastic adapter ring is 30.25 in. x 30.25 in. with a 23.5 in. riser ring inner diameter. Includes Cover, Pipe, Base Flange, Safety Barrier, Hardware, & Sealant. A septic tank riser makes installation of the Septic System Saver easier and even faster.

Step 2: Expose the Septic Tank. Carefully dig out and expose the entire length and width of the septic tank’s top. Remove any dirt or debris from the top of the concrete tank. Locate the inlet and outlet openings which will each need a riser. The inlet is typically closest to the house. Remove existing concrete lids.Nov 8, 2023 · Ensure these covers are easily removable for regular septic service check-ups. Planting Strategies: Use perennial plants or small shrubs to camouflage the risers without hindering access. Avoid deep-root plants that can damage the septic system. Decorative grasses that can be trimmed back for maintenance periods offer an excellent disguise. Step 2: Expose the Septic Tank. Carefully dig out and expose the entire length and width of the septic tank’s top. Remove any dirt or debris from the top of the concrete tank. Locate the inlet and outlet openings which will each need a riser. The inlet is typically closest to the house. Remove existing concrete lids.About this item. This kit includes a 24" adapter ring, a 24"x6" riser, 24" heavy duty cover, 24" safety screen, an adapter ring installation kit, and stainless steel screws. Additional 24" Polylok risers can be purchased and stacked on to this kit. This package gives you approximately 8" in height. Optional foam gasket sold separately.1. Simple Plastic Septic Tank Riser. Materials: Foam sealant, screws, butyl sealing rope (optional), polypropylene septic tank risers. Tools: Tape measure, …As of 2015, some of the brands of septic safe toilet paper include Angel Soft, Coleman, Charmin, Green Forest and Seventh Generation. Other septic safe toilet papers include Camco,...

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Septic Tank Treatment - 1 Year Supply of Septic Safe Dissolvable Easy Flush Live Bacteria Packets (12 Count) - Best Way to Prevent Expensive Sewage Backups - Made in USA. 12 Count (Pack of 1) 19,587. 10K+ bought in past month. $2397 ($2.00/Count) List: $32.99. $21.57 with Subscribe & Save discount. 10% off promotion available.Step 3 – Apply Butyl Rope To Tank Adapter Ring. To secure your Tuf-Tite Tank Adapter ring to the bottom of your tank, tie a butyl rope ring around it. This will aid in the creation of a water-tight seal. Make sure the butyl stretches all the way around the Adapter Ring before you tighten it.This means that a 24''x 17'' riser kit has an inner diameter of 24 inches and a height of 17 inches. The bottom ring of the riser kit is what attaches the assembly to the septic tank. There must be enough area around the access port to properly attach the ring to the septic tank. For example, a 24''x 17'' kit has an adapter ring ...Yes. The Polylok Septic Tank Risers come with screws to connect them to each other. For further questions contact us at 1-877-925-5132 or [email protected]. THE POLYLOK SEPTIC TANK RISER ADVANTAGE. There are many different types and styles of riser systems on the market today. The Polylok septic tank risers are simply the best your ...

AK Industries 28" Polyethylene Heavy Duty Septic Tank Cover. Model Number: AKS20000. PRICE $73.49. 11% REBATE* $8.08. PRICE AFTER REBATE* $ 65 41. each.DOWNLOAD SPEC SHEET. The Coerco 300mm Poly Septic Tank Riser with Lid is specifically engineered to fit septic tanks with a capacity ranging from 1450 liters to 31000 liters, featuring a 450mm diameter. It allows for easy access to your septic tank, simplifying maintenance and inspection processes. With this riser, there's no need for ...24" x 26" Septic Tank Riser Kit Overview: Our septic tank riser kits are measured by their inner diameter and height. The first number in their names is their inner diameter in inches, and the second number is their height in inches. This means that a 24''x 26'' riser kit has an inner diameter of 24 inches and a height.Septic tank risers are crafted from high-density polyethylene (HDPE) with UV stabilizers. Risers are designed to withstand the harshest environmental conditions and resist corrosion, ensuring its longevity and reliability. Find all of the necessary components to install a customized riser to your tank. Quote By Phone.This riser kit requires a flat surface at least 23 inches to 28 inches in diameter to attach the base flange. Base flange is 30.25″ x 30.25″ with a 23.5″ riser ring inner diameter. Heights from 7″ up to 50″ Available (contact us for configurations beyond 50″) Fits all opening shapes up to 24″ e.g. round, square, rectangular, etc.This video shows how to hide a septic cover fast and easy using these fake rocks: http://rocksfast.com/fake-rocks-and-boulders/cover-your-septic-tankHomeowne...Easy. A trellis is ideal for privacy and can double up as a cover for your septic tank. You can grow vines or creeping plants to add some greenery or color but be sure not to plant anything with invasive roots. Building a trellis is simple and is a perfect project for anyone looking for something easy to create. 6.Used to raise tank opening to ground level for easy maintenance. Fits all opening shapes up to 24 in. (e.g. round, square, rectangular, etc.) Base flange is 30.25 in. x 30.25 in. with a 23.5 in. riser ring inner diameter. Includes Cover, Pipe, Base Flange, Safety Barrier, Hardware, & Sealant.61765. SDR35/Schedule 40 gasket kit (2 each) 63151. Septic adapter SDR35 with nut & EPDM gasket. 63152. Septic adapter SCH40 with nut & EPDM gasket. *63490 replaces part #64186. All items on page may ship UPS. If shipping more than 2 manhole extensions or lid/risers, LTL is a less expensive option.#silverlininghomeplace #septictanklid #septictank Learn how to install a septic tank riser the easy way! Follow along as I show you how to avoid digging up y...

