Flashing Requirements

We had an enquiry the other day asking do you need the lead flashing if you use a critter quitter. Yes, you need either lead or rubber flashing to seal the vent to the roof. The critter quitter simply protects this flashing from damage from squirrels and keeps other...

Determining Vent Size

This has been a reoccuring question, and one that will be addressed on our website. Vents come basically in 1 1/2 inch, 2 inch, 3 inch, and a rare 4 inch. However, the flashing is about an inch wider than the diamter of the actual vent. So a 1 1/2 inch vent will have...

Loyola Article Link

Here is the link to the article. Its in an excellent publication concerning nature and the environment. http://loyno.edu/lucec/natural-history-writings/why-are-gray-squirrels-eating-me-out-house-lead

Good success with Critter Quitters

We have had some good inquiries recently. One concerned the amount of air being displaced. Remember, plumbing vents are there primarily to allow air to displace water as it flushed down the drain. If one does an inspection of a 2 inch vent on a roof, you will find...