Airtight Design Advanced Waterproofing

What They Do

Water Damage

• Basement French Drainage System
• Bowing Wall Repair
• Exterior Waterproofing
• Flooding Basements
• Free Consultation
• French Drains
• Residential Waterproofing
• Sump Pump Installation
• Sump Pumps Waterproofing
• Vapor Barrier
• Water Seeping
• Waterproofing Basements
• Waterproofing Drainage System

Before You Call Airtight Design Advanced Waterproofing

1. Do you take moisture readings every day and will you give me the drying log?
2. Are your technicians certified in water damage restoration?

In Pennsylvania ask for the contractor’s state home improvement registration number, and in Philadelphia also ask for the city contractor license. Also ask for proof of insurance and industry certification for the technicians.

They list no storefront. Ask where the business is based and whether the crew is their own.

How Their Reviews Break Down

Counts from public listings as of September 23, 2026. A handful of reviews says less than a few hundred.

Read This While You Wait

• DIY with careWhat to Do in the First 24 Hours After Water DamageAn hour by hour plan for the first day after water damage. Make it safe, stop the source, document, remove water and start drying before mold can start.
• DIY friendlyWasher, Dishwasher, Fridge and Toilet Supply Line LeaksHow washer hoses, dishwasher lines, ice maker tubing and toilet supply lines fail, how to clean up each kind of leak, and how to replace a line yourself.