They include, framing, insulation and some even include drywall. Currently, we're workin' on our bug out bus. Adventure on! 1 Our range contains dual and mono density stone wool products, resulting in an impressive thermal performance that prevents heat escaping through floor and ceiling spaces. Before products like Amdry Insulated Subfloors were available, contractors needed to build proper basement subfloor systems themselves. Basement Subfloor Rigid Foam Insulation. Something to note is that when putting down both the rigid board and plywood, there were areas that we had to cut out. Live a smart & simple life on your terms. Make sure the insulation is the proper width for the joist spacing of the floor being insulated. Specialty subfloor systems consist of rigid foam insulation sandwiched between a vapor barrier on the bottom and a sub-floor material like plywood or OSB on top. So the floor is contacted with the coldest air both inside and outside which may result in to lose up to 15% of heating. This site uses Akismet to reduce spam. If you click a link and make a purchase, we’ll earn a small commission at not extra cost to you. Did This Blog Post Help You? Whatever you choose you need to achieve a U value of 0.25. Our goal is to slow the bridge through insulation. The process of securing the floor insulation boards varies depending on the type of subfloor you are working on: Solid floors – To be certain that your floor insulation boards are securely fixed in place we recommend laying them down on a quick-setting flexible tile adhesive. Spray foam was high up on our list because it adds rigidity to the structure of the bus and acts as a vapor barrier and insulation all in one. QUESTION: What’s the difference between plywood subfloor and tongue & groove plywood subfloor? By screwing each piece of T&G plywood through the GPS insulation board and into the metal floor pan, we are preventing the possibility of the layers from shifting. Subfloor systems eliminate the "cake layer" approach and give you all layers fused into tiles that can be attached to each other—at a higher price than the methods above. When the square-edged plywood is screwed down to the floor, there is a tendency of the wood shifting while the skoolie is moving. We could use something heavier, like a 10-mil poly if we were going to leave it exposed for very long, but we laid our poly and them immediately started putting foam over the top of it.". You can attach wood sleepers to the floor, fill the gaps with rigid-foam insulation, and then apply your finish flooring. Earn an independent living from your knowledge, skills & passions. An optional horizontal rigid insulation skirt can also be added to reduce heat loss to the surface, which can mitigate frost-related problems (see Figure 6-4). See part 1 here. Skoolie subfloor insulation is of personal preference as there are not any industry standards that we’ve found for insulating a school bus floor. The batts should be installed flush against the subfloor to eliminate any gaps, which could serve as passageways for cold airflow between the insulation and the subfloor. Knauf Insulation Pty Ltd. Head Office: 23 Corporate Drive, Cannon Hill, QLD, 4170 Postal Address: PO Box 244, Cannon Hill, QLD, 4170 07 3393 7300 info.au@knaufinsulation.com It should be sealed airtight. Category: Hydronic Insulation Tags: Hydronic Heating, Nudura ICF, Radiant Heat Floor Panels, Rigid Insulation. Rigid board insulation is the last option we considered. You probably need more screws though. To use sheep wool on the floor would be awesome if we were doing a roof raise. Building the skoolie subfloor with a layer of plywood will increase the compressive resistance giving us a strong skoolie subfloor to build upon without having to use furring strips. Install a basement subfloor using amdry rigid foam insulation installed over rigid foam insulation installed over basement insulation retrofits fine thermaldry insulated floor decking. If so, we would greatly appreciate it if you comment below and share it with a friend. We ended up going with 1-1/16” rigid board insulation that has a vapor barrier attached to both sides of the board. The rigid board is easy to cut with a heavy-duty utility knife. You can see here there's the OSB sub-base, where the spray foam comes over the top of the plates on the right hand side of the picture, that sub-base is thewre because we won't have a sill plate to nail our trim to in the end, and, we wanted something to let the insulators wrap down to that connection. After that, if you haven’t already, get rid of any rust & paint the floor with a rust-inhibiting paint like Rust-Oleum (we used Rust Coat, which is the Canadian equivalent). ThermalDry® insulated subfloor system will not attract mold or be damaged by moisture. If Installing Over The Subfloor. This method was going to be more complicated than we wanted to tackle. Rigid board insulation is the last option we considered. We’d start by putting down one-inch, rigid foam board and then 5/8-inch plywood or OSB screwed through the foam and into the concrete floor using Tapcon screws, which are designed for concrete. Applications include residential environments such as a basements or retro-fit garages; commercial environments, agricultural, retail store and industrial applications. We (I, Brian) plan on going under the bus with a wire wheel on the drill to clean every screw protrusion and put a fat dab of polyurethane caulking on the screw up against the metal floor pan so that the area is sealed around each screw. If the insulation is above the concrete the room will heat up more quickly in the morning. The first option, which is not the best option in our opinion, is the standard yellow, pink or white fiberglass insulation. Panel incorporating vapor barrier, insulation and an OSB subfloor finish; quick and easy to install. In this article, we’re going to share with you our thought process and what we decided to do for our skoolie subfloor. By combining rigid insulation panels and a tubing retention system into a single product, the step of fixing the tubes to a wire mesh or subfloor is eliminated. 