Page 14 - SureCav Design Handbook 2018

Page | 14 Quick Facts

Typical installation ● Traditional block inner leaf

Suggestions for Block and Timber-Frame ● Timber-frame options with or without
insulation in the cavity

Timber-frame suggestions Traditional construction with stone
and block inner leaf
140mm insulated
timber-frame;
9mm sheathing c/w SureCav25 panels
breather-membrane
and VCL
75mm Insulation
SureCav25 panels Natural stone 100mm concrete
block inner leaf
Wall ties
SureCav25 with brick outer leaf Provide air/perp
installed against breather-membrane vent or similar to
suit cavity
ventilation
140mm insulated requirements
timber-frame;
9mm sheathing c/w DPC 150mm min.
breather-membrane above ground level
and VCL

SureCav25 panels
Trenchfill
foundation
SureCav25 with natural stone outer leaf 1 metre min.
installed against breather-membrane below ground level

140mm insulated
timber-frame; SureCav installation instructions
9mm sheathing c/w ● Construct the inner leaf in the usual way, setting the wall
breather-membrane ties in the blockwork or support studs of the timber-frame,
and VCL
each 450mm vertically.
● Trim the joining strip up to the tie and continue with the
SureCav25 panels off-cut the other side. To avoid piercing the panels when
building next to doorways and openings, double up the
ties within 225mm of the opening, each board-course
vertically.
Designers are now adding insulation
in the cavity to lower U-Values ● Ensure that all perp vents have a corresponding vent made
through the SureCav panel to allow proper cavity
Suitable for block, timber-frame, SIPS, ventilation.
ICF and steel frame inner leaf and all ● Always select wall-ties of the correct length and consistent
types of masonry external finishes. with local authority regulations.