Page 8 - SureCav Design Handbook 2018

Page | 8 Quick Facts

Reduce Wall Thickness ● SureCav25 greatly reduces wall width
● Option to increase insulation thickness
BBA approved in all exposure zones
Protected 25mm clear cavity ● Saves time and money

Example: Designed to safeguard the integrity of the cavity in timber-frame construction

Conventional timber-frame What SureCav25 will achieve!
All exposure zones
Stone outer leaf Stone outer leaf
Concrete
backing block
SureCav25
150mm
25mm
50mm cavity
Timber-frame SureCav25 Timber-frame
Reduces wall-
Plasterboard thickness by Plasterboard
125mm
Standard construction: With SureCav25:
Stone outer leaf; Backing block (100mm); No backing block (saves 100mm); Clear
150mm overall cavity width’ cavity of only 25mm, permitted by LABC
(All exposure zones)

Example: Designed to achieve a U-value of 0.18 W/m²K with a random stone outer leaf

Standard wall requirements What SureCav25 will achieve!
Stone outer leaf All exposure zones
Block backing wall Stone outer leaf
50mm cavity
SureCav25
200mm
100mm

50mm Insulation
SureCav25 75mm Insulation
Inner block leaf Reduces wall- Inner block leaf
Plasterboard thickness by Plasterboard
100mm
Standard construction: With SureCav25:
Stone outer leaf; Backing block (100mm); More insulation in a 100mm cavity!
150mm overall cavity width; 50mm clear 100mm less overall cavity width!
cavity. (All exposure zones) U-Value as low as 0.18 W/m²K