Riser Covers

Sim/Tech Polycarbonate/ABS Covers

Features

· 8,000 pound wheel load (H10), 2-1/2 times safety factor (actually tested to 20,000 lbs)

· Easily insulated for cold climates

· Soft durable gasket that is factory installed

· Self centering drop in feature

· Retains strength in cold and hot climates

· Can be installed without extending above grade

· Non-slip Surface

· Does not use an adapter ring

· Hardened urethane finish for ultimate UV protection and appearance

· Fits most 24” risers and pipe

· Two hole patterns (24-1/4” and 24-3/4”)

· Stainless steel screws included

· Safety information printed on surface

· Available with locking web option that eliminates screws (see below for more information)

The access to your septic tank, pump vault or holding tank should be easy, accessible and safe. The STF-APC24 series of covers offers a great solution for almost all systems. They fit our STF-R824B segmented riser as well as almost all 24” risers and can be retrofitted to many existing systems. The STF-APC24 polycarbonate/ABS covers are the safest, strongest covers to ever hit the market, meeting an H10 rating of 8,000 lbs (Actual testing went to 20,000 lbs without failure). Our unique manufacturing process affordably achieves extreme strength and durability, and is 3x thicker than most lightweight covers. Polycarbonate/ABS is used for its high strength and weather durability, and like no other cover we use a 2 component urethane finish for extended UV protection. This versatile cover is diamond plated and flat for easy foot traffic and lawn maintenance. It has 4 holes and 4 drillable dimples in two different hole patterns for universal fastening and the ability to fit multiple 24” diameter risers. These risers include ultra-rib pipe and double wall corrugated pipe.  Safety information is printed on each cover and large orders can have a customized oval center with name and logo. A soft gasket provides a good seal on various surfaces and our positive drop-in feature assures proper cover and gasket placement and makes alignment and installation easy. The overlapping design keeps debris away from the access hole unlike recessed covers.  The riser can also be brought to the surface without the cover extending above grade like concrete risers and covers. Because of its rib-less design it is easily insulated with Styrofoam for cold climates.

Sim/Tech Risers

Ultra-Rib Pipe

Double Wall Corrugated Pipe

Sim/Tech Polycarbonate/ABS Covers

Fits many 24” risers including, but

not limited to:

Sim/Tech Cast Iron Covers

Sim/Tech Locking Covers

If you are looking to eliminate screws to make service access quicker, easier, and safer add the patent pending locking web as an option to the Sim/Tech Filter polycarbonate/ABS cover.  The six leg locking web is pushed down to be disengaged.  A special tool is required for this to be performed.  Unlocking and removing the tool reengages the locking web. The locking feature is especially valuable in situations that require frequent access.  When ordering this product you will need to specify whether you will be using it on a Sim/Tech riser, an ultra rib pipe riser or a double wall corrugated riser.  If you have a different cover or riser you would like a lock feature for please contact customer service for more information.

The STF-CI24 has all of the main benefits of the poly-carbonate/ABS cover plus a stronger wheel load rating (12,000 lbs).  It also weighs in at over 65 lbs for added protection against children removing it if someone looses or forgets to put the screws back in after service. 

Sim/Tech also now offers a cover for 36” double wall corrugated risers, the STF-PA36.  The cover is a combination of 3/16” thick 3003 aluminum and Sim/Tech Filters’ Polycarbonate/ABS cover.  The bottom of the cover has 2 inches of Styrofoam insulation that also acts as a centering drop-in feature.  A pre-installed 3/4” wide gasket offers a watertight seal.  The cover is designed to fit risers with inside diameters of around 35-1/2” to 36”.  A 4-hole pattern is place at a diameter of about 37-3/4” for securing the cover to the corrugations of the riser.  The overall diameter of the cover is 38-5/8”.  This product normally will require a 1 to 2 week lead time.

Sim/Tech 36” Covers

Bottom of 36” cover

Sim/Tech Insulated Covers

Sim/Tech Polycarbonate/ABS covers are available to order with factory installed insulation.  We recommend the encapsulated version, the STF-APC24GI-1.50 (green) or STF-APC24BI-1.50 (black).  It is insulated with 1-1/2” of Styrofoam insulation that is protected on the underside of the cover by polyethylene.  We also offer lower cost insulated versions without the polyethylene protection.  When ordering, simply specify the insulation thickness at the end of the part number, for example STF-APC24GI-1.00 for 1” insulation.

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Boyne City, MI 49712

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