Roof Fastening Type

This installation error caused the panel edge to lift slightly which created a slight shadow on the roof when the sun was at a certain angle.

Roof fastening type.

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. The epoxy coatings have replaced the old fluorocarbon coatings. The panels are commonly used horizontally in the architectural community and vertically in the commercial and agricultural industries. Mbci offers 11 different exposed fastener metal roofing panel profiles most of which can also be used in wall applications.

The main cause of a leaking roof on a diy metal roofing installation is incorrectly fastening the screws. N fastener spacing and size requirements for coastal construction are typically different than for non coastal areas. Roof fastener guidelines yes correct flush with surface no underdriven no overdriven type of certi label nail type and shake or shingle minimum length certi split certi sawn shakes type in 18 straight split 5d box 1 3 4 18 and 24 handsplit and resawn 6d box 2 24 tapersplit 5d box 1 3 4. This is a two piece fastener in which the tube is first driven followed by a nail.

N improved fasteners such as ring shank nails increase the uplift resistance of the roof sheathing. Roof fastener clear all. Exposed fastening roof panels. Quite often the screws are over tightened or under tightened and when this happens it creates leak points.

First of all the new roof design would undoubtedly require roof insulation. N the highest uplift forces occur at roof corners edges and ridge lines. Stainless steel fasteners are available for specialty applications in highly corrosive conditions. Neither the cut nail nor conical fastener would be long enough to reach through insulation board into the gypsum decking.

Typically this phenomenon is mistaken as an edge swell issue and is seldom identified or diagnosed as an installation problem. A tube loc nail would be one choice figure 1. For securing roofing materials to certain light gauge steel o s b and aluminum roof decks. Fabral can supply either screws or nails for fastening into dimension lumber.

Fabral provides additional metal roofing fastening advice for exposed fastener type roofs that generally agree with steve bliss s original material in the article above and which we excerpt here. Metal roofing accessories roofing accessories tool type.