| Roof Over Your Head: Creating the Roof |
From "Home IQ"
episode DHIQ-106 |
|
|
In this first segment, the homeowners (Brad and Lynn Oberg) make the decision to build the home they want with a very detailed roofline. Carpenter Jim Misencik uses a more traditional approach to create the roof.
In DIY's new Home IQ series, you'll follow the Oberg family during the decision-making process of building this beautiful new home.
| 
In this week's episode, the workers put a roof over the Oberg home.
|
- With a roofline as detailed (figure A) as the Oberg home, the builder can't use pre-fabricated roof trusses. In fact, a more traditional approach is necessary. The first thing Misencik must figure out is the pitch -- or slope -- of the roof so he can put together a template for the roof's rafters. This isn't a quick task and must be re-figured for each section of the roof.
- These rafters (figure B) are the long beams that run from the top, or ridge, to the exterior wall below. At the ridge the rafters tie into a ridge beam that runs across the top of the roof.
- At the bottom of the rafter, a cut is made -- called a bird's mouth (figure C) -- so the rafter can sit on top of the wall structure.
Architectural Roof ElementsWhen architectural elements are added to a roof, the cost of the structure increases -- and it's easy to identify these elements: - Where the sides of the roof angle toward the ridge, it's called a hip.
- Where two sections of roof come together and form a "V" is called the valley.
- When sections of a room push through a roof it's called a dormer.
The Oberg roof has many hips and valleys with each of the three bedrooms on the second floor creating a dormer. This is definitely not an easy or inexpensive roof to frame.
As mentioned in last week's episode (DHIQ-105), part of the roofing process was delayed because the concrete floor for the basement and garage couldn't be poured due to the bad weather (rain). This domino-effect delay caused the way Misencik had to frame the house, including the roofing. For example, he didn't have all the starting points and times he'd preferred due to the delay in pouring the concrete floors for the basement and garage.The site supervisor, Greg Allen, said, "He [Misencik] actually had to build the roof backward. It's difficult but not impossible." Instead of raising the highest ridge beam first, then framing the longest hip sections, Misencik and his crew had to piece the roof together working off imaginary points and markers.
With some of the walls up, work got underway on the left-hand section of the roof. A ridge beam was set in place with temporary support and then the rafters were set, which creates the skeleton of the roof. A sturdier beam made from laminated wood called an "LVL" was used on the hip. This LVL helps carry and transfer the roof load and is called the "hip beam" (figure D) because it runs down the corner of the hip. In the next segment the roof construction continues and the homeowners make their shingles selection.
RESOURCES :
Roofing
Basi Roofing Co.
3200 Black Oak Dr.
Allison Park, PA 15101
Phone: 412-486-1661
Spray Insulation
Product name: Icynene
US Spray Systems
6500 Commerce Circle
Trafford, PA 15085
Toll-free: 800-895-8784
Fax: 412-374-1180
Website: www.icynene.com
GUESTS :
Brad and Lynn Oberg
Homeowners
Company: IBACOS (Brad)
Title: Co-Founder/Chief Technology Officer
Website: www.ibacos.com
Henry (Hank) Swierczynski
President
Hendolhurst Homes
955 Markman Park Rd.
Baden, PA 15005
Phone: 724-935-5658
Fax: 724-935-0884
E-mail: buildm@zoominternet.net
Greg Allen
Site Supervisor
Hendolhurst Homes
955 Markman Park Rd.
Baden, PA 15005
Phone: 724-935-5658
Fax: 724-935-0884
E-mail: gcrbs@adelphia.net
John Broniek
Buildings Programs Manager
Ibacos
Website: www.ibacos.com
Jim Misencik
Framer
Misencik, Inc.
Pittsburgh, PA
| 
)
)
)
)
)
)
)
)
![PHOTO](javascript:popup("http://img.diynetwork.com/DIY/2004/02/09/dhiq106_1fd_e.jpg",350,450))
