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Cavity Closers

Verified by manufacturer over a year ago

Type G240 Rigid cavity closer with double flange.

Manthorpe Building Products Ltd Variant:
Third party certifications:
  • BBA Agrément Certificate

    BBA Agrément Certificate

    Certificate type

A range of BBA approved and fire resistant cavity closers.

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Application

For use in cavity wall constructions of widths from 50 mm upwards.

Description

A range of insulated, fire-resistant and BBA approved and cavity closers.


Features and benefits:

  • The products are designed for use at door and window openings, providing a damp proof barrier between inner and outer wall leaves without forming a thermal bridge.
  • Can accommodate standard window reveals and rebated check reveals.


Product options:

- Type G240 Rigid cavity closer with double flange:

  • BBA approved.
  • Comprising a core of CFC-free, 27 mm polystyrene insulation with a fire retardant additive, with extruded PVC-U sections push-fitted either side.
  • PVC-U sections incorporate fixing channels (ribbed flanges include fixing holes in the flange).
  • Suitable for use where the inner and outer masonry leaves are in line.
  • Meets the required U-value at the reveal of door and window openings when the frames are fixed to allow a 15 mm overlap into the cavity.
  • Widths: 50 mm, 65 mm, 75 mm, 90 mm, 100 mm, 150 mm. Intermediate sizes are available on request.
  • K-value: 0.035 W/m·K.

- Type G242 Rigid cavity closer with single flange:

  • BBA approved.
  • Comprising a core of CFC-free, 27 mm polystyrene insulation with a fire retardant additive, with extruded PVC-U sections push-fitted either side.
  • PVC-U sections incorporate fixing channels (ribbed flanges include fixing holes in the flange).
  • Suitable for use where the brickwork is rebated to the blockwork.
  • Widths: 50 mm, 65 mm, 75 mm, 90 mm, 100 mm, 150 mm. Intermediate sizes are available on request.
  • K-value: 0.035 W/m·K.

- Type G243 Flexible cavity closer with double flange:

  • BBA approved.
  • Comprising a core of CFC-free, 24 mm polystyrene insulation with a fire retardant additive, with extruded PVC-U sections push-fitted either side.
  • PVC-U sections incorporate fixing channels (ribbed flanges include fixing holes in the flange).
  • Type G243 is suitable for use with circular and arched openings.
  • Widths: 50 mm, 65 mm, 75 mm, 90 mm, 100 mm, 150 mm. Intermediate sizes are available on request.
  • K-value: 0.035 W/m·K.

- Type G244 Flexible cavity closer with single flange:

  • BBA approved.
  • Comprising a core of CFC-free, 24 mm polystyrene insulation with a fire retardant additive, with extruded PVC-U sections push-fitted either side.
  • PVC-U sections incorporate fixing channels (ribbed flanges include fixing holes in the flange).
  • Type G244 is suitable for use with circular and arched openings.
  • Widths: 50 mm, 65 mm, 75 mm, 90 mm, 100 mm, 150 mm. Intermediate sizes are available on request.
  • K-value: 0.035 W/m·K.

- Type G249F 30 Minute Fire Rated Cavity Closer:

  • Comprising an enclosed box construction with a fibre insulating core, providing a solution to cold bridging and acting as a damp proof course and 30 minute fire barrier.
  • The unique compressible clip feature allows the product to expand within the cavity, creating a continuous seal.
  • Type G249F is suitable for new and refurbishment projects.
  • Cavity widths: 50–70 mm, 70–90 mm, 90–110 mm, 110–130 mm.
  • K-value: 0.039 W/m·K.
  • Performance: Designed to comply with The Building Regulations Part L and Scottish Technical Standards Part D.

- Type G249R 30 Minute Fire Rated Cavity Closer:

  • Comprising an enclosed box construction with a fibre insulating core, providing a solution to cold bridging and acting as a damp proof course and 30 minute fire barrier.
  • The unique compressible clip feature allows the product to expand within the cavity, creating a continuous seal.
  • Type G249R is suitable for new and refurbishment projects.
  • Cavity widths: 50–70 mm, 70–90 mm, 90–110 mm, 110–130 mm.
  • K-value: 0.039 W/m·K.
  • Performance: Designed to comply with The Building Regulations Part L and Scottish Technical Standards Part D.

General information

Material

Polystyrene

PVC-U

Size

-

Manufacturer guidance

Flexible cavity closers for cavity widths: 50 mm, 65 mm, 75 mm, 90 mm, 100 mm, 150 mm.


Fire-rated cavity closers for cavity widths: 50–70 mm, 70–90 mm, 90–110 mm, 110–130 mm.


Intermediate sizes are available on request.

Uniclass

Pr_35_90_50_64 Plastics cavity closersPrimary

CAWS

F30/180 Cavity closers

Specification data - Plastics cavity closers

Third party certification

British Board of Agrément.

Accessories

Not required.

G245 Fixing Clip.

Guidance for specification option:

Designed to tie the cavity closer into the brickwork/ blockwork coursing. Alternatively, it can also be used to join lengths of cavity closer together.

G246 Right Angle Fixing Clip.

Guidance for specification option:

Used to form cavity frames.

To fit cavity width

50 mm.

65 mm.

75 mm.

90 mm.

100 mm.

150 mm.

Thermal Conductivity:

0.035 W/m·K.

Third party certifications

BBA Agrément Certificate

BBA Agrément Certificate

BBA 96/3226

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