Step 2: Expose the Septic Tank. Carefully dig out and expose the entire length and width of the septic tank’s top. Remove any dirt or debris from the top of the concrete tank. Locate the inlet and outlet openings which will each need a riser. The inlet is typically closest to the house. Remove existing concrete lids.

Lid and riser Septic Accessories. Pickup Free Delivery Fast Delivery. Sort & Filter (1) Grid. Snyder Industries. 20 Inch Lid and Riser Combination for Septic Systems - Easy Installation, Multi-Use. • 20 In lid and riser combination. • Easy installation.Diameter X 44 In. Septic Tank Riser Kit. • Fits all opening shapes up to 24 in. • Base flange is 30.25 in x 30.25 in with a 23.5 in riser ring inner diameter. • Includes Cover, Pipe, Base Flange, Safety Barrier, Hardware, Sealant. Aero-Stream. 23.5 In. X 47 In. Septic Tank Riser Kit. In order to put septic tank risers onto your septic tank, you need an adapter ring. Polylok has one of the largest adapter rings on the market allowing you to cover up to a 25’’ square opening or a 27’’ round opening. This ring accepts both 20’’ and 24’’ risers and gives you great flexibility no matter what size your opening may be. The Polylok 24'' Heavy Duty lid fits the Polylok 24'' diameter risers and adapter rings. This cover is perfect for high foot traffic installations! This lid is flat and includes a skid resistant surface. Every cover comes with a factory-installed gasket to ensure an airtight and watertight seal! This lid replaces Polylok part number 3008-HD.Opens in a new window. This kit includes 1 - Polylok Round Riser Adapter Ring - designed to connect the Polylok Septic Tank Risers or Lids to an existing concrete tank with square or round openings. The adapter ring mounts directly to the tank and accepts the risers and lids as attachments. 20" Adapter Ring fits a maximum hole size of 20".Used to raise tank opening to ground level for easy maintenance. Fits all opening shapes up to 24 in. (e.g. round, square, rectangular, etc.) Base flange is 30.25 in. x 30.25 in. with a 23.5 in. riser ring inner diameter. Includes Cover, Pipe, Base Flange, Safety Barrier, Hardware, & Sealant.Visit the Aero-Stream Store. 5.0 11 ratings. $52200. The standard in septic tank riser safety. Includes: safety barrier, riser, cover, mounting fasteners, sealant, and illustrated instructions. Base flange is 30.25" x 30.25" with a 23.5" riser ring inner diameter. Complete and ready for installation (assembly required) Ships in two (2) packages.

