We have not used this product but are familiar with it. It is NOT a screen type. It's actually similar to Leaf Relief, which is a good product. A number of roofing contractors in our area (MD) use it ... read more
In most cases we can do it. It runs about $250.00 in material and about $1000.00 in labor
But this is sight un seen
It can be vented through the floor joist system and out the house
It can be vente ... read more