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ROCKWOOL® ROCKCLOSE®
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ROCKWOOL® ROCKCLOSE®

ROCKWOOL Ltd Variant:
Third party certifications:
  • BSI Kitemark

    BSI Kitemark

    Certificate type

  • QA Certificate

    QA Certificate

    Certificate type

Insulated DPC for closing cavities around window and door openings. Built-in as work proceeds.

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+44 (0)1656 862621 https://www.rockwool.com/uk/

Application

Insulated damp proof course (DPC) to reduce heat loss and provide fire protection in door and window reveals.

Description

ROCKCLOSE® is an insulated damp proof course, developed to minimize thermal bridging and provide fire protection at door and window reveals in masonry cavity walls. The product consists of a strip of semi-rigid non-combustible stone wool insulation, bonded to a black polyethylene DPC. Installed as work proceeds between the outer masonry leaf and internal closer block prior to the frames being fitted.


Features and benefits:

  • Provides one-hour fire integrity and 30 minutes' insulation.
  • Minimizes thermal bridging around openings.
  • Integral damp proof course.
  • One width covers most applications.
  • Self-supporting and easy to handle.

General information

Color

Black

Material

Polyethylene

Size

Standard thickness x width (excluding 40 mm DPC side laps) x length.

Non-standard thicknesses 20–100 mm available.

Non-standard insulation widths of 150 mm and 190 mm available (excluding 40 mm DPC side laps).


Non-standard sizes subject to minimum order quantities.

20 x 100 x 1200 mm

30 x 100 x 1200 mm

50 x 100 x 1200 mm

Uniclass 2015

Pr_35_90_50_64 Plastics cavity closersPrimary

CAWS

F30/18 Cavity closers

F30/180 Cavity closers

Specification data - Plastics cavity closers Enhanced data

To fit cavity width

Insert requirements; see also 'Width' below.

-

Length (effective)

1200 mm.

Execution

Installing dcps.

Thickness

20 mm.

Width

100 mm.

Standard. Excludes 40 mm DPC side laps.

150 mm.

Non-standard; minimum order quantities apply. Consult manufacturer for details.

Excludes 40 mm DPC side laps.

190 mm.

Non-standard; minimum order quantities apply. Consult manufacturer for details.

Excludes 40 mm DPC side laps.

Fire performance

One-hour fire integrity and 30 minutes' insulation.

Thermal resistance

0.570 W/m²K.

Third party certifications

  • British Standards Institution (BSI) - certficate : ROCKCLOSE® complies with the requirements of BS EN13162: 2001 Thermal insulation products for buildings - Factory made mineral wool (MW) products specification
  • WFRC : ROCKCLOSE® has been assessed by WFRC (Report No C114334) to provide 60 minutes integrity and 30 minutes insulation