Page 33 - Architects Design and Installation Manual

Quick Facts Page | 33

● Helps to lower U-Values Insulation
● More insulation in a 100mm cavity Heat conservation
● Clean and moisture-free cavities

Example: Brick builds: Lower the U-Value…with the help of SureCav25!
100mm overall cavity width
75mm insulation
25mm SureCav25 (clear cavity) Heat conservation is a prime concern in modern dwellings. By
U-Value is 0.18 W/m 2 K
maintaining the original internal and external dimensions of
75mm insulation the property, SureCav25 will release an additional 25mm that
can be used for extra insulation in the cavity. Using the
SureCav25
25mm clear cavity example below in the chart, 0.18 W/m²K can be achieved by
Brick or increasing the insulation to 75mm. This solution is ideal when
other masonry
working with a specified 100mm overall cavity. By increasing
Suitable for all the cavity to 125mm, a U-Value of 0.15 W/m²K is possible.
masonry finishes
Insulation Options using SureCav25
SureCav25 shown
with lightweight Brick or stone outer leaf - lightweight block inner leaf (0.15)
block inner leaf and plus 3mm skim on 12mm plasterboard
12.5mm plasterboard
Overall cavity Insulation Clear cavity with U-Value
width (mm) (mm) SureCav25 mm) (W/m K)
2
75 50 25 0.24
● Lower the U-Value with extra insulation
100 75 25 0.18
● Guaranteed clean and moisture free 25mm
clear cavity 125 100 25 0.15
145 120 25 0.14
● Using the original external dimensions of the property,
SureCav25 will create around 1.25% extra floor space in
SureCav25
(Cut-away the dwelling, rising to 6% or more additional space in
to show some cases. Consider this, with a 1.25% gain this is
25mm equivalent to the floor space of 1 extra house on an 80
deep house site!
pods)
● Alternatively, SureCav25 makes more space in the
cavity for insulation, making it possible to achieve a U-
value of 0.18 W/m²K within a 100mm overall cavity
25mm ● Guarantees a consistent clean, mortar- free and
clear
moisture-free 25mm clear cavity
cavity
● BBA approved 25mm free cavity in very severe
exposure zones with SureCav25
Illustration shows an overall cavity of ● Durable and remains effective for the life of the
100mm, comprising 25mm clear building
cavity with SureCav25 and 75mm ● SureCav25 will significantly reduce labour and material
insulation giving 0.18 W/m²K. costs with a faster, cleaner build
(Standard 50/50 cavity is 0.24 W/m²K) ● Ensures no water penetration from wind driven rain