Can Pressure Washing Damage Shingles or Roofing Materials?

Can Pressure Washing Damage Shingles or Roofing Materials?

pressure washing damages most residential roofing materials. High-pressure water strips protective granules from asphalt shingles, forces water under shingle edges and tile, cracks aging clay and concrete tile, and voids nearly every major shingle manufacturer’s...
How Do I Know Whether My Attic Has Enough Ventilation?

How Do I Know Whether My Attic Has Enough Ventilation?

Your attic likely has enough ventilation if you have at least 1 square foot of net free vent area for every 150 square feet of attic floor space (or 1:300 with a proper vapor barrier), split roughly 50/50 between intake vents at the soffits and exhaust vents near the...