A finding of positive for asbestos is a concern. Depending on the situation, it may or may not be a hazard. If renovationg it is best to leave asbestos abatement to the pros as they have the training and credentials to safly remove and dispose of it.
If you suspect asbestos in your property, do not disturb the offending material. Usually if the material isn't disturbed, it's relatively safe. It's when you disturb the material that fibers can be dislodged and become airborne.
Please see the article from the CRD here. Also, look at the photo of proven asbestos containing materials common in older homes.
