Supergrit Abrasives

2 3/4" X 16 1/2" PSA INDASA WHITE FILE BOARD SHEETS

2 3/4" X 16 1/2" PSA INDASA WHITE FILE BOARD SHEETS - Main image
$13.8 $23 In stock

2-3/4" X 16-1/2" PSA Indasa White File Board Sheets

These PSA (Pressure Sensitive Adhesive) Indasa White File Board Sheets are designed for precision sanding, surface leveling, and finishing. The self-adhesive backing allows the sheet to stick securely to your sanding board, providing a firm, flat sanding surface for accurate results.

Made with high-quality aluminum oxide grain, these sheets offer fast cutting action, long life, and a smooth, consistent finish—perfect for professional applications.


Key Features

  • PSA (Sticky Back): Strong adhesive holds firmly to sanding boards without slipping
  • Aluminum Oxide Grain: Durable, self-renewing abrasive for consistent performance
  • Clog-Resistant Treatment: Reduces loading and extends sheet life
  • Pre-Cut Size: Fits standard 2-3/4" x 16-1/2" file boards
  • Smooth Finish: Leaves a uniform surface ready for primer or paint

👉 PSA sanding strips are designed to stick directly to sanding boards of any length, making them ideal for long, straight sanding applications


What Are They Used For?

These sheets are ideal for:

  • Sanding body filler and putty
  • Leveling large flat surfaces
  • Smoothing high-build primers
  • Feather edging and blending repairs
  • Surface preparation before painting

They are especially effective for auto body sanding, where straight, even surfaces are critical.


Applications

  • Automotive bodywork and collision repair
  • Wood and composite sanding
  • Surface prep before coatings
  • Maintenance and repair work

👉 File board sheets are commonly used where loading is a problem, helping maintain cutting performance during sanding


Why Choose PSA File Board Sheets?

  • Stronger hold than H&L: No movement during sanding
  • Better for long boards: Ideal for straight-line sanding
  • Cost-effective: No need for hook & loop pads
  • Consistent results: Helps achieve flat, professional finishes

Specifications

  • Size: 2-3/4" x 16-1/2"
  • Backing: PSA (Pressure Sensitive Adhesive)
  • Grain Type: Aluminum Oxide
  • Use: Dry sanding
  • Form: File board / long board sheets

Compatible With

  • Long sanding boards
  • Hand file boards
  • Straight-line sanding tools (PSA required)
Before you pay

Check the method and total at checkout.

When it ships

Allow for processing time as well as the journey to you.

Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

View policy
If you need a refund

Keep your order number and contact the store to start.

Please contact us for the refund processing timeframe before returning an item.

View policy
Delivery costs

Review the cost for your destination and chosen service.

Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

View policy
Returning an item

Check the return conditions before sending anything back.

United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

View policy

Customer Reviews (4.8 / 5 · 5 reviews)

Victoria V. ★★★★★

The peel-and-stick backing made these sheets effortless to mount, and the white surface let me see exactly where I’d already sanded. They held up well on a curved edge without curling, which is more than I can say for some cheaper rolls I’ve used.

Daniel H. ★★★★★

Cut them to size for a tight spot on my workbench and the pressure-sensitive adhesive held firm the whole time, no shifting mid-stroke. The white surface made it easy to see where I'd leveled the filler, which saved me a ton of guesswork.

Richard ★★★★★

The adhesive backing grabbed instantly with zero wrinkles, and the 16-1/2 inch length is perfect for long, even passes on my file board. I’ve used cheaper sheets that curl at the edges, but these stayed flat through the whole job, which made leveling the surface feel almost effortless.