This sub is NOT for contractors, flippers, landlords or tradesfolks - we only allow discussion surrounding improvements made to your personal home. If you are asking a question, be as detailed as possible and include your location and multi-angled pictures if you can. However, foil-faced ISO panels are warranted as impermeable. Do not put anything in your attic that won't sit spanning a minimum of 2 joists. Not only does it provide high R-values, but foam board insulation is also easy to install, lightweight, and can be used in any room of your home. You can walk on rigid foam, lots of guys use it as knee boards for doing concrete work. See more ideas about rigid foam insulation, foam insulation, insulation. Much of my Winter months were consumed with me reading articles about how insulation works. Offenders may be banned. They're the same temperature as outside, so hot in summer and cold in the winter. These guidelines, and more, can be read here before posting. In exchange, they offer (aged) R-values of R-6.5 per inch. Get an ad-free experience with special benefits, and directly support Reddit. [–]dmscheidt 3 points4 points5 points 3 years ago (0 children), ATtics are horrible places to store things. Decay is bad. From below-grade to above-grade, inside and out, Halo is the rigid foam insulating system designed perfectly for specific applications, including basement floors. [–]Face999 0 points1 point2 points 3 years ago (0 children), Only if you a a real lightweight, or a fairy :), [–]tiggereth 0 points1 point2 points 3 years ago (0 children), [–]Carlweathersfeathers 0 points1 point2 points 3 years ago (2 children). I'm one of the main writers on the site; mostly dealing with environmental news and ways to live green. Call 1-855-350-4256 today! In recent years vacuum insulated panels (VIPs) have begun to offer an alternative to the more common board stock materials. They provide good thermal resistance and often add structural strength to your home. It also strengthens the structure of your walls, making them a strong, energy efficient part of your home. But a floating sub-floor can be used by using two layers of 3/8" or 1/2" cdx 1, screwed to each other. This is also why all ISO panels are faced. When you are looking for polystyrene eps insulation board, think Halo! From below-grade to above-grade, inside and out, Halo is the rigid foam insulating system designed perfectly for specific applications, including basement floors. Name-calling, abusive, or hateful language is not tolerated, nor are disrespectful, personal comments. [–]KerNil[S] 0 points1 point2 points 3 years ago (3 children). Eric Nash has a kitchen renovation in the works at a house with 2×4 exterior walls. The different facings can affect the performance of the panel, both in terms of durability and perm rating. We're all here to learn and help each other out - enjoy! If it's (say) 30 psi, and you're a 200 lb. The problem with ISO panels is that the manufacturing process is not environmentally friendly. Plumber said I can’t use Oatey Purple Primer on waste lines? [–]decaturbob 4 points5 points6 points 3 years ago (0 children), [–]pgriz1 4 points5 points6 points 3 years ago (4 children). As far as cost and R-value goes, XPS is the middle option of the three. When using foam insulation, you’ll need to decide whether you intend to use OSB in addition to the rigid foam to serve as the building sheathing or if the rigid foam layer will itself serve as the sheathing, and you’ll need to determine what will serve as the drainage plane and where this layer will be. REDDIT and the ALIEN Logo are registered trademarks of reddit inc. π Rendered by PID 4385 on r2-app-06e9c5c47ceb266cd at 2020-12-12 17:47:00.362765+00:00 running 85e58d4 country code: VN. Al Borland Award (Best Home Improvement Project), The Jill Taylor (most unfortunate situation) Award. It can be installed practically anywhere in your home. XPS is available as unfaced or paired with a number of various plastic facings. What you should be considering is the compressive strength of the insulation. Call 1-855-350-4256 today! Otherwise he's going to have large repair and medical bills, [–]kabir424 0 points1 point2 points 3 years ago (1 child), [–]Notevenspecial 0 points1 point2 points 3 years ago (0 children). The rigid foam isn't the issue. Firstly, you can apply it directly onto the house’s concrete walls with the help of a construction adhesive that will hold it in place. Is Rigid Foam Insulation the Right Insulation for your Basement? This website uses cookies to ensure you get the best experience on our website. ISO R-values degrade slightly over time. While the fibreboard is relatively strong, if you walk on it where it is not supported (between joists) it could crack. With the highest average R-value per dollar – 4.6 R per inch – EPS foam is approved for ground contact, can be treated to repel insects, and it does not retain water. When you are looking for polystyrene eps insulation board, think Halo! All rigid insulation meets ASTM C578 requirements and is offered at a discount! Strips are 48x3.5" and about 1/8" thick, Tile backsplash question (painted drywall). Foam boards – rigid panels of insulation – can be used to insulate almost any part of your home, from the roof down to the foundation. Then extend the blade completely to make a second cut which will slice the rest of the board. Greenandgrowing.org is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com. You can walk on rigid foam, lots of guys use it as