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. Barricade is one such example: 2x2x1.125-inch tiles with OSB wood on top and closed-cell polystyrene insulation, XPS on the bottom. Now that the tongue and groove plywood subfloor piece has been laid down, we then screwed in self-tapping 2” metal screws through all the layers and into the floor pan. What a great comment! ANSWER: It’s the tongue & the groove (T&G). Rigid insulation is essential for controlling the interior temperature of new construction and renovations. There are two ways to handle insulating concrete floors. Considering the rigid board has a 10psi compressive resistance means it can withstand 10 pounds of pressure per square inch. Something to keep in mind is that not all foam board is made the same and construction adhesive can react to some foams causing a chain reaction of bubbles kind of like when you mix baking soda and vinegar together for the volcano science project. It comes in individual panels, making it easier to install than blow-in insulation and other insulation types. Before building out and layering subfloor materials, there are a few things we did to ensure a long-term solid subfloor. Now that the metal floor pan is clean and the subfloor insulation and plywood subfloor materials are all picked out, it’s time to install the subfloor system. When it comes to insulation, sheep’s wool has an R-value of R-7 per 2”. I would use adhesive to secure the foam to the slab and adhesive to secure the plywood to the foam. Call 1-855-350-4256 today! Let’s have a look at what rigid foam is and the different types, some tips on installing it, and special considerations to keep in mind. https://www.facebook.com/BEAdventurePartners/k, Read more: The School Bus Conversion Guide | Building a Tiny Home On Wheels », Insulating & Installing Skoolie Subfloor | Smart & Simple Flooring Method. Insulation and subflooring get installed in a single step, providing fast, hassle-free installation. This project took us one afternoon to complete and is well worth the investment of installing it correctly so that our future projects will be secured safely while driving our bug out skoolie vehicle out into the wild! Most packs of rigid foam feature a higher R-value per inch than cellulose, fiberglass, or cotton. Basement Subfloor Rigid Foam Insulation. Particle board is probably the least effective subfloor because of how it responds to moisture and construction. Without subfloor insulation, it can make you home uncomfortable to live in due to the cold and draughts that come in. It is … Rigid insulation can be laid on top of the original floor, then chipboard flooring can be placed over it. Subfloor Insulation in Melbourne. First, we cleaned the floor with a vacuum and mopped with Simple Green, an eco-friendly, non-toxic degreaser. When you are looking for polystyrene eps insulation board, think Halo! But because I’m 6’2” it quickly lost its place in our subfloor insulation project due to height restrictions. The seams are overlapped six inches and taped. Insulated Floating Subfloor, Part 2: Plastic and Rigid Insulation Water and thermal barriers make a warm, dry base for the subfloor to float on At the Praire Modern house in Columbia Missouri, we previously looked at digging a hole in a very particular shape… As you work with fiberglass insulation, the particles of glass can cause skin, eye and respiratory irritations. Get It Free. ThermalDry® Insulated Subfloor Benefits. This is a four-inch EPS; traditionally you'd think about doing this in two layers, to try to avoid thermal bridging, but we're not too concerned. Insulating & Installing a skoolie subfloor is a necessity for building out the interior of an old school bus into a tiny home on wheels. Rigid Board Subfloor Insulation. Save time and space in your basement with Owens Corning FOAMULAR® INSULPINK® extruded polystyrene (XPS) insulation. Floating floors are used most often in domestic buildings especially when retrofitting or refurbishing an existing building. thick) applied beneath and spanning the floor joists, held on with cap nails and seams taped, edges sealed with a foam sealant – is a tested good solution. Since we’ve screwed all our layers down, people have been chirping us on social media about thermal bridging from the screws. November 30, 2018 Water and thermal barriers make a warm, dry base for the subfloor to float on At the Praire Modern house in Columbia Missouri, we previously looked at digging a hole in a very particular shape so that concrete stem walls could be poured and wall framing placed on those. To use spray foam, first 1×4 or 2×4 furring strips would be attached every 16” to the metal floor pan of the old school bus. Mary, I would cut into the drywall and look at existing insulation. We're really happy with how hefty it was. If there is space above insulation by the subfloor, then you could cut a strip of drywall to access blowing in a dense pack of insulation. To keep plumbing pipes from freezing, install them as close to the subfloor as possible, without insulation between the pipes and the subfloor. Our main goal is to inspire people to get off-grid and become self-reliant. Subfloor systems eliminate the "cake layer" approach and give you all layers fused into tiles that can be attached to each other—at a higher price than the methods above. Knauf Insulation Pty Ltd. Head Office: 23 Corporate Drive, Cannon Hill, QLD, 4170 Postal Address: PO Box 244, Cannon Hill, QLD, 4170 07 3393 7300 info.au@knaufinsulation.com