Category: Moisture

Energy Efficiency Adds Value to Your Property

  Insulation Requires a High Performance Air and Moisture Barrier to be Effective In the past, buildings had drafts, allowing air and moisture vapor to flow relatively freely through the exterior walls, keeping the wall cavity moisture-free. Increasing levels of insulation kept buildings more comfortable, but insulation can create a dew point inside the wall […]

DELTA®-MS Receives Declare Red List Free Status

  Finally, a below-grade dimpled membrane that contributes to high-performance building compliance.   Demonstrating market leadership in the growing movement towards product transparency and health in the built environment, DELTA®-MS is the first, and only, below-grade dimpled membrane to obtain a Red List Free Declare label with the Living Building Challenge (LBC) International Living Future […]

Foundation Protection Solutions. Step 1: Ditch the Sprays

When it comes to foundation protection and wall waterproofing, some builders only factor in code compliance. They simply spray a tar/asphalt coating on the concrete foundation and proceed with backfilling. Problem is, this approach is short-sighted, leading to spray-on foundation protection issues. Easily damaged spray-on coatings may create vulnerabilities on numerous levels, including moisture leading to mold […]

Construction Defects Laws

Construction quality is a hot issue, gaining national attention due to enormous class-action lawsuits brought against architects and contractors in states all across the U.S. The size and number of these lawsuits with their large payouts is crippling to the commercial construction industry in their states. Construction Defects Laws enacted in the 1990’s and 2000’s […]

Choosing Appropriate Materials for Net Zero Buildings

When prominent people in building design and innovation showcase the energy savings of their Net Zero buildings, they raise public awareness and enthusiasm.  For many, Net Zero in a functioning building looks easy; however, the task of incorporating all the design and physical elements is a complex undertaking.  Homebuilders who want to participate in the growing […]

Nail Sealability ASTM D1970

How well are your membranes sealing around your nails? A test called ASTM D1970, Section 8.9, is conducted by manufacturers to confirm that their membranes meet a waterproofing standard. The test is administered by covering a piece of plywood with membrane, driving two nails into it, and backing them up a quarter of an inch. […]

Why You Should Use Air and Moisture Barrier with Foam Sheathing

There are a number of reasons why you need an air and moisture barrier over foam sheathing. Airtight exterior wall systems are critical to maximizing energy efficiency and gaining LEED points. However, certain characteristics of foam sheathing conspire to compromise airtight construction. The solution? Use foam sheathing together with a high-performing, moisture-resistive air barrier. As building codes […]

Water-Resistive Barriers: When and Why Does Vapor Permeance Matter?

Dr. John Straube is a highly regarded building science expert, well known for his research, his consulting work, and his leadership as an educator. He is a Principal at RDH Building Science and a faculty member at the University of Waterloo. This past year, Dr. Straube discussed key building enclosure concepts (including moisture control, airtightness, […]

New DELTA®-PROTEC Subfloor System Introduced at Surfaces Show

Dörken introduced their new DELTA®-PROTEC Subfloor System for Concrete Floors at The International Surface Event in Las Vegas. The show features the most extensive display of floor covering, natural & engineered stone, tile products and educational offerings in the world. Flooring Dealers Were Impressed Flooring dealers frequently have customers who install laminate flooring over concrete only […]

The Pros Know: Dr. Straube chooses an airtight, vapor permeable barrier for his coach house

If there’s anything that will convince people of a building product’s worthiness, it’s when the pros use it in their own homes – where they’re free to make unilateral decisions, based on their own expertise and preferences. So you can imagine our excitement when Dr. John Straube chose our air- and water-resistive barrier for his new […]

Energy Efficiency Starts with Airtightness

Building for sustainability, safety, and comfort requires the combined effort of engineers, architects, sub-contractors, and builders who understand how to design and specify an energy-efficient building envelope. This begins with the design concept and carries through to pricing, design review, construction, and building envelope commissioning. The preferred method for significant reduction in energy use and […]