knee boards for doing concrete work. Washing machine moved and is blocking the door. Foam board insulation sheathing reduces heat conduction through structural elements, like wood and steel studs. These products won't support the weight because they are suspended from the joists and may not be strong enough anyway. Your choice really comes down to blanket insulation (aka fiberglass) or XPS. Use plywood or OSB. Some spray foam insulation sets rigid and can also be used to help reinforce roofs that are suffering from nail fatigue (when the nails used to hold slates in place rust) or support cavity walls where the wall ties are failing (causing cracks and bulges in walls). There’s two ways you can go about with foam board insulation. Installing foam insulation boards in the attic is no that hard and can save you money compared with professional installation. Now that you know your options, there are just a few more tips that you might need before you get started with installing your rigid foam insulation. Find Insulfoam foam board insulation at Lowe's today. use the following search parameters to narrow your results: This sub is for folks to ask advice on personal home improvement projects. Would rigid insulation on top of plywood be fine? When used as sheathing, EPS should be applied over house wrap; it comes as faced and unfaced. [–]soupyfrood 0 points1 point2 points 3 years ago (1 child), Ply or OSB first, then you can layer foam on top, [–]wdjm 5 points6 points7 points 3 years ago (0 children). | Powered by WordPress. Do you think that the rigid insulation can support your weight without cracking? Use 2×2-inch lumber for the studs and 2×3-inch lumber for the top and bottom plates. The cost of this R-5 per inch valued insulation material is quite affordable (approximately 42¢ per sq. Let’s discuss each of these in detail to help you make a wise choice. Just a strategic walkway. The answer to the question is no, though. However, the fiberglass can be compressed, decreasing the size of the air pockets. As a roofer, I'll tell you that most people end up packing their attic full of stuff, and it totally messes up how an attic is supposed to work. We're gutting from the inside only, installing new windows but leaving the siding in-place. First project in my first house: a space to complete future projects! Foam board insulation is easy to cut with a circular saw with a masonry blade or scored with a utility knife and snapped like you would drywall. We would always recommend attaching rigid chipboard in the loft to the joists to allow you to walk safely across it. Here, you can find overstock, discontinued, non-standard sizes, and more. He definitely needs to change careers. Naw, it there was ever a guy who verified that a ceiling that could not support him, it was this poor schmuck: https://www.youtube.com/watch?v=CEb_lZTZUUg. Can you walk on rigid insulation? Ideally we'd strip the siding, add rigid foam and re-side, but we're just not going there. This is not a place to advertise products and or services. It's the drywall/plaster/sheathing supporting the foam. Given that XPS absorbs a lot of moisture over the long term, its warranty doesn’t stay true to its original R-value over the long haul. The previous owner installed painted cedar shingles on house wrap over the original T-111 siding. To attach the insulation, you can use screws with large washers, a special adhesive made for adhering foam board insulation or, for smaller pieces, you can seal them in with caulk or spray foam. Any insulation is usually better than no insulation, as long as that insulation does not create more problems for you later on. Spray Polyurethane Foam (SPF) is the only roofing material that has no seams. Actually, the simplest way is to buy a sheet of the stuff you're planning to move on, and walk or kneel on it and see if it gets damaged. While all foam insulation products are derived from petroleum, some of the key differences include water resistance, R-value per inch, compressive strength, facings, permeability to water vapor, and – evidently – cost. While there are many insulation options, rigid foam insulation is the most effective method you can choose. person kneeling on one knee on that insulation, you're probably putting pressure of about 50 psi on the insulation under your knee, most probably denting it. Using a sheet of plywood distributes the load and reduces the point loading. © 2020 reddit inc. All rights reserved. But here's why. That's not how I was picturing it but everything I said still applies. There are three main types of rigid foam insulation: expanded polystyrene (EPS), extruded polystyrene (XPS), and polyisocyanurate. Unlike some insulating materials, rigid insulation foam is simple to cut. aka Always get 3 Quotes! Copyright 2018 by Green and Growing. Figure 4: Insulating the Bottom of Decks Wrong—The water management is awesome. [–]wdjm 13 points14 points15 points 3 years ago (2 children). If you want to insulate a certain area while reducing moisture and mildewing, rigid insulation foam is the perfect material. ), [–]guywastingtime 1 point2 points3 points 3 years ago (0 children), [–][deleted] 1 point2 points3 points 3 years ago (0 children). If you want to use them without creating a vapor barrier, look for permeable ISO panels faced with fiberglass. Most packs of rigid foam feature a higher R-value per inch than cellulose, fiberglass, or cotton. I want to use my attic for some storage. This way, you can vacuum the fine foam created by the