Polynum Big NET FR

Polynum Big NET FR is a high-performance aluminum foil thermal insulation designed to effectively reflect heat, with a thickness of 8 mm. Engineered for high-standard industrial projects, Polynum Big NET FR is trusted by major industries for its consistency, safety, and long-term durability. Suitable for industrial applications, buildings, and food storage facilities, it provides reliable thermal protection for a wide range of uses.

Cooler All Day

Reflects up to 97% of radiant heat, helping maintain a cooler indoor temperature.

Hygienic

Free from insects and bacteria, helping prevent mold growth.

Safe & Environmentally Friendly

Made without harmful fibers while reducing energy consumption and supporting environmental sustainability.

Durable & Weather Resistance

Polynum performs reliably in all weather conditions, minimizing maintenance requirements.

Foof Grade Certified

Meets the requirements for food and pharmaceutical industries with certified food-grade materials.

Specifications	Value
Thickness	8.0 mm
Aluminium Foil Thickness	8 µm + 18 µm
Roll Size	1,2 m x 30 m
Roll Weight	± 8,6 kg
Emissivity (ASTM C-1371)	3%
Reflectivity(ASTM C-1371)	97%
Heat Resistance (Under Roof Application)	3,06 m² °C/W
Noise Reduction Coefficient (ASTM E-384)	55%
Maximum Tensile Strength (ASTM C-1336)	6000 g/cm-width
Maximum Elongation (ASTM C-1336)	12,5%
Tear Strength (ASTM D-1004)	20 N
Fire Properties (AS/NZ 1530)	4 x nol
Fire Properties (BS 476)	Class 0
Corrosion Resistance (Internal Test – HCl)	High Resistance

Install and stretch aluminum flat bars (3–4 cm wide) in parallel at 40 cm intervals. These flat bars act as supports to keep the Polynum insulation tight (prevent sagging) and neatly aligned. Ensure the bars are firmly stretched before securing them with a cordless drill.

1. Install and stretch aluminum flat bars (3–4 cm wide) in parallel at 40 cm intervals. These flat bars act as supports to keep the Polynum insulation tight (prevent sagging) and neatly aligned. Ensure the bars are firmly stretched before securing them with a cordless drill.

2. Unroll Polynum lengthwise, either vertically or horizontally. Begin installation from the bottom and work upward.

Secure the edge of the first sheet using screws or roofing nails to prevent movement during installation. Pull the sheet tight to avoid sagging, then secure the center area.

3. Secure the edge of the first sheet using screws or roofing nails to prevent movement during installation. Pull the sheet tight to avoid sagging, then secure the center area.

4. Install the next sheet beside the first with a minimum overlap of 10 cm.

Seal all overlapping joints with aluminum tape to ensure optimal protection. Make sure the entire surface is installed evenly and neatly before proceeding.

5. Seal all overlapping joints with aluminum tape to ensure optimal protection. Make sure the entire surface is installed evenly and neatly before proceeding.