How to Anchor a Pergola to a House

How Do You Anchor a Pergola to a House?

A pergola can be a great addition to any home. It provides shade and creates an outdoor living space.

But how do you anchor it to your house?

In this article, we will discuss the different methods you can use to attach a pergola to your home.

How to Anchor a Pergola to a House

Mark the Pergola Elevation and Width on the House.

Measure the width and height of the pergola and mark these measurements on the house. Make sure that you allow enough space for each end of the pergola to overhang. You also want to make sure that the pergola is level.

Attach the ledger board to the house. The ledger board is the horizontal piece of wood that will be attached to the house. To do this, you will need to use lag bolts and washers.

First, drill pilot holes into the ledger board. Then, align the ledger board with your marks on the house and drill it into place.

Cut and Notch Three Beams for the First Roof Layer.

Now that you have the framework of your pergola built, it’s time to start anchoring it to your house. The most important part of this process is making sure the structure is secure so it doesn’t collapse and injure anyone.

There are a few different ways you can do this, but the most common is to use hurricane ties.

Level, Pre-drill, and Attach the Pergola Ledger to the House.

In order to attach the pergola posts to the ledger board, you will need to use either bolts or screws. Whichever method you choose, make sure that the fasteners are long enough to go through both the ledger board and the pergola post.

You will also need to use washers in order to prevent the fasteners from pulling through the wood.

Drill Patio for Post Brackets and Attach with Expansion Anchors.

Drill patio for post brackets you will need to drill holes in the patio for your post brackets. The size and placement of these holes will depend on the design of your pergola and the type of post brackets you are using.

Install Post Supports and Posts to Brackets with Heavy-gauge Nails.

Now that the posts are installed, you can add cross beams and rafters. These will give your pergola the signature look it is known for. To do this, simply nail or screw the beams and rafters into the posts.

Hold Posts Vertical with Temporary Stakes and Braces.

To keep the posts of your pergola vertical as you’re building it, use temporary stakes and braces. Drive the stakes into the ground on either side of each post, and use sturdy braces to hold the posts in place while you work.

This will help ensure that your pergola is stable and looks good once it’s finished.

Screw First-layer End Beams to the Posts.

This can be done using either lag screws or carriage bolts. If using carriage bolts, make sure the washers are large enough to cover the entire surface of the post. This will help to distribute the weight and prevent the wood from splitting.

For both lag screws and carriage bolts, use a drill bit that is slightly larger than the screws themselves so that the wood doesn’t split.

Cut and Curve One End of Six Second-layer Beams.

Using the circular saw, cut six beams to the desired length. Once they are cut to length, use the jigsaw to curve one end of each beam. The amount you curve the beams is entirely up to you. We suggest curving them about six inches.

Interlock Layer-Two beams to Layer-One Beams and Trim the Posts.

This can be done by using metal connectors or even nails and screws. Make sure that the posts are trimmed so that they are even with the top of the beams. Once they are trimmed, you will want to attach the beams using either metal connectors or nails and screws.

Cut Eight Third-layer Beams, Notching to Interlock with Beams Below.

To build the pergola, you will need to cut eight third-layer beams. These beams will not only provide support for the roof of the pergola, but they will also help to secure the structure of the house.

Be sure to notch each beam to fit snugly against the beams below, ensuring a solid, stable construction.


Building a pergola can be a fun and rewarding project, but it’s important to make sure that it is properly anchored to your house.

If you’re not sure how to do this, our team of experts can help. We’ll work with you to design the perfect pergola for your home and make sure that it is safely attached.