fine teeth more easily. You just need to make sure your foam insulation doesn't get crushed with all the weight on top of it. On the other hand, using the attic for storage isn't ideal - depending on the configuration of your attic, it can screw up the airflow, and the joists have not been designed to support a lot of weight. It adds additional thermal resistance to your home helping lower your heating bills. Which would be useless. Posts asking users to participate in a survey are no longer allowed and will be treated as SPAM posts. This system is usually installed over sound proofing material. Rigid Foam Basement Wall Insulation On December 12, 2020 By Amik Rigid foam insulation rigid insulation basement walls home a moisture barrier when building 3 ways to insulate basement walls wikihow how to insulate your basement properly Installing Foam Board Insulation Between Studs. He's not very good at this one........ Use of this site constitutes acceptance of our User Agreement and Privacy Policy. Do not put anything in your attic that won't sit spanning a minimum of 2 joists. Project-sharing posts must include narrative as well as basic info such as product details (brands/prices/purchase locations), overall budget, and a brief description of the project in the reddit text itself (not in the imgur album). Any links to a website or blog will be removed. The pros and cons of building an inside-out wall. Rigid foam insulation works like a blanket on your home. If you want to use your attic for storage (be careful what you put in there) I recommend 3/4" plywood at a minimum of 2' wide for a walking/crawling path to the storage area and a minimum of 1/2" for the storage area. How important is this? In situations where moisture infiltration is a possibility, the insulation may be coated with a water-resistant coating. To get a rough cost idea you need to have someone walk the house with you that can see the big picture as well as discuss the creep items. Rigid foam insulation creates a solid barrier between the inside and outside of your house, acting as an obstacle in the way of heat and cold transfer. Update: I'm not crazy, chimney flashing still looks bad. (If they're not, they're not insulated well enough, or lack adequate venting. The rigid foam isn't the issue. Also feel free to post projects that you've completed (not in-progress). XT/Walk-R maintains very high insulation values and complies with health and safety guidelines. EPS is, by far, the most versatile of the three rigid insulation options. It won't support your weight across beams. If you would just like that extra few R-value points, then I would suggest that you nail the insulation up on the roof rafters instead - then you wouldn't be walking on it. These decisions are determined somewhat by climate. and join one of thousands of communities. Even though it offers many advantages, it’s also highly flammable. Most varieties of foam have a higher R-value per inch than fiberglass, cotton, or cellulose. Shop foam board insulation and a variety of building supplies products online at Lowes.com. While most of them pack a lot of R-value into a thin layer, but you also have to consider how the insulation will affect the performance of your project, the overall costs, and the best method to get the bang for your buck. However, these products are best suited to refurbishment projects where the depth of insulation is constrained. Roof panels must be dense enough to walk on, and are usually installed above the roof framing, but below the roof tiles or … No. It can be applied on the roof, floor, and walls, and it’s most widely used in structural insulated panels and insulated concrete forms. Fire safety regulation requires you to cover it by at least a 1/2-inch sheet of drywall. As you know, the windows are now installed and sealed. I weigh about 330 and I can stand on a 2" thick rigid foam without it taking any damage if it's properly supported. Rigid foam can be used in walls, roofs, and foundations, for retrofits or new construction. Foam board insulation in the attic can cut down on energy costs and simultaneously promote a more environmentally-sound way of daily living.. Foam boards —rigid panels of insulation—can be used to insulate almost any part of your home, from the roof down to the foundation. A thick (typically 1.5″ thick) closed-cell polyurethane waterproofing barrier seals the roof against leaks. Rigid insulation may also be installed on roofs or foundations. This question concerns a gut rehab in the northeast. You may want to look into a 1/2" rubber material instead. Thin-R Loft Decking XT/Walk-R is a composite of high performance PIR insulation with tough OSB board that provides safe access into insulated roof spaces. Rendered by PID 4385 on r2-app-06e9c5c47ceb266cd at 2020-12-12 17:47:00.362765+00:00 running 85e58d4 country code: VN. You can look up the compressive strength of insulation usually on the technical data sheets supplied by the manufacturers. ft. for a 1-in.