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Although initially focused on a specific project this is a permanent position and the successful candidate will have the opportunity to gain exposure to a variety of PPP/PFI projects in the future and will assist with the development of future projects right from feasibility stages.
Builders London
Stucco – Still Popular in Modern Construction
In modern construction, the use of stucco is commonplace; especially for Southwestern design utilizing exterior stucco wall finish. The use of plaster, however, has declined significantly from its traditional widespread use for finishing interior walls. Interior plaster wall finishes have been replaced largely by gypsum board, also known as drywall or sheetrock.
Stucco
Stucco – Modern Construction Technique Basics
Interestingly enough, the difference between stucco and plaster is more in the intended end use than in the composition. Traditional stucco is made from lime, sand, and water; modern stucco is made from Portland cement and water, with lime optionally added to increase water resistance.
Modern stucco is applied in 3 coats:
* The scratch coat is applied to chicken wire or wire mesh hardware cloth. The wire is attached to a wood-framed or light gauge steel structure. A layer of tar paper is positioned underneath to protect the wood or metal from moisture intrusion between the layers. Once the stucco scratch coat has been applied, it is “scratched” horizontally with a brush so that the next coat will adhere properly.
* The brown coat or “leveling coat” is applied next; leveled with tools like a darby, rod, or federege. It is further smoothed and floated to provide a smooth surface for the final coat; given ample cure time (7 to 10 days minimum) before final coating.
* The final coat is the last layer of stucco to be applied, usually done in one of two recommended types; color coat or acrylic finish. It is then floated with water, resulting in a sandy textured finish, or else textured later with a trowel and additional stucco mix to achieve any of a variety of troweled textures of stucco finish.
Advantages of Innovative Strawbale Construction
A newer innovation in stucco design which has gained interest due to the advantages of green building is straw bale home construction. Walls are made with stacked straw bales, sealed in cement stucco.
Strawbale construction is nothing new. Early settlers in the Nebraska sand hills began using this type of home production over 100 years ago. Some of these structures are still in use today.
Advantages of straw bale construction include:
* An abundant and totally renewable resource – straw bale construction utilizes walls erected from straw bales; a totally and quickly renewable resource.
* A very energy efficient home - straw bale walls typically provide an insulation rating of R48 or more. This far exceeds the Department of Energy’s minimum R-Factor guidelines for even the most frigid climates. Consequently, the extreme insulation provided by this type stucco home construction yields staggering savings in heating and cooling energy costs.
* Ease and speed of construction – strawbale construction is achieved quickly with a very low degree of building skill required; construction can be completed in just a few days.
* High potential for low cost housing - cost can range from slightly higher than conventional building (over $100 per square foot of floor area), or a very low cost ($10 per square foot of floor area) if homeowners undertake most of the building themselves.
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