Short takes on hot topics from Weather Barriers to Waterproofing Membranes
Documents

IBC 2015 Updates Affecting Foam Plastic
A summary of IBC 2015 provisions clarifying fire safety requirements and sound practices for commercial wall assemblies with exterior foam insulation
27 July
When water hits a concrete wall Is it good practice to exclude a membrane air barrier WRB in concrete masonry wall assemblies? Read this Post
9 May
Consult IBC 2015 for exterior walls with foam insulation The 2015 IBC edition is best source for how to incorporate plastic foam insulation into exterior wall assemblies. Read this Post
17 April
Rough jobsites favor pliable TPO over rigid HDPE membranes Since the first job of the membrane is to prevent water migration, experienced waterproofing contractors say sites with rugged, uneven substrates should al... Read this Post
9 February
How to avoid permeability nuances for fluid-applied membrane... For optimal clarity on hygro-thermal behavior of the membrane, experienced specifiers and installers insist that manufacturers report test results for both... Read this Post
20 January
Best Practices for Waterproofing Below the Water Table Over the years design professionals have discovered vulnerabilities with bentonite systems in certain applications. One such vulnerability concerns their u... Read this Post
20 November
Spray or sheet applied air barrier -- which is better? Spray or sheet applied air barriers are both reliable, but which is best? Read this Post
21 October
Breaking Down Energy Codes As much of the country is experiencing record high temperatures during the 2016 dog days of summer, building professionals are ... Read this Post
1 April
Is your exterior wall insulation choice all wet? New continuous insulation building codes present some unique challenges when it comes to choosing the best material that also passes fire safety standards. Read this Post
1 April
Specifying for permeability can be confusing Carlisle Coatings & Waterproofing has prepared this chart to help architects and engineers in specifying the permeability of WRB membranes. Read this Post
25 February
Understanding vapor drive A short guide describing basics about vapor diffusion and tests used to measure water vapor permeance Read this Post
28 January
Ever wondered this about weather barriers? Common questions about weather barriers answered here. Read this Post
17 November
More tips for an air-tight building Five more tips to ensure your air barrier is doing its job. Read this Post
24 October
Twelve tips for successful air barrier installation Over the years, the technical team at Carlisle Coatings & Waterproofing has identified 12 tips common to successful air barrier applications. Read this Post
3 October
Desktop and mobile app makes NFPA 285 designs a snap The “R2+ NFPA 285 Build-A-Wall App” was developed by CCW to help design professionals choose from more than 700 wall assembly option. Read this Post
24 September
Rubberized asphalt and flexible PVC don't play well together Construction is a contact sport so it pays to know the rules when it comes to knowing which materials play well with others. Read this Post
25 July
Buildings under pressure -- Part 3 In our last few posts, we discussed two major causes of building air leaks – wind and stack pressure. Today, we address the third and final cause of air le... Read this Post
15 July
Buildings under pressure: part two Last post, we discussed wind pressure as one of three major causes of building air leaks. Today, we address a second major cause – stack pressure. Read this Post
27 June
Buildings under pressure: Part One When installing an air barrier system it is critical to understand the pressures that occur on buildings which cause infiltration and exfiltration.  Unders... Read this Post
15 May
How to get a "no-brainer" air barrier system Many readers have asked how air and vapor barriers interact with the building envelope, particularly as they relate to below grade/blind-side waterproofing... Read this Post
22 April
Why this "selfie" needs pressure Athletes talk about peak performance under pressure. The same holds true for self-adhering sheet applied membranes Read this Post
14 March
Mixology -- How bad accessories make bad air barrier membran... Design professionals who want a sustainable air barrier system that will improve energy efficiency, indoor comfort and longevity must pay particular attent... Read this Post
9 January
Redevelopment sites ideal for blindside waterproofing Urban redevelopment sites present unique property line encroachment and space limitation design challenges. Increasingly, architects are specifying blindsi... Read this Post
19 November
Rubberized asphalt loses tie game with flexible PVC Construction is a contact sport so it pays to know the rules when it comes to knowing which materials play well with others. Read this Post
22 October
Difference between dry cup and wet cup testing for ASTM E96 Water vapor transmission (WVT) is the rate of water transmission through a material of a constant thickness at a given ... Read this Post
11 September
Not all glass-mat sheathings are created equal As the use of new glass mat sheathing products has become more widespread, installers have noticed significant performance differences when sheet-and liqui... Read this Post
20 August
How to specify a wall assemby that passes NFPA 285 Recent changes in commercial wall assembly design are resulting in increased energy efficiency, but also new challenges to meeting fire safety provisions i... Read this Post
