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Rothoblaas Window Installation — Masonry Structure
Description

Rothoblaas provides a specialised system for window installation into masonry structures, with an emphasis on high-performance sealing for weather protection, energy efficiency, and acoustic insulation. The system comprises a suite of external, intermediate, and internal sealing products designed to manage moisture, improve thermal performance, and simplify installation.

The following product types are included:

  • Exterior sealing for weather protection: MS SEAL, FIRE SEALING ACRYLIC, PLASTER BAND OUT, PLASTER BAND LITE OUT, MULTI BAND, EXPAND BAND, WINDOW BAND, PROTECT, BYTUM BAND
  • Central thermal/acoustic sealing around the frame: EXPAND BAND, EXPAND BAND EVO, WINDOW BAND, HERMETIC FOAM, FIRE FOAM
  • Interior airtightness sealing: MS SEAL, FIRE SEALING ACRYLIC, PLASTER BAND IN, PLASTER BAND LITE IN
Key Features
  • Multi-layer sealing system tailored for masonry window installations
  • High-performance waterproofing, wind-tightness, and airtightness
  • Self-expanding tapes seal voids from 6–15 mm and adapt to uneven substrates
  • Maintains thermal and acoustic performance across the full depth of the joint
  • Contributes to moisture control and long-term structural integrity
  • Designed for fast and simple installation
  • Improves overall energy efficiency and indoor comfort
Scope of Use
  • Suitable for residential and commercial masonry buildings
  • Effective in both new builds and retrofit projects
  • Designed for use with flush and recessed window positioning
  • Appropriate for temperate New Zealand climate zones — additional detailing may be required in extreme conditions
Limitations on Use
  • Recommended for masonry structures — use on other structures requires specific compatibility assessment; for CLT or Timber Framing, see other listings
  • Additional protection may be necessary in harsh or extreme climates
  • Designed for use by trained professionals in accordance with Rothoblaas technical guidelines
  • Substrate preparation is critical — unsuitable surfaces may compromise performance
  • Must be installed as per Rothoblaas technical documentation to ensure compliance
Statement of Building Code Compliance

Rothoblaas window installation products, if designed, used, installed, and maintained in accordance with the conditions of Rothoblaas’s technical documentation, will comply with, or contribute to compliance with, the following performance provisions of the New Zealand Building Code:

  • B2 Durability: Performance B2.3.1 (b)
  • E2 External Moisture: Performance E2.3.2, E2.3.5
  • F2 Hazardous Building Materials: Performance F2.3.1
  • Clause H1 Energy Efficiency: Performance H1.3.1
  • Compliant with NZS 4211:2008 — Specification for performance of windows
Other Performance Attributes
  • Enhances energy efficiency and weather protection in masonry structures
  • Products designed for long-term durability
  • Warranty available — refer to Rothoblaas for specific terms
  • Maintenance includes regular inspection and cleaning to maintain seal integrity
  • Interior and exterior bands and foams tested to ensure sealing performance and longevity
Documents
How to Insulate Windows Against Air and Noise
Data Sheet: Bytum Band
Data Sheet: Expand Band
Data Sheet: Fire Foam
Data Sheet: Fire Sealing Acrylic
Data Sheet: Hermetic Foam
Data Sheet: MS Seal
Data Sheet: Multi Band
Data Sheet: Plaster Band IN | OUT
Data Sheet: Plaster Band Lite
Data Sheet: Protect
Data Sheet: Window Band

Rothoblaas is a global company whose product range encompasses fastening, airtightness, water and soundproofing, fall protection systems, and tools and machines for timber industry professionals.

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