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Low Thermal Conductivity Wall Ties - Helical Cavity Tie

Verified by manufacturer 2 months ago

NEUTRAS 2

Vista Engineering Ltd Variant:
Third party certifications:
  • BBA Agrément Certificate

    BBA Agrément Certificate

    Certificate type

For securing two leaves of a cavity wall to each other, allowing them to act as one structurally.

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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.

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Uniclass

Pr_20_85_84_19 Cavity wall tiesPrimary

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 2 (Masonry – general purpose).

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:

  • High specific tensile strength, 4–6 times higher than stainless steel.
  • Excellent corrosion resistance (never rusts).
  • Low thermal conductivity of 0.65 W/m·K, which is 15–20 times lower than stainless steel.
  • High compressive strength compared to conventional FRP materials.
  • Non-magnetic and electrically non-conductive.

Length

200 mm.

Guidance for specification option:

Cavity: 0–75 mm.

Supplied in packs of 250.

225 mm.

Guidance for specification option:

Cavity: 76–100 mm.

Supplied in packs of 250.

250 mm.

Guidance for specification option:

Cavity: 101–125 mm.

Supplied in packs of 250.

275 mm.

Guidance for specification option:

Cavity: 126–150 mm.

Supplied in packs of 250.

300 mm.

Guidance for specification option:

Cavity: 151–175 mm.

Supplied in packs of 250.

325 mm.

Guidance for specification option:

Cavity: 176–200 mm.

Supplied in packs of 100.

350 mm.

Guidance for specification option:

Cavity: 201–225 mm.

Supplied in packs of 100.

375 mm.

Guidance for specification option:

Cavity: 226–250 mm.

Supplied in packs of 100.

400 mm.

Guidance for specification option:

Cavity: 251–275 mm.

Supplied in packs of 100.

425 mm.

Guidance for specification option:

Cavity: 276–300 mm.

Supplied in packs of 100.

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 Agrément Certificate

BBA - NEUTRAS CAVITY WALL TIES

Literature

Wall Ties Brochure

Wall Ties Brochure

NEUTRAS-1 Low Thermal Conductivity Tie Data Sheet

NEUTRAS-1 Low Thermal Conductivity Tie Data Sheet

NEUTRAS-2 Low Thermal Conductivity Tie Data Sheet

NEUTRAS-2 Low Thermal Conductivity Tie Data Sheet

NEUTRAS-4 Low Thermal Conductivity Tie Data Sheet

NEUTRAS-4 Low Thermal Conductivity Tie Data Sheet

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