Tightening Screws Metal Roof

There are many things that happen when a metal roofing screw is over tightened.
Tightening screws metal roof. Sometimes it is important to use larger screws in metal roof repair to make sure the seal is tight. 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. Choose the best sort of fasteners and sealing washers for metal roof repair. The first thing is that the rubber washer under the washer housing tears and in turn will allow water to seep under the.
Bck out a few screws and see if the wood shows signs of dampness yet. Metal roofs expand and contract a fair amount. Check all parts of the roof by removing the ridge cap installing anchors replacing the ridge cap and then checking the screws. Inspect the threads on.
To avoid the maintenance hassle i chose to go with a clip style standing seam roof. 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. 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. As a metal roof heats up the entire roof expands.
How to tighten metal screws step 1. Inspect the roof to see which screws need tightening and which ones need replacing. It s important to use screws approved by the roof manufacturer when redoing your metal roof screw placement. Remove the metal screw with either a flat head screwdriver or phillips head screwdriver depending upon the screw.
Absolute steel recommends using metal self tapping screws with thin washers that have been properly compressed to ensure a secure seal. Quite often the screws are over tightened or under tightened and when this happens it creates leak points. Likewise cold temperatures outside a home cause the roof to contract. That s why real metal roofs have expansion built into them.
The metal loosens the screws with all it s movement. These expansion and contraction cycles will cause strain on the screws that hold the roof material to the building causing those screws to loosen. 5 years is a good run without leaks. Tap the top of the screw hole with a hammer to flatten the outside edges.
Use the best practices of installing screws to create a tight seal without using excessive pressure. The holes around the screws elongate to accomadate the movement. Use the manufacturer s recommended screw gun to tighten the seal and make sure you create a tight seal but without using excessive pressure. The main cause of a leaking roof on a diy metal roofing installation is incorrectly fastening the screws.
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. Often a metal screw works loose. Not as bad as vinyl siding but enough to work the screws over time.