More than meets the eye: what’s happening behind your stucco and manufactured stone

Stucco and manufactured stone have been used in the building industry for ages. These claddings are well known, and well used for their leading properties in fire resistance, durability, and aesthetics. In fact, according to the Census Bureau’s recent Survey of Construction, 25% of homes built in the US in 2017 used stucco cladding; second […]

5 Reasons Why Basements Can Be Uncomfortable

Basements are known to have particular problems: they are often found to be damp, humid, and even occasionally flooded. Once moisture has intruded, it can be difficult to treat the problem. Moreover, these conditions make basements vulnerable to mold. Even common solutions, such as using a dehumidifier, can increase foundation issues and prolong the problem […]

Continuous Insulation Addresses Problem of Thermal Bridging

Inevitably, thermal bridging is an adversary in the quest for energy-efficient buildings. Continuous insulation bolstered by a moisture barrier is a powerful weapon in the battle. Rising energy costs and a definite move toward green building accentuate the need to corral the problem of thermal bridging. Thermal bridging typically occurs in 3 ways One material […]

A stunningly comfortable first impression

Clark University, located in Worcester, MA, is a widely respected research institution, particularly for its excellent science program. To reflect the cutting-edge research that is happening inside its buildings every day, the university is committed to investing in its campus exteriors, in hopes of attracting top students and faculty. That’s why, after three decades, it […]

Keeping Basements Dry: Why spray-on applications aren’t up for the job

Wet basements aren’t only bad for homeowners, they’re bad for business. From occupant discomfort and health risks due to mould and mildew to expensive material damage, foundation moisture has become one of the biggest headaches in homebuilding. When moisture makes an unwanted appearance in a foundation, people automatically look to their contractors to correct it […]

The Art of Proper Moisture Protection

The multi-award-winning Audain Art Museum is quintessentially Canadian – from the eclectic art housed inside to the unassuming yet masterfully planned and executed hockey-stick-shaped building itself. Yet, despite all the beauty on display for visitors, it’s the unseen elements that make this building truly amazing. The 56,000 sq. ft. private museum sits nestled amidst the […]

Comparing the Three Systems for Rain Penetration Control: Storage, Drained Rainscreen, and Perfect Barrier

Rain control is the most important function of an enclosure, since it directly correlates to a building’s longevity. The number one factor for effective rain penetration control is good building design. Most rainwater can be deflected off of a building through use of architectural features or landscaping. However, rainwater management features are still vital in […]

Avoiding Moisture Barrier Problems

With all of the different risks and dangers that come with building commercial structures, moisture problems often get overlooked until it’s too late. While it’s possible to fix problems with the moisture barrier once construction is completed, it’s always better to prevent these problems from happening in the first place. Moisture Barrier Problems in Commercial […]

Energy Efficient Design and Construction Continues to Grow

The buzz about going green is a trend that requires attention. Embracing the changes in commercial and industrial buildings that are being demanded  for energy efficient design and construction is key to making building owners and tenants satisfied. Since commercial buildings consume seventeen percent of the nation’s energy, valued at more than $100 billion according to EnergyStar.gov, business and industry […]

5 Things to Consider with Air & Moisture Barriers

As many people are aware, energy-saving designs in construction have been made increasingly mandatory. With these changes in mind, the use of air barriers, vapor barriers, water-resistive barriers, (fluid applied and sheet/membrane) can aid in the proper performance of buildings and help to reduce maintenance efforts later down the line. Air Moisture Barrier Considerations 1.    Such design […]

Modern Building Techniques

Ever wondered how ancient structures such as the pyramids, the Roman Coliseum, Stonehenge, and more stood the test of time, while many of our modern structures fail due to rot? Simple. Ancient builders used plain stone for their structures. Who cared if the stones got wet, or battered with wind or hail? Today, our structures […]

