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X’traseal MS-608: A Technical Overview
X’traseal MS-608 is a flooring adhesive based on silyl-modified polyether technology that delivers permanent flexibility and excellent bonding strength without the use of solvents or isocyanates. Designed for timber, parquet, and engineered wood floors, MS-608 adheres strongly to most subfloors, including damp concrete, plywood, and screeds. It features excellent UV and weather resistance, is odourless, and is safe for use in enclosed or sensitive environments. With a long open time and simple trowel application, it's ideal for installers needing precision and performance across varying job site conditions.
Core Features & Specifications
- 800% elongation at break – absorbs movement without cracking or delamination
- Solvent-, isocyanate-, and acid-free – low emission and safe for interior use
- Skin time ~30 minutes – ideal for precise placement and adjustments
- Service temperature from -40°C to 100°C – durable across all Australian climate zones
- Excellent UV, water, and chemical resistance – suitable for indoor and outdoor applications
- Coverage rate up to 2.0 m²/L – efficient usage depending on substrate and trowel size
The X’traseal MS-608 Advantage
- Works on damp subfloors, reducing downtime and costly delays
- Provides strong mechanical bonding with acoustic dampening performance
- Stays permanently elastic — accommodates natural timber movement
- Can be used both indoors and outdoors, including sun-exposed areas
- Compatible with underfloor heating systems (when tested accordingly)
- Trowel-friendly formulation allows for fast, efficient spread with reduced fatigue
Best Practices: Do's & Don'ts
Do
- Use the correct notched trowel size according to flooring type
- Apply only to clean, sound, grease-free surfaces
- Allow for a skin time of approximately 30 minutes before closing joints
- Store in a cool, dry place between 5°C and 30°C for maximum shelf life
Don't
- Apply in fully enclosed spaces with no humidity (requires ambient moisture to cure)
- Use on plastics like PE, PP, PTFE, or materials with plasticisers
- Expose to aggressive solvents or submerge under water
- Use for food contact or heavy trafficable joints
Applications in Practice: Trade Scenarios
For Flooring Installers (On-Site Applicator): Engineered Timber on Damp Slab
The Engineering Challenge
Slabs that haven’t fully dried after rain delays can stall flooring installation. Conventional adhesives struggle on damp concrete and may lead to long-term failure or lifting.
The System-Based Solution with X’traseal MS-608
Apply MS-608 using a V-notch trowel (4 mm x 3 mm). Lay engineered wood planks directly into the adhesive and tap lightly to position. The product bonds to damp substrates without risk of hydrolysis or debonding.
Best Practice Note
For large boards or thicker woods, use a 6 mm square-notch trowel and allow 24 hours before foot traffic.
For Builders (Specifier): Low-VOC Interior Fitout in Sensitive Environments
The Engineering Challenge
Modern commercial builds and fitouts often require adhesives with low VOCs, no odour, and environmental compatibility — especially in medical, education, or aged care sectors.
The System-Based Solution with X’traseal MS-608
MS-608 is free from solvents, isocyanates, acids, and silicone oils. It emits no odour and is safe for installation in enclosed, high-sensitivity environments without triggering air quality alarms.
Best Practice Note
Allow adequate ventilation until full cure. Use with approved underlays to enhance acoustic dampening.
Performance Benchmark: X’traseal MS-608 vs. Traditional Flooring Adhesives
| Metric | X’traseal MS-608 | Standard Alternative | Advantage |
|---|---|---|---|
| Elongation at Break | 800% Highly flexible | 200–300% | Better movement absorption |
| VOC Content | Zero solvents, isocyanates Low-emission | High VOC, solvent-based | Improved health & safety |
| Subfloor Tolerance | Damp-compatible Less prep required | Dry only | Faster installation turnaround |
Frequently Asked Questions
What flooring types can X’traseal MS-608 be used with?
MS-608 is suitable for parquet, timber, bamboo, and engineered flooring. It bonds to most subfloors including concrete, screed, plywood, and even damp slabs — without needing primers in most cases.
Can X’traseal MS-608 be applied to a damp slab?
Yes. MS-608 is moisture-tolerant and can bond directly to damp concrete (not wet or ponded). It will not break down from residual slab moisture and does not require sealing beforehand.
Is MS-608 safe to use indoors with poor ventilation?
Yes. X’traseal MS-608 is solvent-free, isocyanate-free, and odourless, making it suitable for use in enclosed spaces such as offices, hospitals, and homes — even during occupancy.
Can the adhesive be used externally?
Yes. MS-608 is UV- and weather-resistant, making it suitable for external installations such as decking or balcony timber. However, it is not suitable for submerged or continuous water exposure.
How do I clean tools after using MS-608?
Clean tools and excess adhesive while wet using mineral spirits or a suitable adhesive remover. Once cured, the product must be removed mechanically.
