Damp & Moisture Guide

Expert guides on rising damp, mould, salt efflorescence and permanent solutions. Recognise your problem and learn the right solution.

Rising Damp DampStop HydroFix Damp Box Permanent Solution
A Dryvatec expert advising on damp and moisture solutions
Expert ContentFrom real applications
Damaged plaster being broken off at the base of an exterior wall to expose the brickwork
13 October 2026

Damp Entering at the Base of an Exterior Wall: Why Is the Screed Removed?

Water also gets in horizontally beneath the brick: why the damp-proofing plaster goes down to the floor junction.

Damp-proofing plaster on the lower part of a wall, white plaster above
13 October 2026

Why Is Gypsum Plaster Not Taken Down to the Floor? The Skirting-Height Rule

Damp-proofing plaster to the joint, gypsum to skirting height: gypsum can carry moisture up from the screed.

Damp marks and blistering paint on the lower part of a living room wall
12 October 2026

What Is Damp and What Causes It? What to Do If Your Home Is Damp

What is damp and why does it appear at home? Damp in gas-heated homes, damp from walls vs condensation, and what to…

Damp, salt-encrusted and mouldy base of a basement wall
12 October 2026

What Causes Damp Bugs and How Do You Get Rid of Them? The Real Solution Is Cutting Off the Moisture

Why do damp bugs, tiny insects and drain flies appear at home? Silverfish, booklice and other moisture pests; why…

Black mould stains in the corner where the ceiling meets the wall
12 October 2026

A Definitive Solution for a Damp Ceiling: What Causes Mould and Dark Patches on the Ceiling?

The fix for a damp ceiling depends on the source. Why mould grows on ceilings, why corners turn dark, and when…

A steamed-up window pane with water droplets collecting on the inside in winter
12 October 2026

How to Stop Window Condensation: Why Do Windows Steam Up in Winter?

How to stop window condensation: why windows and uPVC frames steam up in winter, and a lasting fix through indoor…

Salt crystals and blistering, flaking paint on a damp wall
12 October 2026

Do Anti-Mould Primers and Anti-Damp Primers Work?

Do anti-mould and anti-damp primers work? What a primer does, when to apply primer to a damp wall, and which primers…

Close-up of injection fluid being applied into a hole drilled at the base of a wall
12 October 2026

Can I Do Damp Injection Myself? Tradesman or Kit?

Can you do damp injection yourself? The tools and steps for DIY, who should call in a tradesman, and a guide to…

Wall cross-section showing damp rising from the ground and a damp treatment system
7 October 2026

Which Damp Remover Actually Works? Sprays, Tablets, Paints and Devices

What do damp-removing sprays, tablets, paints and devices actually do? The right damp treatment for each source, and…

Applying damp-proofing plaster to a damp wall before painting
7 October 2026

How to Paint a Damp Wall: 6 Steps to Stop the Paint Blistering

A damp wall is never painted directly: cut off the source, strip damaged plaster, apply damp-proofing plaster, then…

Stripping damaged plaster from a damp wall before covering it
7 October 2026

Covering a Damp Wall: Plasterboard, Wood Panelling or Wallpaper?

Covering a damp wall with plasterboard, wood panelling, wallpaper or panels hides the damp but does not stop it.…

Window misted up because of high indoor humidity in winter
7 October 2026

What Should Indoor Humidity Be? The Ideal Level in Winter and Its Link to Damp

Indoor humidity should generally be kept at 40-60%; around 40-50% in winter reduces window condensation and mould.…

Measuring moisture in a wall that lets in water from outside
7 October 2026

What to Do About a Wall Letting In Water From Outside: The Right Order, Outside and In

If an exterior wall lets in rain, first find where water enters: cracks, sills, roof, gutters. Repair and waterproof…

Capillary damp-proofing plaster applied to the lower section of a damp wall
7 October 2026

What Is Capillary Plaster and Does It Work? When Is It Enough, and When Not?

