Black Jack elastomeric roof coating is a brand of flexible roof coating. Made from white acrylic latex, it protects a roof from water and wind damage.
This type of roof coating expands and contracts with the movement of the roof while resisting cracks and other damage. It is a protective barrier against heat and the sun's UV rays, which leads to cooler surfaces and reduction of the temperatures of the interior rooms. Black Jack elastomeric roof coating is ideal for metal roofs, such as those on many mobile homes. Elastomeric roof coating may also be used on tile and built-up roofs. Elastomeric roof coating is an Energy Star labeled product, and is intended for long-term use.Learn More
A girder truss is a type of secondary roof support that is most commonly used in the construction of buildings that have a roof that is irregularly shaped. Its main function is to support the weight of the roof.Full Answer >
To measure a roof, find both the area of the house and the pitch of the roof. Calculate the number of roofing tiles necessary to complete the job by multiplying the area of the house by the numbers that correspond with the pitch of the roof.Full Answer >
Laying out a common rafter begins with preparing a detailed roofing plan and obtaining the pitch of the roof. Get the roof span, and make a triangle called a birds-mouth. Calculate the rafters for hip roofs falling on four sides, and use the difference to calculate the lengths of the jack rafters before laying out all common rafters.Full Answer >
A roof can be added over an existing mobile home roof using traditional construction techniques. Materials needed for the project include lumber, insulation, nails, paint, sheathing material and shingles. To begin the process, a plate is nailed along each side of the mobile home, with nails going through the existing metal roof and into the tops of the walls underneath.Full Answer >