Framing A Deck Around A Bay
Many houses are built with a door access projecting from a cantilevered bay. In most cases, particularly in older construction, these bays are not built from continuous floor trusses running through the house. They are instead simply applied or tacked on to the side of the house. This means you cannot directly hang off this section of house. If you are working around a canted bay, verify your house's construction by checking your house plans or the house frame itself if you have an unfinished basement. You can always cut beam pockets into the house to provide bearing support or install posts and footings beside the house. But, why the hassle? The best and least invasive technique is to frame an H around the cantilevered bay.
This is done by installing two beams running perpendicular to the house from either side of the bay and running a beam between them directly in front of the bay. In essence, you are transferring the load off of the cantilevered bay through the beam set in front to the two perpendicular-oriented beams and finally to a solid part of the house. Use the proper joist hangers and fasteners to secure the framing. Because of the long spans across the bay, you may need to use a 3-2x10 beam.
Attaching the Ledger Board to the House Rim
Learn how to properly install a waterproof ledger board using flashing and fasteners. Check out our step-by-step video and detail drawings.
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Framing Around a House Cantilever
Learn a technique for framing around a cantilevered house bay to properly support your deck.
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Learn structural framing methods
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Build a covered deck to enjoy all seasons
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Framing A Deck Around A Bay
Many houses are built with a door access projecting from a cantilevered bay. In most cases, particularly in older construction, these bays are not built from continuous floor trusses running through the house. They are instead simply applied or tacked on to the side of the house. This means you cannot directly hang off this section of house. If you are working around a canted bay, verify your house's construction by checking your house plans or the house frame itself if you have an unfinished basement. You can always cut beam pockets into the house to provide bearing support or install posts and footings beside the house. But, why the hassle? The best and least invasive technique is to frame an H around the cantilevered bay.
This is done by installing two beams running perpendicular to the house from either side of the bay and running a beam between them directly in front of the bay. In essence, you are transferring the load off of the cantilevered bay through the beam set in front to the two perpendicular-oriented beams and finally to a solid part of the house. Use the proper joist hangers and fasteners to secure the framing. Because of the long spans across the bay, you may need to use a 3-2x10 beam.
Attaching the Ledger Board to the House Rim
Learn how to properly install a waterproof ledger board using flashing and fasteners. Check out our step-by-step video and detail drawings.
Flashing the Ledger Board
You should flash your ledger before you install your decking. Over time, the house frame behind the deck will rot if it gets wet.
Framing Around a House Cantilever
Learn a technique for framing around a cantilevered house bay to properly support your deck.
Pressure Washer Buying Guide
When it comes to cleaning your deck, it's important to choose the right pressure washer. Use this pressure washer buying guide from Decks.com to help with your decision!
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Explore Articles by Topic
Footings
Information related to installing frost footings for decks
Framing
Learn structural framing methods
Decking
Learn about wood and composite decking materials
Stairs
An in-depth look at the complex issue of how to build stairs
Railings
How to install guardrails and handrails to meet IRC code
Features
An overview on water drainage, benches, planters and lights
Design
The basics of deck design
Planning
Learn about permits and working with contractors
Porches & Patios
Build a covered deck to enjoy all seasons
Ledger
Proper attachment techniques
Care
Maintain your deck to maintain your investment
Materials
An overview on water drainage, benches, planters and lights