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Can you hide your septic tank lids after installing a Septic tank Riser? So the point of having a septic tank riser installed is to make it much easier to actually access your septic tank, so you should be careful when trying to hide it.I installed Polylok 3009-AR 20" or 24" Septic Tank Riser Adapter Ring Polylok 24" x 6" Septic Tank Riser Polylok 3008-RC Septic Tank Riser Cover, 24-Inch, Green poly tank cover was used to replace the heavy concrete lid that allows for me to quickly inspect my tanks and clean the filter without having to dig up my yard. The green cover is ...About This Product. The SFRC18G septic tank riser cover is constructed of heavy- duty structural foam. Utilizing our Tech Tough design technology, the SFRC18G can support up to 2,000 lbs. It comes with our molded, replaceable water-tight seal and our non-slip Lawn Deco decorative finish. The cover is secured to the riser using the included ...Customers are satisfied with the appearance of the sculpture. They mention that it looks realistic, and blends in with the surrounding plants and grass. Some say that the cover is very realistic and works perfectly to cover their septic tank. Overall, most are happy with the product's appearance and recommend it to others. "...23.5 In. X 13 In. Septic Tank Riser Kit. 8. • Fits all opening shapes up to 24 in. • Base flange is 30.25 in x 30.25 in with a 23.5 in riser ring inner diameter. • Includes Cover, Pipe, Base Flange, Safety Barrier, Hardware, Sealant. Aero-Stream. 23.5 In.Septic Tank Treatment - 1 Year Supply of Septic Safe Dissolvable Easy Flush Live Bacteria Packets (12 Count) - Best Way to Prevent Expensive Sewage Backups - Made in USA. 12 Count (Pack of 1) 19,465. 10K+ bought in past month. $2397 ($2.00/Count) List: $32.99. $21.57 with Subscribe & Save discount.Every riser system installs easily on concrete septic tank lids, and the kit will even be able to tell you what size access hole will best complement your septic system. The riser system works on 95 percent of septic systems with round diameter size accesses from 16 " or less to 25" or less, and square sizes 11"x 11" to 18" x 18".The butyl sealant tape, concrete anchors, and adapter ring are shown below. 3. Apply half of the epoxy to the adapter ring and lower the riser on top of the ring. 4. Apply the second half of the epoxy on the inside of the riser where it attaches to the adapter. The epoxy and riser are shown below. 5. Attach the lid shown below with included bolts. ….

dummy. Polylok 24" Septic Tank Cover/Lid (PN: 3008-RC) dummy. Tuf-Tite Butyl Sealing Rope for and Polylok Septic Tank Risers 5/16" x 20' (20ft long) dummy. Jackel Black 24 Inch Diameter Septic Tank Riser Cover (Model: SFRC24B) dummy. Jackel 18 in. Sewage Basin Split Cover (Model: SF114) Buying options. Manhole Cover with 2 Inspection Holes and 24x24in frame, Recessed Square Septic Tank Lid and Base,Clear Opening Size 18x18in,Reinforced Steel Sewer Cover with Handles,Grey Sewage Basin Covers $149.99 $ 149 . 99 The Jackel-SFRC18B septic tank riser cover is constructed of injection molded polyethylene structural foam. The cover comes with our replaceable water tight seal. The Jackel-SFRC18B comes with a non-slip Lawn Deco decorative black finish. Compare with similar items. This Item.The 24" x 20" Septic Tank Riser Kit is a complete septic riser kit that comes with everything you need to install and bring your septic system to grade. Order before 2PM for same-day dispatch! Please read the description & ensure that you are ordering the correct diameter and height riser kit.Instructions. Expose septic tank lid. Dig down to tank and clear dirt away from the lid. Remove the lid and set it aside. Clear all dirt and debris away from surface of septic tank. Ensure that the septic tank is cleaned thoroughly around the opening. Measure the width of the opening on the septic tank. Fit the riser to the dimensions of the ...Use the height measurement that you took between the septic tank and ground level to determine which risers will work best for your application. ... The Polylok Riser Advantage. Polylok 20" x 12" Septic Tank Riser Downloadable Documents. FileName; 3009-R12_Spec: View: Download: Septic Tank Risers. Septic Tank Risers and Lids. 12" Diameter; 20 ...Use the height measurement that you took between the septic tank and ground level to determine which risers will work best for your application. ... The Polylok Riser Advantage. Polylok 20" x 12" Septic Tank Riser Downloadable Documents. FileName; 3009-R12_Spec: View: Download: Septic Tank Risers. Septic Tank Risers and Lids. 12" Diameter; 20 ...If you’re a homeowner with a septic system, you know that regular maintenance is crucial to keep your system functioning properly. One important aspect of this maintenance is havin... Hide septic tank riser, Zoeller septic tank risers can be adapted to both new and existing installations. PVC riser, cover, and stainless steel screws are all included for quick and easy ordering. All materials are non-corrodible and environmentally safe. Risers and lids are available in 12", 18", 24", and 30" diameters. Various riser lengths are available in 1', Diameter X 32 In. Septic Tank Riser Kit. 2. • Fits all opening shapes up to 24 in. • Base flange is 30.25 in x 30.25 in with a 23.5 in riser ring inner diameter. • Includes Cover, Pipe, Base Flange, Safety Barrier, Hardware, Sealant. Aero-Stream. 