Underlayment is lightweight
Tarco has added SS400 Ice and Water Armor to its LeakBarrier® line of underlayments.
SS400 Ice and Water Armor is a self-adhering, polymer-modified bitumen roof underlayment reinforced with a fiberglass mat. The underlayment is for use under asphalt shingles and reportedly adheres to concrete, plywood, wood composition board and gypsum sheathing decks. SS400 Ice and Water Armor is said to self-seal around nails and be effective in valleys, ridges, coping joints, skylights, chimneys, vent stacks, dormers, low-slope sections and roof-to-wall intersections.
A 2-square roll of SS400 Ice and Water Armor weighs 48 pounds.
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