"I'm really sorry to see this has happened," Mr Shaw said.
The corrugated iron roof had been replaced last year, he added, and, while a fire investigator was not due until yesterday, he had little doubt that the fire was suspicious.
The worst of the damage had been done at the western end, some distance from where the power supply entered the building, and in any event the power had been turned off.
If it was arson it would not be the first time the club had attracted unwelcome attention, he added.
Its other building nearby had been broken into on numerous occasions, the thieves helping themselves to the likes of tea, coffee and extension cords.