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Ledger Board Attachment to a Solid Concrete Foundation Wall
When attaching a ledger board to a masonry wall, you will want to first cut the ledger board to size and have two helpers hold it in place so you can drill two holes every 12” through the wood where your bolts will be installed. Mark these locations on the wall with a pencil. Now, you can drill the holes through the wall into the basement or crawl space using a hammer drill with a masonry bit. Then, just line up the board to the holes in the brick, and screw in the fasteners.
When attaching to solid masonry, you will have to install expansion anchors with a minimum diameter of ½” and set into the wall at least 2 ½”. Hollow concrete block can easily break when drilled and doesn’t leave adequate bearing support for anchors. If you are attaching to a hollow masonry wall, you can fill the cells with grout and use expansion anchors, or you'll need to install epoxy anchors in compliance with the manufacturer’s installation instructions to a minimum depth of 4 ¼”.
Lay out your bolt locations using a tape measure and construction pencil. Bolt patterns will vary depending on joist length. Bolts should be staggered between joists and located 2" from the top and bottom of the ledger board.
Temporarily secure the ledger board to the correct location against the concrete wall using concrete screws or temporary supports. Use a wood bit to drill ½" pilot holes through the ledger board. Next, use a concrete bit to drill into the concrete wall.
Install two bolts at the end of each ledger board. Hammer the sleeve anchor through the ledger board into the concrete wall.
Hand tighten the bolts using a ratchet. Do not over tighten.
Apply a generous bead of silicone along the top the ledger against the house.
Protect the opening by sealing with silicon caulking on both the inside and outside of the wall, or wherever necessary. Always consult your local building inspector before attempting to attach a ledger board to a masonry wall. In some cases, you may want to avoid the hassle and uncertainty of attaching to a masonry wall. Remember, you can always install frost footings and posts beside the house to support the deck without attaching to the house.
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.
what if my deck has no flashing
Our inspector discusses what you should do if you deck ledger board isn't properly flashed.
Attaching the Ledger Board to Brick Siding
Do you have brick siding? You should never attach to just the brick. This is very dangerous.
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!
How to Seal Your Deck & Best Deck Sealers
Once you clean or stain a deck, it is ready to be sealed. Learn how to properly seal your deck in order to protect it from damage caused by harsh climates and weather at Decks.com.
How to Ink Stamps from Pressure Treated Lumber
Ink stamps seen on pressure treated wood represents where the lumber came from and its grade. Learn a few tricks to remove this ink from your wood at Decks.com.
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
Create a free account and get instant & exclusive access to all that Decks.com has to offer:
|
1,000+ How-To articles |
|
80+ Free Deck Plans |
|
Deck Planning Calculators |
|
Free & Simple Deck Design Tool |
Ledger Board Attachment to a Solid Concrete Foundation Wall
When attaching a ledger board to a masonry wall, you will want to first cut the ledger board to size and have two helpers hold it in place so you can drill two holes every 12” through the wood where your bolts will be installed. Mark these locations on the wall with a pencil. Now, you can drill the holes through the wall into the basement or crawl space using a hammer drill with a masonry bit. Then, just line up the board to the holes in the brick, and screw in the fasteners.
When attaching to solid masonry, you will have to install expansion anchors with a minimum diameter of ½” and set into the wall at least 2 ½”. Hollow concrete block can easily break when drilled and doesn’t leave adequate bearing support for anchors. If you are attaching to a hollow masonry wall, you can fill the cells with grout and use expansion anchors, or you'll need to install epoxy anchors in compliance with the manufacturer’s installation instructions to a minimum depth of 4 ¼”.
Lay out your bolt locations using a tape measure and construction pencil. Bolt patterns will vary depending on joist length. Bolts should be staggered between joists and located 2" from the top and bottom of the ledger board.
Temporarily secure the ledger board to the correct location against the concrete wall using concrete screws or temporary supports. Use a wood bit to drill ½" pilot holes through the ledger board. Next, use a concrete bit to drill into the concrete wall.
Install two bolts at the end of each ledger board. Hammer the sleeve anchor through the ledger board into the concrete wall.
Hand tighten the bolts using a ratchet. Do not over tighten.
Apply a generous bead of silicone along the top the ledger against the house.
Protect the opening by sealing with silicon caulking on both the inside and outside of the wall, or wherever necessary. Always consult your local building inspector before attempting to attach a ledger board to a masonry wall. In some cases, you may want to avoid the hassle and uncertainty of attaching to a masonry wall. Remember, you can always install frost footings and posts beside the house to support the deck without attaching to the house.
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.
Attaching the Ledger Board to a Concrete Wall
Step-by-step instructions on how to install a ledger board to a concrete house foundation wall using expansion anchors.
what if my deck has no flashing
Our inspector discusses what you should do if you deck ledger board isn't properly flashed.
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!
How to Prepare & Protect Your Deck for Winter
Preparing and protecting your deck for the cold weather is important to ensure the longevity of your deck, especially in cold climates. Learn how to prepare your deck for winter at Decks.com.
What is Wet Rot and How Do You Treat It?
Wet rot occurs when water or high moisture levels cause wood to decay. Learn how to recognize the signs and causes of wet rot and how to treat it.
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