Breathable Membrane Roofing Underlay - 120 Gsm - Roll 1.5 X 50 M
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Product Information
Full details
This Novecrafto Breathable Membrane is designed for homeowners and builders seeking superior moisture control and durability in roofing systems. Its key benefit is providing a waterproof barrier that also allows humidity to escape, preventing common roofing issues. A potential consideration is ensuring proper installation to maintain its water-resistance ratings. This 120 GSM, 3-layer membrane functions effectively under shingles, tiles, metal sheets, or felt, offering robust protection for pitched roofs and sheds.
All features
| Model Part Number | 5061064155773 |
|---|---|
| Brand | Novecrafto |
Extended Product Information
FAQs
What is the primary function of this breathable membrane?
Its primary function is to act as a waterproof barrier against external water while allowing internal moisture vapor to escape, preventing condensation buildup within the roof structure.
What materials can be installed over this underlayment?
You can install felt, shingles, tiles, or metal sheets directly over this membrane.
What is the coverage area of one roll?
One roll covers approximately 75 square meters (75 m²).
Is this membrane suitable for flat roofs?
This membrane is designed for pitched roof systems. For flat roofs, consult specific product guidelines or professional advice.
How do I ensure maximum water resistance?
Ensure proper overlap of the membrane layers and secure them adequately with staples or tape, as per installation guidelines. The W1 rating indicates high water resistance when correctly installed.
Can this membrane be used in cold climates?
Yes, its breathable nature helps manage moisture in cold climates, preventing ice dams related to condensation.
What does the 120 GSM rating mean?
GSM stands for 'grams per square meter', indicating the weight and density of the material. 120 GSM suggests a robust and durable membrane.
Troubleshooting
Membrane appears loose or wrinkled after installation
Ensure the membrane was pulled taut during installation and that overlaps are correctly adhered. Re-staple or re-tape as needed to achieve a smooth surface.
Water ingress observed despite membrane installation
Check the integrity of the final roofing material and its installation. Inspect membrane overlaps and ensure they were properly sealed and secured. Verify that no damage occurred during installation.
Difficulty cutting or handling the membrane
Use a sharp utility knife for clean cuts. Ensure the membrane is laid out flat and supported to prevent tearing during handling.
Pros and Cons
Pros
- Excellent moisture management, preventing rot and mold.
- Durable and tear-resistant for reliable long-term protection.
- Versatile application under various roofing materials.
- Easy to install, saving time and labor.
- Provides a robust waterproof barrier.
Cons
- Requires careful installation to maintain waterproof integrity.
- Specific cleaning methods may be needed to preserve material properties.
- May not be suitable for all types of roofing structures without professional consultation.
Setup, Compatibility & Care
Setup: Unroll the membrane over the roof deck, ensuring it lies flat and without wrinkles. Overlap subsequent rolls according to manufacturer guidelines (typically 10-15 cm). Secure the membrane using staples or approved roofing tape, ensuring a taut fit. Proceed with the installation of your chosen roofing material (shingles, tiles, metal) directly over the membrane.
Compatibility: This underlayment is compatible with a wide range of roofing materials including felt, shingles, tiles, and metal sheets. It is suitable for both ventilated and fully sarked roofing systems. It is designed for pitched roof systems and general structures like sheds.
Care: Keep the membrane covered with the final roofing material as soon as possible after installation to protect it from prolonged UV exposure and environmental elements. Clean any accumulated dirt or debris with a soft brush or compressed air if necessary, avoiding harsh chemicals that could degrade the material.