Reducing Lawsuits for Mold Damage in Buildings

There are countless stories about lawsuits for mold and moisture damage in buildings, none of which are insignificant. Mold and moisture damage in buildings is a serious topic that has garnered millions of dollars of litigation for companies and individuals. Buildings that do not properly mitigate moisture and water leakage can present toxic and mold-infested environments […]

The Damaging Effects of UV on Air and Moisture Membranes Left Exposed During Construction

Air and moisture membranes are as much a part of modern building construction as doors and windows. These membranes are wrapped around the building within the wall structure, and they’re meant to help prevent mold, mildew, and other unwanted conditions that can damage the structure and lead to health problems for those who use it. […]

Builders Beware: High-Payout Lawsuits Over Mold and Moisture Damage

Though it seems like homebuyers might sue over even the smallest detail, lawsuits brought against architects, builders and contractors that cite faulty moisture control are definitely justified. Exposure to mold and mildew can have detrimental effects on the health of the occupants, as well as causing large amounts of structural damage to the building. Common […]

DELTA®-TRELA Provides Moisture Control For Gehry Design

DELTA®-TRELA Roof Underlayment Lou Ruvo Brain Institute – Las Vegas, NV The Cleveland Clinic Lou Ruvo Center for Brain Health was designed by world-renowned architect Frank Gehry. Gehry’s portfolio includes such projects as the Walt Disney Concert Hall in Los Angeles, and the Guggenheim Museum in Bilbao, Spain. Gehry’s design of the Cleveland Clinic Lou […]

Building Design Shouldn’t Trump Moisture Issues

Even the most prestigious architects can get it wrong. In 2007, Massachusetts Institute of Technology (MIT) sued renowned architect, Frank Gehry, for design and construction defects in the $300 million dollar Stata Center on the MIT campus. Three years later, the lawsuit was resolved amicably, but the revelations regarding the failures are still instructive for […]

Construction Defect Laws and Housewrap

Complaints of poor or defective construction are largely subject to a back and forth of civil actions that result in expensive suits and countersuits. The suits are usually over enforcement of builder’s warranties which may cover defects poorly. While these suits can cover a wide range of defects, moisture damage is a frequent and expensive […]

Creative Building Design Requires High Performance Water-Resistive Barrier Solutions

The Science Pyramid at Denver Botanic Gardens invites visitors to explore the relationship between people and plants, and to examine the role of biomimicry in our lives – the way the features of nature inspire ideas and actions in people. It’s not surprising then that the building has a great relationship with its surroundings. Rising to a comfortable height among the […]

Mold Lawsuits Against Landlords

There are so many stories about lawsuits for mold and moisture damage in buildings that a special blog called MoldBlogger: Fight Mold and Win has now surfaced online. This blog is evidence of the seriousness of the issue. Many of the cases described originate during construction when important steps to prevent leakage and moisture seepage were skipped, resulting in […]

Architect and Contractor Sued for Moldy Stadium

BBB Stadium Inc. is claiming that the Winnipeg IGA Stadium is leaky, moldy, and not properly suited for year-round use. The stadium, located in Winnipeg, Manitoba, is home to the Winnipeg Blue Bombers Football Club and the University of Manitoba. Despite the stadium’s location in a high-snowfall city, the concession areas are without heat, the water and electric […]

Air and Moisture Control in Buildings

Air and moisture control in buildings is a fundamental function for any commercial project involving conditioned space. Unfortunately moisture problems are common in many buildings and people often consider them inevitable. Moisture accumulation is the scourge of buildings throughout the United States, from tropical Hawaii to arctic Alaska and from the hot, humid Gulf Coast to the hot, dry Sonoran Desert. Between […]

Colorado Construction Defect Bill Dies In Senate

An attempt by the Colorado State legislature to improve condominium owners’ legal remedies for shoddy commercial building practices has failed. Seeking controls over access to litigation by disgruntled Condominium Home Owner Associations (HOA), SB 177 died in a House committee in late April 2015. Six Colorado legislators believed the bill unfairly limited the rights of […]