Capillary plaster is cement-based damp-proofing plaster that stops water reaching the surface by capillary action.…

Salt crystals and blistering paint on a damp wall
7 October 2026

How to Clean a Damp Wall: A Guide to Stains, Salts, Mould and Drying Out

A damp stain does not wipe away. A step-by-step guide to cleaning mould and salts, stripping damaged plaster, drying…

Rising damp marks at the base of several walls
7 October 2026

Can Damp Spread to Another Wall? Adjoining Walls and Damp Coming from Next Door

If you stop damp in one wall, does it move to another? How to tell damp coming from a neighbour or adjoining…

Damp-proof plaster or paint
15 July 2026

Damp-Proof Plaster or Paint? Which Is the Permanent Solution?

Paint covers the surface, plaster solves the problem at its root. The differences and the right choice.

How to choose the best waterproofing material
15 July 2026

How to Choose the Best Waterproofing Material?

Crystalline, injection, membrane, damp-proofing plaster — which one suits which problem?

Does anti-mould paint work
15 July 2026

Does Anti-Mould Paint Work? A Definitive Solution to Mould on Walls

Mould is a symptom, damp is the cause. The 3 steps of a permanent solution.

How to remove wall damp guide
6 April 2026

Wall Damp Removal Guide: 3 Effective Methods

3 different solutions depending on the source: injection, ventilation, external facade waterproofing.

What is rising damp comprehensive guide
6 April 2026

The 7 Signs of Rising Damp and the Scientific Explanation

Capillary action, symptoms, the DampStop injection solution — a detailed guide.

Step-by-step damp injection application guide
6 April 2026

Damp Injection Application Guide (DIY)

Injection with DampStop D101, the material list and application tips.

What is the Damp Box and how it works
6 April 2026

What Is the Damp Box and How Does It Work? Damp in Foundations and Columns

The Damp Box carries water reaching the foundations and rising in the columns back into the ground. How it works, how it is installed and how it differs from DampStop and HydroFix.

Rising damp solution with damp injection
1 April 2026

The Injection Method: A Permanent Intervention Against Rising Damp

A step-by-step account of the injection application and its results.

Damp solutions for historic buildings
1 April 2026

Damp Problems in Historic Buildings and Modern Solutions

A damp solution without harming the structure: the Damp Box and DampStop.

How to detect damp in buildings
1 April 2026

How Is Damp Detected in Buildings?

A guide to moisture meters, thermal cameras and laboratory tests.

Damp vs mould health risks
1 April 2026

What Is the Difference Between Damp and Mould?

Health risks and solution methods.

How to prevent wall damp
1 April 2026

How to Prevent Wall Damp? 7 Effective Methods

Ventilation, injection, damp-proofing plaster and other prevention methods.

Basement damp and moisture solution
1 April 2026

Basement Damp and Water Ingress

In a basement, water gets in from outside: why injection falls short, and how PU injection and crystalline waterproofing are carried out. Explained with a section drawing.

What is condensation damp
18 March 2026

What Is Condensation Damp?

How it differs from rising damp, window/wall sweating and permanent solution methods.

How to get rid of a damp smell at home
18 March 2026

How to Get Rid of a Damp Smell?

The source of the musty smell, temporary fixes and the damp-proofing that ends the smell permanently.

How to clean and prevent mould on walls
12 March 2026

How to Clean and Prevent Mould on Walls?

Safe cleaning steps, the real cause of mould and permanent prevention methods.

Cost of damp treatment and consumption estimate
20 February 2026

How Much Does Damp Treatment Cost?

The factors affecting the cost of DampStop injection and HydroFix plaster, and the consumption estimate.

How to apply HydroFix damp-proofing plaster
18 February 2026

How to Apply HydroFix Damp-Proofing Plaster?

Step-by-step application of HydroFix damp-proofing plaster: the mix, the number of coats and tips.

Capillary action wall cross-section
15 February 2026

What Is Capillary Action?

The physics behind rising damp: how does capillary action work and how is it stopped?

Mould and health risk in damp environments
12 February 2026

Is Living in a Damp Environment Harmful to Health?

The effects of damp and mould on respiratory health and permanent solutions that cut off the moisture source.

Before and after customer results of damp treatment
10 February 2026

Before & After: Customer Results

Solving the damp problem with DampStop + HydroFix in real applications.