jks in Waterloo 3 reviews Waterloo, ON Joined 2018/10/23 10/10 Attic Insulation Insulation review in Waterloo About 1 month ago Excellent, prompt and highly professional service from the administration to the insulation itself. Bonnie is so efficient, competent, patient and friendly - a delight. Workers came in and did the job cleanly and carefully and very well. Job Price Was this review helpful? Yes No