Page 5 - Architects Design and Installation Manual

Quick facts: Page | 5

● The installation procedures described BBA Specification
apply to both SureCav25 and SureCav50
Certificate 04/4154 extract
● The only difference is the width of the
residual cavity, either 25mm or 50mm Description

1 Description
1.1 The SureCav Cavity Wall Spacer System is a black, recycled polypropylene sheet, with raised spacer protrusions at
260 mm centres (see Figure 1). The sheets interlock via black PVC-U joining H-section profile strips at all edges when
installed.
Figure 1 Panel detail (all dimensions in mm)

1.2 The system has characteristics shown in Table
Table 1 Nominal characteristics
Component Dimensions (mm)
Length 1200
Width 450
Panel Total thickness 25 and 50
Sheet thickness 2
Spacer height 23 and 48
Joining Strips Horizontal strips length 900
Vertical face strips length 400
1.3 Ancillary items used with the system include: • retaining clips • proprietary steel wire wall ties.
1.4 Additional vertical twist ties in accordance with DD 140-2 : 1987 or BS EN 845-1 : 2013 may be required for
structural stability in accordance with PD 6697 : 2010, where the overall cavity width exceeds 75 mm (see section
14.13).
2 Manufacture
2.1 The SureCav Cavity Wall Spacer sheets are injection moulded, and joining strips are extruded.