Microblower for Woodworm and Dry Rot Treatment

For blowing pesticides without misting, fogging or atomizing

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The SprayFast Microblower is ideal for dry rot and woodworm treatment using water based products, such as our Boron Boracol . It saves over 50% in spraying labour time and allows access to hidden voids.

Microsprayers can be hired for spraying woodworm and dry rot, under floors, in roofs, through air bricks and behind panels.

Click here to buy or hire a Microsprayer

Data Sheet - front, Data Sheet - back

Click to see the Hand Operated pump products, prices and to Order in our Equipment Shop

To see Electrical Pumps and Equipment click here

What is a SprayFast Microblower

The PRS Sprayfast Microblower is a machine for applying water based fungicidal and insecticidal treatments to under floor spaces and behind panel areas, as well as within roof voids. It allows spray treatment to all kinds of masonry and timber, even where direct access is not available. It can treat floors via air brick holes and spray up to 10 metres.

SprayFast Microblower spray handle showing control knobSprayFast Microblower for spraying pesticides under floors and in roofs

Main benefits of a SprayFast Blower

1. Reaches hidden voids - air plume swirls and distributes spray on all surfaces

2. Fewer or no floorboards to lift - reaches much further than a spray lance

3. Keeps the Technician further from the spray, less exposure

4. Sprays coarse droplets, so it is not an 'atomizer', does not produce a 'fog' or 'mist'

4. Low pressure - only needs 5psi, rather than 40psi for effective spraying, thus giving much better control over fluid consumption

5. Not a 'fogger' - delivers a full treatment loading for proper treatment effectiveness

6. Sprays any water based fungicide/insecticide

7. Less fluid wastage than a conventional spray nozzle - the fluid droplets are carried in a turbulent column of air for uniform distribution and even surface coating

Adjysting the fluid control on a Sprayfast NMicroBlower

Adjusting the fluid control on the Sprayfast Microblower handle

Why not Atomize, Fog or Mist?

Breaking pesticides down into very fine mists or fogs is not a good idea because;

1. The pesticides are not designed to be used in this way, so the resulting concentration of active ingredient in the resulting fog is too low to be effective and will not meet the Manufacturer's specification.

2. Fogs and mists are prone to drift around on the slightest breeze, entering other rooms, escaping into the open air and affecting non protected people and animals.

3. Atomized treatments cannot be guaranteed because the surface loadings of active ingredient fall below the recommended levels.

Spraying using a Spratfast Microblower

SprayFast Microblower Specification

The Blower and all its pipework, hose and cable fit inside a standard tough plastic box for easy transport. The machine is operated from the box with the lids closed to keep the pump clean.

1. Blower Motor - 110 volt, 1000 watts

2. Spraying Hose - wire reinforced 32mm diameter outer air hose 7.5 metres long

3. Fluid input hose - 1/4 inch I.D. heavy duty flexible hose, 5 metres long, fitted with a snap-on tail which plugs into standard Eclipse, Sovereign and Birchwood pumps and can be extended further using standard fittings.

4. Minimum pressure required - 5 psi

5. Electrical cable - 5 metres, 110 volt plug

6. Maximum fluid output - water based fluids, 40 litres per hour

7. Weight, gross for shipping - 17kgs

SpayFast Microblower in side its tough plastic crate

SprayFast Microblower inside its tough plastic crate.

SprayFast Microblower Uses

The Sprayfast Microblower replaces the atomizing, fogging and micro spraying machines widely used in the Remedial and Pest Control industries. (These are not suitable for Pesticide application in Remedial Treatments because they were designed for very small localised ULV (Ultra Low Volume) treatment.

The Sprayfast Microsprayer can blow a moving turbulent cloud of air carrying COARSE droplets of treatment fluid up to 10 metres in still air and is therefore ideal for sub floor voids, roof spaces, behind paneling and for general purpose spraying.

Click to see the Hand Operated pump products, prices and to Order in our Equipment Shop

Other Electrical Spray Pumps - for insecticide and fungicide spraying

Damp proofing and timber preservation specialists generally use a high pressure electrical pump to spray timbers with timber preservatives and to inject damp proof courses . These twin piston, self priming pumps are used with a range of accessories, including injection rods (DPC Injection, 10mm diameter holes) and spray lances (Timber Preservation and Dry Rot masonry treatment).

Typical Spraying and Injection Pump for high and low pressure injection of damp proof courses.

(Note - not required for cream DPC Injection - a small hand pump is normally used - we also sell these in our Damp Shop)


DPC and Woodworm Electrical Pump. For both spraying and injecting.Spare parts service for electrical spraing and injection pumps.

The spare parts for maintenance and repair of DPC and Spraying pumps are available ex stock for pumps up to 25 years old - these pumps last a long time with the right care.

To see Electrical Pumps and Equipment click here

Spray Lances and accessories in Brass

High quality brass spray lances and extension tubes, adjustable spray nozzles and backspray nozzles are required for treating woodworm and dry rot. The 'backspray' allows injection of spray into hidden spaces behind panels (like staircases) and the flight hole nozzle can be used to inject individual holes.

Spray lances and their accessories - angle bends, flight hole nozzles and backspray nozzles.

Spray lances and extensions are needed for spraying timber and treating dry rot

To view prices or buy click here - Equipment Page

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Site written by: David Moore

David Moore, B.A. (Hons.), C.T.I.S., C.R.D.S. Technical Author