How Toattach Roof To Concrete Wall

Cinder blocks are a great tool for building garden walls or storage structures in your yard.

How toattach roof to concrete wall.

This is an especially critical area as there are plenty of places where leaks can form. 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. Set the roof truss on each mark. Step 4 drill the holes in the wall.

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. 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. Step 5 attach the ledger board to the wall.

Insert the expansion anchors into these holes so that they are flush with the wall. Attaching a wood roof to a cinder block building is difficult but possible. Failure to create an attachment point will result in roof failure especially in high winds. Repeat this step to attach the remaining trusses.

Concrete screws come in 3 16 and 1 4 inch diameter in lengths up to 3 3 4 inches. There are some requirements that must be taken into account when connecting to wood members. Here are some step by step directions to installing this roof flashing yourself. Using a 3 8 masonry bit in the hammer drill drill the holes through the wall in the places that you marked.

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. Master carpenter hack how do you fix a timber plate to a brick wall. 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. They can be used in concrete block and brick.

The connection between the cmu block and the roof system has to be strong enough to withstand storms with high winds. Walls that are constructed of concrete block that need to be covered with a roof will require the use of a ledger. Often you need to secure a piece of timber to a wall when doing some decking. Secure the ledger by driving a concrete 3 1 2 inch concrete screw into the block.

A ledger is a horizontal board that is attached to the top of the the wall. The holes need to be at least three inches deep into the wall. Cmu concrete masonry unit block is an extremely strong form of construction. Both hex head and phillips head styles are available.

Wind loads are one example of the requirements. Measure and mark the location of the roof trusses.