Natural attic ventilation systems are needed to dry the attic space and remove heat buildup during the summer. The ice traps water behind it allowing the water to seep back under the shingles and leak through the roof. Attic condensation and ice damming are related. 
				
			
										cleaning sunsetter awnings
											coastal siding and gutters
											cheap thin wood sheets
											ceramic tile wall tile trim edging
											escape room st paul mn
											classic flame 34hf600gra serendipity wall mount electric fireplace
											ceramic waffle maker made in usa
											cleaning mold off house siding