







MAPEI Mapeguard 2 225-sq ft Premium 40-mil Flooring Underlayment
Mapeguard 2 40-mil Peel-and-Stick Flooring Underlayment
Mapeguard 2 is a next-generation 40-mil, fabric-reinforced peel-and-stick membrane that provides crack isolation, waterproofing, and sound reduction under tile, stone, and wood flooring. This lightweight, load-bearing underlayment helps prevent in-plane floor cracks up to 3/8 in. from telegraphing and reduces impact and airborne sound transmission.
Key Features:
- 3-in-1 Protection: Crack isolation, waterproofing, and sound reduction in a single 40‑mil membrane
- Crack Prevention: Bridges existing or future in‑plane cracks up to 3/8 in. (10 mm)
- Peel-and-Stick Installation: Fabric-reinforced, lightweight sheet for fast application
- Versatile Coverage: Ideal under ceramic tile, natural stone, and wood floor coverings
- Vapor Control: Helps limit moisture transmission for long-term floor performance
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Coverage | 225 sq ft (20.9 m²) |
| Thickness | 40 mil (1 mm) |
| Type | Peel-and-stick, fabric-reinforced, load-bearing sheet membrane |
| Functions | Crack isolation, waterproofing, vapor control, and sound reduction |
| Crack-bridging capability | Up to 3/8 in. (10 mm) in-plane movement |
| Recommended floor coverings | Ceramic tile, natural stone, and wood |
| Product name | Mapeguard 2 |
Frequently Asked Questions (FAQ):
Q: What floor types can be installed over Mapeguard 2?
A: Ceramic tile, natural stone, and wood floor coverings are suitable over Mapeguard 2.
Q: How much crack movement does it handle?
A: It helps prevent in‑plane cracks with movement up to 3/8 in. (10 mm) from telegraphing.
Q: Is Mapeguard 2 waterproof?
A: Yes, it functions as a waterproofing membrane when seams and penetrations are properly treated per instructions.
Q: Does it reduce sound?
A: Yes, it reduces both impact and airborne sound transmission through floors.
Q: How thick is the membrane?
A: The membrane is 40 mil (approximately 1 mm) thick.
Quiet Confidence Underfoot
Mapeguard 2 slips beneath your finish floor like couture lining—sleek, protective, and whisper-quiet. Its 40‑mil body delivers a refined hush while shielding tile, stone, or wood from cracks and moisture. Pair it with large-format porcelain or a smoked oak plank to let rooms feel serene and seamless. It’s a discreet essential that elevates everyday luxury from the ground up.
Safeguard your next install with Mapeguard 2—add it to your project for quieter, crack-free floors that last.
Original: $247.50
-70%$247.50
$74.25Product Information
Product Information
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Shipping & Returns
Description
Mapeguard 2 40-mil Peel-and-Stick Flooring Underlayment
Mapeguard 2 is a next-generation 40-mil, fabric-reinforced peel-and-stick membrane that provides crack isolation, waterproofing, and sound reduction under tile, stone, and wood flooring. This lightweight, load-bearing underlayment helps prevent in-plane floor cracks up to 3/8 in. from telegraphing and reduces impact and airborne sound transmission.
Key Features:
- 3-in-1 Protection: Crack isolation, waterproofing, and sound reduction in a single 40‑mil membrane
- Crack Prevention: Bridges existing or future in‑plane cracks up to 3/8 in. (10 mm)
- Peel-and-Stick Installation: Fabric-reinforced, lightweight sheet for fast application
- Versatile Coverage: Ideal under ceramic tile, natural stone, and wood floor coverings
- Vapor Control: Helps limit moisture transmission for long-term floor performance
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Coverage | 225 sq ft (20.9 m²) |
| Thickness | 40 mil (1 mm) |
| Type | Peel-and-stick, fabric-reinforced, load-bearing sheet membrane |
| Functions | Crack isolation, waterproofing, vapor control, and sound reduction |
| Crack-bridging capability | Up to 3/8 in. (10 mm) in-plane movement |
| Recommended floor coverings | Ceramic tile, natural stone, and wood |
| Product name | Mapeguard 2 |
Frequently Asked Questions (FAQ):
Q: What floor types can be installed over Mapeguard 2?
A: Ceramic tile, natural stone, and wood floor coverings are suitable over Mapeguard 2.
Q: How much crack movement does it handle?
A: It helps prevent in‑plane cracks with movement up to 3/8 in. (10 mm) from telegraphing.
Q: Is Mapeguard 2 waterproof?
A: Yes, it functions as a waterproofing membrane when seams and penetrations are properly treated per instructions.
Q: Does it reduce sound?
A: Yes, it reduces both impact and airborne sound transmission through floors.
Q: How thick is the membrane?
A: The membrane is 40 mil (approximately 1 mm) thick.
Quiet Confidence Underfoot
Mapeguard 2 slips beneath your finish floor like couture lining—sleek, protective, and whisper-quiet. Its 40‑mil body delivers a refined hush while shielding tile, stone, or wood from cracks and moisture. Pair it with large-format porcelain or a smoked oak plank to let rooms feel serene and seamless. It’s a discreet essential that elevates everyday luxury from the ground up.
Safeguard your next install with Mapeguard 2—add it to your project for quieter, crack-free floors that last.












