Waterproofing for Condominiums

MALKI CONSTRUCTION DELIVERS ON WORKMANSHIP, EFFICIENCY AND COST.

EEE Waterproofing & NACHI-Informed Inspection Understanding Waterproofing for Condominiums Under SB 326

Waterproofing for condominiums is a critical part of structural repair and compliance under California Senate Bill 326 (SB 326). This is especially true for Exterior Elevated Elements (EEEs), such as balconies, decks, elevated walkways, and stairs. These parts face constant moisture, sunlight, wind-driven rain, and foot traffic. Without well-engineered waterproofing, water can weaken the framing, rust metal connectors, and lead to major structural repairs. At Malki Construction, we deliver waterproofing repair through a step-by-step process of inspection, evaluation, and documented installation. We also follow NACHI waterproofing inspection principles to find hidden moisture early. Our goal is to protect structural strength and long-term property performance.

EEEs are at risk by nature, because they combine structural framing with membranes, traffic coatings, flashing, and railing penetrations. When any layer fails, water starts to get in. Over time, trapped moisture causes wood rot, peeling layers, fungal growth, rusted fasteners, and weak load-bearing connections. In fact, SB 326 inspections often find early membrane wear. If no one fixes it, that wear can turn into major structural repair. For this reason, proactive waterproofing repair is both a legal requirement and a smart way for condo associations to protect their property.

Effective EEE waterproofing takes more than a surface coating. Instead, proper waterproofing starts with a detailed review of:

• Substrate condition
• Drainage slope
• Flashing integration
• Guardrail penetrations
• Prior repair history

At Malki Construction, our repair process starts by deciding whether we can restore the existing assembly or whether it needs a full membrane replacement. After all, surface patches without a structural check often lead to repeat leaks and repair costs.

Common waterproofing failures in condo EEE assemblies include:

• Cracked or delaminated traffic coatings
• Failed flashing transitions
• Improper door threshold integration
• Inadequate drainage slope
• Deteriorated ledger board attachments

When waterproofing wears out, water gets under the membrane and soaks the plywood and framing. This hidden damage can grow for years before anyone sees it. By the time stains, sagging, or soft spots appear, structural repair is often needed.

Our process addresses every layer of the EEE assembly. First, we remove failed coatings. Next, we replace decayed sheathing and repair damaged framing. Only then do we install the new waterproofing system. We also check ledger connections and metal hardware for rust and upgrade them where needed with code-compliant fasteners and connectors.

Guardrail penetrations get special attention. Poorly sealed railing attachments are a leading cause of leaks in elevated assemblies. Therefore, crews must tie every railing connection into the waterproofing system to keep protection continuous.

Accurate diagnosis is essential before any waterproofing repair. For this reason, Malki Construction follows moisture evaluation principles from the International Association of Certified Home Inspectors (NACHI).

As a result, our inspection findings are reliable.

Moisture tools, such as calibrated meters and thermal cameras, help us find hidden water that a surface check may miss. In this way, we can tell cosmetic wear apart from a system-wide waterproofing failure.

Moisture testing matters even more for SB 326, because associations must document what inspectors saw and what crews fixed. NACHI-informed practices make our repair recommendations more credible and easier to defend. So, whenever we recommend waterproofing repair, documented evidence backs it up. That evidence may show membrane failure, a soaked substrate, or structural damage.

Our reports include:

• Photographic documentation
• Condition summaries
• Repair scope descriptions
• Structural observations relevant to SB 326
• Together, these records support board decisions, reserve planning, and future inspections.

A core rule of condo waterproofing is that structural repair comes before the membrane. Otherwise, waterproofing placed over damaged substrates fails early, and decay continues underneath.

For this reason, Malki Construction makes a stable substrate the foundation of every waterproofing job. Structural repair may include:

• Joist replacement
• Rim board rehabilitation
• Blocking reinforcement
• Sheathing replacement
• Hardware upgrades

Next, we check load capacity to confirm that the framing meets safety standards before waterproofing begins.

We also review the slope during this phase. Ponding water breaks down membranes faster and raises the risk of leaks. So, where needed, the repair scope adjusts the slope to drain water away from the building.

Waterproofing systems for condo EEEs must handle movement, sunlight, and foot traffic. Engineered systems usually include:

• Compatible primer systems
• Reinforced base membranes
• Elastomeric traffic-bearing topcoats
• Integrated metal flashing and drip edges

In addition, we reinforce transitions between flat and vertical surfaces to prevent stress cracks. We also detail door thresholds and wall joints, so moisture cannot travel behind the siding or stucco.

During installation, we monitor the weather to support proper curing and bonding. We also check membrane thickness as we go to confirm it meets the maker’s specs.

Together, these documented steps support long-term durability and help the system perform as SB 326 intends.

Preventative waterproofing repair costs far less than emergency structural rehab. When associations fix membrane wear early, they limit the scope of structural repairs and avoid widespread framing replacement. On the other hand, delayed repair often leads to hidden decay, interior leaks, and higher liability for condo associations.

That is why Malki Construction encourages boards to treat waterproofing as a lifecycle investment, not a reactive expense. Regular inspection, moisture testing, and targeted repair extend the life of Exterior Elevated Elements and lower long-term capital costs.

In short, waterproofing for condominiums is not just a coating. It is a coordinated discipline that requires technical skill, knowledge of the law, and careful quality control. By combining honest inspection, structural repair, and engineered waterproofing, Malki Construction delivers solutions that meet SB 326 goals and protect elevated condo structures from early decay. For associations that need reliable waterproofing repair under SB 326, an experienced contractor keeps Exterior Elevated Elements safe, compliant, and sound for years to come.