What works best to cut it down?

I think you could cut it down with a circular saw to get straight cuts but I’m not sure it will still fit if you are putting it over a box below it. The sides are sloped so that it fits inside of the box below it tightly. If you cut it then it won’t fit into the box and you might get leakage. Something to plan out.

Can you cut it down to get only an inch or two rise?

Yes just measure to make sure it will still fit inside before making cut.

Will this work on a standartpark 12x12 catch basin as well for a riser?

If I understand your question yes it works with a 12" basin or without a basin bu the basin of course has the inlet/outlets.

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NDS 1216 Catch Basin Riser for 12 Inch Square Catch Basin Drain and 12 Inch Low-Profile Adapter Drain, Black

Product ID: 144376672

Details

Brand
NDS
Colour
Original
Connector type
Adapter
Exterior finish
Painted
Item dimensions L x W x H
31.4 x 18.1 x
Item weight
0.5 Pounds

📏Adds up to 6 inches height

☀️UV-resistant durability

🛠️Cut-to-fit customization

€ 88.83

Duties & taxes included

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Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Raise your drainage game—effortless height, ultimate durability!

TAILORED FIT NO FUSS - Cut the riser to your exact project needs with a simple saw—custom drainage made easy.
ELEVATE WITH PRECISION - Easily add up to 6 inches of height to your catch basin for optimal water capture.
HASSLE FREE INSTALLATION - Stacks seamlessly on 12-inch catch basins and supports various grate types for load flexibility.
BUILT TO BRAVE THE ELEMENTS - Crafted from UV-inhibited polystyrene to resist fading, cracking, and weather wear.
VERSATILE DRAINAGE SOLUTION - Perfect for lawns, patios, walkways, and under downspouts—adaptable to any landscape or hardscape.

The NDS-1216 is a 12-inch polystyrene riser designed to add up to 6 inches of height to catch basins, enhancing surface water drainage. Lightweight and UV-resistant, it’s easy to cut for custom fits and stacks securely on standard 12-inch basins, making it ideal for residential and commercial landscaping and hardscaping projects.

Specifications

ASIN	B000ICRH6A
Best Sellers Rank	327,382 in DIY & Tools ( See Top 100 in DIY & Tools ) 932 in Drainage
Brand	NDS
Colour	Original Version
Connector Type	Adapter
Country of Origin	USA
Customer Reviews	4.6 4.6 out of 5 stars (587)
Exterior Finish	Painted
Global Trade Identification Number	00052063012162
Included Components	NDS - 1216
Item Dimensions	31.4 x 18.1 x 31.4 centimetres
Item Type Name	NDS - 1216
Item Weight	0.5 Pounds
Manufacturer	NDS
Material	Polystyrene
Model Number	NDS - 1216
Number of Packs	1
Number of Pieces	1
Part Number	NDS - 1216
Size	12 inches
Thread Size	6 inches
Thread Type	NPT
UPC	052063012162
Unit Count	1.0 count

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