Damp proofing, wet rot, woodworm and property refurbishment services in Dorset and Hampshire

Damp & Property Preservation services across Dorset & Hampshire
We're now fully open so get in touch today!
EXPERTS IN TREATING TIMBER DECAY
DRY ROT & WET ROT
IMPROVING VENTILATION
& CONDENSATION CONTROL
PROPERTY CONVERSIONS, EXTENSIONS
& REFURBISHMENTS
AFFORDABLE DAMP PROOFING
WE BEAT ANY LIKE FOR LIKE QUOTE
8th May 2018
How does a damp proofing injection work?

How does a damp proofing injection work?

Category: Damp Proofing

How exactly does a damp proofing injection work in preventing damp in your property and what is the method involved? We discuss all you need to know. We offer chemical injections with a 20 year guarantee as part of our damp proofing service.

How does a Damp Proofing injection work?

A chemical injection is the quickest method available to damp proof your property and involves injecting a damp proof cream into holes that are drilled into the mortar joints of your wall. The cream is designed to penetrate deep into the masonry and lines pores and capillaries with a waterproof coating in order to create a barrier against rising damp.

What is involved in a chemical injection damp proof course?

Both internal and external walls must be prepped properly before beginning a damp proof injection. If you are already suffering from rising damp, then you may see signs of a tide mark both on your inner and outer walls. It is important that you remove all damaged and contaminated plaster before proceeding with the chemical injection, as well as remove skirting boards and radiators in the area.

Holes must be drilled to specific specifications, otherwise the effectiveness of the damp proof injection could be compromised. Holes should follow the mortar joints in a line and you should never drill directly into brick or stone.

 

Holes should be 150mm above ground level with a 12mm drill bit to a depth of 10-20mm from the opposite wall face and 120mm centres. This step is extremely important and can often be done incorrectly. It’s therefore wise to employ the help of a professional such as ourselves before attempting it.

Finally, inject the cream using a low pressure sprayer into the drilled holes in the mortar joints and leave to coat the pores and capillaries of your masonry effectively.


We offer an effective chemical injection damp proof course to help protect your home against rising damp and it even comes with a 20 year guarantee! We are local experts in Dorset & Hampshire for all damp problems, contact us today!

How To Protect Your Timbers From Rot

How To Protect Your Timbers From Rot

1st February 2024

The words “Timber Rot” can be every homeowner's nightmare, as it conjures images of expensive repairs and even replacements. With consequences that have a significant impact on structural integrity, load-bearing and safety, this is something that should be considered before the problem arises.

Category: General
Request a callback
Don’t miss out! Please tick this box if you would like to receive future offers, promotions & news from Croft Preservation. Please see our Privacy Policy for full Ts & Cs.

Our accreditations

Checkatrade
Croft Preservation - Checkatrade
This site uses some unobtrusive cookies to store information on your computer. By using our site you accept our Terms And Conditions and Privacy Policy. ×