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New Zealand Listener, Volume 17, Issue 436, 31 October 1947, Page 11

Why SERVICE is something necessary after treatment SounD-Looking VARNiSHED Skirting If Boracure treatment is any good BOARD Shows no SiGn 0f 'BORER why does borer sometimes re" appear ? Hear is the answer ; Nose BRACR Broadly speaking, 0 XR 86 Boracure treatment usually consists of (a) flood spraying and injecting the entire understructure (which is very vulnerable to attack) and (6) injecting and otherwise SAME BoARD Cut OPEN treating infected parts else- To Show How Bo RE R CAN where However, there B � BUSY UNDERNEATH VARNISHED are obviously hundreds SURFACE FROM EGGS LAID IN CRACKS of Places in 0 house Eggs laid in unprotected which show; no signs crack hatch into grubs of borer and which which burrow in do not receive treat- a/! directions ment (for instance the skirting board shown alongside ) 2 But in some of these sound looking Grubs spreading Places it is Possible co wall timbers for 'borer grubs to be busy beneath the surface Grub has changed to beetle just W ithout there being any below surface and is ready outward signs of their [o gnaw its way out presence. 3 Eventually these borer: grubs change to beetles and emerge from flight holes, this being the first sign of their presence: Because of the extended life cycle of the borer, these flight holes may not appear for some years. IN TImE UnsiGhtly Flight HOLEs MAR PREVIoUSly SoUnD-Looking It is always difficult to treat SuI- SURFACE faces that are varnished, painted, papered or otherwise covered. Apart from ripping out boards and thoroughly spraying the cavities the best way is to pressure inject through flight holes as they appear. That is why Boracure recommend their Insulation Contract which guarantees periodic inspection and treatment for 5 years (or longer if desired). Boracure is the largest, oldest- established borer treating concern in New Zealand: It has its own research laboratory. It has the best treating equip- IBORACURE ment: Its men are thoroughly trained. (Nz)LTD. Insist Op genuine Boracure: 217 Lambton Quay, Wellington: Phone 40-050