Framing Gable and Shed Dormers Farmingville NY

Whenever adding any type of dormer in Farmingville, it's essential to determine the roof load and design the load path transfer to the existing floor joists or roof rafters. Then you can ensure adequate bearing points, or add framing and install beams to carry the loads through the walls down to the foundation. It wouldn't be a bad idea to consult a structural engineer for guidance, especially on larger dormers.

Local Companies

New Roof Long Island
516-986-4156
32 W. Main Street,
Long Island, NY
Mc Ardle Roofing & Siding
(631) 754-3203
23 Tanager Ln
Northport, NY
Done Deal Gutters & Constr
(631) 261-2385
144 Broadway
Greenlawn, NY
Gary Owens Construction Inc
(631) 427-8679
92 Fort Hill Road
Huntington, NY
Dicarlo Siding & Roofing Co
(631) 897-3737
97 Orange St
Central Islip, NY
Nill Contracting
631-724-9511
14 regal ct
st james, NY
Commercial Roof Service@1800FLATROOF
(800) 352-8766
800 Burman Blvd PO Box816
Calverton, NY
Leafguard Gutter Systems
(631) 968-6854
63 3RD Ave
Bay Shore, NY
Anthony's Roofing
(631) 951-9117
27 Madison Ave
Brentwood, NY
Timberline Roofing
(631) 427-3000
11 Oriole Pl
Huntington, NY
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Source: TOOLS OF THE TRADE Magazine
Publication date: July 11, 2006

By TOOLS OF THE TRADE Editors

Whenever adding any type of dormer, it's essential to determine the roof load and design the load path transfer to the existing floor joists or roof rafters. Then you can ensure adequate bearing points, or add framing and install beams to carry the loads through the walls down to the foundation. It wouldn't be a bad idea to consult a structural engineer for guidance, especially on larger dormers.

Gable Dormers

Gable dormers get their name from the gable roof covering them. These dormers are built perpendicular to the existing roof plane, with their ridges extending out from the existing roof. This means the sidewalls of the dormer bear and transfer the weight of the dormer rafters to the existing main roof rafters or the existing floor joists in the room/attic below. Which way you decide to support the dormer loads depends on the interior layout you're shooting for.

Bearing on the Rafters. My first choice is to install double or triple roof rafters on either side of the new dormer for the sidewalls to rest on. This eliminates the need to remove attic subflooring to insert additional joists. It also leaves the area beneath the common rafters uncluttered without any walls to interfere with open space and provides freedom to lay out partition walls later.

I locate the position of the dormer and do as much work as possible inside the attic before opening up the roof.

Click here to read full article from Tools of the Trade

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