Professional Carpet Underlay - PU, Crumb Rubber, Hairfelt & Combination

Premium Carpet Underlay collection featuring professional-grade PU foam, sponge rubber, crumb rubber, hairfelt, and combination underlays. Essential for every carpet installation to maximize comfort, durability, noise reduction, and thermal insulation.

Underlay Types Explained

PU Foam Underlay (7mm-11mm): Lightweight, excellent cushioning, good noise reduction. Perfect for most residential applications. Thicker = more comfort and insulation. Budget-friendly to premium options available.

Sponge Rubber: High-performance rubber underlay with superior resilience and bounce-back. Excellent for high-traffic areas. Provides exceptional comfort and long-lasting support. Premium choice for quality installations.

Crumb Rubber (Durafit): Heavy-duty recycled rubber, exceptional durability, superior noise reduction. Ideal for heavy-traffic areas and commercial use. Environmentally friendly choice with outstanding performance.

Hairfelt (Symphony): Traditional natural fiber underlay, excellent insulation, breathable. Premium choice for wool carpets and luxury installations. Classic quality that stands the test of time.

Combination (Duet Supreme): Woolfelt + Rubber Crumb layers. Ultimate performance combining natural comfort with rubber durability. Top-tier professional choice for the most demanding applications.

Key Benefits

• Superior Comfort - Luxurious cushioning underfoot for enhanced walking comfort
• Noise Reduction - Dramatically reduces sound transmission between floors
• Thermal Insulation - Improves heat retention and reduces energy costs
• Extends Carpet Life - Protects carpet backing and reduces wear
• Smooths Subfloors - Compensates for minor imperfections
• Moisture Protection - Many options include moisture barriers
• Professional Quality - Trusted brands: Floorwise, Flexilay, Tredaire, Durafit
• Eco-Friendly Options - Recycled rubber and natural fiber choices available

Coverage Information

Coverage varies by product: 10.96m² or 15.07m² per roll depending on type. Check individual variant details for exact coverage.

Why Quality Underlay Matters

Never compromise on underlay! Professional underlay is essential for:

• Warranty Protection - Most carpet warranties require proper underlay
• Comfort - Transforms how your carpet feels underfoot
• Longevity - Protects your carpet investment for years
• Acoustic Performance - Critical for apartments and multi-story homes
• Thermal Efficiency - Reduces heating costs significantly
• Professional Finish - Essential for a quality installation

Choosing the Right Underlay

Light Traffic (Bedrooms): PU 8-9mm (Senso, Traffic, Verve)

Medium Traffic (Living Rooms): PU 10-11mm (Panache, Flexilay, Allure) or Sponge Rubber (Pinnacle)

Heavy Traffic (Hallways, Stairs): Sponge Rubber (Inspiration, Red Supreme) or Crumb Rubber (Durafit 500/650)

Commercial/Office (Castor Traffic): Floorwise Lift 7mm (commercial grade), Crumb Rubber (Durafit 650)

Premium/Luxury: Hairfelt (Symphony), Combination (Duet Supreme), or Tredaire Renu

Underfloor Heating: Check product specifications - most PU and sponge rubber underlays compatible

Installation Guide

1. Prepare Subfloor: Clean, dry, and level surface required
2. Lay Underlay: Paper/film side up (if applicable), rubber/foam down
3. Butt Joints: Join edges tightly without overlapping
4. Tape Seams: Use appropriate tape for underlay type
5. Trim to Fit: Cut around room perimeter and obstacles
6. Install Carpet: Lay carpet directly over underlay

Technical Specifications

PU Foam Range:

• Thickness: 7mm to 11mm options
• Density: Varies by grade (higher = better performance)
• Tog Rating: Excellent thermal insulation
• Acoustic: Good to excellent noise reduction
• Coverage: 15.07m² per roll (standard)
• Lift 7mm PREMIUM: Ultra high-density commercial grade, mesh grid stability, 37dB sound reduction, 2.12 tog rating, withstands castor traffic

Sponge Rubber:

• Material: High-quality rubber foam
• Resilience: Excellent bounce-back and recovery
• Acoustic: Superior sound insulation
• Durability: Long-lasting performance
• Coverage: 10.96m² or 15.07m² per roll

Crumb Rubber (Durafit):

• Material: Recycled rubber granules
• Weight: 500g/m² or 650g/m² (heavier = more durable)
• Acoustic: Exceptional sound insulation
• Durability: Commercial-grade performance
• Coverage: 15.07m² per roll

Hairfelt (Symphony):

• Material: Natural wool/synthetic blend
• Weight: 42oz per square yard
• Breathable: Natural fiber construction
• Premium: Traditional quality underlay
• Coverage: 15.07m² per roll

Combination (Duet Supreme):

• Layers: Woolfelt top + Rubber crumb base
• Performance: Best-in-class all categories
• Applications: Luxury residential and commercial
• Coverage: 15.07m² per roll

Suitable For

• All carpet types (wool, synthetic, twist, saxony, berber)
• Residential installations (bedrooms, living rooms, stairs)
• Commercial applications (offices, hotels, retail)
• Concrete and wooden subfloors
• Ground floor and upper floor installations
• Underfloor heating systems (check compatibility)

Brand Information

Floorwise: Leading UK underlay manufacturer, trusted quality and innovation across PU, sponge rubber, and specialty ranges

Flexilay: Premium PU range with color-coded thickness identification for easy selection

Tredaire: Industry-leading recycled PU underlay, eco-friendly performance without compromise

Durafit: Heavy-duty crumb rubber, commercial-grade durability for the toughest applications

Select your underlay type and thickness from the options above. Each variant is professionally graded for specific applications and traffic levels. Our expert team can help you choose the perfect underlay for your project - contact us for personalized recommendations.