Actions to prevent flooding
around the house
With global warming and the resulting climate changes,
flooding is increasingly becoming a problem. Often the
ordinary householder thinks there is nothing they can do
to protect their property - but now there is !
This page will help you gain a better understanding on
how floods can damage your property and how products
If an Antiflood Barrier has been fitted, the chances are that seepage will not effect your
basement, however this cannot be guaranteed. Seepage through the ground is a gradual
process and is subject to a lot of variables, such as:
• Has your basement been adequately tanked? If not, what is the porosity of the
• Do you have cracked or damaged drains?
There are many, many more factors that can also take effect.
This is the same as with basements, with the exception that the area beneath the floor is
unlikely to have been tanked. A sump situated roughly at the centre of the house could be
used in conjunction with a pump to remove any collected water. It would, however, not be
advisable to set the sump too deep as penetration through the water table could occur and
this would not be good in the long term.
If you do decide to install a sump, as with many building projects, it is recommended that you
use a professional to complete the work.
Over the years, ground levels around external walls tend to rise. Maybe a patio or pathway
has been built higher than the recommended 6 inches below damp proof course level?
Whatever the reason, you may find yourself with a potential water entry point. If the Antiflood
Barrier has been fitted, air bricks will usually be protected.
There are, however, other factors that need to be considered: If rainwater or run-off were to
collect inside the barrier, can it be pumped out quickly enough in relationship to the height of
the air brick? If in doubt, consider using a device de