Below-Grade Foundation Waterproofing in Pacific Palisades Using BITUTHENE® 4000
Substrate Preparation and BITUTHENE® 4000 Installation
Proper substrate preparation is essential when installing a self-adhered sheet membrane. Our team prepared the concrete foundation walls to provide a clean and suitable surface for the waterproofing system, with particular attention to wall transitions, corners, penetrations, and construction joints. We then installed BITUTHENE® 4000, carefully laying and overlapping the membrane to maintain continuous waterproofing across the below-grade walls. Critical details were sealed and integrated into the membrane system to provide protection against groundwater and hydrostatic pressure before the foundation was ready for drainage board installation and backfilling.
Polyguard Polyflow Drainage Board Installation
Why is a drainage board essential for Pacific Palisades properties?
A drainage board helps manage water against the foundation by providing a drainage path toward the foundation drainage system. It also protects the waterproofing membrane from soil, abrasion, and potential damage during backfilling.
What are the benefits of using BITUTHENE® 4000 for below-grade waterproofing?
BITUTHENE® 4000 is a self-adhered sheet membrane that provides a continuous waterproofing layer over below-grade foundation walls. Properly installed and detailed, the system helps protect the structure from groundwater intrusion and hydrostatic pressure.
What is below-grade waterproofing?
Below-grade waterproofing protects portions of a structure that are constructed below the surrounding ground level. The waterproofing membrane is installed along the exterior foundation walls before they are covered, creating a continuous barrier between the structure and the surrounding soil.
What is a below-grade waterproofing membrane?
A below-grade waterproofing membrane is the primary waterproof barrier applied to foundation walls and other buried structural surfaces. For this Pacific Palisades project, BITUTHENE® 4000, a self-adhered sheet membrane, was installed over the foundation walls to create a continuous waterproofing layer before the drainage board and backfill were installed.
Why is a drainage board important for below-grade foundations in Pacific Palisades ?
A drainage board performs a different function from the waterproofing membrane. It provides a path for water to move toward the foundation drainage system while also protecting the membrane from soil, abrasion, and potential damage during backfilling.
Protecting Your Hillside Property in Pacific Palisades?
Contact Surfacing And Waterproofing to discuss your below-grade waterproofing project, request a detailed proposal, or submit your plans and specifications for review. Call (323) 508-4033 or email [email protected] to get started.