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Description

A range of insulated cavity closers for use in cavity wall constructions of widths from 50 mm upwards.

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.

Manthorpe range of cavity closers can accommodate standard window reveals, and rebated check reveals.

General information
Specification data
Product Reference

G240

G242

G243

G244

G249F

G249R

Accessories

Not required

G245 Fixing Clip

G246 Right Angle Fixing Clip

Used to form cavity frames.

Product Options

Product reference:

- 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.

Accessories:

- G245 Fixing clip:

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

Third party certifications

Additional certifications:

  • Warrington Fire and Research : 134212 : G249R and G249F