Biocheck Allweather Masonry Paint

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Biocheck Allweather Masonry Paint
Biocheck Allweather is a Pliolite® resin-based masonry paint developed to give long term protection to masonry surfaces undergoing redecoration. read more
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50 years experience

For trade enquiries, please call us on 01372 743 334

We’re open 9:00am - 5:00pm Mon-Fri

Biocheck Allweather is a Pliolite® resin-based masonry paint developed to give long term protection to masonry surfaces undergoing redecoration.

External decoration is time consuming and costly. It is not uncommon for redecorated properties – to the total dismay of the homeowner or specification – to show signs of ageing and weathering long before completing their anticipated life span.

There are many factors that contribute to the early breakdown of coatings, two of the most common are that the substrate was not correctly prepared prior to redecoration and inappropriate materials were used to treat external growths of moss, lichen and algae.

Over the past 20 years the problems of external growths have increased dramatically. As a result of the reduction in air pollution and carbon emissions there have been a huge increase in airborne spores of mosses, lichens and algae and unless treated correctly will subsequently reduce the life expectancy of masonry paints. There are 100s of varieties of algae and external growths which attack masonry surfaces, predominantly green or black, however in certain areas of the UK there is a red algae called Trentepohlia Aurea which is particularly virulent.

Biocheck Allweather Pliolite® resin-based masonry paint has been specifically formulated incorporating active biocides to provide long term protection against these damaging and disfiguring growths. It is a superior masonry coating which provides protection against wind-driven rain, sun, temperature extremes and atmospheric pollution whilst at the same time retaining its decorative appearance.

The paint provides excellent adhesion to the building substrate and will penetrate and adhere to even the most difficult masonry surface without the need for a separate primer. The coating acts as a total barrier to rain, however, is micro porous and will allow moisture in the wall to pass through the paint film without blistering.

It's formulated in such a way that it is “self-cleaning”. A few microns of the surface are regularly removed by rain which removes any retained dirt but without affecting the life expectancy of the coating.

The all weather coating allows application to continue in condition and at the time of year which it would not be possible to proceed with traditional water based masonry paints.


• 15 years life expectancy
• Resistant to algae growth
• Breathable coating
• Self-cleaning
• Excellent adhesion
• Alkali resistant
• Application at low temperatures
• Resistant to rain after 20 minutes

Colours: White, Magnolia, Cream, Parchment, Maltese Stone, Dewdrop, Peanut Butter, Summer Blue, Ivory, Terracotta and Seagull. Full pastel BS Range available to order.

Biocheck Allweather is approved by the Health and Safety Executive under the Control of Pesticides Regulations (C.O.P.R.) 1986 (as amended) for both amateur and professional use.



Surface preparation

1. Ensure all surfaces are sound, dry, clean and free from dirt, oil, grease or other contaminates. Treat moss, lichen and algae growth with LICHENITE in accordance with instructions. For heavy contaminations use high pressure water jetting to remove growths. Leave 24 hours before proceeding.

2. Cracked and damaged surfaces to be repaired with suitable exterior grade proprietary filler.

3. Stir BIOCHECK ALLWEATHER Pliolite® resin-based masonry paint thoroughly before use. Apply liberally by brush, roller, conventional or airless spray.

4. Porous and Powdery Surfaces – Brush apply first coat thinned with up to 15% or which spirit per 5 litres by volume. Follow with one or two full coats of BIOCHECK ALLWEATHER Pliolite® resin-based masonry paint as required to obtain full obliteration.

5. Non porous, sound surfaces – Brush, roller, convention or airless spray apply two coats of BIOCHECK ALLWEATHER Pliolite® resin-based masonry paint undiluted.

Spray: Can be thinned with up to 5% of which spirit by volume per 5 litres of paint.

Covering capacity

Dependent upon substrate profile and suction, typically:

Porous/textured surfaces: 3-42m per litre
Non-porous surfaces: 6-82m per litre

Drying time: touch dry in 1 hour, recoat 16 hours.

Colours: White, Magnolia, Cream, Parchment, Maltese Stone, Dewdrop,
Peanut Butter, Summer Blue, Ivory, Terracotta and Seagull.
Full BS Range available on batch size order.

Cleaning: Clean brushes, rollers and spray equipment immediately after use with white spirit.

Availability: Supplied in 5 litre containers.

Storage: Ensure the container is stored upright and secure at all times.
Protect from frost and extremes of temperature.
Keep out of direct sunlight.

Health and Safety

All MGC Mould Treatments, Fungicidal Paint/Paste Additives and Fungicidal Paints and Coatings are Approved Under C.O.P.R. 1986 (As Amended).


If you require help or assistance with your order including for special colours in Biocheck Matt or Silk Emulsions and Biocheck Allweather please contact our sales office which is open Monday to Friday 9.00 am – 5.00 pm

Telephone: 01372 743334


Fax: 01372 720856


Mould Growth Consultants Limited

Unit A3

Longmead Business Centre

Blenheim Road



KT19 9QQ


We will aim to process your order for despatch to you between 1-5 working days of confirming acceptance of your order. Consequently, even if you cancel your order shortly after placing it, it is possible that we may be unable to prevent goods you have ordered being despatched to you and you may then need to return them to us at your cost.

When you order your Goods, we will wherever possible, give you an indication of the day of delivery, normally 2-5 working days after confirming acceptance of your order.

Deliveries will be made by post/a carrier instructed by us to the address stipulated in your order. You must ensure that someone is present to accept delivery.

While a delivery date will be prearranged with you, please remember that it is generally not possible to contact the delivery driver once he has left the depot. As a signature is required on delivery, if you will not be at home to take the delivery, a signed note instructing the driver where to leave the goods is acceptable. Otherwise a re-delivery charge will be incurred.


Cancellation of Order

If you bought the Goods as a Consumer, you may cancel your order at any time before we despatch your order or before the expiry of 7 working days from the date you receive your order, not including the day you received it.

As required by the Distance Selling Regulations, details of our after-sales service and guarantees, if any, are given on our website.

If you cancel before we have sent the Goods, we will refund to you the price of the Goods and the cost of delivery, if any.


Goods returned

Our most important task is to ensure your absolute satisfaction. We will always strive to reach that target. However, we acknowledge that mistakes are made occasionally. This paragraph covers that possibility. If you are not wholly satisfied with the product, please tell us at the earliest opportunity:

  • Exactly what the fault is
  • The date, if relevant, when the fault became apparent
  • When and how you discovered the fault
  • How the fault affected your use of the Goods

To do this, it is essential that you follow the instructions below. These provisions apply in the event that you return Goods to us because you say they are faulty:

You must tell us by email message to ( or by letter to our land address at the top of this page you that you would like to return Goods, specifying exactly what Goods and when purchased, giving full details of the defect or other reason for return. We will then issue a returns note. If you send Goods to us without a returns note, we may not be able to identify sufficient details to enable us to attend to your complaint.

The Goods must be returned to us as soon as any defect is discovered.

So far as possible, Goods should be returned:

  • With both Goods and all packaging, as far as possible, in their original condition
  • Securely wrapped
  • Including our delivery slip
  • At your risk and cost.

Please see our full terms and conditions on the website