Used to discourage pigeons, starlings, and other nuisance birds from nesting or perching on ledges, sills, roofs, peaks, cornices, bridges, and overpasses. Eaton’s 4 the Birds Repellent Gel can be safely used on house roofs where water is drawn for human consumption. All surfaces should be cleared of dust, dirt, droppings, and loose debris before treatment application. Do not apply on locations where desirable species of birds might become entangled in the repellent. Available in a 300g pack.