There should be a foam sill sealer between the bottom plate and the concrete foundation wall. But voids in the wood or concrete, or tears in the sill sealer, can create gaps where air and insects can penetrate. While you’re sealing the rim board, cover the bottom plate and top off the concrete as well. There’s no need to picture-frame the joist spaces before filling them, but don’t spray a lift more than 2 in. thick. http://www.youtube.com/watch?feature=player_embedded&v=ggLAUsiuI_o
Spray foam is a fully adhered insulation that is spray applied into wall cavities, providing a continuous air and moisture barrier. Spray foam allows efficient use of your HVAC system and helps regulate the temperature fluctuations and humidity in your home. Spray foam effectively seals the building envelope, filling in any cracks and crevices, the common source of air and moisture infiltration as well as temperature variations. http://www.youtube.com/watch?v=ggLAUsiuI_o&feature=kp

This is a one coat system for your RV. The result is customers saving labor costs and material costs since many of the other systems on the market require multiple coats and provide no warranty. Stop recoating you RV after just three years with elastomerics and acrylics and get the product with the industry's leading warranty. Over a 26 year history of proven success in the marketplace. Regarding dry times; it normally takes about two days above 50 degrees for the material to develop a skin and then 7 days for a full cure. Should the temp drop below 50 you would need to add that time to the overall cure. So for example if it drops below 50 degrees over the next 15 hours add 15 hours to the overall timeframe. The higher your daytime temperature gets the quicker the material will dry. If you get an unexpected shower no need to worry. Also in the event of that unexpected shower the product is already waterproofed. In fact that ponding rain water will even start curing underwater! Easily applied with a squeegee and a roller a 24 ft unit should take you approx two hours to apply. Note that once you mix the catalyst you have approximately a 3-4 hour pot life depending on your daytime temperatures. The higher the temperature the less pot life you have. During your initial cleaning of your RV you may wish to consider adding 2 cups of bleach to kill any surface mold/mildew along with a standard detergent such as dawn dish washing detergent or Simple Green. You will want to be sure that any oils or fats are removed as they will cause the existing epdm roof to swell. That swelling most of the time will go down but in some cases it will not and that is not covered under warranty. Applying one coat of the proflex primer will alleviate that issue.
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where to get spray foam


You probably have some familiarity with spray foam insulation, and you may have even used the foam that comes in pressured spray cans at home improvement retailers. This foam is know as one-part foam, meaning that it is one continuous mixture that is simply applied to the area in need. One-part foam is frequently used for sealing small gaps and cracks. http://m.youtube.com/embed/ggLAUsiuI_o
Roof coatings made with acrylics, urethanes or asphalt soften under the stress of ponding water or snowpack. Eventually, these roof coatings will bubble and peel away from the substrate, leaving your roof vulnerable to leaks, rot, and decay. However, GacoRoof’s 100% silicone formulation is designed to stand up to whatever the elements dish out. Silicone will withstand areas of ponding water without softening, bubbling or peeling from the substrate. Acrylic, urethane and asphalt roof coatings decompose and wear away from the stress of harsh sunlight, UV rays, and freeze-thaw cycles.
I have been looking to have closed cell insulation added through out my attic space. I cant seam to find a installed that wants to install no more than 2 inches, and thats not near my R-valve for South Carolina (Lake Greenwood)please send any advice that will help me to see what installer will perform the correct job. This is a expense that i can only afford to do once. Sandi
Thank you, Allison. We have a split system unit (actually 5) with the heat being propane. The foam guy said that it needed ventilation, so completely sealing the attic wouldn't be a good idea. It sounds like you are saying that the systems need to be vented out of the attic or replaced with some type of closed system. But I shouldn't bother spraying if the plan is to leave the soffet vents open. Is that correct?

how much is spray foam roofing


You probably have some familiarity with spray foam insulation, and you may have even used the foam that comes in pressured spray cans at home improvement retailers. This foam is know as one-part foam, meaning that it is one continuous mixture that is simply applied to the area in need. One-part foam is frequently used for sealing small gaps and cracks. http://youtube.com/watch?v=ggLAUsiuI_o
Roof coatings are easy to install. Smaller roofs in good, serviceable condition can be a weekend do-it-yourself (DIY) project. Larger roofs with leaks and ponding water issues should be coated by a qualified professional. Additional roof coating products, such as foam or coatings designed for seams, may be required underneath the main coating layers. Supplement coating products are used to reinforce damaged or leak-prone problem areas.[3] https://m.youtu.be/ggLAUsiuI_o
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