Repair and Alteration of Post-Tension Concrete Structures

Rain Defense is a recognized leader in the repair and alteration of post-tensioned concrete structures. With over 30 years of experience as a post-tension waterproofing contractor, Rain Defense has both the technical proficiency and practical know-how to perform any waterproofing you might need.

Areas Rain Defense can Help with

  • Waterproofing
  • Expansion Joint Replacement
  • Spalling and Crack Repairs
  • Patching and Grouting

Repair and Alteration Example of Expansion Joints

Contact Rain Defense Specialist today at (510) 769-0102 for a free job walk or fill out the contact form below.

24/7 roof leak repair bay area

Leak Repair

Emergency Leak Repair. Our service covers the entire building envelop for all kinds of buildings. Contact us a.s.a.p.

Learn More
roof leaking repair, bay area, roof contractor, fix roof leak, bay area, roof leak repair near me


Design and installation of WestCoat & Gaco Western Coatings for walking decks and parking structures.

Learn More
roof leak repair, roof waterproofing, roof maintenance, bay area


Emulsion, Aluminum, Acrylic, Urethane & Silicone Coatings - DuroLast SinglePly - Certainteed Modified Bitumen Asphalt.

Learn More
Bay area HOA roof maintenance, bay area, commercial roof reconstruction, HOA roof

General Construction

Turnkey rehab of decks, walls, roofing, windows, doors and structural components

Learn More
24/7 roof leak repair, emergency roof leak repair, Roof waterproofing, Roof maintenance, HOA roof maintenance, commercial roof reconstruction, HOA roof, cool roof installation, cool roof contractor, fix roof leak, bay area, roof leak repair near me


Design and performance of maintenance and repairs for Waterproofing / Roofing / Walls.

Learn More

Contact Us Request an Estimate or Schedule an Appointment

Rain Defense works with the following manufacturers: