How Toattach Roof To Concrete Wall

Failure to create an attachment point will result in roof failure especially in high winds.

How toattach roof to concrete wall.

There are some requirements that must be taken into account when connecting to wood members. Attaching a wood roof to a cinder block building is difficult but possible. The ledger is needed to properly attach the perpendicular roof trusses to the top of the structure. If the area where you are planning to use the cinder blocks is already covered with a concrete pad you can easily build a cinder block wall right on top of the concrete.

Step 4 drill the holes in the wall. Measure and mark the location of the roof trusses. Secure it with a joist hanger using the hammer and nails. Using a 3 8 masonry bit in the hammer drill drill the holes through the wall in the places that you marked.

Set the ledger back on top of the wall. A ledger is a horizontal board that is attached to the top of the the wall. Set the roof truss on each mark. The holes need to be at least three inches deep into the wall.

When joining new concrete work to old concrete work the joint will always develop a crack and will be a point of expansion and contraction. They can be used in concrete block and brick. Cmu concrete masonry unit block is an extremely strong form of construction. Master carpenter hack how do you fix a timber plate to a brick wall.

Wind loads are one example of the requirements. Concrete screws come in 3 16 and 1 4 inch diameter in lengths up to 3 3 4 inches. This is an especially critical area as there are plenty of places where leaks can form. To install roof flashing to a masonry wall or to a chimney you will need to follow specific instructions to ensure a leak proof seal.

However the do it yourselfer can attach a wooden roof to cinder block with little or no training in one to two days depending on the size and scope of the project. Repeat this step to attach the remaining trusses. Here are some step by step directions to installing this roof flashing yourself. Insert the expansion anchors into these holes so that they are flush with the wall.

Over time this expansion and contraction especially if they occur at different rates due to the sections of concrete being exposed to different temperatures will work the sections apart and the crack will widen. Cinder blocks are a great tool for building garden walls or storage structures in your yard. Secure the ledger by driving a concrete 3 1 2 inch concrete screw into the block. Any structure that you build will be more stable when it is set on a solid foundation.

Walls that are constructed of concrete block that need to be covered with a roof will require the use of a ledger. Step 5 attach the ledger board to the wall.