Tightening Screws Metal Roof

Often a metal screw works loose.

Tightening screws metal roof.

Use the manufacturer s recommended screw gun to tighten the seal and make sure you create a tight seal but without using excessive pressure. Likewise cold temperatures outside a home cause the roof to contract. Proper metal roofing installation begins with the use of the right equipment starting with the screws used to anchor your panels or shingles to the structure. Metal roofs expand and contract a fair amount.

These expansion and contraction cycles will cause strain on the screws that hold the roof material to the building causing those screws to loosen. As a metal roof heats up the entire roof expands. The holes around the screws elongate to accomadate the movement. We have a ten year old metal roof that is tightening screws on metal roof 8 17 2015 within the i have an existing metal roof and have a question discussion of the residential metal roofing forum.

To avoid the maintenance hassle i chose to go with a clip style standing seam roof. Remove the metal screw with either a flat head screwdriver or phillips head screwdriver depending upon the screw. Not as bad as vinyl siding but enough to work the screws over time. The metal loosens the screws with all it s movement.

There are many things that happen when a metal roofing screw is over tightened. The first thing is that the rubber washer under the washer housing tears and in turn will allow water to seep under the. Another thing that happens to the rubber washer if it doesn t tear is that it gets pushed out. Here in the southwest where i am the general advice for face screwed roofing is to plan on going up and tightening the screws every five years or so.

Use the best practices of installing screws to create a tight seal without using excessive pressure. That s why real metal roofs have expansion built into them. Tap the top of the screw hole with a hammer to flatten the outside edges. Check all parts of the roof by removing the ridge cap installing anchors replacing the ridge cap and then checking the screws.

The main cause of a leaking roof on a diy metal roofing installation is incorrectly fastening the screws. Once a screw looks weathered or compromised replace it. Bck out a few screws and see if the wood shows signs of dampness yet. Quite often the screws are over tightened or under tightened and when this happens it creates leak points.

Sometimes it is important to use larger screws in metal roof repair to make sure the seal is tight. How to tighten metal screws step 1. Screwing or fastening down a metal roof is one of the easiest parts of a metal roofing installation but it s also the most problematic. Inspect the roof to see which screws need tightening and which ones need replacing.

Choose the best sort of fasteners and sealing washers for metal roof repair. 5 years is a good run without leaks. It s important to use screws approved by the roof manufacturer when redoing your metal roof screw placement.