Description
SOPRA-ISO PLUS TAPERED is a sloped polyisocyanurate thermal insulation board.
Material Use:
SOPRA-ISO PLUS TAPERED is a sloped polyisocyanurate thermal insulation board designed to provide thermal resistance and promote positive drainage on roofing systems. It is primarily used in commercial and industrial flat or low-slope roofing applications to prevent ponding water and improve energy efficiency.
System Components:
This insulation board is composed of a closed-cell polyisocyanurate foam core sandwiched between polymer-coated glass fiber facers. It is compatible with SOPREMA roofing systems and can be installed using mechanical fasteners, hot bitumen, or DUOTACK adhesives. When used in a complete roofing system, it may be paired with base sheets such as COLVENT BASE 830 (without primer) or COLVENT BASE 840 (with primer), or with mechanically fastened membranes. A support panel is required before installing any other waterproofing membrane directly over this insulation.
Applications:
SOPRA-ISO PLUS TAPERED is used in roofing systems where thermal insulation and positive slope for drainage are required. It is suitable for use over metal decks and other structural substrates in both new construction and re-roofing projects. The product is available in various slopes ranging from 0.5% (1/16 in/ft) to 4% (1/2 in/ft), allowing for customized drainage design.
Application Details:
- Installation Methods: Mechanically fastened with screws and stress plates, adhered with hot bitumen (at a temperature 28 °C [50 °F] below EVT), or adhered using DUOTACK adhesives.
- Service Temperature Range: -73 °C to 122 °C (-100 °F to 250 °F).
- Board Sizes: 1.22 x 1.22 m (4 x 4 ft) and 1.22 x 2.44 m (4 x 8 ft).
- Thickness Range: 0 to 150 mm (0 to 6 in), depending on slope.
- Compressive Strength: Available in 138 kPa (20 psi) and 172 kPa (25 psi) grades.
- Thermal Resistance (LTTR):
- 25.4 mm (1 in): RSI 1.00 (R-5.7)
- 38.1 mm (1.5 in): RSI 1.50 (R-8.6)
- 50.8 mm (2 in): RSI 2.01 (R-11.4)
- Maximum Flute Spanability (Metal Deck):
- 25.4–35.56 mm: 66.7 mm (2 5/8 in)
- 38.1–101.6 mm: 111.1 mm (4 3/8 in)
Special Notes:
- Do not install waterproofing membranes directly over SOPRA-ISO PLUS TAPERED unless using COLVENT BASE 830 (no primer) or COLVENT BASE 840 (with primer), or mechanically fastened membranes. A support panel is required for all other membranes.
- The 4 x 8 ft board size must not be adhered using hot bitumen or adhesive—only mechanical fastening is permitted for this size.
- The product meets GREENGUARD GOLD certification for low chemical emissions.
- SOPRA-ISO PLUS TAPERED complies with ASTM C1289 Type II, Class 2, Grade 2 or 3 and CAN/ULC S704 Class 2, Type II or III.
- Storage must be flat, dry, and protected from weather. Temporary packaging is for transit only and should be removed to avoid condensation.
- Flame spread rating per ASTM E84 is 40–60, but this does not reflect actual fire hazard conditions.
This insulation board is a key component in SOPREMA’s roofing systems, offering both thermal performance and slope design flexibility. It is best used in conjunction with compatible base sheets and adhesives as specified by SOPREMA for optimal performance and code compliance.
https://www.soprema.ca/en/products-systems/sopra-iso-plus-tapered
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