Attention Builders: Home Buyers Want Dry Basements

High Performance Drainboards Provide Reliable Waterproofing Protection If you offer basements with your homes, you realize what a problem moisture can be.  When a downpour causes a flooded basement, you get blamed. Flooded basements can also come from grading problems, unforeseen underground water issues, or something as simple as gutter placement. Whatever the cause, as […]

Moisture Control in Construction Prevents Expensive Litigation in Court

Mold construction defects happen. As a natural element in the environment, mold exists virtually everywhere. Soy sauce, sake, blue cheese, and penicillin are all derived from mold-imbued substances. However, when mold grows unabated in contained areas, it can sicken people who are exposed to it. Mold can trigger allergic, irritating and sometimes toxic responses in […]

Proper Air and Moisture Control in Homes, According to the US Department of Energy

Air and moisture control in homes, says the US Department of Energy, begins with a discussion of what used to be called “vapor barriers,” but are now referred to as “vapor diffusion retarders.” Vapor diffusion retarders can aid in controlling moisture within “basements, ceilings, crawlspaces, floors, slab-on-grade foundations and walls,” and accomplish this by cutting […]

Tile and Slate Roofs Require Specialized Protection

The Proper Tile and Slate Roof Underlayment Can Prevent Expensive, Premature Replacement Unlike asphalt shingle roofs, which are nailed tightly to the underlayment, tile and slate roofs allow air and moisture vapor to flow beneath them. Without the proper protection, moisture can accumulate underneath the roofing and cause costly damage. A High Performance Underlayment is […]

Energy Efficiency in Modern Buildings

As modern building materials advance, energy efficiency is inescapable. Near-zero energy buildings are becoming increasingly popular in Europe. However, this will not have a great effect on energy consumption as a whole until energy efficient building materials and practices are widespread. Iowa State University Professor Yu Wang states that energy efficiency is relatively inexpensive when […]

Air and Moisture Barriers Important to Net Zero Homes

Over the past decade, net zero homes have grown in popularity. They are also more viable as solar panels have dramatically decreased in cost while increasing in efficiency, and energy storage systems have become far more cost-effective. Now, the National Association of Home Builders (NAHB) cites a report from the Net Zero Energy Coalition (NZEC) stating that 6,200 housing units […]

Premium Metal Cladding Systems and Roofing Benefits

The aesthetically pleasing nature of zinc and copper cladding attracts architects looking to unite durability, sustainability and creative expression. High-end metal cladding provides a dramatic and eye-catching contrast to other materials, including brick, glass, wood and concrete. High End Metal Cladding and Its Benefits Both metals are popular for use in metal cladding because they […]

Challenging Open Joint Cladding Design

  The pyramid is one of the earliest forms of structure for human occupation, spanning the ages of the megalithic tombs of ancient Egypt and Mesopotamia all the way to today where visitors can see an aesthetically gorgeous confluence of design, form, and function. The Denver Botanic Gardens’ new Science Pyramid is now open to the public. Though […]

Rainscreens Create Structure and Separation to Protect Against Moisture

Without proper ventilation and drainage, moisture can accumulate between the water-resistive barrier and siding of a building. A rainscreen separates the cladding from the building, allowing drainage and moisture evaporation. Ventilated rainscreens are a support system in the building envelope that separates the cladding from the building, allowing for proper ventilation and drainage. It does […]

Architect Air and Moisture Control Concerns

Air and moisture control is important for occupant comfort and structural durability. Architects have to consider moisture control during the planning and construction phase of any building. There are several ways for moisture to travel into a building. In addition to precipitation and natural humidity, moisture can get into buildings from construction moisture, ground moisture, […]

Designing an Energy Efficient Building Envelope

In the early stages of the green building movement, lighting, mechanical, control system designs, and upgrades received the most attention. Over the last several years, however, the focus has shifted towards designing and specifying energy efficient building envelopes. Building construction and operation have an enormous impact on the environment in terms of energy usage, atmospheric […]