Everyone in the spray foam industry seems to be pushing the benefits of spray foam, however why do many independent surveyors still not like it or recommend it and many surveyors who are valuers will down value a property because it has the insulation. We have heard that also the National Federation of Roofing Contractors doesn't recommend it. In general, it is a good idea to start at the top, holding the sprayer about two feet from your roof, and working your way down to the bottom. So what are the problems with spray foam insulation? We stock a selection of foams & fillers such as putty, foam tapes and polyethelene joint backing foam (also known as backing or backer caulk or backing caulking) in perforated, tear-off packs, 15m coils, round-section rod backing foam and some very dark grey (nearly black) 2 metre strips. More information on Spray Foam Products and methods. It has been in use for over 30 years and is now becoming increasingly popular as it’s an effective insulator … It could be argued that the National Federation of Roofing Contractors are losing out with this technology as it is a competing technology they are losing roof work, however independent surveyors have no reason to recommend it or not recommend it. The spray on foam is a rigid foam that is lightweight, normally sprayed on to the underside of the roof approximately 50 to 100 mm thickness. As the name suggests, spray foam insulation is a liquid foam which is sprayed into position and sets into an insulating layer. The foam never gets touched and never loses R-value. You can also paint the rocks using a series of layers of paint or by using an airbrush to apply subtle … This is condensation within a material for example within a roof structure. Gorilla Filler Expanding Foam 500ml. Ironically this often occurs when hiding Christmas presents in the roof or getting Christmas decorations down from the roof or putting them back up in the roof. If you look at the various adverts for spray foam insulation it's very much sold as a quick fix where it is said that it can be fitted in one to two days. Squeezes into gaps and fills them tight. A spray foam roof can be the last roofing system you’ll ever need on a building. Advice for choosing & using sealants to patch a leaky roof or roof valley: Roofing sealants have been applied for centuries using just about anything at hand: tar, pine-sap, even sugar to try to seal leaks in a roof that's damaged or at the end of its life. It makes us wonder whether it is more the fact that the water can get through the tiles and sit against the timber that causes future problems. A thick (typically 1.5″ thick) closed-cell polyurethane waterproofing barrier seals the roof against leaks. Our Bespoke systems retain over 80% of heat normally lost through the roof. Quick and easy to use id… If you read the sales literature from the various spray foam companies they will say spray foam is used for several reasons: 1 The spray on foam salesman's pitch goes something along the lines of that the spray foam stops tiles and slates from slipping and strengthens the roof by holding them in place. All you need to know about Building Surveys, Designers and Architects will they save me money or will they cost me money, Enviroment, Your Building and Garden Gnomes, Estate Agents help sell houses and work for the vendors, Have a Structural Survey to protect you against structural problems, Home improvements, builder problems and ideas for you on how to solve them, How a Surveyor values a property, Chartered Surveyors and Regulated Valuers, How Chartered Engineers and Building Engineers can help you, Structural Surveys and How We Can Help You, Traditional and Non-Traditional Houses and Mortgage Problems. Spray Foam Insulation ROOFSURE Rigid Polyurethane Spray Foam is the most efficient form of roof insulation available on the market today. 3 Some give guarantees for 25 years or so. The Building Research Establishment was a government owned body and is generally considered to be the main research establishment for new products and is commonly known by the name of BRE. Property TV Reviews by an Independent Surveyor, Schedules of Condition Leasing a Commercial Property, Churches and Charities, helpful reviews from our clients, Industrial Buildings and Warehouses and what our clients say about us, Offices Large and Small, reviews and feedback from our clients, Pubs, Restaurants, Hotels and other Leisure facilities we have surveyed over the years, Shops and Retail, helpful reviews from our clients, Buying a Leasehold or Shared Freehold Home, Buying and Selling Houses for the experienced house and home purchaser. Our range comes in standard black and grey colours offering different sizes depending on the size of the job at hand. Many of them comment to avoid it like the plague for a variety of reasons. First Time Buyers how do I go about buying my first house and home? They can be easily applied with a brush and are perfect for repairing small cracks and splits in existing bitumen roof sheets. Interstitial Condensation is caused by there being a big difference in temperature between the inside and the outside and condensation occurring normally where the insulation meets the roof covering be it of tiles or slates. We partner with manufacturers whose roof flashing tapes, foam fillers, spacer systems & industrial roof sealant products offer practical high-performance solutions for all industrial and commercial applications. At year 10-20, a contractor will add more coating and granules. Foam roofs should be recoated every 5-10 years, depending on the quantity and quality of coating previously installed. As a surveyor we would comment that it may well be the second item condensation which you are suffering from. We hope you found the article of use and if you have any experiences that you feel should be added to this article that would benefit others, or you feel that some of the information that we have put is wrong then please do not hesitate to contact us (we are only human). Roofing. Roof sealants are a great way to add further waterproof protection to your roof. Talk to a Waterproofing Expert: 1-888-345-0809 Spray foam insulation can help you save up to. I think we mentioned earlier that it can cut heat losses by down to 80% which is what the spray foam insulation sales people say and the big problem is when you have got a listed building and the spray foam insulation is used it damages something that simply cannot be replaced. Step 3 - Spray the Roof. Closely working with leading manufacturers, we offer a selection of premium quality, cost-effective roof & gutter sealing products suitable for all kinds of construction industry purposes. 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