Hampshire Damp Proofers
Basement Waterproofing in Lymington, Hampshire

Damp proofing in Lymington

Basement Waterproofing in Lymington

Basement waterproofing in Lymington. Below-ground rooms sit against damp soil, so without waterproofing they smell musty and cannot be used for anything that matters.

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A free, no-obligation survey and a written quote.

Free, no-obligation surveys
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Cause treated, not the patch
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Basement Waterproofing

Basement Waterproofing across Lymington

Basement waterproofing in Lymington. Below-ground rooms sit against damp soil, so without waterproofing they smell musty and cannot be used for anything that matters.

We survey the Lymington basement, recommend a tanking system or a cavity drain membrane, and provide you with a written quote for dry, usable space you can store in or convert.

Basement Waterproofing in Lymington
Damp at the base of a below-ground cellar wall

What’s included

What basement waterproofing in Lymington covers

Every quote varies depending on the property and what the job needs, but here is what a typical basement waterproofing job in Lymington covers from start to finish.

  • A survey of the below-ground walls and floor
  • Cementitious tanking or cavity drain membrane
  • Drainage and sump provision where required
  • Preparation of walls ready for finishing
  • Advice on converting the space

How we do it

Basement Waterproofing in Lymington: the process

  1. Step 01

    Survey

    We assess the water pressure, condition and how you want to use the room.

  2. Step 02

    Choose the system

    We recommend tanking slurry or a cavity drain membrane to suit the basement.

  3. Step 03

    Prepare and apply

    Surfaces are prepared and the waterproofing system is installed.

  4. Step 04

    Ready to finish

    The room is left dry and prepared for you to decorate or convert.

Basement waterproofing in Lymington

A basement sits below ground with damp soil pressed against it on every side, so it will take on moisture unless something stops it. Basement waterproofing is that something. Done properly it turns a musty cellar you avoid into dry, usable space.

Why basements get damp

Below ground there is no cavity and no damp proof course doing the work. Water in the surrounding soil presses against the structure, and in wet spells that pressure rises. Older Lymington cellars were built as coal stores rather than habitable rooms, so nothing was ever built in to keep water out.

The symptoms are familiar: a musty smell, tide marks, salting on the brickwork, and anything stored down there going mouldy.

Damp and salting on a below-ground cellar wall in Lymington

Tanking or a cavity drain membrane?

There are two accepted approaches and the right one depends on how much water you are dealing with. Cementitious tanking is a waterproof render applied directly to the walls and floor, holding water back at the structure. It suits basements with modest, steady moisture.

A cavity drain membrane takes the opposite approach: a studded sheet fixed to the walls and floor lets water in behind it, then channels it to a perimeter drain and a sump. It manages water rather than resisting it, which is what you want where the water table is high or the ingress is heavy.

Cavity drain membrane fitted to a basement wall

How basement waterproofing works

We survey first, because the system has to match the water: where moisture is entering, how much of it there is, the condition of the structure and what you want to use the room for.

Then the walls and floor are prepared, taken back to sound masonry where render has failed. The chosen system goes on: tanking render applied in coats, or membrane fixed and sealed with drainage and a sump where one is needed. The space is left ready for you to finish.

Applying a waterproofing system in a Lymington basement

Basement waterproofing cost in Lymington

Cost follows the system and the size of the space. Tanking a small cellar is the cheaper end. A full cavity drain system with drainage, a sump and a pump across a large basement is considerably bigger, and a pump needs occasional maintenance.

We survey the Lymington property and quote in writing before anything starts, setting out which system we recommend, why it suits your basement and exactly what it includes.

Survey and written quote for basement waterproofing in Lymington

Basement waterproofing contractors near you in Lymington

If you have been looking for basement waterproofing near me, it is worth knowing that below-ground work is a specialism rather than general damp proofing. We cover SO41 and the villages around Lymington, including Lower Pennington, Walhampton, Pennington, Everton and Keyhaven.

Choosing basement waterproofing contractors who survey properly matters more here than almost anywhere in damp work, because the wrong system fails quietly and expensively. Book a free survey and we will tell you which one your basement needs.

Hampshire Damp Proofers waterproofing a local basement

Book a free basement waterproofing survey in Lymington

Tell us what you have noticed and we will come out, find the cause and provide you with a written quote with no obligation.

The quote

Basement Waterproofing in Lymington costs

Every property is different, so we quote each Lymington job on its own after a free survey rather than off a description. These are the things that move the figure, and we set it all out in writing before any work starts. The visit is free.

  • The size of the basement or cellar
  • Whether tanking slurry or a membrane system is used
  • Whether drainage and a sump pump are needed
  • The condition of the existing walls and floor

Common questions

Basement Waterproofing in Lymington: your questions

How does basement waterproofing work?

Two systems are used. Cementitious tanking is a waterproof render applied straight to the walls and floor, holding water back at the structure. A cavity drain membrane does the opposite: a studded sheet lets water in behind it, then channels it to a perimeter drain and a sump so the water is managed rather than resisted. Which one your Lymington basement needs depends on how much water is present and how you want to use the room.

How much does basement waterproofing cost in Lymington?

It follows the system and the size of the space. Tanking a small cellar sits at the cheaper end; a full cavity drain system with drainage, a sump and a pump across a large basement is considerably more. We survey the Lymington property free of charge and quote in writing before any work starts.

Will waterproofing stop the musty smell?

Yes, provided damp is what is causing it, and it usually is. A musty cellar smell is moisture held in the structure and the air rather than anything stored down there. Once the walls and floor are waterproofed and the space can ventilate, the smell goes with the damp.

Can any cellar be tanked?

Almost always, but the right system depends on how much water is present and how you want to use the room. The survey tells us which approach will keep it reliably dry.

Can I convert the basement into a room afterwards?

Yes. Tanking is the step that makes a basement conversion possible, because it provides you with a dry, sound surface to build the finished room onto.

Will a tanked basement need a pump?

A cavity drain membrane system usually drains to a sump and pump; a slurry system may not. We explain what your basement needs when we quote.

How long does basement waterproofing take?

It depends on the size of the room and the system used, but most domestic basements are done within a few days to a week. We provide you with a timescale with the quote.

Is the waterproofing guaranteed?

Yes. We stand behind the system we install and explain the guarantee and any maintenance, such as a sump pump service, when we quote.

Get a quote in Lymington

A free, no-obligation survey and a written quote.

Looking for a service other than Basement Waterproofing in Lymington?

We cover the full range of damp and timber work for Lymington homes:

Not in Lymington? Still looking for Basement Waterproofing near you?

We provide basement waterproofing across Hampshire, including:

We also provide basement waterproofing to: Lower Pennington, Walhampton, Pennington, Everton, Keyhaven

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