Top 10 Best cement board in 2026

Last Updated - 6/29/2026

🏆Best Choice

WEN

WEN Electric Fiber Cement and Siding Shear, Variable Speed (3670)

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•OSHA-compliant: take on siding, fiber cement, Hardie board, or shower backer boards with a 1/2-inch (13mm) max cutting capacity
•Cut glass, wood, plastic, and other conventional building materials up to 5/16 inch (8mm) thick
•Pressure sensitive trigger cuts anywhere from 0 to 2500 strokes per minute
•Swiveling head rotates a full 360 degrees to meet the needs of any project
•Includes a set of reversible and replaceable steel cutting blades, a lock-on power switch, a 6-foot power cord, and a two-year warranty

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$53.98

$59.99

-10%

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Diablo

Diablo Carbide Jig Saw Blade for Fiber Cement & Plaster - T-Shank, 4" Length, Carbide Tooth Design, 6 TPI - DJT141HM

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•TiCo Hi-Density Carbide - For greater durability and up to 50X longer life versus standard Jig saw blades. Ensures longer blade life and consistent performance.
•Optimized Blade Design - Reduces heat and pitch buildup. ensuring smooth, efficient cutting and extending Blade life. This allows cleaner cuts and preventing the blade from overheating.
•Perma-SHIELD Non - Stick Coating - Reduces drag and shields the blade against heat, gumming and corrosion. This enhances the blade's performance and extends its lifespan.
•T-shank Design - This fits all combo and most U - shank jig saws. This provides flexibility and convenience for users, allowing for easy installation and removal of the blade.
•Maximum Performance - Designed to deliver exceptional performance in both cordless and corded Jig saws, these blades excel in cutting in abrasive materials such as fiber cement and plaster.

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$13.81

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ZOYACREATE

ZOYACREATE Drywall Cutting Tool, Foldable Hand Push Dual Positioning Drywall Cutter Tool 23 Wheels

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Stability: This drywall cutting tool dual fixed positioners ensure accurate and consistent cutting
•Convenience: Automatically clamp the gypsum board, double large handles at the front and back, no need to adjust for smooth cutting
•Portability: Foldable design, easy to pack and carry
•Size: 32.16 x 22.72 x 2.95 inches, cutting thickness is 0.35-0.51
•Material: Nylon pulley, stainless steel vertical rod, titanium alloy knife holder, durable and rust-proof

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$43.59

$99.99

-56%

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PacTool

PacTool SS724 Snapper Shear Pro - Cutting Tool for Fiber Cement Board - Power Shears Professional Power Tools

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•DRILL ATTACHMENT: This innovative shear conveniently works with any 18 Volt or higher cordless drill, allowing you to navigate the accessory with ease while cutting. This product is specifically designed to cut 1/4 - 1/2-inch HardieBacker fiber cement board.
•CONTRACTOR TOOL: Cut any shape with this universal shear head's ability to rotate 360° degrees. You can make straight, right-angle, curve cuts, and cut circles down to 3-inches in diameter, giving it the ergonomic advantage over traditional shears.
•SIDING TOOLS: No more score and snap. This tool's versatility makes it ideal for various siding remodel projects, kitchen, bathroom renovations, and installations, specifically for cutting around the corner, outlets, hardware, and toilet flanges.
•SMART SHEARS: This drill attachment minimizes airborne dust while using it, allowing professionals and DIYers to cut and install with ease. This dramatically increases efficiency and keeps those who are working on-site safe from dangerous particles.
•PACTOOL: Trusted for decades, we are the leaders in specialized construction, renovation, and remodeling designs. Our patented product line inspires craftspeople and DIYers to work smarter, measure better, and repair more efficiently.

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$84.95

$99.99

-15%

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PacTool

PacTool SS424 Backerboard Shear - Fiber Cement Cutting -Contractor Grade- Professional Power Tools

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•CONTRACTOR TOOL: Cutting is finally easy with this precision-machined shear head with a contractor-grade 6.5-amp motor, capable of powering through to make fast, clean cuts up to 1/2-inch thick of Hardiebacker fiber cement underlayment.
•CEMENT BOARD: Get the tile project done with our electric metal shear. This tool is specifically designed to shear the backer board rather than cut so that it trims and strips off sheets making precise, fast, and consistent cuts.
•CUT OUT TOOL: No more score and snap. This tool's versatility makes it ideal for inside corner cuts, with far fewer broken corners. Equipped with reversible and replaceable solid tool steel blades, this cutting tool can support 20,000 linear feet.
•SMART SHEARS: Developed to minimize harmful airborne dust while using it, this product allows workers to cut and install both inside and outside of the worksite, increasing efficiency, clean-up, and keeping everyone safe from dangerous particles.
•PACTOOL: Trusted for decades, we are the leaders in specialized construction, renovation, and remodeling designs. Our cutting-edge product line inspires craftspeople and DIYers to work smarter, measure better, and repair more efficiently.

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$204.16

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POWERTEC

POWERTEC Heavy Duty Backer Board Scoring Knife, Ergonomic Grip, Dual Tungsten Carbide Blades for Tile Cement Board, Laminate (71903) 1 Pack

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•INCLUDES: (1) Heavy Duty Backer Board Scoring Knife with Tungsten Carbide Blades
•PURPOSE: Create precise scores in cement backer board, laminates, roofing tile, and shingles for clean cuts and faster installation
•ERGONOMIC: Backer cutter features a non-slip grip for comfort and safety throughout extended use, reducing hand fatigue during large jobs
•POWERFUL & QUICK: Dual tungsten carbide blades tackle tough materials with ease, making deep scores for efficient material separation
•PREMIUM: Backer board knife combines a durable construction with tungsten carbide blades designed for long-lasting sharpness, delivering reliable performance for multiple projects

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$13.95

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DEWALT

DEWALT DCS498B 20V Max Cordless Fiber Cement Shears (Tool Only)

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Variable speed trigger allows operator to adjust speed of cut during use.
•Cuts up to 5/8" Fiber cement board
•Led light with 20 second delay after trigger release
•Little to no dust created during cutting action
•20V Metal Shear; hex wrench

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$249.55

$269.00

-7%

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QEP

QEP Backerboard Scoring Knife

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Makes accurate cuts in cement backerboard
•Carbide tips for toughness and durability
•Slip-resistant grip for safe use
•Use to accurately score cement backerboard during installation
•Long lasting carbide tips for superior durability

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$11.49

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Hyde

HYDE 19408 Heavy-Duty Carbide Cutter

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Quality & Craftsmanship you can count on: One tool works like three. Cut/Score/Chisel cement board, drywall, fiberglass roofing, vinyl flooring and laminate materials

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$25.09

$26.41

-5%

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Bon

Bon 87-112 Carbide Backer Board Scoring Knife

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•The largest selection of tools manufactured to the highest quality standards
•Leader in professional contruction tools
•Innovative, durable
•Chisel tip blade

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$14.65

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