Struggling with penetrating damp ruining your walls? Fed up with stains breaking through fresh paint?

Polar Water-Based Dampseal is a premium damp proofing paint designed to block, seal, and prevent penetrating damp from affecting interior walls and ceilings. Rather than masking the issue, it creates a durable moisture barrier that stops damp at its source—leaving you with a smooth, clean finish ready for redecorating.

Low odour and fast drying, it’s ideal for use in occupied homes where quick results matter.

Why Use Water-Based Dampseal?

With powerful sealing properties, Polar Water-Based Dampseal forms an instant moisture barrier that prevents damp from pushing through internal surfaces.

Whether you’re dealing with persistent damp patches in bedrooms, moisture around windows and door frames, or stains on kitchen and bathroom ceilings, this reliable solution tackles the problem quickly and effectively.

Key Features
Blocks Damp Instantly

Specially formulated to block penetrating damp, preventing moisture from resurfacing and damaging interior décor.

Versatile Interior Use

Suitable for plaster, cement, brick, wood, and stone. Ideal for interior walls and ceilings where damp has appeared.

Low Odour & Fast Drying

Water-based formulation makes it easy to apply in occupied spaces. Touch dry in 2–3 hours, with a second coat after 4 hours.

Easy Application

Apply using a brush, roller, or airless spray. Covers up to 11m² per litre, depending on surface porosity.

Smooth Matt Finish

Leaves a clean matt finish that can be left as-is or painted over with emulsion for fast redecoration.

Preparation & Application

Ensure surfaces are clean, dry, and free from grease, dirt, or loose material.
Treat any mould growth with bleach or an anti-mould spray and allow to dry fully before application.

Apply evenly and allow recommended drying times between coats for best results.

Ideal For

Interior walls and ceilings in bathrooms, bedrooms, kitchens, and living rooms

Areas around windows, doors, and frames prone to penetrating damp

Domestic and public buildings

Small repairs or full wall treatments

Order Polar Water-Based Dampseal Today

If you’re looking for a low-odour, fast-drying damp proof paint that seals moisture instantly and allows quick redecoration, Polar Water-Based Dampseal is the perfect solution.

Available in White and Magnolia, in 500ml, 1L, 2.5L, and 5L tins to suit projects of any size.

Need help choosing the right product? Our team is always happy to advise.