Festool SG-240/W-ISC Serrated Insulation Cutting Set 240mm for ISC 240

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Saddle Creek

Festool SG-240/W-ISC Serrated Insulation Cutting Set 240mm for ISC 240

R 3,206.78

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Festool SG-240/W-ISC Serrated Insulation Cutting Set 240mm

At a Glance: Adjustable 240mm serrated cutting set for effortlessly cutting flexible mineral-fibre and natural-fibre insulation with the Festool ISC 240 cordless insulation saw.

The Festool SG-240/W-ISC is a specialised serrated cutting set developed for accurate, efficient cutting of flexible insulation materials up to 240mm thick. Its combination of one fixed and one moving serrated blade produces a controlled shearing action that cuts cleanly through soft, fibrous materials such as flexible glass wool, rock wool, hemp and soft wood-fibre insulation. An innovative adjustment mechanism allows the blade setting to be matched to different insulation materials, helping achieve dependable cutting performance across a wide range of mineral and natural-fibre products. Designed specifically for the Festool ISC 240 EB cordless insulation saw, the set installs without tools and can also be attached to a compatible guide-rail carriage for straight, guided cutting.

Specialised cutting performance for flexible insulation

Flexible insulation can compress, snag or tear when cut with an unsuitable blade. The SG-240/W-ISC uses two coordinated serrated blades to hold and separate the fibres with a controlled cutting action. This helps produce accurately sized insulation sections that fit neatly between rafters, studs and structural frames.

Product Highlights

Made for flexible insulation: Developed for flexible mineral-fibre and natural-fibre insulating materials.
240mm cutting capacity: Suitable for cutting flexible insulation products with a material thickness of up to 240mm.
Dual-blade cutting action: Combines one fixed and one moving serrated blade for efficient cutting through soft, fibrous materials.
Material-specific adjustment: The innovative adjustment mechanism allows the blade setting to be adapted to different insulation materials.
Induction-hardened blade edges: Hardened cutting edges provide dependable performance and improved wear resistance.
Tool-free installation: The complete set can be fitted quickly to the Festool ISC 240 cordless insulation saw.
Guided cutting capability: Can be connected to a compatible guide-rail carriage for controlled, straight cuts.
Protective mandrel: The mandrel at the top helps protect the serrated blade and supporting surface from accidental damage.
Replaceable blade system: The serrated blades can be replaced when worn without replacing the complete guide assembly.

Features

Fixed and moving serrated blades: Work together to cut flexible insulation with a controlled shearing action.
240mm cutting length: Handles common insulation thicknesses used in roofing, timber construction and wall applications.
Adjustable blade setting: Allows the cutting set to be adapted to the characteristics of different fibrous insulation materials.
Induction-hardened cutting edges: Increase the durability of the serrated blade edges during regular professional use.
Tool-free quick-change interface: Supports fast attachment and removal from the compatible Festool insulation saw.
Protective top mandrel: Helps prevent the blade from accidentally cutting into or damaging the supporting surface.
Guide-rail carriage compatible: Supports guided cutting when paired with the appropriate Festool system accessory.
Replaceable cutting blades: Worn blades can be replaced to restore cutting performance.

Benefits

Controlled cutting of soft material: The coordinated blades help reduce snagging, uncontrolled compression and tearing of flexible insulation.
Accurately sized insulation sections: Cleaner, straighter cuts make it easier to achieve a close fit between rafters, studs and framing members.
Adaptable performance: The adjustable blade setting helps optimise the cutting action for different mineral and natural-fibre materials.
Efficient site preparation: The 240mm cutting length allows thick insulation to be cut in a single controlled pass.
Fast accessory changes: Tool-free fitment reduces setup time when changing between Festool insulation cutting sets.
Improved surface protection: The top mandrel helps protect the blade and base when completing a cut on a supporting surface.
Long-term serviceability: Replaceable blades allow the main cutting-set assembly to remain in service.

Application

Cutting flexible glass-wool insulation.
Cutting flexible rock-wool insulation.
Cutting hemp-fibre insulation.
Cutting soft wood-fibre insulation.
Preparing between-rafter roof insulation.
Sizing insulation for timber-frame construction.
Cutting natural-fibre insulation for timber construction.
Trimming flexible insulation for wall and ceiling cavities.
Producing straight insulation strips with a compatible guide-rail carriage.
On-site preparation of flexible insulation sections up to 240mm thick.

Compatibility

Compatible machine: Festool ISC 240 EB cordless insulation saw.
Suitable materials: Flexible mineral-fibre and natural-fibre insulation.
Typical materials: Flexible glass wool, flexible rock wool, hemp and soft wood-fibre insulation.
Important limitation: Not suitable for pressure-resistant wood-fibre insulation materials.
Rigid insulation: Use the appropriate Festool cross-set cutting set for PUR, PIR, polystyrene and pressure-resistant mineral insulation.