Applications & Benefits
| Application / Use Case | Key Benefit | Primary Trades |
|---|---|---|
| Bonding parquet and solid timber flooring | High flexibility and sound dampening reduce risk of cupping or noise | Flooring Installers, Builders |
| Installing engineered or laminate flooring over damp concrete | Tolerates moisture without debonding or requiring primers | Joiners, Site Installers |
| Interior fitouts in schools, hospitals, and offices | Odourless, low-emission formula meets health & safety requirements | Architects, Fitout Contractors |
| Outdoor timber decking and balcony cladding | UV- and weather-resistant formula handles temperature cycling | Carpenters, Renovators |
| Hybrid adhesive/sealant for acoustic flooring systems | Elastic cure absorbs vibration and sound across multiple substrates | Builders, Acoustic Installers |
How to Apply X’traseal MS-608 Flooring Adhesive
-
Step 1: Substrate Preparation
Ensure the subfloor is clean, solid, and free from dust, grease, oil, curing agents, or loose materials. Slight dampness is acceptable; do not apply over standing water.
Pro Tip: Use a moisture test if unsure — MS-608 can tolerate residual moisture but not pooling. -
Step 2: Adhesive Application
Apply MS-608 directly from sausage or drum using a notched trowel. Recommended notch: 4 x 4 mm for small boards; 6 x 6 mm for engineered or large panels.
Pro Tip: Spread only as much as can be covered within 30 minutes to maintain open time and bond integrity. -
Step 3: Flooring Placement
Place flooring into wet adhesive and press down firmly. Tap boards into position using a rubber mallet and ensure full contact with adhesive bed.
Pro Tip: Use spacers and alignment guides to maintain layout accuracy — repositioning is possible within open time. -
Step 4: Curing & Traffic
Allow adhesive to cure undisturbed. Light foot traffic is acceptable after 24 hours under normal conditions. Full strength develops in 5–7 days.
Pro Tip: Delay sanding or finishing until full cure is achieved to avoid movement. -
Step 5: Cleanup
Remove excess adhesive immediately with mineral spirits or an adhesive wipe. Once cured, MS-608 must be trimmed or scraped off mechanically.
Pro Tip: Mask edges if working with finished flooring to simplify cleanup.
Limitations & Safety
Product Limitations
Do not use on polyethylene (PE), polypropylene (PP), PTFE, or bitumen-based substrates.
Not suitable for structural glazing, expansion joints, or permanently submerged conditions.
Avoid using over materials containing plasticisers without testing. May inhibit cure or bond strength.
Do not apply at temperatures below 5°C or above 40°C.
Safety & Handling Guidelines
Personal Protective Equipment (PPE)
Wear nitrile gloves and safety glasses when applying. Long sleeves are recommended. Wash hands thoroughly after handling.
Ventilation Requirements
MS-608 is odourless and solvent-free, but good ventilation is recommended in enclosed areas to assist cure and comfort.
Storage & Fire Risk
Store unopened containers in a dry, cool location between 5°C and 30°C. Keep away from heat and sunlight. Not flammable in liquid or cured form.
Emergency First Aid Measures
Eyes:
Flush immediately with water for at least 15 minutes. Seek medical attention if irritation persists.
Skin:
Remove with soap and water. Do not use solvents on skin.
Inhaled:
Move to fresh air. Product is non-hazardous under normal use but monitor for symptoms.
Swallowed:
Rinse mouth. Do not induce vomiting. Seek medical attention immediately.
Substrate Compatibility & Preparation
Timber & Engineered Wood
Surface Preparation
Ensure boards are acclimatised and free from dust or processing residue. Light sanding may help with roughened factory edges.
Primer Requirements
No primer required
Bond directly using correct notched trowel. Do not pre-wet or coat timber.
Concrete, Screeds & Masonry
Surface Preparation
Substrate must be sound, clean, and free from dust, laitance, curing agents or oil. Slightly damp is acceptable but no standing water.
Primer Requirements
No primer required
MS-608 is compatible with both dry and damp mineral substrates.
Plywood, Chipboard & Panel Sheets
Surface Preparation
Clean, dry, and lightly scuff if surface is glossy or sealed. Ensure full contact with subfloor beneath.
Primer Requirements
No primer required
Apply adhesive with notched trowel and press evenly.
Aluminium, Stainless & Galvanised Metals
Surface Preparation
Abrade lightly and degrease with isopropyl alcohol or MEK. Ensure no film remains.
Primer Requirements
Primer may be required
Use primer for critical structural applications or long-term exterior exposure.
Plastics (PVC, Acrylic, HDPE)
Surface Preparation
Wipe with alcohol-based cleaner. Perform adhesion tests first.
Primer Requirements
Test required — compatibility varies
Not recommended for PE, PP, PTFE, or plasticised PVC without adhesion tests. Use alternative product where bonding fails.
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