Tightening Screws Metal Roof

The holes around the screws elongate to accomadate the movement.

Tightening screws metal roof.

Likewise cold temperatures outside a home cause the roof to contract. Inspect the threads on. 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. That s why real metal roofs have expansion built into them.

How to tighten metal screws step 1. There are many things that happen when a metal roofing screw is over tightened. Sometimes it is important to use larger screws in metal roof repair to make sure the seal is tight. Quite often the screws are over tightened or under tightened and when this happens it creates leak points.

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. 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. Remove the metal screw with either a flat head screwdriver or phillips head screwdriver depending upon the screw. Bck out a few screws and see if the wood shows signs of dampness yet.

Metal roofs expand and contract a fair amount. 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. Another thing that happens to the rubber washer if it doesn t tear is that it gets pushed out.

As a metal roof heats up the entire roof expands. Inspect the roof to see which screws need tightening and which ones need replacing. 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.

Often a metal screw works loose. It s important to use screws approved by the roof manufacturer when redoing your metal roof screw placement. Not as bad as vinyl siding but enough to work the screws over time. Use the manufacturer s recommended screw gun to tighten the seal and make sure you create a tight seal but without using excessive pressure.

Check all parts of the roof by removing the ridge cap installing anchors replacing the ridge cap and then checking the screws. Absolute steel recommends using metal self tapping screws with thin washers that have been properly compressed to ensure a secure seal. 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.

To avoid the maintenance hassle i chose to go with a clip style standing seam roof. The first thing is that the rubber washer under the washer housing tears and in turn will allow water to seep under the. Choose the best sort of fasteners and sealing washers for metal roof repair.