Looking for a reliable 36 grit sandpaper roll that fits your longboard or PSA system? This guide highlights top options, including a 36G and closely related 40G rolls, to help you choose the right roll for auto body, woodworking, and metalworking tasks. Each product is evaluated for best use cases, durability, and ease of use.
| Product | Grit | Width | Length |
|---|---|---|---|
| Deerfos Blue Premium 36Grit Longboard Roll | 36 | 2-3/4″ | 25 Yds |
| Dura-Gold Premium 40 Grit Longboard Roll | 40 | 2-3/4″ | 10 Yds |
| MIDO PROFESSIONAL ABRASIVE 40 Grit Longboard Roll | 40 | 2-3/4″ | 20 Yds |
| Shawya PSA Sandpaper Roll 40-Grit | 40 | 2-3/4″ | 20 Yds |
| Dura-Gold Premium 40 Grit Hook & Loop Longboard Roll | 40 | 2-3/4″ | 12 Yds |
Deerfos Blue Premium 36Grit Longboard Roll
Best for: Auto body shops and woodworking projects that demand a tough, long-lasting abrasive. This 36G version uses aluminum oxide with a strong polyester backing for durability and flexibility. It is designed to provide a consistent cut and good edge control on curved surfaces.
Why selected: The 36G grit is ideal for heavy initial shaping and material removal, while the longboard continuous roll reduces sheet changes. The long roll form lets you cut to exact lengths, minimizing waste. Clog resistance helps maintain cutting efficiency over time.
Caution: The strong backing can be stiff on extremely fine contours; consider a finer grit for detail work.
Dura-Gold Premium 40 Grit Longboard Roll
Best for: Coarse shaping in auto body finishing and heavy wood prep. The 40 Grit longboard roll provides a fast, aggressive cut suitable for removing paint and rough feather edging.
Why selected: Premium aluminum oxide fused with zirconia yields a sharp, long-lasting cut with reduced loading. The adhesive backing simplifies attachment to sanding blocks or air file sander systems and allows trimming to length as needed.
Caution: For fine finishing, upgrade to a finer grit after initial material removal to avoid scratch husbandry on delicate surfaces.
MIDO PROFESSIONAL ABRASIVE PSA Longboard 40 Grit
Best for: Woodworking and automotive prep where a flexible, continuous roll is advantageous. The 40 Grit range supports rough shaping and quick material removal on larger surfaces.
Why selected: Aluminum oxide grain on a continuous roll offers long-lasting performance with a flexible PSA backing, enabling easy trimming of the length without waste. Suitable for use with sanding blocks and air files.
Caution: If the project requires very fine smoothing, follow with a higher grit to minimize visible scratches.
Shawya PSA Sandpaper Roll 40-Grit
Best for: Automotive bodywork and multi-surface sanding where a long continuous roll minimizes interruptions on large panels. PSA backing offers quick adhesion to blocks or carriers.
Why selected: The high-performance coating improves wear resistance and reduces clogging, contributing to a longer service life per length cut. It stays flexible for curved edges and contours.
Caution: Some users may prefer a finer grit after rough shaping for a smoother final finish.
Dura-Gold Premium 40 Grit Hook & Loop Longboard Roll
Best for: Shops that rely on quick pad changes with hook-and-loop backing. Ideal for larger auto or woodworking projects where frequent pad swapping is common.
Why selected: The hook-and-loop system allows fast, repeatable pad changes, while the longboard roll format reduces the need for frequent roll changes. The 40 Grit is strong for aggressive removal yet maintains a uniform scratch pattern.
Caution: Hook & loop backing can collect dust; ensure the adhesive backing is clean for optimal attachment to pads.
Buying Guide
- Grit selection: Use 36 grit for heavy material removal, rough shaping, and edge work. Move to 40–60 grit for subsequent smoothing, and finish with finer grits for a polished surface.
- Roll length vs. sheets: Rolls reduce downtime on large jobs by allowing you to cut exact lengths. Sheets can be quicker for small, precise tasks but require more changes.
- Backing type: PSA backing is easy to mount to blocks and air files; hook-and-loop backing enables rapid pad swaps for work-in-progress tasks.
- Coating and grain: Aluminum oxide with premium coatings resists clogging and provides a longer usable life. For floor sanding, zirconia or high-quality blends offer extra durability.
- Application notes: Auto body and paint prep benefit from longboard rolls for continuous feathering on large panels. Woodworking can use longer rolls for flat surfaces and irregular shapes.
FAQ
- What is the difference between 36G and 40G sandpaper? A 36G offers more aggressive material removal suitable for initial shaping, while 40G is slightly finer and used for refining surfaces after roughing.
- Are PSA and hook-and-loop rolls interchangeable with blocks? Yes, PSA rolls attach to compatible blocks or sanding tools; hook-and-loop rolls require matching pads or blocks.
- Can I use these rolls for wet sanding? Some rolls indicate wet/dry capability; check the product description for suitability before using with water.
- Which roll length is best for automotive projects? Longer rolls (20–25 yards) minimize changes on large panels or doors; shorter rolls suit small parts and detail work.
- Do these rolls clog easily? High-quality aluminum oxide and anti-clog coatings reduce loading, but heavy sanding will still require occasional cleaning or swapping to a new sheet/segment.
- When should I switch from 36 to 40 grit? Start with 36G for heavy removal, then move to 40G or finer to finish, depending on the surface condition and desired final texture.