Product Overview
Faber Limestone Densifier is a professional, water-based impregnating hardening sealer for limestone and lime-based materials. This VOC-free solution hardens the stone from within, increasing surface hardness and resistance to abrasion, while providing deep water-repellent protection against rising damp, efflorescence, rust, and moisture damage.
Key Benefits
- Increases surface hardness and abrasion resistance.
- Speeds up the mechanical polishing process, reducing tool wear and water usage.
- Provides protection against rising damp and moisture ingress.
- Acts as a primer for enhanced stain-proof treatment performance.
- Food contact certified and dewaxing resistant.
- Invisible treatment with no film or colour change.
- Suitable for both indoor and outdoor use.
Suitable Applications
- Polishing aid during mechanical honing and polishing.
- Pre-installation treatment for moisture protection.
- Post-installation water-repellent treatment.
Suitable Surfaces
Designed for limestone and particularly absorbent lime-based materials.
How to Use
As a Polishing Aid
- Apply after 200/400 grit.
- Apply an even coat using a roller, brush, or applicator.
- Allow 4 hours before proceeding to the next grit.
For Pre-Installation Treatment
- Apply to top and edges, wait 1–2 hours, then treat the bottom.
- Remove residues before boxing up.
- Wait 24 hours before laying.
For Post-Installation Treatment
- Apply to clean, dry surface and redistribute residues.
- Remove residues with a pad or cloth.
- Allow 24 hours to cure.
Technical Information
- Coverage: 10–15 m²/litre.
- Available in 1L and 5L sizes.
Frequently Asked Questions
Can this product be used outdoors?
Yes, Faber Limestone Densifier is suitable for both indoor and outdoor applications.
How long should I wait before laying tiles after pre-installation treatment?
You should wait 24 hours after pre-installation treatment before laying tiles or slabs.
Is this product food safe?
Yes, it is food contact certified, making it suitable for use on kitchen worktops.
View Material Safety Data Sheet
Product Video
Shipping & Delivery
Delivery across the UK: Available delivery methods, estimated times and charges are calculated for your order and shown at checkout before payment.
Larger, heavier or specialist machinery may require a tailored delivery arrangement. Please contact us if you need help before placing your order.
Returns & Refunds
Need to return an item? Please contact us before sending anything back so we can confirm eligibility and provide the correct return instructions.
Items should be unused and returned in their original condition and packaging. Some specialist, made-to-order or used items may have different return conditions.
LIMESTONE DENSIFIER | Hardening Sealer for Limestone
Price range: £22.24 through £105.80
( Price range: £18.53 through £88.17 excl. VAT)
Faber Limestone Densifier is a water-based, VOC-free hardening sealer for limestone. It hardens the stone, enhances surface resistance, and provides protection against moisture and rising damp. Ideal for use during polishing, it reduces friction and tool wear, speeding up the process and give better polished result. Suitable for both indoor and outdoor applications, it also acts as a primer for stain-proof treatments.
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