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Murus' SIPs are our choice because of their advanced SIP design, high quality, and excellent customer service. We use 5-1/2" R-33 wall panels and 6-1/2" R-40 roof panels. When the finish materials are added, the composite R-values are R-37 (walls) and R-42 (roof). Floor panels are an option.
Pella's Designer Series triple pane windows are standard in our homes. These beautiful windows have wooden frames inside and a no-maintenance aluminum cladding on the exterior. They offer high R-values(R-5.26) and other amenities. Sunlight homes are designed with many windows. For this reason, having high quality, well insulated windows is important.
Framing lumber for interior walls, the garage, porches and the wood crawl-space is also supplied with our Component Package. These materials are obtained from a local lumber supplier.
Building your home with a wood subfloor and a crawlspace has several advantages over the less expensive concrete slab:
• Mechanical and wiring is easier to install and maintain. The structure is first erected, then the mechanicals are installed exactly where they need to go, instead of setting them in a concrete slab much earlier on, which can lead to problems.
• A floor over a crawlspace is more comfortable and easier on your legs and feet because it has more give, even when radiant heating tubes are installed with lightweight concrete over the decking.
• The home isn't built on fill, so there is less excavation. If your home is designed with a porch that is raised up a few steps from natural grade, fill dirt is often used in slab homes to raise the home. This involves cutting and filling (or just filling) to get the height which involves more excavation and more chance of settling later.
• There is better moisture control with a vented crawlspace and in areas where radon is a problem, a vented crawlspace is a good solution. When a home is set right into the ground, moisture and radon can wick and migrate into the home.
• An insulated crawlspace is more energy efficient because heat from the home is insulated off from the cooler ground below.
• You can use any finish flooring on a crawlspace floor system, and you can also install under-floor radiant heat. The joists are sized for the weight of the flooring materials, if tile or brick. Most of our customers choose a radiant heating system for their homes. |