Low Thermal Conductivity Wall Ties - Helical Cavity Tie
Verified by manufacturer 24 days ago
NEUTRAS 4
NEUTRAS 4
BBA Agrément Certificate
Certificate type
For securing two leaves of a cavity wall to each other, allowing them to act as one structurally.
Application
- Light-duty wall ties (type 4) are suitable for use in domestic dwellings. Suitable for buildings with a maximum height of 10 m and cavity widths of 50–150 mm.
- General-purpose wall ties (type 2) are suitable for use in small commercial buildings and domestic dwellings. Suitable for buildings with a maximum height of 15 m and cavity widths of 50–125 and 125–150 mm.
- Heavy-duty wall ties (type 1) are suitable for most buildings in the UK of any height, with cavities up to 150 mm.
Description
For securing two leaves of a cavity wall to each other, allowing them to act as one structurally.
Features and benefits:
- Will adequately resist thermal transmittance.
- Constant drip feature to prevent moisture travelling across the cavity.
- Available with a dedicated clip to secure insulation (usually in sheet form) within the cavity.
- Tested as Type B (sound).
- Tested Types 4, 2, & 1 to BS EN 845-1.
- BBA certified 17/5462.
General information
Color | Black |
Material | Fibre Guidance for specification option: Basalt. |
Length | 200 mm 225 mm 250 mm 275 mm 300 mm Guidance for specification option: NEUTRAS 4 or 2. |
Uniclass | |
CAWS | F30/25 Cavity wall ties used with partial fill insulation F30/215 Cavity wall ties used with partial fill insulation F30/220 Wall ties F30/26 Wall ties F30/24 Cavity wall ties F30/214 Cavity wall ties |
Specification data - Cavity wall ties
Standard | To BS EN 845-1. |
Tie type | PD 6697 Type 4 (Masonry – light duty).Guidance for specification option: Neutras ties will adequately resist thermal transmittance through a cavity wall. Constant drip feature to prevent moisture travelling across cavity. |
Material | Basalt fibre composite.Guidance for specification option:
|
Length | 200 mm.Guidance for specification option: Cavity: 0–75 mm. 225 mm.Guidance for specification option: Cavity: 76–100 mm. 250 mm.Guidance for specification option: Cavity: 101–125 mm. 275 mm.Guidance for specification option: Cavity: 126–150 mm. 300 mm.Guidance for specification option: Cavity: 151–175 mm. Manufacturer guidanceSupplied in packs of 250. |
End types | Manufacturer's standard.Guidance for specification option: Consult manufacturer for details. |
Design embedment length (minimum) | Manufacturer's standard.Guidance for specification option: Consult manufacturer for details. See also Length guidance. |
Movement | Manufacturer's standard. |
Additional requirements | |
Mortar joint thickness (minimum) | Guidance for specification option: Consult manufacturer for details and insert requirements. |
Resistance to water crossing cavity | Resistant (constant drip feature).Guidance for specification option: Spiral configuration; no need for additional drip rings. |
Slope tolerance | Manufacturer's standard. |
Compressive load capacity | Manufacturer's standard.Guidance for specification option: Dependent on length specified; consult manufacturer's Declaration of Performance (DoP) literature for details. |
Tensile load capacity | Manufacturer's standard.Guidance for specification option: Dependent on length specified; consult manufacturer's Declaration of Performance (DoP) literature for details. |
Dynamic stiffness | Type B. |
Tie-mounted insulation retaining clips | ECO-clips.Guidance for specification option: Universal 80 mm-diameter insulation clip made using less plastic for reduced environmental impact. Supplied in bags of 250 or 50. Not required. |
Third party accreditation | BBA 17/5462. |
Third party certifications
BBA Agrément Certificate
BBA - NEUTRAS CAVITY WALL TIES
Literature
Wall Ties Brochure
NEUTRAS-1 Low Thermal Conductivity Tie Data Sheet
NEUTRAS-2 Low Thermal Conductivity Tie Data Sheet
NEUTRAS-4 Low Thermal Conductivity Tie Data Sheet