Specifications

Description	Spec
Brand	Festool
Cat No.	FES575411
Manufacturer Part No.	575411
Model	SG-240/W-ISC
Product Type	Serrated insulation cutting set
Compatible Machine	Festool ISC 240 EB cordless insulation saw
Cutting Length	240mm
Maximum Material Thickness	Up to 240mm
Blade System	1 fixed and 1 moving serrated blade
Blade Edge Treatment	Induction hardened
Blade Adjustment	Adjustable to suit the insulation material
Attachment	Tool-free quick-change system
Guided Cutting	Compatible with a Festool guide-rail carriage
Suitable Materials	Flexible glass wool, rock wool, hemp and soft wood-fibre insulation
Not Suitable For	Pressure-resistant wood-fibre insulation materials
Barcode	4014549309087
Quantity	1 cutting set

Scope of Delivery:

1 x Festool SG-240/W-ISC cutting-set guide assembly
1 x Fixed serrated blade, 240mm
1 x Moving serrated blade, 240mm
1 x Integrated blade-adjustment mechanism

Video

Extra Info

Extra Information

The SG-240/W-ISC uses one fixed and one moving serrated blade mounted in a coordinated guide assembly.
The blade setting must be correctly adjusted to suit the insulation material before cutting.
The W version is designed specifically for flexible mineral-fibre and natural-fibre insulation.
The cutting set is not suitable for PUR, PIR, polystyrene or other rigid insulation where a Festool cross-set blade is required.
Soft wood-fibre insulation can be cut, but pressure-resistant wood-fibre insulation is expressly excluded.
The complete cutting set can be installed on the compatible saw using the Festool tool-free quick-change system.
A compatible guide-rail carriage can be used when a controlled, guided cut is required.
When cutting materials that generate dust, a suitable Festool mobile dust extractor can be connected using the appropriate extraction adapter.
The Festool ISC 240 saw, battery pack, charger, guide rail, guide-rail carriage and dust-extraction accessories are not included unless specifically stated.

Pro Tips

Test the blade setting on a small offcut before cutting the final insulation section, particularly when changing to a different material or density.
Adjust the cutting set so the moving and fixed blades work together freely without unnecessary friction.
Mark the full cutting line before starting and avoid excessively compressing the insulation around the cutting area.
Use the compatible guide-rail carriage where repeatable widths or especially straight cutting edges are required.
Allow the serrated blades to perform the cut without excessive forward pressure, which can compress the insulation and reduce accuracy.
Support both the main insulation section and offcut to prevent tearing as the blades reach the end of the cut.
Clear accumulated fibres from the blade assembly after use to maintain free blade movement and consistent performance.
Use suitable dust extraction and respiratory protection when working with mineral-fibre or other dusty insulation materials.
Replace blunt or damaged blades as a coordinated set where required to maintain an even cutting action.

How to Use

Remove the battery pack from the Festool ISC 240 before installing, adjusting or inspecting the cutting set.
Confirm that the insulation is a flexible mineral-fibre or natural-fibre material and does not exceed 240mm in thickness.
Inspect the fixed blade, moving blade, guide assembly and protective mandrel for wear or damage.
Fit the SG-240/W-ISC to the ISC 240 using the machine's specified tool-free installation procedure.
Adjust the blade setting to suit the insulation material according to the operating instructions.
Check that the blades move freely and that the complete cutting set is securely locked into the machine.
Mark the required cutting line and support the insulation on a stable, suitable surface.
Where required, attach the saw to a compatible guide-rail carriage and correctly position the guide rail.
Position the blades at the beginning of the line with the cutting set clear of the material.
Start the saw and guide it steadily through the insulation without forcing, twisting or applying excessive sideways pressure.
Switch off the saw after completing the cut and wait for the blades to stop completely before lifting the tool away.
Remove the battery before clearing fibres, readjusting the blades, replacing the cutting set or carrying out maintenance.

Safety

Wear suitable eye, respiratory and hearing protection when cutting insulation materials.
Follow the insulation manufacturer's handling instructions and safety data for the specific material being cut.
Remove the battery pack before installing, removing, adjusting, cleaning or inspecting the cutting set.
Handle the serrated blades carefully, as the cutting edges can cause injury even when the machine is switched off.
Do not use blades or guide components that are bent, cracked, blunt, loose or otherwise damaged.
Ensure the cutting set is correctly adjusted, fully inserted and securely locked before operating the saw.
Keep hands, extraction hoses, clothing and other objects clear of the moving blades and cutting path.
Support the insulation securely and maintain stable footing and full control of the machine throughout the cut.
Do not force, twist or apply excessive lateral pressure to the cutting set.
Do not use this set for pressure-resistant wood fibre, rigid foam, timber, metal, masonry or other unintended materials.
Check the cutting path for hidden fixings, wires, nails, screws or other foreign objects before starting.
Use suitable dust extraction where practical when cutting materials that produce hazardous or irritating dust.
Wait until the blades have stopped completely before putting the machine down or touching the cutting set.
Keep the protective mandrel intact and never modify or remove safety-related components.