Drybase Liquid-Applied DPM

62,49

Drybase Liquid-Applied DPM is a single-pack barrier coating for above ground use. It is supplied ready to use. It is available in black or white with a consistency similar to that of thick emulsion paint.

  • Damp-proof barrier
  • Gas and radon barrier
  • Water-based single pack system
  • Easy to apply
  • Wet to dry colour change (Drybase black)
Drybase Liquid-Applied DPM White & Black - Toner Dampproofing Supplies Ltd
Drybase Liquid-Applied DPM 62,49

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Drybase Liquid-Applied DPM

Drybase Liquid-Applied DPM is a one-pack barrier coating that is completely ready to use. It’s available in black or white, and it has a texture comparable to thick emulsion paint. The liquid damp proofing membrane is applied in two applications.

Drybase Liquid DPM hardens to form a flexible and elastic membrane after it has been applied. Drybase Liquid-Applied DPM is a water-based product that may be applied to wet surfaces using a brush, roller, or spray. In an hour or less, the applied DPM is touch-dry.

Drybase liquid-applied DPM forms a barrier against damp, moisture and ground gases (including radon, carbon dioxide, and methane).

Easy to Apply and Ready to Use

Drybase Liquid-Applied DPM is a pre-prepared solution that does not require additional components or ingredients to be mixed in. Simply apply to any clean and laitance-free surface with a paintbrush or roller.

Quick Drying Two Coat Application

A coat of Drybase Liquid-Applied DPM will generally be touch-dry within one hour after it has been applied. This means multiple coats can be applied in a single day to reach the designated material weight.

Ideal Primer for Tile Adhesive Or Screed

As it dries, Drybase Liquid Applied DPM is tacky when applied. If a screed or tiles are to be installed, a final coat can be used as a primer.

Available in 2 Colours – Black or White

Drybase Liquid-Applied Drybase DPM is available in black or white to suit your preferences.

If ordered in black colour, it is dark blue when first applied but turns black when dry so you can see where it is ready for another coat or has become touch-dry.

Additional information

Weight N/A
Dimensions N/A
Colour: No selection

Black, White

Brand: No selection

Drybase

GTIN: No selection

5060132760642, 5060132761281

Part Number: No selection

DB-LA-DPM-B, DB-LA-DPM-W

Manufacture: No selection

Drybase

Effective Treatment: No selection

Damp Proofing, Rising Damp, Waterproofing

Size(s) & Packaging: No selection

5 litre plastic bucket

Appearance: No selection

Dark blue or white thick liquid

Storage: No selection

Dry conditions at 5 °C to 35 °C.

Shelf Life: No selection

18 months

Recipe Type: No selection

Water-based

Density: No selection

1.0 g/cm3

Coverage: No selection

4.5 m2 per 5 litres (Vapour Barrier), 7 – 9 m2 per 5 litres (General Purpose)

Active Ingredient(s): No selection

Styrene butadiene latex

Water (liquid) Resistance: No selection

20 metre head (positive pressure)

Water Vapour Permeability: No selection

< 4 g/m2/24 hours at 25 °C/75 % RH following BS 3177

Methane Resistance: No selection

10 times more resistant than LDPE

Radon Resistance: No selection

Radon barrier at 2 mm thickness

Tensile Adhesion Strength: No selection

4 N/mm2

Coverage Calculator

Application

Application For Drybase Liquid-Applied DPM

Preparation

Proper preparation of the background substrate is essential to ensure product performance. All contact surfaces must be sound, clean and smooth with a trowelled or brushed finish. Any masonry should be flushpointed and defects in existing surfaces made good. Remove all laitance, dust, dirt, grease, paint, old coatings, loose material or surface water. For new screed and concrete, allow sufficient time for the substrate to cure before applying Drybase Liquid-Applied DPM – at least 28 days.

Priming

Sound Surfaces

For sound surfaces no priming is necessary. To assist the membrane in fully wetting out the substrate the background should be dampened with clean water. There should not be any standing water.

Weak, Friable Surfaces

For surfaces with laitance and loose material there are two options to prime the surface before Drybase Liquid-Applied DPM application:

Option 1 – Remove the weak top surface by scabbling the floor and sweeping/vacuuming up all dust and loose material. Apply 2 coats of Drybase Liquid-Applied DPM.

Option 2 – Remove all dust, previous coatings and loose material by sweeping/vacuuming. For the best adhesion apply a coat of Drybase Bondaid Plus (SBR) to the surface as a primer and wait 20 minutes, or until tacky before applying 2 coats of Drybase Liquid-Applied DPM. Alternatively, if Bondaid Plus is not available then dilute the first coat of Drybase Liquid- Applied DPM with 30% water for use as a primer. Maximum bond can be achieved by vigorously brushing the primer coat into the floor substrate using a stiff bristled broom. Once dry, apply two coats of Drybase Liquid-Applied DPM as normal.

Test Area

Because of the wide variety of possible substrates and site conditions, it is always advisable to check adhesion to the background by testing on a sample area before starting any job. Limitation: Do not directly bond wooden flooring to Drybase Liquid-Applied DPM coated concrete.

Application

Coating and Coverage

The product is applied in two coats by brush, roller or airless spray. Stir well before use. Care should be taken to ensure that the correct dry coat application thickness is achieved and that the drying time is not unacceptably extended. Drying will be delayed by excessively damp, humid or cold conditions which should be avoided.

A minimum dry film thickness of 0.6 mm (1.1 mm wet film) is required to provide a vapour barrier. This should be applied in at least two coats with each at 0.55 litres/m2 in order to comply with CP102:1973 – Code of Practice for the Protection of Buildings against Water from the Ground. Always allow the first coat to become touch dry (typically one hour) before applying a second coat at right angles to the first. The first coat should not be allowed to dry for more than 24 hours before applying the second coat. Care should be taken to ensure Drybase Liquid-Applied DPM is not too thickly applied, as in line with other paint coatings, over-thick application can lead to surface cracking through uneven drying.

If applying a subsequent screed to Drybase Liquid-Applied DPM, the second coat may be used as a primer for the screed, and should be applied while the second coat is still tacky. Alternatively the surface of the last coat of Drybase Liquid-Applied DPM can be blinded with clean sharp sand to provide some mechanical key to the subsequent screed.

Curing

No special curing is required. Do not apply if the background or air temperature is 7 °C or lower. Ensure there is adequate ventilation for drying. Black Drybase Liquid-Applied DPM will go on as dark blue and dry to black once cured. If the colour remains blue then this is an indication that further drying is required.

Limitations

Drybase Liquid-Applied DPM is not intended as a trafficable surface and should not be used where it will be externally exposed to direct sunlight.

Not suitable for use in situations under negative water pressure such as basements and other below ground situations. Here, Drybase Tanking Slurry is recommended.

Datasheet & Downloads

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