Have you been offered foam at less than a dollar a sq. foot?
You might want to think twice at that price point. This homeowner wished they had.
This wall assembly was sprayed by a lowest bid contractor. At first glance, the foam install on the wall looks of average quality and the industry standard of three inches thick.
Go Green Solutions also offers a spray polyurethane foam that includes characteristics of both closed-cell and open cell products. This insulation is referred to as a “hybrid” or sometimes “double density” polyurethane foam.
This unique insulating product is more characteristic of an open cell material and by definition is an open cell product since it does not contain a blowing agent such as Honeywell 245fa which historically was required to be defined as a true closed cell foam.
What’s the difference between open cell & closed cell? Others will say there’s no big difference. Some will tell you it’s all about price per square foot. You want the facts necessary to make an educated decision.
Polyurethane spray foam is often categorized as either “open cell” or “closed cell”. There are several major differences between the two types, leading to advantages and disadvantages for both, depending on the desired application requirements.
Unvented attics are a real concern for home owners. Receiving proposals for properly foaming the attic roof-line is nothing like getting bids on blowing cellulose on the attic floor or installing fiberglass insulation. Foaming the attic alters the chemistry of the entire home and has a direct impact on its pressure boundaries, the operation of the central HVAC system, water vapor characteristics, heat loads, etc.
Central Air-conditioning and heating systems and the ductwork are usually located in our attics simply because this is the easiest place to install them. However, installing the system in the attic is actually the Top 10 Dumb Things To Do In The South for several reasons. First, and most importantly, the ductwork leaks. Case studies of thousands of homes from different parts of the country over many years continue shedding light on the fact that all ductwork leaks…