Our stores are closed on December 25. tack free time (at 74°F / 50% rel. Enerfoam™ Professional Foam Sealant is designed to form a durable, airtight, water resistant bond to common building substrates such as wood, brick, concrete, foam board and most plastics. One has to be careful about application of the foam, of course, and not merely window dress it like paint...the nozzle end needs to get into/inside the crack and crevices and holes. My $99 gun got irreparably clogged. Closed-cell foams can be formulated into winter blends that are designed to withstand colder environmental and substrate temperatures. GREAT STUFF PRO Window & Door Polyurethane Foam Sealant is a specially formulated, minimal-expanding foam with a low pressure-build that remains soft & flexible after curing. Freeze/thaw stable. 99 (3) View Wishlist Due to its high resistance, closed-cell spray foams can help resist water from seeping into the insulation, which creates moisture build-up. Granted, more cans to waste but I recycle those. Open-cell foams, however, cannot be formulated this way. Single-part Great Stuff sealants are used to fill smaller areas where air and moisture can flow. of each and every stud bay...plus various other gaps found in other areas where existing drywall had to be cut out. (brand new to GBA subscription). Reason Foam Fails #5 Excessive Shrinkage Fine Homebuilding, Feb/March 2012 With the growing use of foam plastic insulation in building construction, first in commercial roofing and then too often metastasizing over the entire building enclosure, it is being used increasingly as an air barrier component. In the trades, it is known as “medium-density” or “two-pound” foam. The award-winning Smart Dispenser™ provides a level of precision, control, and reusability unheard of in a disposable straw. great stuff Window & Door Insulating Foam Sealant makes light work of spraying insulating foam in the gaps around doors and windows. The average U.S. home has gaps and cracks that run 1/2 mile long from end to end. Here is a link to a document that declares that at least one Great Stuff product -- a canned spray foam called Great Stuff Pond and Stone Filler -- is both moisture-cured and closed-cell: Great Stuff Pond and Stone Filler. Closed-cell polyurethane foams have R-values around 6.0-7.14/in. But the high-expansion stuff can actually push the jamb inward, making them impossible to open. The foam dispensing gun costs $49.95. This insulating spray foam improves energy efficiency and reduces drafts. FAQ: Why Do Some Builders Avoid Foam Insulation. Here is a link to a document that declares that at least one Great Stuff product -- a canned spray foam called Great Stuff Pond and Stone Filler -- is both moisture-cured and closed-cell: Great Stuff Pond and Stone Filler. Introducing the new patent-pending GREAT STUFF SMART DISPENSER. The little cans with straws are a one-time deal — you have to use the entire can in one quick job or it seals itself and has to be trashed. I don't think the fact that a foam produce is moisture-cured has anything to do with whether or not the cured foam is open-cell or closed-cell. Just twist it onto a can of Great Stuff™ and seal around your home for up to 30-days with our restartable, drip-free design. Not sure which spray to grab? This feature has been temporarily disabled during the beta site preview. I wish I could find the GBA article about can spray foams because I do not understand the economics: Half-Pound Open Cell Spray Foam This is the least dense of the foams, and has the advantage of being the quickest to install, as it can usually be applied with a single-pass installation. I’ve come to the conclusion that they all have their place in the hierarchy of repair options. What am I missing here? I think part of why the pro-guns are so awesome is that you can adjust the amount you're letting out of the gun and use no more than you need (for example in stud bay joints) This also allows for far more control and far less over-spray where you don't want it. Bonds to wood, drywall, metal, masonry, glass and most plastics. Half as much, the 12 oz can with the straw, costs $4.25....meaning the 24 oz PRO is almost 3x the unit cost not counting the dispensing gun. I was wondering the same thing about the cost of the 24oz can vs. the smaller cans with a straw....but after viewing a few videos on the pro gun...and even though I'm only using this thing for my own personal one-time project, I splurged on the gun after trying one can of "windows and doors" foam in the plastic straw version with disappointing results (little control...have to use it quickly or trash it... and I got very little coverage from one standard sized can of it. It just has a lesser R-value. For indoor and outdoor use. While simply cutting out and replacing the rotte… Low-pressure foam for air-sealing, filling and insulating doors and windows without warping the frames or jambs Foam Yield (up to): 1.3 ft³ Approx. Closed cell or open cell foam for rim joist in Climate zone 5A, http://www.amazon.com/GREAT-STUFF-PRO-Dispensing-Gun/dp/B0002YOMJE/. The nozzle quality on Great Stuff blue cans is very poor and calling their customer service gets … Window & Doors. A google search said closed cell but I recall a GBA article on adding water vapor increases it’s expansion during curing so that implies open cell, doesn’t it? Thanks. GREAT STUFF PRO Window & Door Insulating Foam Sealant air seals the gap between a window or door and the rough opening to improve energy efficiency. Search ... Great Stuff Multi-Purpose Black Foam Sealant with Smart Dispenser, 340-g $9. GREAT STUFF PRO™ Window & Door Insulating Foam Sealant is a one-component, minimal-expanding, low pressure-build, flexible polyurethane foam. The gun also lets you use the cab multiple times. So if you are looking for a strong insulation, a closed-cell spray foam is what you want to grab. The Great Stuff replacement nozzles work with Great Stuff Pro 14 (TM) foam guns. The much better job it's allowed me to do is totally worth the cost to me...and I can clean it out with the cleaner and pass it on to someone who can use it when I'm finished with it (maybe even sell it at, say, 1/2 price to someone who could use it). As you may have expected, open-cell spray foam is similar to closed-cell in nature. Home House & Components Parts of House Insulation. Is Great Stuff (in the can from Lowe’s or Home Depot) open or closed cell foam? Tack free in six minutes. Quality + Performance = Savings. Add to wish list. cans of gaps & cracks with the gun so far....followed all of the instructions and it's working perfectly...not curing inside the gun. Here are the top three insulation sprays to consider using. It helps to insulate the air within (and outside) of the insulated object, prevents mold growth, and can even strengthen the wall. If you need to leave the gun disconnected from the can for a while, run gun cleaner through it until it runs clean. 99 ... Great Stuff™ Big Gap Filler, 340-g $8. Alternatively, with foresight, a straw nozzle fits nicely into some 3/8" OD potable water white tubing (caulk applied to "glue" the arrangement so the straw won't 'blow out' under pressure). Spray foam can help regulate your house temperature, keeping the indoors cool during the summer and warm during the winter. The average U.S. home has gaps and cracks that run 1/2 mile long from end to end. To the best of my knowledge, many moisture-cured one-component spray foams (including Great Stuff) are closed-cell when fully cured. Since closed-cell spray foam is a denser material, it is meant to insulate buildings and appliances. GREAT STUFF is even Greater! The higher the R-value results in greater insulation. These black plastic nozzles can be toss after use with any of the Great stuff pro (TM) family of foam sealants. Great Stuff can be used to fill punch outs for plumbing and electrical, air spaces around windows and doors, seal between panels and as a panel adhesive. Latex (open cell) or Polyurethane (closed cell) foams. It forms a water-resistant outer skin when cured. Closed-cell polyurethane spray foam is known to be the most common of the two. As I said, I've used a total of two 24 oz. 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