Breathable Roofing Underlayment Nonwoven Membrane — Manufacturer India
Breathable Roofing Underlayment Nonwoven Membrane India is a critical B2B raw material supplied by Favourite Fab — a manufacturer-direct nonwoven fabric source serving industrial OEMs, hygiene converters, and export buyers across 50+ countries from Agra, India.
What Is Breathable Roofing Underlayment Nonwoven Membrane India
Breathable roofing underlayment is a vapour-permeable, water-resistant nonwoven membrane installed beneath tiles, shingles, or metal sheets. It blocks rainwater ingress while allowing roof-deck moisture to escape — preventing condensation, mould, and timber rot. India’s infrastructure boom and stricter building codes have driven demand from roofing contractors and house-wrap converters.
Breathable Roofing Underlayment Nonwoven Membrane India — Specifications and Options
| Material / Property | Specification | Detail |
|---|---|---|
| Polymer | PP spunbond / PE composite | UV-stabilised |
| GSM | 100–200 g/m² | Light to heavy duty |
| Water column resistance | ≥1,500 mm | EN 20811 tested |
| Water vapour permeability | ≥1,500 g/m²/24hr | EN ISO 12572 |
| Tensile MD/CD | 300/200 N/50mm min | EN 12311-1 |
| UV stability | 3+ months exposed | Critical during install |
| Width range | 1.0–3.0 m | Standard 1.5 m rolls |
Why Source From Favourite Fab
- MOQ-friendly — suitable for small and large OEM manufacturers
- Export-ready — ships raw materials to 50+ countries from Agra, India
- ISO 9001 certified manufacturing facility
- 10+ years supplying nonwoven raw materials to industrial and hygiene OEMs
- Custom GSM, width, and treatment available on request
Pricing and MOQ
Favourite Fab offers competitive wholesale pricing structured for B2B procurement. Minimum order quantity is 500 kg per specification, with sample rolls of 10–20 kg available for machine trials. Volume pricing available for orders above 5,000 kg per month — send your specifications for a same-day FOB quote.
How to Order
- Send material specifications to sale@favouritehub.com — fabric type, GSM, width, monthly volume, treatments required
- Receive FOB or CIF quote and dispatched sample within 48 hours
- Confirm order — production starts and dispatch within 21–30 days
Frequently Asked Questions
Q: What W1 / W2 class roofing membrane is supplied?
A: Our breathable underlayment meets EN 13859-1 W1 (waterproofing) and Sd ≤0.1 m (vapour permeable). Custom grades for tropical-climate applications available.
Q: How long can the membrane stay UV-exposed before tile installation?
A: Standard UV-stabilised grade tolerates 3 months exposure. Reinforced 4-month and 6-month grades supplied for delayed-install projects.
Q: Does the membrane meet Indian building codes?
A: Yes. Compliant with NBC 2016 Part 6 Section 8 (roof construction). Reaction-to-fire class E per EN 13501-1 standard.
Q: Can you supply printed / branded rolls?
A: Yes. Custom edge-printing with brand logo and installation guidelines available — minimum order 5,000 m² per print design.
Q: Minimum order quantity?
A: MOQ is 5,000 m² per grade. Sample sheets 1 m² provided for water-resistance and vapour-permeability validation.
Q: Do you handle export to GCC and African markets?
A: Yes. Regular shipments to UAE, Saudi Arabia, Nigeria, and Kenya via FOB Nhava Sheva or Mundra. HS code 5603.94 standard classification.
Contact Favourite Fab
Email: sale@favouritehub.com
WhatsApp: +91-9528811566
Send your nonwoven fabric specifications today — fabric type, GSM, width, treatments, monthly volume. Receive a same-day quote and 10–20 kg sample dispatch within 48 hours for machine trials.
Technical Specifications
| Parameter | Value |
|---|---|
| GSM Range | 100–200 GSM |
| Base Fiber | PP spunbond |
| Vapor Permeability | Vapor-permeable (breathable membrane) |
| Standard | DIN EN 13859 roofing underlay |
| Sd Value | <0.02 m (highly breathable) |
| Water Column Resistance | ≥1000 mm H₂O |
| Width Options | 1.6 m – 3.2 m |
| UV Stabilization | Available (6–12 month UV exposure rating) |
B2B Applications & OEM Use-Cases
- Roofing System Manufacturers: Companies producing prefabricated roofing systems for industrial sheds, warehouses, and commercial buildings source our DIN EN 13859-compliant PP spunbond underlay membrane to provide wind-driven rain protection while allowing structural vapour diffusion.
- Construction Material Distributors: B2B distributors supplying green-building and energy-efficient construction materials specify our breathable underlayment to contractors for compliance with BIS and NBC vapour-control requirements in humid Indian climates.
- Modular Building Fabricators: Prefab and modular building OEMs integrate our UV-stabilised underlayment rolls into wall and roof panel assemblies during factory fabrication, eliminating on-site membrane installation and reducing project timelines.
Sourcing from Favourite Fab — MOQ, Lead Time & Customisation
- MOQ: 500 kg per specification
- Lead Time: 7–14 days domestic India / 21–30 days export
- Custom Options: GSM 100–200, width 1.6 m–3.2 m, UV stabilisation level, printed branding, coloured face options
- Certification: ISO 9001 certified manufacturing facility, Agra, India
- Pricing: Competitive wholesale pricing — contact our B2B sales team for volume quotations
Frequently Asked Questions
What does Sd <0.02 m mean for a breathable roofing underlayment?
The Sd value (equivalent air-layer thickness) quantifies vapour diffusion resistance. An Sd <0.02 m means the membrane presents almost no resistance to water vapour passing through it — classifying it as a highly breathable (Class A1) underlayment per EN 13859. This is essential in insulated pitched roofs to prevent interstitial condensation and mould growth within the roof structure.
Can your roofing underlayment withstand Indian monsoon conditions?
Yes. Our PP spunbond underlayment is engineered to resist wind-driven rain (≥1000 mm H₂O water column), UV degradation during installation exposure, and temperature cycling between 0°C and 80°C. The hydrophobic surface treatment ensures water runoff without delamination. For coastal or high-humidity regions, we recommend our heavier 150–200 GSM grades.
Is this product suitable for flat roofs as well as pitched roofs?
Our breathable nonwoven membrane is primarily designed for pitched roofs (≥5° slope) where water gravity drainage is assured. For flat or low-slope roofs, a waterproofing membrane with controlled vapour permeability is required. We can recommend appropriate product grades based on your roof angle, insulation type, and regional climate — please contact our technical sales team.
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Gaurav Garg
I'm Gaurav Garg, CEO of Favourite Fab, a company on a mission to revolutionize the nonwoven industry with sustainable practices. We work hand-in-hand with manufacturers and suppliers who share our commitment to eco-friendly production. With a deep interest in textile innovation, I'm passionate about educating consumers about sustainable material options and their potential to transform the nonwoven landscape.
