How Many Nails On A Manserd Roof

Mansard roofs present very unique challenges to property owners and to contractors.
How many nails on a manserd roof. For regular three tab shingles this would require 320 nails per square. A mansard or mansard roof also called a french roof or curb roof is a four sided gambrel style hip roof characterized by two slopes on each of its sides with the lower slope punctured by dormer windows at a steeper angle than the upper. Apply 1 spots of asphalt roofing cement under each corner and at about 12 to 13 in from. During this time the mansard roof style spread across the world and was adopted in different buildings of united states canada and many other western countries.
Right now the roof top is the same as the sides shingles falling apart and i plan to put new iko 50 year fiberglass shingles on would have loved metal but can t afford it. For the first shingle in each row you will want to cut off about 6 inches as you go. This is based on 80 shingles per square. The extreme slope means that not only is there a larger pull from gravity on each shingle but also substances are going to flow faster across the surface.
The roof is not flat small pitch not sure how many degrees and there is an attic that i can get to and almost stand up in so pretty large. Steep slope use six nails and four spots of asphalt roofing cement for every full shingle for every full shingle as shown below. Very steep slopes also called mansard roofs as well as areas with extremely high winds require six nails per shingle to allow enough hold against the elements. Start with 6 rows going up and then across to use as a guide.
Continue to follow these instructions nailing each shingle in with about 4 to 6 nails each. Mechanically attach with cap nails or approved fasteners spaced a minimum 9 o c. Shown in figure 12 5 nails can be placed in the 11 2 nailable area. Prime surface with flintprime aerosol.
Generally you should use four nails per shingle. The steep roof with windows creates an additional floor of habitable space a garret and reduces the overall height of the roof for a given number of. Mechanically attach a minimum two staggered rows 6 o c. Endlaps should receive two nails.
Oftentimes a true architectural focus of the building mansard roofs are near vertical roofs that cover the top portion of a building. Or as required by building code. Once you get to the top you can go to the next side of the roof and work your way up to the top again. In sidelaps and two staggered rows space 18 o c.
In many cases a low slope roof covers the building above the mansard. Mansard roof was not used quite as often in traditional homes despite it was featured in many high rise residential buildings especially in the late 1960s and 1970s. For high wind areas or when shingles are being applied to a mansard six nails per shingle are required 480 nails per square. What is a mansard roof.