Damp Control in Hertfordshire

Olympic Preservation Ltd offers efficient damp control, waterproof structures, and property preservation across Hertfordshire.

Rising Damp Treatments

Control Rising Damp

Rising damp can occur in the ground floor of properties. If left untreated the
plaster can become contaminated and any timbers in close contact with the damp
walls can develop wet or dry rot infections and infestations of beetles which thrive
in a damp environment. It can also exacerbate any surface condensation issues
that the property may have.
The main cause of rising dampness due to age as earlier methods do fail over
time. Rising dampness can also be caused by high external ground level, new
construction where the damp proof course has been omitted, or incorrect replastering.


Effective Control Methods

To combat rising damp we drill into the wall of the property and inject Silicone cream or a silicone solution into the holes drilled.

We will then re-render the exposed walls to specification incorporating Sovereign Rendermix.


Signs Of Rising Damp Include:

– Peeling paper
– Salt appearing on the wall surface
– Tide marks
– Walls becoming moist to the touch


"Very Pleased"

“Prompt, friendly and reliable service from start to finish. Very pleased with the finished works.”

– Ben Phillips, Hampstead

"Highly Recommend"

“Jack and his team were fantastic. Highly recommend these guys. From start to finish I was happy with their workmanship and attention to detail. Left my home clean and tidy. Great job.”

– Matt D

"Excellent Advice"

“Jack gave excellent advice, took my calls, or returned my messages promptly. He gave a reasonable quote and answered all my queries. He completed the work quickly, moved furniture as needed, and left the flat in a tidy condition. He was very easy to work with and I would not hesitate to recommend him”

– Tina G

Vertical Damp Proof Course –

This should extend at least 1.3m above the horizontal damp proof course.
Existing plaster will be removed at least 300mm above the last sign of dampness.