Decay starts at a moisture content above 20%. This moisture enters the construction through structural faults or poor maintenance.

Simply removing and replacing decayed material is not a complete solution, particularly if further deterioration of the structure is to be prevented and maintenance continued.

Once detected, both decay and moisture must be addressed.
Replacing all the woodwork is a high cost option without a guarantee of an aesthetic end-result.
Using the Speedheater System to dry the area and kill the fungal growth combined with repairing the affected area with Woodcap is economical and environmentally viable.