17 guides
Common Roof Problems and What They Mean
Match what you see to a likely cause. Each page explains why it happens and how it is usually fixed.
- Ponding Water on Flat Roofs: Why It Happens and What HelpsWhat counts as ponding, why it harms membranes, and fixes from drain cleaning to tapered insulation.Read guide
- Open Seams on Single-Ply RoofsHow TPO, PVC, and EPDM seams fail, how they are tested, and the right repair for each.Read guide
- Blisters on Flat Roofs: When to Leave Them and When to FixWhat causes blisters in asphalt-based roofs, which ones are risky, and repair methods.Read guide
- Membrane Shrinkage and Bridging at Roof EdgesHow aging membranes shrink, the bridging and tenting it causes, and repair approaches.Read guide
- Failed Flashing: Where Roofs Meet Walls, Chimneys, and CurbsWhy flashing is a top leak source on homes and commercial buildings, and how proper repairs work.Read guide
- HVAC Curb and Rooftop Unit LeaksWhy rooftop units and curbs leak, the role of other trades, and how to reduce repeat leaks.Read guide
- Cracked Pipe Boots: A Small Part, A Common LeakWhy rubber pipe boots crack in Texas sun and how they are replaced.Read guide
- Clogged Roof Drains and ScuppersWhy drain maintenance protects flat roofs, overflow scuppers, and what to check.Read guide
- Parapet Walls and Coping: Leaks From Above the RoofHow water enters through parapet walls and coping caps and how it is repaired.Read guide
- Rust and Backed-Out Fasteners on Metal RoofsHow rust and fastener failure lead to leaks on metal buildings and the repair options.Read guide
- Wind Uplift: How Strong Winds Peel RoofsHow straight-line winds damage shingles and commercial membranes and what to check after a windstorm.Read guide
- Shingle Granule Loss: What It Tells YouWhy granules wash off shingles, what's normal, and when it signals hail damage or end of life.Read guide
- Hail Bruising: Damage You Can Feel More Than SeeHow hail bruises shingles and fractures membranes, and how inspectors confirm it.Read guide
- Wavy Roofs and Heat-Stressed DeckingWhy roofs look wavy, how attic heat and moisture affect decking, and how it's fixed.Read guide
- Wet Roof Insulation Under Commercial MembranesWhy wet insulation loses value, spreads damage, and changes repair versus replacement decisions.Read guide
- Roof Valley Leaks: Where Two Slopes MeetWhy valleys carry heavy water flow, common install mistakes, and how valley leaks are repaired.Read guide
- Tree Limb and Branch Damage to RoofsHow limbs damage roofs, what to do after one falls, and preventive trimming.Read guide