Extensive green roofs normally have an attractive low layer of vegetation, around 80 - 100mm high such as grass, moss, sedum or small flowers. They are suitable for both existing and new build roof decks. Let’s look at the differences between them: Extensive green roofsĮxtensive green roofs are a popular option for homeowners as they are lightweight and require very little maintenance with no need for additional watering unless there is a prolonged drought. It’s also important to mention green roof tray systems (an instant extensive green roof option). When it comes to your options, there are three main types of green roof to consider – extensive, intensive and semi-intensive. Green roofs are sometimes referred to as living roofs, grass roofs or sedum roofs, but these all relate to the same thing. In this guide we take you through the main considerations around choosing a green roof system, how to design it to meet your needs and then we cover green roof construction. They also have a positive environmental impact, attracting wildlife such as birds and insects, and improving air quality in particular in urban areas. Green roofs extend the life and improve the performance of the roof, cutting energy costs. They also deliver a whole range of benefits. On the left side we had the actual stone pillars placed on the corners of the house, where as on the right side, we only had one stone pillar placed under the top right most corner.īlue = Stone Frame blocks, Red = Stone Floor, Black = Stone Pillar.A green roof is a great way to create an attractive design feature on an outbuilding like a shed or garage or transform your home. We had two Stone Frame blocks, one under the door (which you can see), and one on the other opposite side of the hole. Additionally, if you use the big square stone frame blocks for your foundation, regardless if your floor is stone, it also has a chance of having your floor fall out if the surrounding pieces don't have additional support, which happened to us here: If you upgrade your floors before the wood beams, there's a chance pieces may fall out, like the one marked by the green x, because of the additional weight it can now not support. Initially, before upgrade, you'll probably have no issues (you can even expand that out to 6圆). Here, wood beams = black circles and the 3x3 grid = wood floors. In the last quoted paragraph, this really does showcase this issue and is even more true based on the location of your beams when upgrading the floor/roof. In cases where the floor/roof is showing green, but then breaking shortly after, it's almost always because the beams below the floor/roof are made with a much weaker material. But, if you then upgrade the floor to stone BEFORE the wood beams, you actually have a chance for your stone floors to break apart and dropping whatever was on top, because the wood beams can now no longer handle the house floor weight. So, if you build a 6圆 wood floor on top of wood beams, everything on top of that is no problem, as far as weight is concerned. Height of the floor/roof Let me explain. It can make a red house piece turn either yellow or green. like the ground, or a rock face, or another beam that's attached to the ground or rock face, the color of the piece resting on top of the beam can then change color, in the positive direction. When you add a beam UNDERNEATH a house floor/roof, which is then attached to something solid. THE LONG VERSION (mostly talking about floors, but the concepts here also apply to roofs and other pieces):Īs noted in my comment here, regarding beams: and As others have suggested, adding beams to corners and along the roof, and maybe even adding center beam support can dramatically help. The stability of your house does depend on what kind of support it has and where it's getting that support from. TL:DR - In cases where the floor/roof is showing green, but then breaking shortly after, it can be because of weaker material being used below it, or position of beams.
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