How to install the purlins on photovoltaic panels

What makes a good solar PV installation?

Making sure that the way your system is connected to your roof is (in our eyes) the most important aspect of any solar pv installation.

How do you install a solar PV system on a roof?

Roof anchors have staggered fixing so work must be done (widen or fit noggins) before installing PV onto such narrow timbers. On-roof is the most common type of way when retro-fitting a solar pv system to your home, and there are many different manufactures of mounting systems but thankfully the correct way of installing them is the same.

How are solar panels mounted on concrete roofs?

Solar panels are mounted on concrete rooftops using RCC roof mounting devices. The distance between the solar array and the solar inverter is shortened by roof-mounted racks. A ground mount involves mounting solar panels to a rack structure joined to the ground steel beams or another metal post.

Does a purlin rafter need anchors?

This type of roof does not require anchors to be fitted on every rafter because the purlin, lying horizontally, spreads the load across the roof. Installers can fit onto every other rafter but should always have the mounting rail ends anchored on the final two or three rafters.

Where can a solar panel be tested?

Centres such as the Cyclone Testing Station at James Cook University conduct LHL testing, and a range of Australian and international testing centres and firms can certify mounting products. Crystalline solar PV panels produce the most power when they are pointed directly at the sun.

How do solar PV brackets work?

The brackets form a simple, fast framing system for steel-framed roofs; solar PV modules are mounted in landscape format at either 5° or 15° above the roof sheet, using brackets on a SunLock channel. The channel forms a conduit for cabling. The brackets are backed by a 10-year warranty.