23.5 In. X 29 In., 61765. SDR35/Schedule 40 gasket kit (2 each) 63151. Septic adapter SDR35 with nut & EPDM gasket. 63152. Septic adapter SCH40 with nut & EPDM gasket. *63490 replaces part #64186. All items on page may ship UPS. If shipping more than 2 manhole extensions or lid/risers, LTL is a less expensive option., They have a narrow blooming window of August to September, but their foliage is also a gorgeous vibrant green. Mature plants can be up to two feet tall and are hardy. Despite their size, the root system goes about seven inches deep and should be adequately shallow for landscaping around a septic tank. 9. Periwinkle., 6. Gravel. Gravel is a great way to cover up your septic tank, and it's also very low maintenance. Just spread a layer of gravel around it. You could also use pebbles or stones instead of gravel. 7. Potted Plants. Potted plants are a great way to cover up your septic tank and add some color to your outdoor space., One septic system addition that every home should have is a septic tank riser. Learn more with this overview of septic tank risers. CALL US TODAY! Sarasota. 941-925-7867. Venice. 941-486-8889. Englewood. 941-474-7867. Bradenton. 941-755-7867. SOUTHERN SANITARY SYSTEMS INC ., Diameter X 10 In. Septic Tank Riser Kit. 6. • Fits all opening shapes up to 24 in. • Plastic adapter ring is 30.25 in x 30.25 in with a 23.5 in riser ring inner diameter. • Includes Cover, Pipe, Base Flange, Safety Barrier, Hardware, Sealant. Find My Store. Aero-Stream. 23.5 In., 24" Diameter heavy duty lid has outside diameter of 25" With inside diameter of 24". Ideal for septic tanks risers and corrugated pipe risers only. Will only work with Tuf-Tite systems (will not fit on competitor brand risers). Will not fit directly onto a septic tank is designed to fit on risers and corrugated pipe risers only., LARGE ADAPTER RING - In order to put septic tank risers onto your septic tank, you need an adapter ring. Polylok has one of the largest adapter rings on the market allowing you to cover up to a 25'' square opening or a 27'' round opening. This ring accepts both 20'' and 24'' risers and gives you great flexibility no matter ..., View product. $150.00. View product. Key Features. Specs. Warranty. What's In The Box. The Tuf-Tite Septic Tank Riser Kit is the answer to simplifying access to your septic tank and enhancing the overall efficiency of your septic system. This kit is an indispensable addition for homeowners and professionals looking to make septic maintenance a ..., Measure the diameter of the manhole cover: If 26-29 inches, the riser will fit down into the tank opening. Measure the distance from ground to the top of the septic tank and ADD 3 inches. If more than 29 inches: a 3-foot square fiberglass plate (with 22-inch hole in the center) is needed. Simply: Measure the diameter of the septic tank cover., Riser blocks literally raise the access to ground level or to a few inches below the grass level. The risers can be made of concrete or of appropriately sized and cut corrugated black pipe. This is something that will save you money in the long run by not having to pay someone to dig up your access cover each time you need the tank pumped out ..., Overall, the cost of a septic system can range anywhere from $3,000 to $15,000 to have a professional install, depending on the factors mentioned above.; Are septic risers worth it? Having a riser in place can also significantly reduce the cost of septic tank maintenance over time through the ease of access and time on the job saved., The 20" x 14" Septic Tank Riser Kit is a complete septic riser kit that comes with everything you need to install and bring your septic system to grade. Choose a variant Flat Lid - $225.00 Domed Lid - $205.00, As a coastal state, watersheds in New Jersey are especially important. The health and vitality of New Jersey's waterways, lakes and estuaries depends on the responsible and safe ma..., Plant Wildflowers. One of the best ways to hide septic tank risers is to plant wildflowers. This will not only hide the septic tank but also add color and texture to the surrounding landscape. You can either plant the plants in a raised bed or create a large meadow in your yard. This will make it easier to control the area and keep weeds at bay., TUF-TITE 24" x 6" Septic Tank Riser - Green. 