ROT TREATMENTS WITH BORON BASED LIQUID
Treating Dry Rot with Disodium Octaborate Tetrahydrate (Borax). Treatment
with Boron dissolved in water to kill Dry Rot in brick, stone, mortar,
concrete, plaster and soil. This Dry Rot treatment is odourless and
has no vapour, so is completely safe to apply by brush or low pressure
Rot can spread under, over and through masonry walls and floors, these
can often hide the strands, mycellium skin and fruiting bodies in joints,
cracks and cavities. Treatment of any area or void into which strands,
mycellium or a fruiting body of dry rot is growing must continue at
least 300mm in all directions, to avoid missing any of the tiny micro
strands that precede the main visible parts of the fungal growth.
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IT REALLY DRY ROT - first identify
the rot type in order to decide the extent of the treatment
- fibres like small plant roots, dirty off-white to silver grey in colour.
- Mycelium - dirty off-white skin, can be tinged with yellow, occasionally
found as billowing cushions of off-white growths.
- Fruiting Body - this produces the Spores - rust red in colour, can
spread around onto other surfaces, usually found as a flat body with
red spores in the centre and an off-white rim.
Dry Rot -
large splits, curvature and strands.
on wood - NOT brilliant white.
Sporophore - flat & red rust coloured.
DRY ROT - THEN IT IS ONE OF MANY WET ROTS
- most commonly misidentified features
puteana - the 'cellar fungus' - dark brown to black strands in fern-like
patterns, olive brown fruiting body (rare).
vaillantii - white strands in fern like growths, white fruiting body
- brilliant white, fine strands, fruiting body has no pores, mycelium
has tiny star structures, visible only under magnification.
Wet rot -
brown to black strands of Coniophora.
White strands and Mycellium of Fibroporia
White strands and Mycellium of Fibroporia - both Wet Rots - NOT Dry
DRY ROT - Boron treatment
safest and most pleasant treatment to apply is
Boron Ultra 12,
a water based 'biostat' that has no adverse effect on non-wood boring
insects or mammals (like Bats). This Boron Products is applied as two
or more coats by brush or spray and soaks quickly into the masonry and
any adjacent timber. It is permanent and, unlike its main rivals, it
has no vapour and no smell. It can only affect wood rotting fungi and
wood boring insects, so Bats (a protected species) are not affected
- their main food, the house fly, does not eat wood and so it never
contains any preservative. Heavily infested areas of timber, and damp
patches, should also have an application of
Boron Ultra Gel, to reduce the risks of future
rot and provide extra active ingredient. Permanently or seasonally damp
wood needs injection with Boron
Ultra Paste and the insertion of Boron
Ultra Rods (for example, window frames, garden
posts, door frames).
The so called
're-entry time', set by the HSE for every Pesticide, is only 1 hour,
or until dry, whichever is the longer. Pet birds and fish are not at
risk from Boron-based preservatives when used as specified (minimum
of 1 hour re-entry time, or until dry, whichever is longer) , but do
NOT apply Permethrin based alternatives (found in most DIY stores) if
you keep any pets, particularly fish - Permethrin is lethal to fish
in minute quantities.
PRECAUTIONS TO PREVENT THE SPREAD OF DRY ROT - Dry Rot Paint
below shows untreated panels, on the left and treated panels on the
right. The treated panels (in two columns) have been painted with Dry
Rot Paint and show no signs of growth!
So, you can
further reduce the risk of future Dry Rot attack by using this 'No Go
Zone' special emulsion paint. It can be applied behind skirting boards,
in window frame reveals and in joist sockets. The paint, which has been
tested by BRE (Building Research Establishment - Government backed test
Authority) prevents Dry Rot from passing across treated areas. No other
treatment can currently offer this feature.
If you need
any help with any type of Wood Treatment or identification of wood rotting
fungi Property Repair Systems staff will be pleased to give you completely
free, no obligation advice on 01626 331351.