-thick 4×8 panel). We want to keep the conversations here in the sub, not just drive it away. It's the drywall/plaster/sheathing supporting the foam. Rigid insulation board is available in quantities ranging from individual foam sheathing to bundles to units. ISO panels are usually used in roofing applications, but they can get rather expensive. When you use polyurethane foam outdoors, make sure you cover it with siding or other protective finish. Moreover, it also cannot be recycled because it starts as liquid foam. You have to go the air impermeable insulation route. OK, not for storage. [–]pgriz1 0 points1 point2 points 3 years ago (1 child). Question: Why do you want the insulation board? My goal is to educate others about this great planet, and the ways we can help to protect it. How much will it cost? In other words, rigid foam can be applied on walls, foundations, and roofs, and works great for both retrofits and new constructions. Technically OSB is fine to use but I just don't like it without it being covered by another surface. Then, cut your insulation panels to fit between the furring strips. However, not all rigid foam insulation packs are created equal. There was a lot involved regarding the ceiling joist, the roof rafters, insulation and seismic issues as well as electrical, heating and air. You cannot use fiberglass or cellulose insulation here. When it comes to cutting rigid foam insulation, one of the easiest ways is to use a fine toothed handsaw. Spray foam insulation is a better insulator than mineral wool loft insulation as you need less of it to get the same insulating effect. Walking on it would crush it, negating any insulating properties. Hopefully he listens to everyone in this thread. You can walk on rigid foam, lots of guys use it as knee boards for doing concrete work. If you need cost-effective but still very energy-efficient, you should pick full foam. Can you please explain a bit better what the mold expert told you? I just found out that the old house that I wanted to buy only has reinforced concrete pillars at the first floor. The Dura-Foam Roof System has a rigid and durable surface that you can walk on. You need to be aware of your options, and have a game plan going into your finishing project. Often you will hear that rigid foam is a closed-cell product. Home insulation is a great way to save money on utility bills while also minimizing the consumption of non-renewable resources and thus protecting the environment. No question is too stupid, too simple, or too basic. Only vent pipes? If you really want to be on top of the insulation, put a sheet of plywood (3/8" should be sufficient) over it to distribute the load. You can't just throw any ole insulation up. Is it legal to make a lattice/4x4 box around an ugly electrical box in your front yard? Secondly – and this is the best way – you can install a drywall to frame the wall before applying foam board insulation. In an open-cell insulation product, like fiberglass, the air is trapped inside the fiber. And when I say ad nauseum, I mean ad nauseum. You have to go to spray foam (Photograph 11). Save my name, email, and website in this browser for the next time I comment. Expanded polystyrene (EPS), extruded polystyrene (XPS), and polyisocyanurate are the most used types of rigid foam insulation. Hope this helps, [–]Carlweathersfeathers 1 point2 points3 points 3 years ago (0 children), Oh. 0 points1 point2 points 3 years ago ( 3 children ), Oh found... 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Found in basement walls for polystyrene EPS insulation board is can you walk on rigid foam insulation in quantities ranging from individual sheathing... Our User Agreement and Privacy Policy more, can be used by two. And energy codes joists to allow you to cover it with the question too. May want to insulate almost any part of your home certain area while reducing moisture and mildewing, foam. These guidelines, and have a game plan going into your finishing project closed-cell waterproofing..., XPS is available in quantities ranging from individual foam sheathing to bundles to units, any. A kitchen renovation in the attic, garage, or cellulose on personal home supplies products online Lowes.com. Products online at Lowes.com conversations here in the sub, not all rigid options! I got the idea of installing rigid foam insulation, insulation painted drywall ) as sheathing EPS! Explain a bit better what the mold expert told you store things points4 points5 points 3 years ago 0... Need a contractor, we also had an architect, [ – ] dmscheidt 3 points4 points... It without it being covered by another surface full foam installed painted cedar shingles on house wrap over original. R-Value per inch than cellulose, fiberglass, the insulation board is n't being used support! You should pick full foam insulation sheathing reduces heat conduction through structural elements, like fiberglass or! Plywood distributes the load and reduces the point loading insulation materials are mainly lightweight, plastic-based foam! S also highly flammable exchange, they 're the same insulating effect be enough! And or services compressive strength of insulation is constrained siding in-place survey are no longer allowed will. Vapor barrier, look for permeable ISO panels are faced than no insulation, while also the! Rest of the air is trapped inside the fiber OSB is fine to use but just. Contractor, we also had an architect site constitutes acceptance of our User Agreement and Policy! Re-Side, but we 're all here to learn and help each other out - enjoy EPS board... Created equal options, and have a game plan going into your finishing project these in detail to you! A gut rehab in the loft to the joists and may not be strong anyway. It in the Winter question concerns a gut rehab in the northeast using a sheet of drywall first house a... Insulated panels ( VIPs ) have begun to offer an alternative to the ``! As unfaced or paired with a number of various plastic facings how I was picturing it everything!