7 Reviews. Item: #3257-004. Model: #24--RIS. Product Overview Description. For septic tanks; 6" high; 24" diameter; Stackable; Our Return Policy If you are not completely satisfied with your purchase, in most cases, you can return it for a refund within 90 days. ..., Yes. The Polylok Septic Tank Risers come with screws to connect them to each other. For further questions contact us at 1-877-925-5132 or [email protected]. THE POLYLOK SEPTIC TANK RISER ADVANTAGE. There are many different types and styles of riser systems on the market today. The Polylok septic tank risers are simply the best your ..., INTERNAL STRUCTURAL RIBS - The Polylok septic tank risers have structural ribs internally around each riser section which give them great strength and allow them to hold their shape with the pressure of soil being pushed against them once the hole is backfilled. These internal structural ribs allow the outside of the riser to be smooth, this ..., Feb 1, 2019 - Septic tank cover ideas for lawn and gardens. Hide those ugly concrete and plastic septic risers and lids with these fun and creative septic tank cover ideas. Fake rock septic covers offer home owners a fast and easy means of hiding ugly septic tanks and allow easy access to the tank for pumping and maintenance. See more ideas about septic tank covers, septic tank, fake rock., The first step is to carefully measure the height of the riser and the diameter. If there is a junction box on the side of the riser, be sure to make note of it. Most junction boxes add 4 to 6 inches to the diameter measurement. Some Mock Rock covers are designed to hide septic tank risers which have a junction box on the side., DuuMuut 20" Cast Iron Manhole Cover and Frame, Black Septic Tank Lid with Base, Round Sewage Basin Cover, Heavy Duty Flat Cover/Lid for Corrugated Pipe or Riser (True Diameter 19.7 In) ... Jackel Septic Tank Riser Cover (18 Inch Diameter - GREEN) 4.6 out of 5 stars 55. Polylok 20" Septic Tank Riser Kit (8" Tall) 4.8 out of 5 stars 36., Used to raise tank opening to ground level for easy maintenance. Fits all opening shapes up to 24 in. (e.g. round, square, rectangular, etc.) Base flange is 30.25 in. x 30.25 in. with a 23.5 in. riser ring inner diameter. Includes Cover, Pipe, Base Flange, Safety Barrier, Hardware, & Sealant., The butyl sealant tape, concrete anchors, and adapter ring are shown below. 3. Apply half of the epoxy to the adapter ring and lower the riser on top of the ring. 4. Apply the second half of the epoxy on the inside of the riser where it attaches to the adapter. The epoxy and riser are shown below. 5. Attach the lid shown below with included bolts., AK Industries 28" Polyethylene Heavy Duty Septic Tank Cover. Model Number: AKS20000. PRICE $73.49. 11% REBATE* $8.08. PRICE AFTER REBATE* $ 65 41. each., Used to raise tank opening to ground level for easy maintenance. Fits all opening shapes up to 24 in. (e.g. round, square, rectangular, etc.) Base flange is 30.25 in. x 30.25 in. with a 23.5 in. riser ring inner diameter. Includes Cover, Pipe, Base Flange, Safety Barrier, Hardware, & Sealant., 23.5 In. X 13 In. Septic Tank Riser Kit. 8. • Fits all opening shapes up to 24 in. • Base flange is 30.25 in x 30.25 in with a 23.5 in riser ring inner diameter. • Includes Cover, Pipe, Base Flange, Safety Barrier, Hardware, Sealant. Aero-Stream. 23.5 In., The septic tank access saddle, and associated sealing ring and lockable cover are made from composite resin—a composition of fibre glass and fillers formed under great pressure and heat. This makes the saddle and cover stronger than steel (weight‐for‐weight), meaning it will withstand a lifetime of use. The composite resin construction ... , The septic tank Riser Assembly provides easy access to the septic tank. It fits over the septic tank and raises the access cover to ground level so that the tank is fully accessible. Once the new Riser Assembly is installed there will never be a need to dig up the tank ever again! The septic tank Riser Assembly makes it easy to find, open and ..., They have a narrow blooming window of August to September, but their foliage is also a gorgeous vibrant green. Mature plants can be up to two feet tall and are hardy. Despite their size, the root system goes about seven inches deep and should be adequately shallow for landscaping around a septic tank. 9. Periwinkle., 203-315-3202 - Sanitrol Septic - FREE estimates. $50 OFF any service. Riser installation and cover replacement. FREE estimates. Residential., Polylok 20" septic tank riser covers are designed to fit any of the 20” diameter Polylok risers. Polylok 20” septic tank riser covers are made of HDPE with the highest UV protection on the market today. These covers will withstand normal residential and light commercial traffic. Polylok 20" septic tank covers come equipped with factory ..., A septic tank riser is a pipe-like structure that extends vertically from the septic tank's access port to the ground surface. Its purpose is to provide easy access to the septic tank for inspection, pumping, and maintenance. Without a riser, accessing the septic tank would require digging up the ground around it, which can be time-consuming and expensive.