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Repair, leaks & storm damage

2 tools · 8 guides · 1 comparisons

Find the failure, price the fix, and know where the line between repair and replacement sits.

Repair, leaks & storm damage
Two-colour print of a storm-damaged roof under a tarp
Courses torn open across the field, the covered section edged in chalk red.

Calculators

Roof inspection checklist

A printable walk of the roof by zone: ridge, field, valleys, flashing, gutters, penetrations.

6 zones · printable

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Attic ventilation calculator

Net free area at 1:150 and 1:300, split intake and exhaust, and the vent count it takes.

sq ft → NFA in² · vent count

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Guides

Repair, leaks & storm damage

Roof repair cost by defect

What each common repair costs, and where repair stops paying and replacement starts.

9 min

Repair, leaks & storm damage

Roof leak repair cost

Leak source to price: boots, flashing, valleys, nail pops and deck rot.

8 min

Repair, leaks & storm damage

Chimney flashing repair cost

Reflash against patch, the reglet cut, the cricket, and what masonry work adds.

7 min

Repair, leaks & storm damage

Roof decking replacement cost

Sheathing per sheet, tear-off, and the signs a deck has to come off with the shingles.

7 min

Repair, leaks & storm damage

Ice dam prevention

Why dams form, and the ventilation, insulation and membrane fixes that stop them.

8 min

Repair, leaks & storm damage

Asphalt shingle roof repair

Replace one damaged shingle, re-seal a lifted tab, nail to the manufacturer's zone, and know when repair stops paying.

9 min

Comparisons

Attic exhaust vent

Ridge vent vs box vent

Ridge, box and turbine exhaust vents compared on published net free area, vent counts, short hip ridges and the no-mixing rule.