Biocheck Matt Emulsion

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Biocheck Matt Emulsion
BIOCHECK FUNGICIDAL MATT EMULSION was developed over 40 years ago to eradicate black mould problems in severe condensation situations and prevent their return. read more
Fast delivery available
Tested & verified products
50 years experience

For trade enquiries, please call us on 01372 743 334

We’re open 9:00am - 5:00pm Mon-Fri


BIOCHECK FUNGICIDAL MATT EMULSION was developed over 40 years ago to eradicate black mould problems in severe condensation situations and prevent their return. Since then Biocheck is now specified and successfully used by Local Authorities, Housing Associations, private landlords, universities, MOD and private householders throughout the country.

BIOCHECK FUNGICIDAL MATT EMULSION has been tested by the Building Research Advisory Service and shown to be completely resistant to colonization and growth of mould and can be expected to perform well on surfaces prone to condensation.

BIOCHECK FUNGICIDAL MATT EMULSION is available in 2.5 litre and 5 litre tins and in the following colours: - White, Magnolia, Rose White, Apple White, Pale Green, Autumn White, Pale Blue, Buttermilk, China Blue and Sugared Almond. The mould resistant paint is available in both Matt and Silk finish, it is recommended to use in kitchens and bathrooms.

All surfaces infected with mould growth MUST first be treated in accordance with MGC’s Specification for the Eradication of Mould prior to the application of Biocheck with RLT BACTDET 05 and RLT HALOPHEN. BIOCHECK MATT EMULSION PAINT 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.

For instructions on how to apply, see our videos here.



This is a 3-stage treatment. All stages must be strictly adhered to.

Stage 1: RLT BACTDET 05 - cleans the surface and kills all visible signs of mould.

Stage 2: RLT HALOPHEN - forms a barrier to prevent mould infection in the fabric re-infecting the surface.

Stage 3: BIOCHECK PAINTS - fungicidal decorative finish and MGC FUNGICIDAL ADDITIVES for incorporation into wallpaper paste.


1. Wash down mould infected surfaces with RLT BACTDET 05 diluted with 4 parts of warm water using a brush, sponge or cloth. Extend treatment one metre in all directions beyond all visible signs of infection. When the solution becomes dirty make up a fresh one. Coverage must not exceed 10 square metres per diluted litre.

To affected carpets, roll back carpet and wash down floor surface with RLT BACTDET 05 solution. Spray the underside of carpets with RLT CLEARMOULD SPRAY and allow to fully dry before re-laying.

WALLPAPERED SURFACES - wash down with RLT BACTDET 05 solution prior to stripping. Bag up wallpaper, seal and remove from the premises immediately. Wash infected area again with a clean solution of RLT BACTDET 05.

This stage is essential as RLT BACTDET 05 will kill all mould spores and prevent them spreading to other areas.


Prepare surfaces in accordance with good trade practice. Scrape off all loose or flaking paint and rub down to a sound surface.

Etch previously gloss painted surfaces with glasspaper to form a key.

All preparation work must be done before the barrier, RLT HALOPHEN, has been applied.


3. Apply by brush 1 coat of RLT HALOPHEN diluted with 4 parts of clean water. Extend the treatment at least one metre beyond the areas of infection in all directions and allow to dry. Coverage must not exceed 10 square metres per diluted litre.

Brush RLT HALOPHEN well in for maximum penetration. Pay special attention to corners and junctions.

In areas of heavy infection apply a second coat and allow to dry before proceeding to Stage 3.

3a. STAINING AND/OR EFFLORESCENCE - Apply by brush one liberal coat of MGC Stain Block to seal the surface and prevent any bleeding through prior to decoration.


4. EMULSION - Apply 2 coats of BIOCHECK Matt or Silk Emulsion by brush or roller at a coverage of approximately 12 square metres per litre per coat. The first coat may be diluted with 10% clean water. It is recommended that Silk is used in kitchens and bathrooms.

WALLPAPER FINISH - add 2 MGC FUNGICIDAL ADDITIVES per 5 litres of paste or size and mix well in. For embossed and lining papers incorporate MGC FUNGICIDAL ADDITIVES into paste, then apply 2 coats of BIOCHECK Matt or Silk Emulsion as above.

GLOSS FINISH - for woodwork, metal windows, etc.

Clean down, as described in Stage (1), to remove any mould contamination. Rub down previously painted surfaces with glasspaper to form a good key.

Apply 2 finishing coats of BIOCHECK WATER BASED GLOSS to all general surfaces. Bare surfaces should be primed with one coat of BIOCHECK WATER BASED GLOSS.


1. It is recommended that when treating external walls, the entire wall(s) is treated, extending back into the room a minimum of one metre on the ceiling and adjacent walls/partitions. This will eliminate the possibility of other isolated areas of the same wall(s) being infected at a later date.

2. The use of woodchip paper is not recommended.


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