How to Install Grass Protection Mats | Slip-Not
How to Install Grass Protection Mats
Step-by-step DIY installation guide for rubber grass mats — driveways, parking, pathways
Before You Start
Tools Needed
- Spade/shovel
- Rake
- Spirit level
- Tape measure
- String line and pegs
- Rubber mallet
- Utility knife (for cutting)
- Wheelbarrow
Materials Needed
- Grass protection mats
- Geotextile membrane (optional but recommended)
- Topsoil or sharp sand (for filling holes)
- Grass seed (hard-wearing mix)
- MOT Type 1 hardcore (if ground is soft)
Step-by-Step Installation
Step 1: Mark Out the Area
Use string lines and pegs to mark exactly where mats will go. Add 10-15cm extra on each side for adjustment. Calculate total area for ordering.
Step 2: Prepare the Ground
Remove existing turf if present (or leave if healthy). Level the ground — remove high spots, fill low spots. Compact with roller or feet.
For soft/muddy ground: Excavate 10-15cm, add MOT Type 1, compact before laying mats.
Step 3: Lay Geotextile Membrane
Roll out membrane over prepared area. Overlap joins by 15cm. This prevents soil mixing into sub-base and weeds growing through.
Step 4: Lay the Mats
Start from one corner. Lay mats in rows. Interlock each mat with its neighbour. Use rubber mallet to secure connections. Stagger joints like brickwork for stability.
Step 5: Cut Edge Pieces
Measure edge gaps. Mark mats with chalk. Cut with utility knife or jigsaw. Fit cut pieces into place.
Step 6: Fill with Soil
Brush topsoil or sharp sand into holes using stiff broom. Fill to just below mat surface. Water lightly to settle.
Step 7: Seed the Grass
Scatter grass seed into filled holes. Use hard-wearing mix (rye grass based). Cover lightly with thin soil layer. Water well.
Step 8: Establishment Period
Keep watered for 4-6 weeks. Avoid heavy traffic until grass established. First mow when grass reaches 7-8cm.
Installation Tips
💡 Pro Tips
- Check levels: Use spirit level every few mats
- Tighten connections: Ensure interlocks fully engaged
- Drainage: Slight fall (1:60) helps water runoff
- Edge restraint: Use edging or dig mats in slightly at borders
⚠️ Common Mistakes
- Laying on soft, uncompacted ground
- Not levelling properly (creates trip hazards)
- Overfilling holes (grass can't establish)
- Using wrong grass seed (needs hard-wearing type)
- Heavy use before grass establishes
Timeline
| Phase | Duration | Notes |
|---|---|---|
| Ground preparation | 1-2 hours (10m²) | Longer if excavation needed |
| Mat installation | 1-2 hours (10m²) | Two people recommended |
| Filling & seeding | 30-60 mins | Per 10m² |
| Grass establishment | 6-8 weeks | Keep watered |
| Full use | 8-12 weeks | After grass established |
Aftercare
- Watering: Regular watering for first 6 weeks
- First mow: When grass reaches 7-8cm (set mower high)
- Feeding: Light fertiliser after establishment
- Repairs: Re-seed any bare patches
- Maintenance: Normal lawn care once established
FAQs
Can I install grass mats myself?
Yes! Installation is straightforward DIY. Two people can lay 20-30m² in a day. The hardest part is ground preparation.
Do I need to remove existing grass?
Not necessarily. If grass is healthy and ground is level, you can lay mats directly on top. New grass will grow through.
How long before I can drive on them?
Immediately for emergency access. For regular use, wait 6-8 weeks until grass is established for best results.
