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Party Wall Head Cap

Verified by manufacturer 8 days ago

Mayplas

A party wall head cap.

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+44 (0)161 447 8320 Website

Application

Suitable for sloping roofs up to 40°. The Party Wall Head System prevents the spread of fire and smoke across a party wall junction.

Description

The Mayplas PARTY WALL HEAD System is intended to provide fire protection compartmentation at the party wall junction above a twin spandrel panel for both masonry and timber frame applications.

The Party Wall Head System comprises of two components:

  1. The Party Wall Head Cap which is fitted over the entire width of the spandrel panels but under the breather membrane.
  2. The Tile Batten Barrier which is fitted over the Party Wall Head Cap, into which the counter battens are fitted.

To ensure the reported and tested fire resistance performance both components must be installed as per Mayplas’ instruction.

Mayplas' Party Head Wall system is designed to address the Building Regulations requirement to maintain the continuity of fire resistance between a compartment party wall and the underside of the roof covering or deck.

The Party Wall Head Cap and the Tile Batten Barrier both consist of stone mineral wool of differing thicknesses enclosed in a coloured polythene.

Features and benefits:

  • Suitable for party wall cavities up to 200 mm wide.
  • Assessed to BS 476-20 and -22: achieves 60 minutes fire integrity and 60 minutes insulation.
  • Closed state barrier.
  • Stone mineral wool core.
  • Components sleeved in differently coloured polythene.
  • Cut to size on site.
  • Assists in reducing flanking sound transmission between properties.
  • Flexibility to fit installation variations.
  • Easy identification so that the right product is correctly placed.
  • Achieves the desired fire performance for compartmentation.
  • Compression 10 mm (minimum).
  • Thermal Resistance: Dependant upon the overall product thickness. Please consult manufacturer for further details.

General information

Color

Blue

Material

Mineral wool

Shape

Rectangle

Length

1200 mm

Height

40 mm

50 mm

60 mm

Manufacturer guidance

Thickness.

Uniclass

Pr_25_80_81_51 Mineral wool fire-stoppingPrimary

CAWS

P12/40 Mineral wool rigid batts

P12/360 Mineral wool rigid batts

Specification data - Mineral wool fire-stopping

Material

-

Third-party certification

Kiwa Fire Safety Compliance report PAR/25302/01.

Type

Rigid.

Facing

Flanged blue polythene to enable fixing by staples onto the rafters.

Fire performance

To BS 476-20 and -22: 60 minutes fire integrity and 60 minutes insulation.

Thickness

40 mm.

50 mm.

60 mm.

Width

200 mm.

Guidance for specification option:

Width when used with 75 mm timber frame spandrels.

250 mm.

Guidance for specification option:

  • Width when used with 75 mm timber frame spandrels
  • Width when used with 100 mm for masonry spandrel blocks

225 mm.

Guidance for specification option:

Width when used with 75 mm timber frame spandrels.

275 mm.

Guidance for specification option:

Width when used with 100 mm for masonry spandrel blocks

300 mm.

Guidance for specification option:

Width when used with 100 mm for masonry spandrel blocks.

Manufacturer guidance

A party wall cavity width is typically 100mm. For larger party wall cavity widths please consult the manufacturer. Timber frame spandrels must be a minimum or 75 mm in width either side of the party wall cavity.

Length: 1200 mm.

ThermalConductivity

Stone Mineral Wool 0.035 (W/mK).

Sustainability data

Material

Mineral wool

Literature

Mayplas Party Wall Head System Technical Data Sheet Issue 1 12 2024

Mayplas Party Wall Head System Technical Data Sheet Issue 1 12 2024

Mayplas Party Wall Head System - Installation Guide

Mayplas Party Wall Head System - Installation Guide

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