15 August
How to measure the dry film thickness of a fluid applied air... Installers know that once an air barrier installation is complete and the material has fully cured, the design team needs confirmation that the membrane me... Read this Post
30 July
Vapor Barrier? Retarder? What’s the difference? The effectiveness of a material to control diffusion is measured by its permeability or perms.  A perm is defined as the ability to pass one grain of water... Read this Post
19 June
How is a tent fly like a rainscreen? Rain screens for buildings work in a way similar to a tent fly. Read this Post
6 June
Leak basics key to sealed building envelope Air is a fluid, it flows and it has pressure.  The pressure can go up or down, and that’s what ... Read this Post
17 May
What is the Dew Point? The temperature at which the water vapor contained in a volume of air at a given atmospheric pressure reaches saturation ... Read this Post
2 May
What is Vapor Drive? A phenomenon called vapor drive moves water vapor from areas of high density to low density.  Vapor drive naturally diffuses moisture vapor ... Read this Post
29 April
Carlisle Coatings and Waterproofing Your #1 Choice for Air/V... As a new hire to Carlisle Coatings and Waterproofing (CCW), it is exciting to be a part of an organization ... Read this Post
27 April
The Need for an Air Barrier Leading building consultants for years have said that air leakage is the leading cause of exterior wall issues.  Issues such ... Read this Post
22 April
Air Barrier Definitions To properly specify air barriers it’s important to understand all aspects of the air barrier system.  In particular the materials, components, ... Read this Post
21 April
Why should air barriers meet NFPA 285? Previous posts have explained NFPA 285 and specific code requirements necessitating NFPA 285 testing.  Sometimes we think that this type of ... Read this Post
18 April
Advantages of Fluid Applied Air and Vapor Barriers Fluid Applied Air and Vapor Barriers offer a number of performance advantages over polymeric weather resistive barriers (building wraps), and ... Read this Post
12 April
Air Pressures that Cause Air Infiltration and Exfiltration The infiltration and exfiltration of air in buildings is the primary reason to install an air barrier system. When installing an ... Read this Post
9 April
What is the NFPA 285 test and how it relates to Weather, Air... The International Code Council (ICC) recently voted to uphold the 2012 requirements for NFPA 285 testing in exteriors with combustible ... Read this Post
7 April
When is NFPA 285 Required? The answer to this question is discovered by answering additional questions and is determined by the enforced version of the ... Read this Post
3 April
What is the accepted moisture content within a substrate for... Excessive moisture in CMU, concrete, exterior gypsum sheathing and wood based sheathings can cause premature damage and adversely affect the ... Read this Post
31 March
Air Barrier Continuity Without continuity, air barrier system performance is compromised.  In cold climates, breaks in the air barrier cause air leaks causing ... Read this Post
28 March
What is an Air Barrier – Vapor Barrier – Water Resistive Bar... What’s an air barrier? An air barrier material resists air leakage and is designed to form a continuous plane around ... Read this Post
25 March
What is ASTM E2357? ASTM E2357 is the standard test method for determining air leakage of air barrier assemblies.  Prior to this standard, only the ... Read this Post
19 March
Post Installation Air Barrier System Testing The growing awareness of energy efficiency, green building, high performance buildings, and uncontrolled airflow (infiltration or exfiltration) through the... Read this Post
17 March
What is ASHRAE Standard 90.1-2010? The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASAHRAE) develops standards for those concerned with refrigeration processes... Read this Post
15 March
Carlisle Barritech NP – “Easy to work with” Construction of the Christmas, Florida Fire House recently completed with Carlisle Barritech NP used as the air and vapor barrier.  Barritech ... Read this Post
13 March
Vapor Diffusion vs. Air Leakage vs. Bulk Transport Air movement as a moisture transport mechanism is typically far more important than vapor diffusion and bulk transport of moisture.  As ... Read this Post
20 January
Who Knew That Using Carlisle Products Could Be So...Healthy? For a couple of days this week, I was tasked with attending a Healthcare Facilities Summit in Austin, Texas.  Instead ... Read this Post
18 January
Sometimes Being Thin Is a Bad Thing In this week’s edition we are going to cover two things that are near and dear to my heart – ... Read this Post
17 January
You Get What You Pay For... As the down economy lingers, so does the lack of construction in much of the country.  I think everybody who reads ... Read this Post
16 January
Choosing the best AVB system is easy as clicking a button The sweltering month of July has come to an end, but not before over 2,000 records were broken by high ... Read this Post
15 January
One size doesn't fit all for AVBs Since starting this blog, I have been asked not only about air barriers and how they work on a building, ... Read this Post
14 January
Top five questions answered about Air and Vapor Barriers Constructive Barriers By Mike Nasso, CDT, LEED AP – Air and Vapor Barrier Product Manager  No doubt a teacher ... Read this Post
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